diff options
Diffstat (limited to 'src/script')
52 files changed, 10655 insertions, 0 deletions
diff --git a/src/script/CMakeLists.txt b/src/script/CMakeLists.txt new file mode 100644 index 000000000..e1a03b95a --- /dev/null +++ b/src/script/CMakeLists.txt @@ -0,0 +1,9 @@ +add_subdirectory(common) +add_subdirectory(cpp_api) +add_subdirectory(lua_api) + +set(SCRIPT_SRCS + ${SCRIPT_COMMON_SRCS} + ${SCRIPT_CPP_API_SRCS} + ${SCRIPT_LUA_API_SRCS} + PARENT_SCOPE) diff --git a/src/script/common/CMakeLists.txt b/src/script/common/CMakeLists.txt new file mode 100644 index 000000000..c8f7ef783 --- /dev/null +++ b/src/script/common/CMakeLists.txt @@ -0,0 +1,6 @@ +set(SCRIPT_COMMON_SRCS + ${CMAKE_CURRENT_SOURCE_DIR}/c_content.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/c_converter.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/c_types.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/c_internal.cpp + PARENT_SCOPE) diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp new file mode 100644 index 000000000..c7966a0be --- /dev/null +++ b/src/script/common/c_content.cpp @@ -0,0 +1,923 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include "common/c_content.h" +#include "common/c_converter.h" +#include "common/c_types.h" +#include "nodedef.h" +#include "itemdef.h" +#include "object_properties.h" +#include "cpp_api/s_node.h" +#include "lua_api/l_object.h" +#include "lua_api/l_item.h" +#include "common/c_internal.h" +#include "server.h" +#include "log.h" +#include "tool.h" +#include "server.h" + +struct EnumString es_TileAnimationType[] = +{ + {TAT_NONE, "none"}, + {TAT_VERTICAL_FRAMES, "vertical_frames"}, + {0, NULL}, +}; + +/******************************************************************************/ +ItemDefinition read_item_definition(lua_State* L,int index, + ItemDefinition default_def) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + // Read the item definition + ItemDefinition def = default_def; + + def.type = (ItemType)getenumfield(L, index, "type", + es_ItemType, ITEM_NONE); + getstringfield(L, index, "name", def.name); + getstringfield(L, index, "description", def.description); + getstringfield(L, index, "inventory_image", def.inventory_image); + getstringfield(L, index, "wield_image", def.wield_image); + + lua_getfield(L, index, "wield_scale"); + if(lua_istable(L, -1)){ + def.wield_scale = check_v3f(L, -1); + } + lua_pop(L, 1); + + def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max); + if(def.stack_max == 0) + def.stack_max = 1; + + lua_getfield(L, index, "on_use"); + def.usable = lua_isfunction(L, -1); + lua_pop(L, 1); + + getboolfield(L, index, "liquids_pointable", def.liquids_pointable); + + warn_if_field_exists(L, index, "tool_digging_properties", + "deprecated: use tool_capabilities"); + + lua_getfield(L, index, "tool_capabilities"); + if(lua_istable(L, -1)){ + def.tool_capabilities = new ToolCapabilities( + read_tool_capabilities(L, -1)); + } + + // If name is "" (hand), ensure there are ToolCapabilities + // because it will be looked up there whenever any other item has + // no ToolCapabilities + if(def.name == "" && def.tool_capabilities == NULL){ + def.tool_capabilities = new ToolCapabilities(); + } + + lua_getfield(L, index, "groups"); + read_groups(L, -1, def.groups); + lua_pop(L, 1); + + lua_getfield(L, index, "sounds"); + if(lua_istable(L, -1)){ + lua_getfield(L, -1, "place"); + read_soundspec(L, -1, def.sound_place); + lua_pop(L, 1); + } + lua_pop(L, 1); + + // Client shall immediately place this node when player places the item. + // Server will update the precise end result a moment later. + // "" = no prediction + getstringfield(L, index, "node_placement_prediction", + def.node_placement_prediction); + + return def; +} + +/******************************************************************************/ +void read_object_properties(lua_State *L, int index, + ObjectProperties *prop) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + if(!lua_istable(L, index)) + return; + + prop->hp_max = getintfield_default(L, -1, "hp_max", 10); + + getboolfield(L, -1, "physical", prop->physical); + + getfloatfield(L, -1, "weight", prop->weight); + + lua_getfield(L, -1, "collisionbox"); + if(lua_istable(L, -1)) + prop->collisionbox = read_aabb3f(L, -1, 1.0); + lua_pop(L, 1); + + getstringfield(L, -1, "visual", prop->visual); + + getstringfield(L, -1, "mesh", prop->mesh); + + lua_getfield(L, -1, "visual_size"); + if(lua_istable(L, -1)) + prop->visual_size = read_v2f(L, -1); + lua_pop(L, 1); + + lua_getfield(L, -1, "textures"); + if(lua_istable(L, -1)){ + prop->textures.clear(); + int table = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + if(lua_isstring(L, -1)) + prop->textures.push_back(lua_tostring(L, -1)); + else + prop->textures.push_back(""); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); + + lua_getfield(L, -1, "colors"); + if(lua_istable(L, -1)){ + prop->colors.clear(); + int table = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + if(lua_isstring(L, -1)) + prop->colors.push_back(readARGB8(L, -1)); + else + prop->colors.push_back(video::SColor(255, 255, 255, 255)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); + + lua_getfield(L, -1, "spritediv"); + if(lua_istable(L, -1)) + prop->spritediv = read_v2s16(L, -1); + lua_pop(L, 1); + + lua_getfield(L, -1, "initial_sprite_basepos"); + if(lua_istable(L, -1)) + prop->initial_sprite_basepos = read_v2s16(L, -1); + lua_pop(L, 1); + + getboolfield(L, -1, "is_visible", prop->is_visible); + getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound); + getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate); +} + +/******************************************************************************/ +TileDef read_tiledef(lua_State *L, int index) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + TileDef tiledef; + + // key at index -2 and value at index + if(lua_isstring(L, index)){ + // "default_lava.png" + tiledef.name = lua_tostring(L, index); + } + else if(lua_istable(L, index)) + { + // {name="default_lava.png", animation={}} + tiledef.name = ""; + getstringfield(L, index, "name", tiledef.name); + getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat. + tiledef.backface_culling = getboolfield_default( + L, index, "backface_culling", true); + // animation = {} + lua_getfield(L, index, "animation"); + if(lua_istable(L, -1)){ + // {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0} + tiledef.animation.type = (TileAnimationType) + getenumfield(L, -1, "type", es_TileAnimationType, + TAT_NONE); + tiledef.animation.aspect_w = + getintfield_default(L, -1, "aspect_w", 16); + tiledef.animation.aspect_h = + getintfield_default(L, -1, "aspect_h", 16); + tiledef.animation.length = + getfloatfield_default(L, -1, "length", 1.0); + } + lua_pop(L, 1); + } + + return tiledef; +} + +/******************************************************************************/ +ContentFeatures read_content_features(lua_State *L, int index) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + ContentFeatures f; + + /* Cache existence of some callbacks */ + lua_getfield(L, index, "on_construct"); + if(!lua_isnil(L, -1)) f.has_on_construct = true; + lua_pop(L, 1); + lua_getfield(L, index, "on_destruct"); + if(!lua_isnil(L, -1)) f.has_on_destruct = true; + lua_pop(L, 1); + lua_getfield(L, index, "after_destruct"); + if(!lua_isnil(L, -1)) f.has_after_destruct = true; + lua_pop(L, 1); + + lua_getfield(L, index, "on_rightclick"); + f.rightclickable = lua_isfunction(L, -1); + lua_pop(L, 1); + + /* Name */ + getstringfield(L, index, "name", f.name); + + /* Groups */ + lua_getfield(L, index, "groups"); + read_groups(L, -1, f.groups); + lua_pop(L, 1); + + /* Visual definition */ + + f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype", + ScriptApiNode::es_DrawType,NDT_NORMAL); + getfloatfield(L, index, "visual_scale", f.visual_scale); + + // tiles = {} + lua_getfield(L, index, "tiles"); + // If nil, try the deprecated name "tile_images" instead + if(lua_isnil(L, -1)){ + lua_pop(L, 1); + warn_if_field_exists(L, index, "tile_images", + "Deprecated; new name is \"tiles\"."); + lua_getfield(L, index, "tile_images"); + } + if(lua_istable(L, -1)){ + int table = lua_gettop(L); + lua_pushnil(L); + int i = 0; + while(lua_next(L, table) != 0){ + // Read tiledef from value + f.tiledef[i] = read_tiledef(L, -1); + // removes value, keeps key for next iteration + lua_pop(L, 1); + i++; + if(i==6){ + lua_pop(L, 1); + break; + } + } + // Copy last value to all remaining textures + if(i >= 1){ + TileDef lasttile = f.tiledef[i-1]; + while(i < 6){ + f.tiledef[i] = lasttile; + i++; + } + } + } + lua_pop(L, 1); + + // special_tiles = {} + lua_getfield(L, index, "special_tiles"); + // If nil, try the deprecated name "special_materials" instead + if(lua_isnil(L, -1)){ + lua_pop(L, 1); + warn_if_field_exists(L, index, "special_materials", + "Deprecated; new name is \"special_tiles\"."); + lua_getfield(L, index, "special_materials"); + } + if(lua_istable(L, -1)){ + int table = lua_gettop(L); + lua_pushnil(L); + int i = 0; + while(lua_next(L, table) != 0){ + // Read tiledef from value + f.tiledef_special[i] = read_tiledef(L, -1); + // removes value, keeps key for next iteration + lua_pop(L, 1); + i++; + if(i==6){ + lua_pop(L, 1); + break; + } + } + } + lua_pop(L, 1); + + f.alpha = getintfield_default(L, index, "alpha", 255); + + bool usealpha = getboolfield_default(L, index, + "use_texture_alpha", false); + if (usealpha) + f.alpha = 0; + + /* Other stuff */ + + lua_getfield(L, index, "post_effect_color"); + if(!lua_isnil(L, -1)) + f.post_effect_color = readARGB8(L, -1); + lua_pop(L, 1); + + f.param_type = (ContentParamType)getenumfield(L, index, "paramtype", + ScriptApiNode::es_ContentParamType, CPT_NONE); + f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2", + ScriptApiNode::es_ContentParamType2, CPT2_NONE); + + // Warn about some deprecated fields + warn_if_field_exists(L, index, "wall_mounted", + "deprecated: use paramtype2 = 'wallmounted'"); + warn_if_field_exists(L, index, "light_propagates", + "deprecated: determined from paramtype"); + warn_if_field_exists(L, index, "dug_item", + "deprecated: use 'drop' field"); + warn_if_field_exists(L, index, "extra_dug_item", + "deprecated: use 'drop' field"); + warn_if_field_exists(L, index, "extra_dug_item_rarity", + "deprecated: use 'drop' field"); + warn_if_field_exists(L, index, "metadata_name", + "deprecated: use on_add and metadata callbacks"); + + // True for all ground-like things like stone and mud, false for eg. trees + getboolfield(L, index, "is_ground_content", f.is_ground_content); + f.light_propagates = (f.param_type == CPT_LIGHT); + getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates); + // This is used for collision detection. + // Also for general solidness queries. + getboolfield(L, index, "walkable", f.walkable); + // Player can point to these + getboolfield(L, index, "pointable", f.pointable); + // Player can dig these + getboolfield(L, index, "diggable", f.diggable); + // Player can climb these + getboolfield(L, index, "climbable", f.climbable); + // Player can build on these + getboolfield(L, index, "buildable_to", f.buildable_to); + // Whether the node is non-liquid, source liquid or flowing liquid + f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype", + ScriptApiNode::es_LiquidType, LIQUID_NONE); + // If the content is liquid, this is the flowing version of the liquid. + getstringfield(L, index, "liquid_alternative_flowing", + f.liquid_alternative_flowing); + // If the content is liquid, this is the source version of the liquid. + getstringfield(L, index, "liquid_alternative_source", + f.liquid_alternative_source); + // Viscosity for fluid flow, ranging from 1 to 7, with + // 1 giving almost instantaneous propagation and 7 being + // the slowest possible + f.liquid_viscosity = getintfield_default(L, index, + "liquid_viscosity", f.liquid_viscosity); + getboolfield(L, index, "liquid_renewable", f.liquid_renewable); + // Amount of light the node emits + f.light_source = getintfield_default(L, index, + "light_source", f.light_source); + f.damage_per_second = getintfield_default(L, index, + "damage_per_second", f.damage_per_second); + + lua_getfield(L, index, "node_box"); + if(lua_istable(L, -1)) + f.node_box = read_nodebox(L, -1); + lua_pop(L, 1); + + lua_getfield(L, index, "selection_box"); + if(lua_istable(L, -1)) + f.selection_box = read_nodebox(L, -1); + lua_pop(L, 1); + + // Set to true if paramtype used to be 'facedir_simple' + getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple); + // Set to true if wall_mounted used to be set to true + getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted); + + // Sound table + lua_getfield(L, index, "sounds"); + if(lua_istable(L, -1)){ + lua_getfield(L, -1, "footstep"); + read_soundspec(L, -1, f.sound_footstep); + lua_pop(L, 1); + lua_getfield(L, -1, "dig"); + read_soundspec(L, -1, f.sound_dig); + lua_pop(L, 1); + lua_getfield(L, -1, "dug"); + read_soundspec(L, -1, f.sound_dug); + lua_pop(L, 1); + } + lua_pop(L, 1); + + return f; +} + +/******************************************************************************/ +void read_server_sound_params(lua_State *L, int index, + ServerSoundParams ¶ms) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + // Clear + params = ServerSoundParams(); + if(lua_istable(L, index)){ + getfloatfield(L, index, "gain", params.gain); + getstringfield(L, index, "to_player", params.to_player); + lua_getfield(L, index, "pos"); + if(!lua_isnil(L, -1)){ + v3f p = read_v3f(L, -1)*BS; + params.pos = p; + params.type = ServerSoundParams::SSP_POSITIONAL; + } + lua_pop(L, 1); + lua_getfield(L, index, "object"); + if(!lua_isnil(L, -1)){ + ObjectRef *ref = ObjectRef::checkobject(L, -1); + ServerActiveObject *sao = ObjectRef::getobject(ref); + if(sao){ + params.object = sao->getId(); + params.type = ServerSoundParams::SSP_OBJECT; + } + } + lua_pop(L, 1); + params.max_hear_distance = BS*getfloatfield_default(L, index, + "max_hear_distance", params.max_hear_distance/BS); + getboolfield(L, index, "loop", params.loop); + } +} + +/******************************************************************************/ +void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + if(lua_isnil(L, index)){ + } else if(lua_istable(L, index)){ + getstringfield(L, index, "name", spec.name); + getfloatfield(L, index, "gain", spec.gain); + } else if(lua_isstring(L, index)){ + spec.name = lua_tostring(L, index); + } +} + +/******************************************************************************/ +NodeBox read_nodebox(lua_State *L, int index) +{ + NodeBox nodebox; + if(lua_istable(L, -1)){ + nodebox.type = (NodeBoxType)getenumfield(L, index, "type", + ScriptApiNode::es_NodeBoxType, NODEBOX_REGULAR); + + lua_getfield(L, index, "fixed"); + if(lua_istable(L, -1)) + nodebox.fixed = read_aabb3f_vector(L, -1, BS); + lua_pop(L, 1); + + lua_getfield(L, index, "wall_top"); + if(lua_istable(L, -1)) + nodebox.wall_top = read_aabb3f(L, -1, BS); + lua_pop(L, 1); + + lua_getfield(L, index, "wall_bottom"); + if(lua_istable(L, -1)) + nodebox.wall_bottom = read_aabb3f(L, -1, BS); + lua_pop(L, 1); + + lua_getfield(L, index, "wall_side"); + if(lua_istable(L, -1)) + nodebox.wall_side = read_aabb3f(L, -1, BS); + lua_pop(L, 1); + } + return nodebox; +} + +/******************************************************************************/ +MapNode readnode(lua_State *L, int index, INodeDefManager *ndef) +{ + lua_getfield(L, index, "name"); + const char *name = luaL_checkstring(L, -1); + lua_pop(L, 1); + u8 param1; + lua_getfield(L, index, "param1"); + if(lua_isnil(L, -1)) + param1 = 0; + else + param1 = lua_tonumber(L, -1); + lua_pop(L, 1); + u8 param2; + lua_getfield(L, index, "param2"); + if(lua_isnil(L, -1)) + param2 = 0; + else + param2 = lua_tonumber(L, -1); + lua_pop(L, 1); + return MapNode(ndef, name, param1, param2); +} + +/******************************************************************************/ +void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef) +{ + lua_newtable(L); + lua_pushstring(L, ndef->get(n).name.c_str()); + lua_setfield(L, -2, "name"); + lua_pushnumber(L, n.getParam1()); + lua_setfield(L, -2, "param1"); + lua_pushnumber(L, n.getParam2()); + lua_setfield(L, -2, "param2"); +} + +/******************************************************************************/ +void warn_if_field_exists(lua_State *L, int table, + const char *fieldname, const std::string &message) +{ + lua_getfield(L, table, fieldname); + if(!lua_isnil(L, -1)){ +//TODO find way to access backtrace fct from here + // infostream<<script_get_backtrace(L)<<std::endl; + infostream<<"WARNING: field \""<<fieldname<<"\": " + <<message<<std::endl; + } + lua_pop(L, 1); +} + +/******************************************************************************/ +int getenumfield(lua_State *L, int table, + const char *fieldname, const EnumString *spec, int default_) +{ + int result = default_; + string_to_enum(spec, result, + getstringfield_default(L, table, fieldname, "")); + return result; +} + +/******************************************************************************/ +bool string_to_enum(const EnumString *spec, int &result, + const std::string &str) +{ + const EnumString *esp = spec; + while(esp->str){ + if(str == std::string(esp->str)){ + result = esp->num; + return true; + } + esp++; + } + return false; +} + +/******************************************************************************/ +ItemStack read_item(lua_State* L, int index,Server* srv) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + if(lua_isnil(L, index)) + { + return ItemStack(); + } + else if(lua_isuserdata(L, index)) + { + // Convert from LuaItemStack + LuaItemStack *o = LuaItemStack::checkobject(L, index); + return o->getItem(); + } + else if(lua_isstring(L, index)) + { + // Convert from itemstring + std::string itemstring = lua_tostring(L, index); + IItemDefManager *idef = srv->idef(); + try + { + ItemStack item; + item.deSerialize(itemstring, idef); + return item; + } + catch(SerializationError &e) + { + infostream<<"WARNING: unable to create item from itemstring" + <<": "<<itemstring<<std::endl; + return ItemStack(); + } + } + else if(lua_istable(L, index)) + { + // Convert from table + IItemDefManager *idef = srv->idef(); + std::string name = getstringfield_default(L, index, "name", ""); + int count = getintfield_default(L, index, "count", 1); + int wear = getintfield_default(L, index, "wear", 0); + std::string metadata = getstringfield_default(L, index, "metadata", ""); + return ItemStack(name, count, wear, metadata, idef); + } + else + { + throw LuaError(L, "Expecting itemstack, itemstring, table or nil"); + } +} + +/******************************************************************************/ +void push_tool_capabilities(lua_State *L, + const ToolCapabilities &toolcap) +{ + lua_newtable(L); + setfloatfield(L, -1, "full_punch_interval", toolcap.full_punch_interval); + setintfield(L, -1, "max_drop_level", toolcap.max_drop_level); + // Create groupcaps table + lua_newtable(L); + // For each groupcap + for(std::map<std::string, ToolGroupCap>::const_iterator + i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){ + // Create groupcap table + lua_newtable(L); + const std::string &name = i->first; + const ToolGroupCap &groupcap = i->second; + // Create subtable "times" + lua_newtable(L); + for(std::map<int, float>::const_iterator + i = groupcap.times.begin(); i != groupcap.times.end(); i++){ + int rating = i->first; + float time = i->second; + lua_pushinteger(L, rating); + lua_pushnumber(L, time); + lua_settable(L, -3); + } + // Set subtable "times" + lua_setfield(L, -2, "times"); + // Set simple parameters + setintfield(L, -1, "maxlevel", groupcap.maxlevel); + setintfield(L, -1, "uses", groupcap.uses); + // Insert groupcap table into groupcaps table + lua_setfield(L, -2, name.c_str()); + } + // Set groupcaps table + lua_setfield(L, -2, "groupcaps"); + //Create damage_groups table + lua_newtable(L); + // For each damage group + for(std::map<std::string, s16>::const_iterator + i = toolcap.damageGroups.begin(); i != toolcap.damageGroups.end(); i++){ + // Create damage group table + lua_pushinteger(L, i->second); + lua_setfield(L, -2, i->first.c_str()); + } + lua_setfield(L, -2, "damage_groups"); +} + +/******************************************************************************/ +void push_inventory_list(Inventory *inv, const char *name, + lua_State *L) +{ + InventoryList *invlist = inv->getList(name); + if(invlist == NULL){ + lua_pushnil(L); + return; + } + std::vector<ItemStack> items; + for(u32 i=0; i<invlist->getSize(); i++) + items.push_back(invlist->getItem(i)); + push_items(L, items); +} + +/******************************************************************************/ +void read_inventory_list(Inventory *inv, const char *name, + lua_State *L, int tableindex, Server* srv,int forcesize) +{ + if(tableindex < 0) + tableindex = lua_gettop(L) + 1 + tableindex; + // If nil, delete list + if(lua_isnil(L, tableindex)){ + inv->deleteList(name); + return; + } + // Otherwise set list + std::vector<ItemStack> items = read_items(L, tableindex,srv); + int listsize = (forcesize != -1) ? forcesize : items.size(); + InventoryList *invlist = inv->addList(name, listsize); + int index = 0; + for(std::vector<ItemStack>::const_iterator + i = items.begin(); i != items.end(); i++){ + if(forcesize != -1 && index == forcesize) + break; + invlist->changeItem(index, *i); + index++; + } + while(forcesize != -1 && index < forcesize){ + invlist->deleteItem(index); + index++; + } +} + +/******************************************************************************/ +ToolCapabilities read_tool_capabilities( + lua_State *L, int table) +{ + ToolCapabilities toolcap; + getfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval); + getintfield(L, table, "max_drop_level", toolcap.max_drop_level); + lua_getfield(L, table, "groupcaps"); + if(lua_istable(L, -1)){ + int table_groupcaps = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table_groupcaps) != 0){ + // key at index -2 and value at index -1 + std::string groupname = luaL_checkstring(L, -2); + if(lua_istable(L, -1)){ + int table_groupcap = lua_gettop(L); + // This will be created + ToolGroupCap groupcap; + // Read simple parameters + getintfield(L, table_groupcap, "maxlevel", groupcap.maxlevel); + getintfield(L, table_groupcap, "uses", groupcap.uses); + // DEPRECATED: maxwear + float maxwear = 0; + if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){ + if(maxwear != 0) + groupcap.uses = 1.0/maxwear; + else + groupcap.uses = 0; + infostream<<script_get_backtrace(L)<<std::endl; + infostream<<"WARNING: field \"maxwear\" is deprecated; " + <<"should replace with uses=1/maxwear"<<std::endl; + } + // Read "times" table + lua_getfield(L, table_groupcap, "times"); + if(lua_istable(L, -1)){ + int table_times = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table_times) != 0){ + // key at index -2 and value at index -1 + int rating = luaL_checkinteger(L, -2); + float time = luaL_checknumber(L, -1); + groupcap.times[rating] = time; + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); + // Insert groupcap into toolcap + toolcap.groupcaps[groupname] = groupcap; + } + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); + + lua_getfield(L, table, "damage_groups"); + if(lua_istable(L, -1)){ + int table_damage_groups = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table_damage_groups) != 0){ + // key at index -2 and value at index -1 + std::string groupname = luaL_checkstring(L, -2); + u16 value = luaL_checkinteger(L, -1); + toolcap.damageGroups[groupname] = value; + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); + return toolcap; +} + +/******************************************************************************/ +void push_dig_params(lua_State *L,const DigParams ¶ms) +{ + lua_newtable(L); + setboolfield(L, -1, "diggable", params.diggable); + setfloatfield(L, -1, "time", params.time); + setintfield(L, -1, "wear", params.wear); +} + +/******************************************************************************/ +void push_hit_params(lua_State *L,const HitParams ¶ms) +{ + lua_newtable(L); + setintfield(L, -1, "hp", params.hp); + setintfield(L, -1, "wear", params.wear); +} + +/******************************************************************************/ +u32 getflagsfield(lua_State *L, int table, + const char *fieldname, FlagDesc *flagdesc) { + std::string flagstring; + + flagstring = getstringfield_default(L, table, fieldname, ""); + return readFlagString(flagstring, flagdesc); +} + +/******************************************************************************/ +/* Lua Stored data! */ +/******************************************************************************/ + +/******************************************************************************/ +void read_groups(lua_State *L, int index, + std::map<std::string, int> &result) +{ + if (!lua_istable(L,index)) + return; + result.clear(); + lua_pushnil(L); + if(index < 0) + index -= 1; + while(lua_next(L, index) != 0){ + // key at index -2 and value at index -1 + std::string name = luaL_checkstring(L, -2); + int rating = luaL_checkinteger(L, -1); + result[name] = rating; + // removes value, keeps key for next iteration + lua_pop(L, 1); + } +} + +/******************************************************************************/ +void push_items(lua_State *L, const std::vector<ItemStack> &items) +{ + // Get the table insert function + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int table_insert = lua_gettop(L); + // Create and fill table + lua_newtable(L); + int table = lua_gettop(L); + for(u32 i=0; i<items.size(); i++){ + ItemStack item = items[i]; + lua_pushvalue(L, table_insert); + lua_pushvalue(L, table); + LuaItemStack::create(L, item); + if(lua_pcall(L, 2, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + } + lua_remove(L, -2); // Remove table + lua_remove(L, -2); // Remove insert +} + +/******************************************************************************/ +std::vector<ItemStack> read_items(lua_State *L, int index,Server* srv) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + std::vector<ItemStack> items; + luaL_checktype(L, index, LUA_TTABLE); + lua_pushnil(L); + while(lua_next(L, index) != 0){ + // key at index -2 and value at index -1 + items.push_back(read_item(L, -1, srv)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + return items; +} + +/******************************************************************************/ +void luaentity_get(lua_State *L, u16 id) +{ + // Get minetest.luaentities[i] + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "luaentities"); + luaL_checktype(L, -1, LUA_TTABLE); + lua_pushnumber(L, id); + lua_gettable(L, -2); + lua_remove(L, -2); // luaentities + lua_remove(L, -2); // minetest +} + +/******************************************************************************/ +NoiseParams *read_noiseparams(lua_State *L, int index) +{ + if (index < 0) + index = lua_gettop(L) + 1 + index; + + if (!lua_istable(L, index)) + return NULL; + + NoiseParams *np = new NoiseParams; + + np->offset = getfloatfield_default(L, index, "offset", 0.0); + np->scale = getfloatfield_default(L, index, "scale", 0.0); + lua_getfield(L, index, "spread"); + np->spread = read_v3f(L, -1); + lua_pop(L, 1); + np->seed = getintfield_default(L, index, "seed", 0); + np->octaves = getintfield_default(L, index, "octaves", 0); + np->persist = getfloatfield_default(L, index, "persist", 0.0); + + return np; +} diff --git a/src/script/common/c_content.h b/src/script/common/c_content.h new file mode 100644 index 000000000..251a72e27 --- /dev/null +++ b/src/script/common/c_content.h @@ -0,0 +1,146 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + + +/******************************************************************************/ +/******************************************************************************/ +/* WARNING!!!! do NOT add this header in any include file or any code file */ +/* not being a script/modapi file!!!!!!!! */ +/******************************************************************************/ +/******************************************************************************/ + +#ifndef C_CONTENT_H_ +#define C_CONTENT_H_ + +extern "C" { +#include <lua.h> +} + +#include <iostream> +#include <map> +#include <vector> + +#include "irrlichttypes_bloated.h" +#include "util/string.h" + +class MapNode; +class INodeDefManager; +class PointedThing; +class ItemStack; +class ItemDefinition; +class ToolCapabilities; +class ObjectProperties; +class SimpleSoundSpec; +class ServerSoundParams; +class Inventory; +class NodeBox; +class ContentFeatures; +class TileDef; +class Server; +struct DigParams; +struct HitParams; +struct EnumString; +struct NoiseParams; + + +ContentFeatures read_content_features (lua_State *L, int index); +TileDef read_tiledef (lua_State *L, int index); +void read_soundspec (lua_State *L, int index, + SimpleSoundSpec &spec); +NodeBox read_nodebox (lua_State *L, int index); + +void read_server_sound_params (lua_State *L, int index, + ServerSoundParams ¶ms); + +void push_dig_params (lua_State *L,const DigParams ¶ms); +void push_hit_params (lua_State *L,const HitParams ¶ms); + +ItemStack read_item (lua_State *L, int index, Server* srv); + + +ToolCapabilities read_tool_capabilities (lua_State *L, + int table); +void push_tool_capabilities (lua_State *L, + const ToolCapabilities &prop); + +ItemDefinition read_item_definition (lua_State *L, + int index, + ItemDefinition default_def); +void read_object_properties (lua_State *L, + int index, + ObjectProperties *prop); + +//TODO fix parameter oreder! +void push_inventory_list (Inventory *inv, + const char *name, + lua_State *L); +void read_inventory_list (Inventory *inv, + const char *name, + lua_State *L, + int tableindex, + Server* srv, + int forcesize=-1); + +MapNode readnode (lua_State *L, + int index, + INodeDefManager *ndef); +void pushnode (lua_State *L, + const MapNode &n, + INodeDefManager *ndef); + +NodeBox read_nodebox (lua_State *L, int index); + +void read_groups (lua_State *L, + int index, + std::map<std::string, int> &result); + +//TODO rename to "read_enum_field" +int getenumfield (lua_State *L, + int table, + const char *fieldname, + const EnumString *spec, + int default_); + +u32 getflagsfield (lua_State *L, int table, + const char *fieldname, + FlagDesc *flagdesc); + +void push_items (lua_State *L, + const std::vector<ItemStack> &items); + +std::vector<ItemStack> read_items (lua_State *L, + int index, + Server* srv); + +void read_soundspec (lua_State *L, + int index, + SimpleSoundSpec &spec); + + +bool string_to_enum (const EnumString *spec, + int &result, + const std::string &str); + +NoiseParams* read_noiseparams (lua_State *L, int index); + +void luaentity_get (lua_State *L,u16 id); + +extern struct EnumString es_TileAnimationType[]; + +#endif /* C_CONTENT_H_ */ diff --git a/src/script/common/c_converter.cpp b/src/script/common/c_converter.cpp new file mode 100644 index 000000000..65c3654ae --- /dev/null +++ b/src/script/common/c_converter.cpp @@ -0,0 +1,343 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +extern "C" { +#include "lua.h" +#include "lauxlib.h" +} + +#include "util/numeric.h" +#include "common/c_converter.h" +#include "constants.h" + +void push_v3f(lua_State *L, v3f p) +{ + lua_newtable(L); + lua_pushnumber(L, p.X); + lua_setfield(L, -2, "x"); + lua_pushnumber(L, p.Y); + lua_setfield(L, -2, "y"); + lua_pushnumber(L, p.Z); + lua_setfield(L, -2, "z"); +} + +void push_v2f(lua_State *L, v2f p) +{ + lua_newtable(L); + lua_pushnumber(L, p.X); + lua_setfield(L, -2, "x"); + lua_pushnumber(L, p.Y); + lua_setfield(L, -2, "y"); +} + +v2s16 read_v2s16(lua_State *L, int index) +{ + v2s16 p; + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "x"); + p.X = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "y"); + p.Y = lua_tonumber(L, -1); + lua_pop(L, 1); + return p; +} + +v2f read_v2f(lua_State *L, int index) +{ + v2f p; + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "x"); + p.X = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "y"); + p.Y = lua_tonumber(L, -1); + lua_pop(L, 1); + return p; +} + +v3f read_v3f(lua_State *L, int index) +{ + v3f pos; + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "x"); + pos.X = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "y"); + pos.Y = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "z"); + pos.Z = lua_tonumber(L, -1); + lua_pop(L, 1); + return pos; +} + +v3f check_v3f(lua_State *L, int index) +{ + v3f pos; + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "x"); + pos.X = luaL_checknumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "y"); + pos.Y = luaL_checknumber(L, -1); + lua_pop(L, 1); + lua_getfield(L, index, "z"); + pos.Z = luaL_checknumber(L, -1); + lua_pop(L, 1); + return pos; +} + +void pushFloatPos(lua_State *L, v3f p) +{ + p /= BS; + push_v3f(L, p); +} + +v3f checkFloatPos(lua_State *L, int index) +{ + return check_v3f(L, index) * BS; +} + +void push_v3s16(lua_State *L, v3s16 p) +{ + lua_newtable(L); + lua_pushnumber(L, p.X); + lua_setfield(L, -2, "x"); + lua_pushnumber(L, p.Y); + lua_setfield(L, -2, "y"); + lua_pushnumber(L, p.Z); + lua_setfield(L, -2, "z"); +} + +v3s16 read_v3s16(lua_State *L, int index) +{ + // Correct rounding at <0 + v3f pf = read_v3f(L, index); + return floatToInt(pf, 1.0); +} + +v3s16 check_v3s16(lua_State *L, int index) +{ + // Correct rounding at <0 + v3f pf = check_v3f(L, index); + return floatToInt(pf, 1.0); +} + +video::SColor readARGB8(lua_State *L, int index) +{ + video::SColor color(0); + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "a"); + if(lua_isnumber(L, -1)) + color.setAlpha(lua_tonumber(L, -1)); + lua_pop(L, 1); + lua_getfield(L, index, "r"); + color.setRed(lua_tonumber(L, -1)); + lua_pop(L, 1); + lua_getfield(L, index, "g"); + color.setGreen(lua_tonumber(L, -1)); + lua_pop(L, 1); + lua_getfield(L, index, "b"); + color.setBlue(lua_tonumber(L, -1)); + lua_pop(L, 1); + return color; +} + +aabb3f read_aabb3f(lua_State *L, int index, f32 scale) +{ + aabb3f box; + if(lua_istable(L, index)){ + lua_rawgeti(L, index, 1); + box.MinEdge.X = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + lua_rawgeti(L, index, 2); + box.MinEdge.Y = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + lua_rawgeti(L, index, 3); + box.MinEdge.Z = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + lua_rawgeti(L, index, 4); + box.MaxEdge.X = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + lua_rawgeti(L, index, 5); + box.MaxEdge.Y = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + lua_rawgeti(L, index, 6); + box.MaxEdge.Z = lua_tonumber(L, -1) * scale; + lua_pop(L, 1); + } + return box; +} + +std::vector<aabb3f> read_aabb3f_vector(lua_State *L, int index, f32 scale) +{ + std::vector<aabb3f> boxes; + if(lua_istable(L, index)){ + int n = lua_objlen(L, index); + // Check if it's a single box or a list of boxes + bool possibly_single_box = (n == 6); + for(int i = 1; i <= n && possibly_single_box; i++){ + lua_rawgeti(L, index, i); + if(!lua_isnumber(L, -1)) + possibly_single_box = false; + lua_pop(L, 1); + } + if(possibly_single_box){ + // Read a single box + boxes.push_back(read_aabb3f(L, index, scale)); + } else { + // Read a list of boxes + for(int i = 1; i <= n; i++){ + lua_rawgeti(L, index, i); + boxes.push_back(read_aabb3f(L, -1, scale)); + lua_pop(L, 1); + } + } + } + return boxes; +} + +/* + Table field getters +*/ + +bool getstringfield(lua_State *L, int table, + const char *fieldname, std::string &result) +{ + lua_getfield(L, table, fieldname); + bool got = false; + if(lua_isstring(L, -1)){ + size_t len = 0; + const char *ptr = lua_tolstring(L, -1, &len); + result.assign(ptr, len); + got = true; + } + lua_pop(L, 1); + return got; +} + +bool getintfield(lua_State *L, int table, + const char *fieldname, int &result) +{ + lua_getfield(L, table, fieldname); + bool got = false; + if(lua_isnumber(L, -1)){ + result = lua_tonumber(L, -1); + got = true; + } + lua_pop(L, 1); + return got; +} + +bool getfloatfield(lua_State *L, int table, + const char *fieldname, float &result) +{ + lua_getfield(L, table, fieldname); + bool got = false; + if(lua_isnumber(L, -1)){ + result = lua_tonumber(L, -1); + got = true; + } + lua_pop(L, 1); + return got; +} + +bool getboolfield(lua_State *L, int table, + const char *fieldname, bool &result) +{ + lua_getfield(L, table, fieldname); + bool got = false; + if(lua_isboolean(L, -1)){ + result = lua_toboolean(L, -1); + got = true; + } + lua_pop(L, 1); + return got; +} + +std::string checkstringfield(lua_State *L, int table, + const char *fieldname) +{ + lua_getfield(L, table, fieldname); + std::string s = luaL_checkstring(L, -1); + lua_pop(L, 1); + return s; +} + +std::string getstringfield_default(lua_State *L, int table, + const char *fieldname, const std::string &default_) +{ + std::string result = default_; + getstringfield(L, table, fieldname, result); + return result; +} + +int getintfield_default(lua_State *L, int table, + const char *fieldname, int default_) +{ + int result = default_; + getintfield(L, table, fieldname, result); + return result; +} + +float getfloatfield_default(lua_State *L, int table, + const char *fieldname, float default_) +{ + float result = default_; + getfloatfield(L, table, fieldname, result); + return result; +} + +bool getboolfield_default(lua_State *L, int table, + const char *fieldname, bool default_) +{ + bool result = default_; + getboolfield(L, table, fieldname, result); + return result; +} + +void setintfield(lua_State *L, int table, + const char *fieldname, int value) +{ + lua_pushinteger(L, value); + if(table < 0) + table -= 1; + lua_setfield(L, table, fieldname); +} + +void setfloatfield(lua_State *L, int table, + const char *fieldname, float value) +{ + lua_pushnumber(L, value); + if(table < 0) + table -= 1; + lua_setfield(L, table, fieldname); +} + +void setboolfield(lua_State *L, int table, + const char *fieldname, bool value) +{ + lua_pushboolean(L, value); + if(table < 0) + table -= 1; + lua_setfield(L, table, fieldname); +} + + diff --git a/src/script/common/c_converter.h b/src/script/common/c_converter.h new file mode 100644 index 000000000..ab0083124 --- /dev/null +++ b/src/script/common/c_converter.h @@ -0,0 +1,96 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + + +/******************************************************************************/ +/******************************************************************************/ +/* WARNING!!!! do NOT add this header in any include file or any code file */ +/* not being a script/modapi file!!!!!!!! */ +/******************************************************************************/ +/******************************************************************************/ +#ifndef C_CONVERTER_H_ +#define C_CONVERTER_H_ + +#include <vector> +#include <map> + +#include "irrlichttypes_bloated.h" +#include "common/c_types.h" + +extern "C" { +#include <lua.h> +} + +std::string getstringfield_default (lua_State *L, int table, + const char *fieldname, const std::string &default_); +bool getboolfield_default(lua_State *L, int table, + const char *fieldname, bool default_); +float getfloatfield_default(lua_State *L, int table, + const char *fieldname, float default_); +int getintfield_default (lua_State *L, int table, + const char *fieldname, int default_); + +bool getstringfield(lua_State *L, int table, + const char *fieldname, std::string &result); +bool getintfield(lua_State *L, int table, + const char *fieldname, int &result); +void read_groups (lua_State *L, int index, + std::map<std::string, int> &result); +bool getboolfield(lua_State *L, int table, + const char *fieldname, bool &result); +bool getfloatfield(lua_State *L, int table, + const char *fieldname, float &result); + +std::string checkstringfield(lua_State *L, int table, + const char *fieldname); + +void setintfield(lua_State *L, int table, + const char *fieldname, int value); +void setfloatfield(lua_State *L, int table, + const char *fieldname, float value); +void setboolfield(lua_State *L, int table, + const char *fieldname, bool value); + + +v3f checkFloatPos (lua_State *L, int index); +v3f check_v3f (lua_State *L, int index); +v3s16 check_v3s16 (lua_State *L, int index); + +v3f read_v3f (lua_State *L, int index); +v2f read_v2f (lua_State *L, int index); +v2s16 read_v2s16 (lua_State *L, int index); +video::SColor readARGB8 (lua_State *L, int index); +aabb3f read_aabb3f (lua_State *L, int index, f32 scale); +v3s16 read_v3s16 (lua_State *L, int index); +std::vector<aabb3f> + read_aabb3f_vector (lua_State *L, int index, f32 scale); + +void push_v3s16 (lua_State *L, v3s16 p); +void pushFloatPos (lua_State *L, v3f p); +void push_v3f (lua_State *L, v3f p); +void push_v2f (lua_State *L, v2f p); + + + +void warn_if_field_exists (lua_State *L, + int table, + const char *fieldname, + const std::string &message); + +#endif /* C_CONVERTER_H_ */ diff --git a/src/script/common/c_internal.cpp b/src/script/common/c_internal.cpp new file mode 100644 index 000000000..42e9fb3e1 --- /dev/null +++ b/src/script/common/c_internal.cpp @@ -0,0 +1,65 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "common/c_internal.h" +#include "server.h" +#include "cpp_api/scriptapi.h" + +ScriptApi* get_scriptapi(lua_State *L) +{ + // Get server from registry + lua_getfield(L, LUA_REGISTRYINDEX, "scriptapi"); + ScriptApi* sapi_ptr = (ScriptApi*) lua_touserdata(L, -1); + lua_pop(L, 1); + return sapi_ptr; +} + +std::string script_get_backtrace(lua_State *L) +{ + std::string s; + lua_getfield(L, LUA_GLOBALSINDEX, "debug"); + if(lua_istable(L, -1)){ + lua_getfield(L, -1, "traceback"); + if(lua_isfunction(L, -1)){ + lua_call(L, 0, 1); + if(lua_isstring(L, -1)){ + s += lua_tostring(L, -1); + } + lua_pop(L, 1); + } + else{ + lua_pop(L, 1); + } + } + lua_pop(L, 1); + return s; +} + +void script_error(lua_State* L,const char *fmt, ...) +{ + va_list argp; + va_start(argp, fmt); + char buf[10000]; + vsnprintf(buf, 10000, fmt, argp); + va_end(argp); + //errorstream<<"SCRIPT ERROR: "<<buf; + throw LuaError(L, buf); +} + + diff --git a/src/script/common/c_internal.h b/src/script/common/c_internal.h new file mode 100644 index 000000000..dafde5843 --- /dev/null +++ b/src/script/common/c_internal.h @@ -0,0 +1,60 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/******************************************************************************/ +/******************************************************************************/ +/* WARNING!!!! do NOT add this header in any include file or any code file */ +/* not being a modapi file!!!!!!!! */ +/******************************************************************************/ +/******************************************************************************/ + +#ifndef C_INTERNAL_H_ +#define C_INTERNAL_H_ + +class Server; +class ScriptApi; +#include <iostream> + +#include "lua_api/l_base.h" + +extern "C" { +#include "lua.h" +} + +#define luamethod(class, name) {#name, class::l_##name} +#define STACK_TO_SERVER(L) get_scriptapi(L)->getServer() +#define API_FCT(name) registerFunction(L,#name,l_##name,top) + +#define REGISTER_LUA_REF(cln) \ +class ModApi_##cln : public ModApiBase { \ + public: \ + ModApi_##cln() : ModApiBase() {}; \ + bool Initialize(lua_State* L, int top) { \ + cln::Register(L); \ + return true; \ + }; \ +}; \ +ModApi_##cln macro_generated_prototype__##cln; + + +ScriptApi* get_scriptapi (lua_State *L); +std::string script_get_backtrace (lua_State *L); +void script_error (lua_State *L, const char *fmt, ...); + +#endif /* C_INTERNAL_H_ */ diff --git a/src/script/common/c_types.cpp b/src/script/common/c_types.cpp new file mode 100644 index 000000000..ac724c42c --- /dev/null +++ b/src/script/common/c_types.cpp @@ -0,0 +1,40 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include <iostream> + +#include "common/c_types.h" +#include "common/c_internal.h" +#include "itemdef.h" + +LuaError::LuaError(lua_State *L, const std::string &s) +{ + m_s = "LuaError: "; + m_s += s + "\n"; + m_s += script_get_backtrace(L); +} + +struct EnumString es_ItemType[] = + { + {ITEM_NONE, "none"}, + {ITEM_NODE, "node"}, + {ITEM_CRAFT, "craft"}, + {ITEM_TOOL, "tool"}, + {0, NULL}, + }; diff --git a/src/script/common/c_types.h b/src/script/common/c_types.h new file mode 100644 index 000000000..7df869432 --- /dev/null +++ b/src/script/common/c_types.h @@ -0,0 +1,90 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef C_TYPES_H_ +#define C_TYPES_H_ + +extern "C" { +#include "lua.h" +} + +#include <iostream> + +struct EnumString +{ + int num; + const char *str; +}; + +class StackUnroller +{ +private: + lua_State *m_lua; + int m_original_top; +public: + StackUnroller(lua_State *L): + m_lua(L), + m_original_top(-1) + { + m_original_top = lua_gettop(m_lua); // store stack height + } + ~StackUnroller() + { + lua_settop(m_lua, m_original_top); // restore stack height + } +}; + +class ModNameStorer +{ +private: + lua_State *L; +public: + ModNameStorer(lua_State *L_, const std::string modname): + L(L_) + { + // Store current modname in registry + lua_pushstring(L, modname.c_str()); + lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname"); + } + ~ModNameStorer() + { + // Clear current modname in registry + lua_pushnil(L); + lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname"); + } +}; + +class LuaError : public std::exception +{ +public: + LuaError(lua_State *L, const std::string &s); + + virtual ~LuaError() throw() + {} + virtual const char * what() const throw() + { + return m_s.c_str(); + } + std::string m_s; +}; + + +extern EnumString es_ItemType[]; + +#endif /* C_TYPES_H_ */ diff --git a/src/script/cpp_api/CMakeLists.txt b/src/script/cpp_api/CMakeLists.txt new file mode 100644 index 000000000..6f5b51a49 --- /dev/null +++ b/src/script/cpp_api/CMakeLists.txt @@ -0,0 +1,11 @@ +set(SCRIPT_CPP_API_SRCS + ${CMAKE_CURRENT_SOURCE_DIR}/s_base.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_entity.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_env.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_inventory.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_item.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_node.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_nodemeta.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/s_player.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/scriptapi.cpp + PARENT_SCOPE) diff --git a/src/script/cpp_api/s_base.cpp b/src/script/cpp_api/s_base.cpp new file mode 100644 index 000000000..e2e586357 --- /dev/null +++ b/src/script/cpp_api/s_base.cpp @@ -0,0 +1,264 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include <stdio.h> +#include <cstdarg> + +extern "C" { +#include "lua.h" +#include "lauxlib.h" +} + +#include "cpp_api/s_base.h" +#include "lua_api/l_object.h" +#include "serverobject.h" + +ScriptApiBase::ScriptApiBase() : + m_luastackmutex(), +#ifdef LOCK_DEBUG + m_locked(false), +#endif + m_luastack(0), + m_server(0), + m_environment(0) +{ + +} + + +void ScriptApiBase::realityCheck() +{ + int top = lua_gettop(m_luastack); + if(top >= 30){ + dstream<<"Stack is over 30:"<<std::endl; + stackDump(dstream); + scriptError("Stack is over 30 (reality check)"); + } +} + +void ScriptApiBase::scriptError(const char *fmt, ...) +{ + va_list argp; + va_start(argp, fmt); + char buf[10000]; + vsnprintf(buf, 10000, fmt, argp); + va_end(argp); + //errorstream<<"SCRIPT ERROR: "<<buf; + throw LuaError(m_luastack, buf); +} + +void ScriptApiBase::stackDump(std::ostream &o) +{ + int i; + int top = lua_gettop(m_luastack); + for (i = 1; i <= top; i++) { /* repeat for each level */ + int t = lua_type(m_luastack, i); + switch (t) { + + case LUA_TSTRING: /* strings */ + o<<"\""<<lua_tostring(m_luastack, i)<<"\""; + break; + + case LUA_TBOOLEAN: /* booleans */ + o<<(lua_toboolean(m_luastack, i) ? "true" : "false"); + break; + + case LUA_TNUMBER: /* numbers */ { + char buf[10]; + snprintf(buf, 10, "%g", lua_tonumber(m_luastack, i)); + o<<buf; + break; } + + default: /* other values */ + o<<lua_typename(m_luastack, t); + break; + + } + o<<" "; + } + o<<std::endl; +} + +// Push the list of callbacks (a lua table). +// Then push nargs arguments. +// Then call this function, which +// - runs the callbacks +// - removes the table and arguments from the lua stack +// - pushes the return value, computed depending on mode +void ScriptApiBase::runCallbacks(int nargs,RunCallbacksMode mode) +{ + lua_State *L = getStack(); + + // Insert the return value into the lua stack, below the table + assert(lua_gettop(L) >= nargs + 1); + lua_pushnil(L); + lua_insert(L, -(nargs + 1) - 1); + // Stack now looks like this: + // ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n> + + int rv = lua_gettop(L) - nargs - 1; + int table = rv + 1; + int arg = table + 1; + + luaL_checktype(L, table, LUA_TTABLE); + + // Foreach + lua_pushnil(L); + bool first_loop = true; + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + luaL_checktype(L, -1, LUA_TFUNCTION); + // Call function + for(int i = 0; i < nargs; i++) + lua_pushvalue(L, arg+i); + if(lua_pcall(L, nargs, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + + // Move return value to designated space in stack + // Or pop it + if(first_loop){ + // Result of first callback is always moved + lua_replace(L, rv); + first_loop = false; + } else { + // Otherwise, what happens depends on the mode + if(mode == RUN_CALLBACKS_MODE_FIRST) + lua_pop(L, 1); + else if(mode == RUN_CALLBACKS_MODE_LAST) + lua_replace(L, rv); + else if(mode == RUN_CALLBACKS_MODE_AND || + mode == RUN_CALLBACKS_MODE_AND_SC){ + if((bool)lua_toboolean(L, rv) == true && + (bool)lua_toboolean(L, -1) == false) + lua_replace(L, rv); + else + lua_pop(L, 1); + } + else if(mode == RUN_CALLBACKS_MODE_OR || + mode == RUN_CALLBACKS_MODE_OR_SC){ + if((bool)lua_toboolean(L, rv) == false && + (bool)lua_toboolean(L, -1) == true) + lua_replace(L, rv); + else + lua_pop(L, 1); + } + else + assert(0); + } + + // Handle short circuit modes + if(mode == RUN_CALLBACKS_MODE_AND_SC && + (bool)lua_toboolean(L, rv) == false) + break; + else if(mode == RUN_CALLBACKS_MODE_OR_SC && + (bool)lua_toboolean(L, rv) == true) + break; + + // value removed, keep key for next iteration + } + + // Remove stuff from stack, leaving only the return value + lua_settop(L, rv); + + // Fix return value in case no callbacks were called + if(first_loop){ + if(mode == RUN_CALLBACKS_MODE_AND || + mode == RUN_CALLBACKS_MODE_AND_SC){ + lua_pop(L, 1); + lua_pushboolean(L, true); + } + else if(mode == RUN_CALLBACKS_MODE_OR || + mode == RUN_CALLBACKS_MODE_OR_SC){ + lua_pop(L, 1); + lua_pushboolean(L, false); + } + } +} + +void ScriptApiBase::addObjectReference(ServerActiveObject *cobj) +{ + SCRIPTAPI_PRECHECKHEADER + //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl; + + // Create object on stack + ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack + int object = lua_gettop(L); + + // Get minetest.object_refs table + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "object_refs"); + luaL_checktype(L, -1, LUA_TTABLE); + int objectstable = lua_gettop(L); + + // object_refs[id] = object + lua_pushnumber(L, cobj->getId()); // Push id + lua_pushvalue(L, object); // Copy object to top of stack + lua_settable(L, objectstable); +} + +void ScriptApiBase::removeObjectReference(ServerActiveObject *cobj) +{ + SCRIPTAPI_PRECHECKHEADER + //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl; + + // Get minetest.object_refs table + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "object_refs"); + luaL_checktype(L, -1, LUA_TTABLE); + int objectstable = lua_gettop(L); + + // Get object_refs[id] + lua_pushnumber(L, cobj->getId()); // Push id + lua_gettable(L, objectstable); + // Set object reference to NULL + ObjectRef::set_null(L); + lua_pop(L, 1); // pop object + + // Set object_refs[id] = nil + lua_pushnumber(L, cobj->getId()); // Push id + lua_pushnil(L); + lua_settable(L, objectstable); +} + +// Creates a new anonymous reference if cobj=NULL or id=0 +void ScriptApiBase::objectrefGetOrCreate( + ServerActiveObject *cobj) +{ + lua_State *L = getStack(); + + if(cobj == NULL || cobj->getId() == 0){ + ObjectRef::create(L, cobj); + } else { + objectrefGet(cobj->getId()); + } +} + +void ScriptApiBase::objectrefGet(u16 id) +{ + lua_State *L = getStack(); + + // Get minetest.object_refs[i] + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "object_refs"); + luaL_checktype(L, -1, LUA_TTABLE); + lua_pushnumber(L, id); + lua_gettable(L, -2); + lua_remove(L, -2); // object_refs + lua_remove(L, -2); // minetest +} diff --git a/src/script/cpp_api/s_base.h b/src/script/cpp_api/s_base.h new file mode 100644 index 000000000..da4e17d89 --- /dev/null +++ b/src/script/cpp_api/s_base.h @@ -0,0 +1,167 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_BASE_H_ +#define S_BASE_H_ + +#include <iostream> + +#include "irrlichttypes.h" +#include "jmutex.h" +#include "jmutexautolock.h" +#include "common/c_types.h" +#include "debug.h" + +#define LOCK_DEBUG + +class Server; +class Environment; +class ServerActiveObject; +class LuaABM; +class InvRef; +class ModApiBase; +class ModApiEnvMod; +class ObjectRef; +class NodeMetaRef; + + +/* definitions */ +// What scriptapi_run_callbacks does with the return values of callbacks. +// Regardless of the mode, if only one callback is defined, +// its return value is the total return value. +// Modes only affect the case where 0 or >= 2 callbacks are defined. +enum RunCallbacksMode +{ + // Returns the return value of the first callback + // Returns nil if list of callbacks is empty + RUN_CALLBACKS_MODE_FIRST, + // Returns the return value of the last callback + // Returns nil if list of callbacks is empty + RUN_CALLBACKS_MODE_LAST, + // If any callback returns a false value, the first such is returned + // Otherwise, the first callback's return value (trueish) is returned + // Returns true if list of callbacks is empty + RUN_CALLBACKS_MODE_AND, + // Like above, but stops calling callbacks (short circuit) + // after seeing the first false value + RUN_CALLBACKS_MODE_AND_SC, + // If any callback returns a true value, the first such is returned + // Otherwise, the first callback's return value (falseish) is returned + // Returns false if list of callbacks is empty + RUN_CALLBACKS_MODE_OR, + // Like above, but stops calling callbacks (short circuit) + // after seeing the first true value + RUN_CALLBACKS_MODE_OR_SC, + // Note: "a true value" and "a false value" refer to values that + // are converted by lua_toboolean to true or false, respectively. +}; + + +class ScriptApiBase { +public: + + /* object */ + void addObjectReference(ServerActiveObject *cobj); + void removeObjectReference(ServerActiveObject *cobj); + + ScriptApiBase(); + +protected: + friend class LuaABM; + friend class InvRef; + friend class ObjectRef; + friend class NodeMetaRef; + friend class ModApiBase; + friend class ModApiEnvMod; + + + inline lua_State* getStack() + { return m_luastack; } + + bool setStack(lua_State* stack) { + if (m_luastack == 0) { + m_luastack = stack; + return true; + } + return false; + } + + void realityCheck(); + void scriptError(const char *fmt, ...); + void stackDump(std::ostream &o); + void runCallbacks(int nargs,RunCallbacksMode mode); + + inline Server* getServer() { return m_server; } + void setServer(Server* server) { m_server = server; } + + Environment* getEnv() { return m_environment; } + void setEnv(Environment* env) { m_environment = env; } + + void objectrefGetOrCreate(ServerActiveObject *cobj); + void objectrefGet(u16 id); + + JMutex m_luastackmutex; +#ifdef LOCK_DEBUG + bool m_locked; +#endif +private: + lua_State* m_luastack; + + Server* m_server; + Environment* m_environment; + + +}; + +#ifdef LOCK_DEBUG +class LockChecker { +public: + LockChecker(bool* variable) { + assert(*variable == false); + + m_variable = variable; + *m_variable = true; + } + ~LockChecker() { + *m_variable = false; + } +private: +bool* m_variable; +}; + +#define LOCK_CHECK LockChecker(&(this->m_locked)) +#else +#define LOCK_CHECK while(0) +#endif + +#define LUA_STACK_AUTOLOCK JMutexAutoLock(this->m_luastackmutex) + +#define SCRIPTAPI_PRECHECKHEADER \ + LUA_STACK_AUTOLOCK; \ + LOCK_CHECK; \ + realityCheck(); \ + lua_State *L = getStack(); \ + assert(lua_checkstack(L, 20)); \ + StackUnroller stack_unroller(L); + +#define PLAYER_TO_SA(p) p->getEnv()->getScriptIface() +#define ENV_TO_SA(env) env->getScriptIface() +#define SERVER_TO_SA(srv) srv->getScriptIface() + +#endif /* S_BASE_H_ */ diff --git a/src/script/cpp_api/s_entity.cpp b/src/script/cpp_api/s_entity.cpp new file mode 100644 index 000000000..2a5a6066d --- /dev/null +++ b/src/script/cpp_api/s_entity.cpp @@ -0,0 +1,267 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_entity.h" +#include "log.h" +#include "object_properties.h" +#include "common/c_converter.h" +#include "common/c_content.h" + +extern "C" { +#include "lauxlib.h" +} + +bool ScriptApiEntity::luaentity_Add(u16 id, const char *name) +{ + SCRIPTAPI_PRECHECKHEADER + + verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\"" + <<name<<"\""<<std::endl; + + // Get minetest.registered_entities[name] + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_entities"); + luaL_checktype(L, -1, LUA_TTABLE); + lua_pushstring(L, name); + lua_gettable(L, -2); + // Should be a table, which we will use as a prototype + //luaL_checktype(L, -1, LUA_TTABLE); + if(lua_type(L, -1) != LUA_TTABLE){ + errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl; + return false; + } + int prototype_table = lua_gettop(L); + //dump2(L, "prototype_table"); + + // Create entity object + lua_newtable(L); + int object = lua_gettop(L); + + // Set object metatable + lua_pushvalue(L, prototype_table); + lua_setmetatable(L, -2); + + // Add object reference + // This should be userdata with metatable ObjectRef + objectrefGet(id); + luaL_checktype(L, -1, LUA_TUSERDATA); + if(!luaL_checkudata(L, -1, "ObjectRef")) + luaL_typerror(L, -1, "ObjectRef"); + lua_setfield(L, -2, "object"); + + // minetest.luaentities[id] = object + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "luaentities"); + luaL_checktype(L, -1, LUA_TTABLE); + lua_pushnumber(L, id); // Push id + lua_pushvalue(L, object); // Copy object to top of stack + lua_settable(L, -3); + + return true; +} + +void ScriptApiEntity::luaentity_Activate(u16 id, + const std::string &staticdata, u32 dtime_s) +{ + SCRIPTAPI_PRECHECKHEADER + + verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + int object = lua_gettop(L); + + // Get on_activate function + lua_pushvalue(L, object); + lua_getfield(L, -1, "on_activate"); + if(!lua_isnil(L, -1)){ + luaL_checktype(L, -1, LUA_TFUNCTION); + lua_pushvalue(L, object); // self + lua_pushlstring(L, staticdata.c_str(), staticdata.size()); + lua_pushinteger(L, dtime_s); + // Call with 3 arguments, 0 results + if(lua_pcall(L, 3, 0, 0)) + scriptError("error running function on_activate: %s\n", + lua_tostring(L, -1)); + } +} + +void ScriptApiEntity::luaentity_Remove(u16 id) +{ + SCRIPTAPI_PRECHECKHEADER + + verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl; + + // Get minetest.luaentities table + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "luaentities"); + luaL_checktype(L, -1, LUA_TTABLE); + int objectstable = lua_gettop(L); + + // Set luaentities[id] = nil + lua_pushnumber(L, id); // Push id + lua_pushnil(L); + lua_settable(L, objectstable); + + lua_pop(L, 2); // pop luaentities, minetest +} + +std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id) +{ + SCRIPTAPI_PRECHECKHEADER + + //infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + int object = lua_gettop(L); + + // Get get_staticdata function + lua_pushvalue(L, object); + lua_getfield(L, -1, "get_staticdata"); + if(lua_isnil(L, -1)) + return ""; + + luaL_checktype(L, -1, LUA_TFUNCTION); + lua_pushvalue(L, object); // self + // Call with 1 arguments, 1 results + if(lua_pcall(L, 1, 1, 0)) + scriptError("error running function get_staticdata: %s\n", + lua_tostring(L, -1)); + + size_t len=0; + const char *s = lua_tolstring(L, -1, &len); + return std::string(s, len); +} + +void ScriptApiEntity::luaentity_GetProperties(u16 id, + ObjectProperties *prop) +{ + SCRIPTAPI_PRECHECKHEADER + + //infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + //int object = lua_gettop(L); + + // Set default values that differ from ObjectProperties defaults + prop->hp_max = 10; + + /* Read stuff */ + + prop->hp_max = getintfield_default(L, -1, "hp_max", 10); + + getboolfield(L, -1, "physical", prop->physical); + + getfloatfield(L, -1, "weight", prop->weight); + + lua_getfield(L, -1, "collisionbox"); + if(lua_istable(L, -1)) + prop->collisionbox = read_aabb3f(L, -1, 1.0); + lua_pop(L, 1); + + getstringfield(L, -1, "visual", prop->visual); + + getstringfield(L, -1, "mesh", prop->mesh); + + // Deprecated: read object properties directly + read_object_properties(L, -1, prop); + + // Read initial_properties + lua_getfield(L, -1, "initial_properties"); + read_object_properties(L, -1, prop); + lua_pop(L, 1); +} + +void ScriptApiEntity::luaentity_Step(u16 id, float dtime) +{ + SCRIPTAPI_PRECHECKHEADER + + //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + int object = lua_gettop(L); + // State: object is at top of stack + // Get step function + lua_getfield(L, -1, "on_step"); + if(lua_isnil(L, -1)) + return; + luaL_checktype(L, -1, LUA_TFUNCTION); + lua_pushvalue(L, object); // self + lua_pushnumber(L, dtime); // dtime + // Call with 2 arguments, 0 results + if(lua_pcall(L, 2, 0, 0)) + scriptError("error running function 'on_step': %s\n", lua_tostring(L, -1)); +} + +// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch, +// tool_capabilities, direction) +void ScriptApiEntity::luaentity_Punch(u16 id, + ServerActiveObject *puncher, float time_from_last_punch, + const ToolCapabilities *toolcap, v3f dir) +{ + SCRIPTAPI_PRECHECKHEADER + + //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + int object = lua_gettop(L); + // State: object is at top of stack + // Get function + lua_getfield(L, -1, "on_punch"); + if(lua_isnil(L, -1)) + return; + luaL_checktype(L, -1, LUA_TFUNCTION); + lua_pushvalue(L, object); // self + objectrefGetOrCreate(puncher); // Clicker reference + lua_pushnumber(L, time_from_last_punch); + push_tool_capabilities(L, *toolcap); + push_v3f(L, dir); + // Call with 5 arguments, 0 results + if(lua_pcall(L, 5, 0, 0)) + scriptError("error running function 'on_punch': %s\n", lua_tostring(L, -1)); +} + +// Calls entity:on_rightclick(ObjectRef clicker) +void ScriptApiEntity::luaentity_Rightclick(u16 id, + ServerActiveObject *clicker) +{ + SCRIPTAPI_PRECHECKHEADER + + //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl; + + // Get minetest.luaentities[id] + luaentity_get(L,id); + int object = lua_gettop(L); + // State: object is at top of stack + // Get function + lua_getfield(L, -1, "on_rightclick"); + if(lua_isnil(L, -1)) + return; + luaL_checktype(L, -1, LUA_TFUNCTION); + lua_pushvalue(L, object); // self + objectrefGetOrCreate(clicker); // Clicker reference + // Call with 2 arguments, 0 results + if(lua_pcall(L, 2, 0, 0)) + scriptError("error running function 'on_rightclick': %s\n", lua_tostring(L, -1)); +} + diff --git a/src/script/cpp_api/s_entity.h b/src/script/cpp_api/s_entity.h new file mode 100644 index 000000000..b95b6b4b4 --- /dev/null +++ b/src/script/cpp_api/s_entity.h @@ -0,0 +1,50 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_ENTITY_H_ +#define S_ENTITY_H_ + +#include "cpp_api/s_base.h" +#include "irr_v3d.h" + +class ObjectProperties; +class ToolCapabilities; + +class ScriptApiEntity + : virtual public ScriptApiBase +{ +public: + bool luaentity_Add(u16 id, const char *name); + void luaentity_Activate(u16 id, + const std::string &staticdata, u32 dtime_s); + void luaentity_Remove(u16 id); + std::string luaentity_GetStaticdata(u16 id); + void luaentity_GetProperties(u16 id, + ObjectProperties *prop); + void luaentity_Step(u16 id, float dtime); + void luaentity_Punch(u16 id, + ServerActiveObject *puncher, float time_from_last_punch, + const ToolCapabilities *toolcap, v3f dir); + void luaentity_Rightclick(u16 id, + ServerActiveObject *clicker); +}; + + + +#endif /* S_ENTITY_H_ */ diff --git a/src/script/cpp_api/s_env.cpp b/src/script/cpp_api/s_env.cpp new file mode 100644 index 000000000..334d196bc --- /dev/null +++ b/src/script/cpp_api/s_env.cpp @@ -0,0 +1,132 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_env.h" +#include "common/c_converter.h" +#include "log.h" +#include "environment.h" +#include "lua_api/l_env.h" + +extern "C" { +#include "lauxlib.h" +} + +void ScriptApiEnv::environment_OnGenerated(v3s16 minp, v3s16 maxp, + u32 blockseed) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_generateds + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_generateds"); + // Call callbacks + push_v3s16(L, minp); + push_v3s16(L, maxp); + lua_pushnumber(L, blockseed); + runCallbacks(3, RUN_CALLBACKS_MODE_FIRST); +} + +void ScriptApiEnv::environment_Step(float dtime) +{ + SCRIPTAPI_PRECHECKHEADER + //infostream<<"scriptapi_environment_step"<<std::endl; + + // Get minetest.registered_globalsteps + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_globalsteps"); + // Call callbacks + lua_pushnumber(L, dtime); + runCallbacks(1, RUN_CALLBACKS_MODE_FIRST); +} + +void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env) +{ + SCRIPTAPI_PRECHECKHEADER + verbosestream<<"scriptapi_add_environment"<<std::endl; + setEnv(env); + + /* + Add ActiveBlockModifiers to environment + */ + + // Get minetest.registered_abms + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_abms"); + luaL_checktype(L, -1, LUA_TTABLE); + int registered_abms = lua_gettop(L); + + if(lua_istable(L, registered_abms)){ + int table = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + int id = lua_tonumber(L, -2); + int current_abm = lua_gettop(L); + + std::set<std::string> trigger_contents; + lua_getfield(L, current_abm, "nodenames"); + if(lua_istable(L, -1)){ + int table = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + luaL_checktype(L, -1, LUA_TSTRING); + trigger_contents.insert(lua_tostring(L, -1)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } else if(lua_isstring(L, -1)){ + trigger_contents.insert(lua_tostring(L, -1)); + } + lua_pop(L, 1); + + std::set<std::string> required_neighbors; + lua_getfield(L, current_abm, "neighbors"); + if(lua_istable(L, -1)){ + int table = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + luaL_checktype(L, -1, LUA_TSTRING); + required_neighbors.insert(lua_tostring(L, -1)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } else if(lua_isstring(L, -1)){ + required_neighbors.insert(lua_tostring(L, -1)); + } + lua_pop(L, 1); + + float trigger_interval = 10.0; + getfloatfield(L, current_abm, "interval", trigger_interval); + + int trigger_chance = 50; + getintfield(L, current_abm, "chance", trigger_chance); + + LuaABM *abm = new LuaABM(L, id, trigger_contents, + required_neighbors, trigger_interval, trigger_chance); + + env->addActiveBlockModifier(abm); + + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } + lua_pop(L, 1); +} diff --git a/src/script/cpp_api/s_env.h b/src/script/cpp_api/s_env.h new file mode 100644 index 000000000..c5b739eb4 --- /dev/null +++ b/src/script/cpp_api/s_env.h @@ -0,0 +1,40 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_ENV_H_ +#define S_ENV_H_ + +#include "cpp_api/s_base.h" +#include "irr_v3d.h" + +class ServerEnvironment; + +class ScriptApiEnv + : virtual public ScriptApiBase +{ +public: + // On environment step + void environment_Step(float dtime); + // After generating a piece of map + void environment_OnGenerated(v3s16 minp, v3s16 maxp,u32 blockseed); + + void initializeEnvironment(ServerEnvironment *env); +}; + +#endif /* S_ENV_H_ */ diff --git a/src/script/cpp_api/s_inventory.cpp b/src/script/cpp_api/s_inventory.cpp new file mode 100644 index 000000000..2402d198c --- /dev/null +++ b/src/script/cpp_api/s_inventory.cpp @@ -0,0 +1,260 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_inventory.h" +#include "inventorymanager.h" +#include "lua_api/l_inventory.h" +#include "lua_api/l_item.h" +#include "log.h" + +// Return number of accepted items to be moved +int ScriptApiDetached::detached_inventory_AllowMove( + const std::string &name, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "allow_move")) + return count; + + // function(inv, from_list, from_index, to_list, to_index, count, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // from_list + lua_pushstring(L, from_list.c_str()); + // from_index + lua_pushinteger(L, from_index + 1); + // to_list + lua_pushstring(L, to_list.c_str()); + // to_index + lua_pushinteger(L, to_index + 1); + // count + lua_pushinteger(L, count); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 7, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_move should return a number"); + return luaL_checkinteger(L, -1); +} + +// Return number of accepted items to be put +int ScriptApiDetached::detached_inventory_AllowPut( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "allow_put")) + return stack.count; // All will be accepted + + // Call function(inv, listname, index, stack, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_put should return a number"); + return luaL_checkinteger(L, -1); +} + +// Return number of accepted items to be taken +int ScriptApiDetached::detached_inventory_AllowTake( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "allow_take")) + return stack.count; // All will be accepted + + // Call function(inv, listname, index, stack, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_take should return a number"); + return luaL_checkinteger(L, -1); +} + +// Report moved items +void ScriptApiDetached::detached_inventory_OnMove( + const std::string &name, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "on_move")) + return; + + // function(inv, from_list, from_index, to_list, to_index, count, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // from_list + lua_pushstring(L, from_list.c_str()); + // from_index + lua_pushinteger(L, from_index + 1); + // to_list + lua_pushstring(L, to_list.c_str()); + // to_index + lua_pushinteger(L, to_index + 1); + // count + lua_pushinteger(L, count); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 7, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +// Report put items +void ScriptApiDetached::detached_inventory_OnPut( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "on_put")) + return; + + // Call function(inv, listname, index, stack, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +// Report taken items +void ScriptApiDetached::detached_inventory_OnTake( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getDetachedInventoryCallback(name, "on_take")) + return; + + // Call function(inv, listname, index, stack, player) + // inv + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +// Retrieves minetest.detached_inventories[name][callbackname] +// If that is nil or on error, return false and stack is unchanged +// If that is a function, returns true and pushes the +// function onto the stack +bool ScriptApiDetached::getDetachedInventoryCallback( + const std::string &name, const char *callbackname) +{ + lua_State *L = getStack(); + + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "detached_inventories"); + lua_remove(L, -2); + luaL_checktype(L, -1, LUA_TTABLE); + lua_getfield(L, -1, name.c_str()); + lua_remove(L, -2); + // Should be a table + if(lua_type(L, -1) != LUA_TTABLE) + { + errorstream<<"Item \""<<name<<"\" not defined"<<std::endl; + lua_pop(L, 1); + return false; + } + lua_getfield(L, -1, callbackname); + lua_remove(L, -2); + // Should be a function or nil + if(lua_type(L, -1) == LUA_TFUNCTION) + { + return true; + } + else if(lua_isnil(L, -1)) + { + lua_pop(L, 1); + return false; + } + else + { + errorstream<<"Detached inventory \""<<name<<"\" callback \"" + <<callbackname<<"\" is not a function"<<std::endl; + lua_pop(L, 1); + return false; + } +} diff --git a/src/script/cpp_api/s_inventory.h b/src/script/cpp_api/s_inventory.h new file mode 100644 index 000000000..bf3b5de85 --- /dev/null +++ b/src/script/cpp_api/s_inventory.h @@ -0,0 +1,71 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_INVENTORY_H_ +#define S_INVENTORY_H_ + +#include "cpp_api/s_base.h" + +class ItemStack; + +class ScriptApiDetached + : virtual public ScriptApiBase +{ +public: + /* Detached inventory callbacks */ + // Return number of accepted items to be moved + int detached_inventory_AllowMove( + const std::string &name, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player); + // Return number of accepted items to be put + int detached_inventory_AllowPut( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Return number of accepted items to be taken + int detached_inventory_AllowTake( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Report moved items + void detached_inventory_OnMove( + const std::string &name, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player); + // Report put items + void detached_inventory_OnPut( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Report taken items + void detached_inventory_OnTake( + const std::string &name, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); +private: + bool getDetachedInventoryCallback( + const std::string &name, const char *callbackname); +}; + + + +#endif /* S_INVENTORY_H_ */ diff --git a/src/script/cpp_api/s_item.cpp b/src/script/cpp_api/s_item.cpp new file mode 100644 index 000000000..6937ebbeb --- /dev/null +++ b/src/script/cpp_api/s_item.cpp @@ -0,0 +1,164 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_item.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "lua_api/l_item.h" +#include "server.h" + +bool ScriptApiItem::item_OnDrop(ItemStack &item, + ServerActiveObject *dropper, v3f pos) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getItemCallback(item.name.c_str(), "on_drop")) + return false; + + // Call function + LuaItemStack::create(L, item); + objectrefGetOrCreate(dropper); + pushFloatPos(L, pos); + if(lua_pcall(L, 3, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnil(L, -1)) + item = read_item(L,-1, getServer()); + return true; +} + +bool ScriptApiItem::item_OnPlace(ItemStack &item, + ServerActiveObject *placer, const PointedThing &pointed) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getItemCallback(item.name.c_str(), "on_place")) + return false; + + // Call function + LuaItemStack::create(L, item); + objectrefGetOrCreate(placer); + pushPointedThing(pointed); + if(lua_pcall(L, 3, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnil(L, -1)) + item = read_item(L,-1, getServer()); + return true; +} + +bool ScriptApiItem::item_OnUse(ItemStack &item, + ServerActiveObject *user, const PointedThing &pointed) +{ + SCRIPTAPI_PRECHECKHEADER + + // Push callback function on stack + if(!getItemCallback(item.name.c_str(), "on_use")) + return false; + + // Call function + LuaItemStack::create(L, item); + objectrefGetOrCreate(user); + pushPointedThing(pointed); + if(lua_pcall(L, 3, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnil(L, -1)) + item = read_item(L,-1, getServer()); + return true; +} + +// Retrieves minetest.registered_items[name][callbackname] +// If that is nil or on error, return false and stack is unchanged +// If that is a function, returns true and pushes the +// function onto the stack +// If minetest.registered_items[name] doesn't exist, minetest.nodedef_default +// is tried instead so unknown items can still be manipulated to some degree +bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname) +{ + lua_State* L = getStack(); + + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_items"); + lua_remove(L, -2); + luaL_checktype(L, -1, LUA_TTABLE); + lua_getfield(L, -1, name); + lua_remove(L, -2); + // Should be a table + if(lua_type(L, -1) != LUA_TTABLE) + { + // Report error and clean up + errorstream<<"Item \""<<name<<"\" not defined"<<std::endl; + lua_pop(L, 1); + + // Try minetest.nodedef_default instead + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "nodedef_default"); + lua_remove(L, -2); + luaL_checktype(L, -1, LUA_TTABLE); + } + lua_getfield(L, -1, callbackname); + lua_remove(L, -2); + // Should be a function or nil + if(lua_type(L, -1) == LUA_TFUNCTION) + { + return true; + } + else if(lua_isnil(L, -1)) + { + lua_pop(L, 1); + return false; + } + else + { + errorstream<<"Item \""<<name<<"\" callback \"" + <<callbackname<<" is not a function"<<std::endl; + lua_pop(L, 1); + return false; + } +} + +void ScriptApiItem::pushPointedThing(const PointedThing& pointed) +{ + lua_State* L = getStack(); + + lua_newtable(L); + if(pointed.type == POINTEDTHING_NODE) + { + lua_pushstring(L, "node"); + lua_setfield(L, -2, "type"); + push_v3s16(L, pointed.node_undersurface); + lua_setfield(L, -2, "under"); + push_v3s16(L, pointed.node_abovesurface); + lua_setfield(L, -2, "above"); + } + else if(pointed.type == POINTEDTHING_OBJECT) + { + lua_pushstring(L, "object"); + lua_setfield(L, -2, "type"); + objectrefGet(pointed.object_id); + lua_setfield(L, -2, "ref"); + } + else + { + lua_pushstring(L, "nothing"); + lua_setfield(L, -2, "type"); + } +} + + diff --git a/src/script/cpp_api/s_item.h b/src/script/cpp_api/s_item.h new file mode 100644 index 000000000..28ac444f6 --- /dev/null +++ b/src/script/cpp_api/s_item.h @@ -0,0 +1,55 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_ITEM_H_ +#define S_ITEM_H_ + +#include "cpp_api/s_base.h" +#include "irr_v3d.h" + +class PointedThing; +class ItemStack; +class ServerActiveObject; +class ItemDefinition; +class LuaItemStack; +class ModApiItemMod; + +class ScriptApiItem +: virtual public ScriptApiBase +{ +public: + bool item_OnDrop(ItemStack &item, + ServerActiveObject *dropper, v3f pos); + bool item_OnPlace(ItemStack &item, + ServerActiveObject *placer, const PointedThing &pointed); + bool item_OnUse(ItemStack &item, + ServerActiveObject *user, const PointedThing &pointed); + +protected: + friend class LuaItemStack; + friend class ModApiItemMod; + + bool getItemCallback(const char *name, const char *callbackname); +private: + void pushPointedThing(const PointedThing& pointed); + +}; + + +#endif /* S_ITEM_H_ */ diff --git a/src/script/cpp_api/s_node.cpp b/src/script/cpp_api/s_node.cpp new file mode 100644 index 000000000..969e2f4d9 --- /dev/null +++ b/src/script/cpp_api/s_node.cpp @@ -0,0 +1,233 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_node.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "nodedef.h" +#include "server.h" + + +struct EnumString ScriptApiNode::es_DrawType[] = + { + {NDT_NORMAL, "normal"}, + {NDT_AIRLIKE, "airlike"}, + {NDT_LIQUID, "liquid"}, + {NDT_FLOWINGLIQUID, "flowingliquid"}, + {NDT_GLASSLIKE, "glasslike"}, + {NDT_GLASSLIKE_FRAMED, "glasslike_framed"}, + {NDT_ALLFACES, "allfaces"}, + {NDT_ALLFACES_OPTIONAL, "allfaces_optional"}, + {NDT_TORCHLIKE, "torchlike"}, + {NDT_SIGNLIKE, "signlike"}, + {NDT_PLANTLIKE, "plantlike"}, + {NDT_FENCELIKE, "fencelike"}, + {NDT_RAILLIKE, "raillike"}, + {NDT_NODEBOX, "nodebox"}, + {0, NULL}, + }; + +struct EnumString ScriptApiNode::es_ContentParamType2[] = + { + {CPT2_NONE, "none"}, + {CPT2_FULL, "full"}, + {CPT2_FLOWINGLIQUID, "flowingliquid"}, + {CPT2_FACEDIR, "facedir"}, + {CPT2_WALLMOUNTED, "wallmounted"}, + {0, NULL}, + }; + +struct EnumString ScriptApiNode::es_LiquidType[] = + { + {LIQUID_NONE, "none"}, + {LIQUID_FLOWING, "flowing"}, + {LIQUID_SOURCE, "source"}, + {0, NULL}, + }; + +struct EnumString ScriptApiNode::es_ContentParamType[] = + { + {CPT_NONE, "none"}, + {CPT_LIGHT, "light"}, + {0, NULL}, + }; + +struct EnumString ScriptApiNode::es_NodeBoxType[] = + { + {NODEBOX_REGULAR, "regular"}, + {NODEBOX_FIXED, "fixed"}, + {NODEBOX_WALLMOUNTED, "wallmounted"}, + {0, NULL}, + }; + +ScriptApiNode::ScriptApiNode() { +} + +ScriptApiNode::~ScriptApiNode() { +} + +bool ScriptApiNode::node_on_punch(v3s16 p, MapNode node, + ServerActiveObject *puncher) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_punch")) + return false; + + // Call function + push_v3s16(L, p); + pushnode(L, node, ndef); + objectrefGetOrCreate(puncher); + if(lua_pcall(L, 3, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + return true; +} + +bool ScriptApiNode::node_on_dig(v3s16 p, MapNode node, + ServerActiveObject *digger) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_dig")) + return false; + + // Call function + push_v3s16(L, p); + pushnode(L, node, ndef); + objectrefGetOrCreate(digger); + if(lua_pcall(L, 3, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + return true; +} + +void ScriptApiNode::node_on_construct(v3s16 p, MapNode node) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_construct")) + return; + + // Call function + push_v3s16(L, p); + if(lua_pcall(L, 1, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +void ScriptApiNode::node_on_destruct(v3s16 p, MapNode node) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_destruct")) + return; + + // Call function + push_v3s16(L, p); + if(lua_pcall(L, 1, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +void ScriptApiNode::node_after_destruct(v3s16 p, MapNode node) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "after_destruct")) + return; + + // Call function + push_v3s16(L, p); + pushnode(L, node, ndef); + if(lua_pcall(L, 2, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +bool ScriptApiNode::node_on_timer(v3s16 p, MapNode node, f32 dtime) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_timer")) + return false; + + // Call function + push_v3s16(L, p); + lua_pushnumber(L,dtime); + if(lua_pcall(L, 2, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true) + return true; + + return false; +} + +void ScriptApiNode::node_on_receive_fields(v3s16 p, + const std::string &formname, + const std::map<std::string, std::string> &fields, + ServerActiveObject *sender) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), "on_receive_fields")) + return; + + // Call function + // param 1 + push_v3s16(L, p); + // param 2 + lua_pushstring(L, formname.c_str()); + // param 3 + lua_newtable(L); + for(std::map<std::string, std::string>::const_iterator + i = fields.begin(); i != fields.end(); i++){ + const std::string &name = i->first; + const std::string &value = i->second; + lua_pushstring(L, name.c_str()); + lua_pushlstring(L, value.c_str(), value.size()); + lua_settable(L, -3); + } + // param 4 + objectrefGetOrCreate(sender); + if(lua_pcall(L, 4, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + diff --git a/src/script/cpp_api/s_node.h b/src/script/cpp_api/s_node.h new file mode 100644 index 000000000..bff6072b9 --- /dev/null +++ b/src/script/cpp_api/s_node.h @@ -0,0 +1,62 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_NODE_H_ +#define S_NODE_H_ + +#include <map> + +#include "irr_v3d.h" +#include "cpp_api/s_base.h" +#include "cpp_api/s_nodemeta.h" + +class MapNode; +class ServerActiveObject; + +class ScriptApiNode + : virtual public ScriptApiBase, + public ScriptApiNodemeta +{ +public: + ScriptApiNode(); + virtual ~ScriptApiNode(); + + bool node_on_punch(v3s16 p, MapNode node, + ServerActiveObject *puncher); + bool node_on_dig(v3s16 p, MapNode node, + ServerActiveObject *digger); + void node_on_construct(v3s16 p, MapNode node); + void node_on_destruct(v3s16 p, MapNode node); + void node_after_destruct(v3s16 p, MapNode node); + bool node_on_timer(v3s16 p, MapNode node, f32 dtime); + void node_on_receive_fields(v3s16 p, + const std::string &formname, + const std::map<std::string, std::string> &fields, + ServerActiveObject *sender); +public: + static struct EnumString es_DrawType[]; + static struct EnumString es_ContentParamType[]; + static struct EnumString es_ContentParamType2[]; + static struct EnumString es_LiquidType[]; + static struct EnumString es_NodeBoxType[]; +}; + + + +#endif /* S_NODE_H_ */ diff --git a/src/script/cpp_api/s_nodemeta.cpp b/src/script/cpp_api/s_nodemeta.cpp new file mode 100644 index 000000000..56cea8e5f --- /dev/null +++ b/src/script/cpp_api/s_nodemeta.cpp @@ -0,0 +1,261 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_nodemeta.h" +#include "common/c_converter.h" +#include "nodedef.h" +#include "mapnode.h" +#include "server.h" +#include "lua_api/l_item.h" + +extern "C" { +#include "lauxlib.h" +} + +// Return number of accepted items to be moved +int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return 0; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "allow_metadata_inventory_move")) + return count; + + // function(pos, from_list, from_index, to_list, to_index, count, player) + // pos + push_v3s16(L, p); + // from_list + lua_pushstring(L, from_list.c_str()); + // from_index + lua_pushinteger(L, from_index + 1); + // to_list + lua_pushstring(L, to_list.c_str()); + // to_index + lua_pushinteger(L, to_index + 1); + // count + lua_pushinteger(L, count); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 7, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_metadata_inventory_move should return a number"); + return luaL_checkinteger(L, -1); +} + +// Return number of accepted items to be put +int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return 0; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "allow_metadata_inventory_put")) + return stack.count; + + // Call function(pos, listname, index, stack, player) + // pos + push_v3s16(L, p); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_metadata_inventory_put should return a number"); + return luaL_checkinteger(L, -1); +} + +// Return number of accepted items to be taken +int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return 0; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "allow_metadata_inventory_take")) + return stack.count; + + // Call function(pos, listname, index, count, player) + // pos + push_v3s16(L, p); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + if(!lua_isnumber(L, -1)) + throw LuaError(L, "allow_metadata_inventory_take should return a number"); + return luaL_checkinteger(L, -1); +} + +// Report moved items +void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "on_metadata_inventory_move")) + return; + + // function(pos, from_list, from_index, to_list, to_index, count, player) + // pos + push_v3s16(L, p); + // from_list + lua_pushstring(L, from_list.c_str()); + // from_index + lua_pushinteger(L, from_index + 1); + // to_list + lua_pushstring(L, to_list.c_str()); + // to_index + lua_pushinteger(L, to_index + 1); + // count + lua_pushinteger(L, count); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 7, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +// Report put items +void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "on_metadata_inventory_put")) + return; + + // Call function(pos, listname, index, stack, player) + // pos + push_v3s16(L, p); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +// Report taken items +void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + INodeDefManager *ndef = getServer()->ndef(); + + // If node doesn't exist, we don't know what callback to call + MapNode node = getEnv()->getMap().getNodeNoEx(p); + if(node.getContent() == CONTENT_IGNORE) + return; + + // Push callback function on stack + if(!getItemCallback(ndef->get(node).name.c_str(), + "on_metadata_inventory_take")) + return; + + // Call function(pos, listname, index, stack, player) + // pos + push_v3s16(L, p); + // listname + lua_pushstring(L, listname.c_str()); + // index + lua_pushinteger(L, index + 1); + // stack + LuaItemStack::create(L, stack); + // player + objectrefGetOrCreate(player); + if(lua_pcall(L, 5, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +ScriptApiNodemeta::ScriptApiNodemeta() { +} + +ScriptApiNodemeta::~ScriptApiNodemeta() { +} + + + diff --git a/src/script/cpp_api/s_nodemeta.h b/src/script/cpp_api/s_nodemeta.h new file mode 100644 index 000000000..9be126c62 --- /dev/null +++ b/src/script/cpp_api/s_nodemeta.h @@ -0,0 +1,67 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_NODEMETA_H_ +#define S_NODEMETA_H_ + +#include "cpp_api/s_base.h" +#include "cpp_api/s_item.h" +#include "irr_v3d.h" + +class ItemStack; + +class ScriptApiNodemeta + : virtual public ScriptApiBase, + public ScriptApiItem +{ +public: + ScriptApiNodemeta(); + virtual ~ScriptApiNodemeta(); + + // Return number of accepted items to be moved + int nodemeta_inventory_AllowMove(v3s16 p, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player); + // Return number of accepted items to be put + int nodemeta_inventory_AllowPut(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Return number of accepted items to be taken + int nodemeta_inventory_AllowTake(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Report moved items + void nodemeta_inventory_OnMove(v3s16 p, + const std::string &from_list, int from_index, + const std::string &to_list, int to_index, + int count, ServerActiveObject *player); + // Report put items + void nodemeta_inventory_OnPut(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); + // Report taken items + void nodemeta_inventory_OnTake(v3s16 p, + const std::string &listname, int index, ItemStack &stack, + ServerActiveObject *player); +private: + +}; + +#endif /* S_NODEMETA_H_ */ diff --git a/src/script/cpp_api/s_player.cpp b/src/script/cpp_api/s_player.cpp new file mode 100644 index 000000000..e736d745d --- /dev/null +++ b/src/script/cpp_api/s_player.cpp @@ -0,0 +1,113 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/s_player.h" + +void ScriptApiPlayer::on_newplayer(ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_newplayers + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_newplayers"); + // Call callbacks + objectrefGetOrCreate(player); + runCallbacks(1, RUN_CALLBACKS_MODE_FIRST); +} + +void ScriptApiPlayer::on_dieplayer(ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_dieplayers + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_dieplayers"); + // Call callbacks + objectrefGetOrCreate(player); + runCallbacks(1, RUN_CALLBACKS_MODE_FIRST); +} + +bool ScriptApiPlayer::on_respawnplayer(ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_respawnplayers + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_respawnplayers"); + // Call callbacks + objectrefGetOrCreate(player); + runCallbacks(1, RUN_CALLBACKS_MODE_OR); + bool positioning_handled_by_some = lua_toboolean(L, -1); + return positioning_handled_by_some; +} + +void ScriptApiPlayer::on_joinplayer(ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_joinplayers + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_joinplayers"); + // Call callbacks + objectrefGetOrCreate(player); + runCallbacks(1, RUN_CALLBACKS_MODE_FIRST); +} + +void ScriptApiPlayer::on_leaveplayer(ServerActiveObject *player) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_leaveplayers + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_leaveplayers"); + // Call callbacks + objectrefGetOrCreate(player); + runCallbacks(1, RUN_CALLBACKS_MODE_FIRST); +} + +void ScriptApiPlayer::on_playerReceiveFields(ServerActiveObject *player, + const std::string &formname, + const std::map<std::string, std::string> &fields) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_chat_messages + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_player_receive_fields"); + // Call callbacks + // param 1 + objectrefGetOrCreate(player); + // param 2 + lua_pushstring(L, formname.c_str()); + // param 3 + lua_newtable(L); + for(std::map<std::string, std::string>::const_iterator + i = fields.begin(); i != fields.end(); i++){ + const std::string &name = i->first; + const std::string &value = i->second; + lua_pushstring(L, name.c_str()); + lua_pushlstring(L, value.c_str(), value.size()); + lua_settable(L, -3); + } + runCallbacks(3, RUN_CALLBACKS_MODE_OR_SC); +} +ScriptApiPlayer::~ScriptApiPlayer() { +} + + diff --git a/src/script/cpp_api/s_player.h b/src/script/cpp_api/s_player.h new file mode 100644 index 000000000..663e3c2ab --- /dev/null +++ b/src/script/cpp_api/s_player.h @@ -0,0 +1,44 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef S_PLAYER_H_ +#define S_PLAYER_H_ + +#include "cpp_api/s_base.h" + + +class ScriptApiPlayer + : virtual public ScriptApiBase +{ +public: + virtual ~ScriptApiPlayer(); + + void on_newplayer(ServerActiveObject *player); + void on_dieplayer(ServerActiveObject *player); + bool on_respawnplayer(ServerActiveObject *player); + void on_joinplayer(ServerActiveObject *player); + void on_leaveplayer(ServerActiveObject *player); + + void on_playerReceiveFields(ServerActiveObject *player, + const std::string &formname, + const std::map<std::string, std::string> &fields); +}; + + +#endif /* S_PLAYER_H_ */ diff --git a/src/script/cpp_api/scriptapi.cpp b/src/script/cpp_api/scriptapi.cpp new file mode 100644 index 000000000..b6d376b1f --- /dev/null +++ b/src/script/cpp_api/scriptapi.cpp @@ -0,0 +1,291 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +extern "C" { +#include "lua.h" +#include "lauxlib.h" +#include "lualib.h" +} + + +#include "scriptapi.h" +#include "common/c_converter.h" +#include "lua_api/l_base.h" +#include "log.h" +#include "mods.h" + +int script_ErrorHandler(lua_State *L) { + lua_getfield(L, LUA_GLOBALSINDEX, "debug"); + if (!lua_istable(L, -1)) { + lua_pop(L, 1); + return 1; + } + lua_getfield(L, -1, "traceback"); + if (!lua_isfunction(L, -1)) { + lua_pop(L, 2); + return 1; + } + lua_pushvalue(L, 1); + lua_pushinteger(L, 2); + lua_call(L, 2, 1); + return 1; +} + + +bool ScriptApi::getAuth(const std::string &playername, + std::string *dst_password, std::set<std::string> *dst_privs) +{ + SCRIPTAPI_PRECHECKHEADER + + getAuthHandler(); + lua_getfield(L, -1, "get_auth"); + if(lua_type(L, -1) != LUA_TFUNCTION) + throw LuaError(L, "Authentication handler missing get_auth"); + lua_pushstring(L, playername.c_str()); + if(lua_pcall(L, 1, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + + // nil = login not allowed + if(lua_isnil(L, -1)) + return false; + luaL_checktype(L, -1, LUA_TTABLE); + + std::string password; + bool found = getstringfield(L, -1, "password", password); + if(!found) + throw LuaError(L, "Authentication handler didn't return password"); + if(dst_password) + *dst_password = password; + + lua_getfield(L, -1, "privileges"); + if(!lua_istable(L, -1)) + throw LuaError(L, + "Authentication handler didn't return privilege table"); + if(dst_privs) + readPrivileges(-1, *dst_privs); + lua_pop(L, 1); + + return true; +} + +void ScriptApi::getAuthHandler() +{ + lua_State *L = getStack(); + + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_auth_handler"); + if(lua_isnil(L, -1)){ + lua_pop(L, 1); + lua_getfield(L, -1, "builtin_auth_handler"); + } + if(lua_type(L, -1) != LUA_TTABLE) + throw LuaError(L, "Authentication handler table not valid"); +} + +void ScriptApi::readPrivileges(int index,std::set<std::string> &result) +{ + lua_State *L = getStack(); + + result.clear(); + lua_pushnil(L); + if(index < 0) + index -= 1; + while(lua_next(L, index) != 0){ + // key at index -2 and value at index -1 + std::string key = luaL_checkstring(L, -2); + bool value = lua_toboolean(L, -1); + if(value) + result.insert(key); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } +} + +void ScriptApi::createAuth(const std::string &playername, + const std::string &password) +{ + SCRIPTAPI_PRECHECKHEADER + + getAuthHandler(); + lua_getfield(L, -1, "create_auth"); + if(lua_type(L, -1) != LUA_TFUNCTION) + throw LuaError(L, "Authentication handler missing create_auth"); + lua_pushstring(L, playername.c_str()); + lua_pushstring(L, password.c_str()); + if(lua_pcall(L, 2, 0, 0)) + scriptError("error: %s", lua_tostring(L, -1)); +} + +bool ScriptApi::setPassword(const std::string &playername, + const std::string &password) +{ + SCRIPTAPI_PRECHECKHEADER + + getAuthHandler(); + lua_getfield(L, -1, "set_password"); + if(lua_type(L, -1) != LUA_TFUNCTION) + throw LuaError(L, "Authentication handler missing set_password"); + lua_pushstring(L, playername.c_str()); + lua_pushstring(L, password.c_str()); + if(lua_pcall(L, 2, 1, 0)) + scriptError("error: %s", lua_tostring(L, -1)); + return lua_toboolean(L, -1); +} + +bool ScriptApi::on_chat_message(const std::string &name, + const std::string &message) +{ + SCRIPTAPI_PRECHECKHEADER + + // Get minetest.registered_on_chat_messages + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_chat_messages"); + // Call callbacks + lua_pushstring(L, name.c_str()); + lua_pushstring(L, message.c_str()); + runCallbacks(2, RUN_CALLBACKS_MODE_OR_SC); + bool ate = lua_toboolean(L, -1); + return ate; +} + +void ScriptApi::on_shutdown() +{ + SCRIPTAPI_PRECHECKHEADER + + // Get registered shutdown hooks + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_on_shutdown"); + // Call callbacks + runCallbacks(0, RUN_CALLBACKS_MODE_FIRST); +} + +bool ScriptApi::loadMod(const std::string &scriptpath,const std::string &modname) +{ + ModNameStorer modnamestorer(getStack(), modname); + + if(!string_allowed(modname, MODNAME_ALLOWED_CHARS)){ + errorstream<<"Error loading mod \""<<modname + <<"\": modname does not follow naming conventions: " + <<"Only chararacters [a-z0-9_] are allowed."<<std::endl; + return false; + } + + bool success = false; + + try{ + success = scriptLoad(scriptpath.c_str()); + } + catch(LuaError &e){ + errorstream<<"Error loading mod \""<<modname + <<"\": "<<e.what()<<std::endl; + } + + return success; +} + +ScriptApi::ScriptApi() { + assert("Invalid call to default constructor of scriptapi!" == 0); +} + +ScriptApi::ScriptApi(Server* server) +{ + + setServer(server); + setStack(luaL_newstate()); + assert(getStack()); + + //TODO add security + + luaL_openlibs(getStack()); + + SCRIPTAPI_PRECHECKHEADER + + lua_pushlightuserdata(L, this); + lua_setfield(L, LUA_REGISTRYINDEX, "scriptapi"); + + lua_newtable(L); + lua_setglobal(L, "minetest"); + + + for (std::vector<ModApiBase*>::iterator i = m_mod_api_modules->begin(); + i != m_mod_api_modules->end(); i++) { + //initializers are called within minetest global table! + lua_getglobal(L, "minetest"); + int top = lua_gettop(L); + bool ModInitializedSuccessfull = (*i)->Initialize(L,top); + assert(ModInitializedSuccessfull); + } + + infostream << "SCRIPTAPI: initialized " << m_mod_api_modules->size() + << " modules" << std::endl; + + // Get the main minetest table + lua_getglobal(L, "minetest"); + + // Add tables to minetest + lua_newtable(L); + lua_setfield(L, -2, "object_refs"); + + lua_newtable(L); + lua_setfield(L, -2, "luaentities"); +} + +ScriptApi::~ScriptApi() { + lua_close(getStack()); +} + +bool ScriptApi::scriptLoad(const char *path) +{ + lua_State* L = getStack(); + setStack(0); + + verbosestream<<"Loading and running script from "<<path<<std::endl; + + lua_pushcfunction(L, script_ErrorHandler); + int errorhandler = lua_gettop(L); + + int ret = luaL_loadfile(L, path) || lua_pcall(L, 0, 0, errorhandler); + if(ret){ + errorstream<<"========== ERROR FROM LUA ==========="<<std::endl; + errorstream<<"Failed to load and run script from "<<std::endl; + errorstream<<path<<":"<<std::endl; + errorstream<<std::endl; + errorstream<<lua_tostring(L, -1)<<std::endl; + errorstream<<std::endl; + errorstream<<"=======END OF ERROR FROM LUA ========"<<std::endl; + lua_pop(L, 1); // Pop error message from stack + lua_pop(L, 1); // Pop the error handler from stack + return false; + } + lua_pop(L, 1); // Pop the error handler from stack + return true; +} + +bool ScriptApi::registerModApiModule(ModApiBase* ptr) { + if (ScriptApi::m_mod_api_modules == 0) + ScriptApi::m_mod_api_modules = new std::vector<ModApiBase*>(); + + assert(ScriptApi::m_mod_api_modules != 0); + + ScriptApi::m_mod_api_modules->push_back(ptr); + + return true; +} + +std::vector<ModApiBase*>* ScriptApi::m_mod_api_modules = 0; diff --git a/src/script/cpp_api/scriptapi.h b/src/script/cpp_api/scriptapi.h new file mode 100644 index 000000000..bbd0bdda7 --- /dev/null +++ b/src/script/cpp_api/scriptapi.h @@ -0,0 +1,82 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef SCRIPTAPI_H_ +#define SCRIPTAPI_H_ + +#include <map> +#include <set> +#include <vector> + +#include "cpp_api/s_base.h" +#include "cpp_api/s_player.h" +#include "cpp_api/s_env.h" +#include "cpp_api/s_node.h" +#include "cpp_api/s_inventory.h" +#include "cpp_api/s_entity.h" + +class ModApiBase; + +/*****************************************************************************/ +/* Scriptapi <-> Core Interface */ +/*****************************************************************************/ + +class ScriptApi + : virtual public ScriptApiBase, + public ScriptApiPlayer, + public ScriptApiEnv, + public ScriptApiNode, + public ScriptApiDetached, + public ScriptApiEntity +{ +public: + ScriptApi(); + ScriptApi(Server* server); + ~ScriptApi(); + + // Returns true if script handled message + bool on_chat_message(const std::string &name, const std::string &message); + + /* server */ + void on_shutdown(); + + /* auth */ + bool getAuth(const std::string &playername, + std::string *dst_password, std::set<std::string> *dst_privs); + void createAuth(const std::string &playername, + const std::string &password); + bool setPassword(const std::string &playername, + const std::string &password); + + /** register a lua api module to scriptapi */ + static bool registerModApiModule(ModApiBase* prototype); + /** load a mod **/ + bool loadMod(const std::string &scriptpath,const std::string &modname); + +private: + void getAuthHandler(); + void readPrivileges(int index,std::set<std::string> &result); + + bool scriptLoad(const char *path); + + static std::vector<ModApiBase*>* m_mod_api_modules; + +}; + +#endif /* SCRIPTAPI_H_ */ diff --git a/src/script/lua_api/CMakeLists.txt b/src/script/lua_api/CMakeLists.txt new file mode 100644 index 000000000..7610ce8f1 --- /dev/null +++ b/src/script/lua_api/CMakeLists.txt @@ -0,0 +1,13 @@ +set(SCRIPT_LUA_API_SRCS + ${CMAKE_CURRENT_SOURCE_DIR}/l_base.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_craft.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_env.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_inventory.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_item.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/luaapi.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_nodemeta.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_nodetimer.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_noise.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_object.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/l_particles.cpp + PARENT_SCOPE) diff --git a/src/script/lua_api/l_base.cpp b/src/script/lua_api/l_base.cpp new file mode 100644 index 000000000..b1766e6df --- /dev/null +++ b/src/script/lua_api/l_base.cpp @@ -0,0 +1,63 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "lua_api/l_base.h" +#include "common/c_internal.h" +#include "log.h" + +extern "C" { +#include "lua.h" +} + +ModApiBase::ModApiBase() { + ScriptApi::registerModApiModule(this); +} + +Server* ModApiBase::getServer(lua_State* L) { + return get_scriptapi(L)->getServer(); +} + +Environment* ModApiBase::getEnv(lua_State* L) { + return get_scriptapi(L)->getEnv(); +} + +bool ModApiBase::registerFunction( lua_State* L, + const char* name, + lua_CFunction fct, + int top + ) { + //TODO check presence first! + + lua_pushstring(L,name); + lua_pushcfunction(L,fct); + lua_settable(L, top); + + return true; +} + +struct EnumString es_BiomeTerrainType[] = +{ + {BIOME_TERRAIN_NORMAL, "normal"}, + {BIOME_TERRAIN_LIQUID, "liquid"}, + {BIOME_TERRAIN_NETHER, "nether"}, + {BIOME_TERRAIN_AETHER, "aether"}, + {BIOME_TERRAIN_FLAT, "flat"}, + {0, NULL}, +}; diff --git a/src/script/lua_api/l_base.h b/src/script/lua_api/l_base.h new file mode 100644 index 000000000..f2e0d59a9 --- /dev/null +++ b/src/script/lua_api/l_base.h @@ -0,0 +1,63 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_BASE_H_ +#define L_BASE_H_ + +#include "biome.h" +#include "common/c_types.h" + +extern "C" { +#include "lua.h" +} + +extern struct EnumString es_BiomeTerrainType[]; + +class ScriptApi; +class Server; +class Environment; + +typedef class ModApiBase { + +public: + ModApiBase(); + + virtual bool Initialize(lua_State* L, int top) = 0; + virtual ~ModApiBase() {}; + +protected: + static Server* getServer( lua_State* L); + static Environment* getEnv( lua_State* L); + static bool registerFunction( lua_State* L, + const char* name, + lua_CFunction fct, + int top + ); +} ModApiBase; + +#if (defined(WIN32) || defined(_WIN32_WCE)) +#define NO_MAP_LOCK_REQUIRED +#else +#include "main.h" +#include "profiler.h" +#define NO_MAP_LOCK_REQUIRED ScopeProfiler nolocktime(g_profiler,"Scriptapi: unlockable time",SPT_ADD) +//#define NO_ENVLOCK_REQUIRED assert(getServer(L).m_env_mutex.IsLocked() == false) +#endif + +#endif /* L_BASE_H_ */ diff --git a/src/script/lua_api/l_craft.cpp b/src/script/lua_api/l_craft.cpp new file mode 100644 index 000000000..a32fb9dff --- /dev/null +++ b/src/script/lua_api/l_craft.cpp @@ -0,0 +1,477 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + + +#include "lua_api/l_craft.h" +#include "common/c_internal.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "server.h" +#include "lua_api/l_item.h" + +extern "C" { +#include "lauxlib.h" +} + +ModApiCraft::ModApiCraft() + : ModApiBase() { + +} + +struct EnumString ModApiCraft::es_CraftMethod[] = +{ + {CRAFT_METHOD_NORMAL, "normal"}, + {CRAFT_METHOD_COOKING, "cooking"}, + {CRAFT_METHOD_FUEL, "fuel"}, + {0, NULL}, +}; + + +// helper for register_craft +bool ModApiCraft::readCraftRecipeShaped(lua_State *L, int index, + int &width, std::vector<std::string> &recipe) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + if(!lua_istable(L, index)) + return false; + + lua_pushnil(L); + int rowcount = 0; + while(lua_next(L, index) != 0){ + int colcount = 0; + // key at index -2 and value at index -1 + if(!lua_istable(L, -1)) + return false; + int table2 = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, table2) != 0){ + // key at index -2 and value at index -1 + if(!lua_isstring(L, -1)) + return false; + recipe.push_back(lua_tostring(L, -1)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + colcount++; + } + if(rowcount == 0){ + width = colcount; + } else { + if(colcount != width) + return false; + } + // removes value, keeps key for next iteration + lua_pop(L, 1); + rowcount++; + } + return width != 0; +} + +// helper for register_craft +bool ModApiCraft::readCraftRecipeShapeless(lua_State *L, int index, + std::vector<std::string> &recipe) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + if(!lua_istable(L, index)) + return false; + + lua_pushnil(L); + while(lua_next(L, index) != 0){ + // key at index -2 and value at index -1 + if(!lua_isstring(L, -1)) + return false; + recipe.push_back(lua_tostring(L, -1)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + return true; +} + +// helper for register_craft +bool ModApiCraft::readCraftReplacements(lua_State *L, int index, + CraftReplacements &replacements) +{ + if(index < 0) + index = lua_gettop(L) + 1 + index; + + if(!lua_istable(L, index)) + return false; + + lua_pushnil(L); + while(lua_next(L, index) != 0){ + // key at index -2 and value at index -1 + if(!lua_istable(L, -1)) + return false; + lua_rawgeti(L, -1, 1); + if(!lua_isstring(L, -1)) + return false; + std::string replace_from = lua_tostring(L, -1); + lua_pop(L, 1); + lua_rawgeti(L, -1, 2); + if(!lua_isstring(L, -1)) + return false; + std::string replace_to = lua_tostring(L, -1); + lua_pop(L, 1); + replacements.pairs.push_back( + std::make_pair(replace_from, replace_to)); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + return true; +} +// register_craft({output=item, recipe={{item00,item10},{item01,item11}}) +int ModApiCraft::l_register_craft(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + //infostream<<"register_craft"<<std::endl; + luaL_checktype(L, 1, LUA_TTABLE); + int table = 1; + + // Get the writable craft definition manager from the server + IWritableCraftDefManager *craftdef = + getServer(L)->getWritableCraftDefManager(); + + std::string type = getstringfield_default(L, table, "type", "shaped"); + + /* + CraftDefinitionShaped + */ + if(type == "shaped"){ + std::string output = getstringfield_default(L, table, "output", ""); + if(output == "") + throw LuaError(L, "Crafting definition is missing an output"); + + int width = 0; + std::vector<std::string> recipe; + lua_getfield(L, table, "recipe"); + if(lua_isnil(L, -1)) + throw LuaError(L, "Crafting definition is missing a recipe" + " (output=\"" + output + "\")"); + if(!readCraftRecipeShaped(L, -1, width, recipe)) + throw LuaError(L, "Invalid crafting recipe" + " (output=\"" + output + "\")"); + + CraftReplacements replacements; + lua_getfield(L, table, "replacements"); + if(!lua_isnil(L, -1)) + { + if(!readCraftReplacements(L, -1, replacements)) + throw LuaError(L, "Invalid replacements" + " (output=\"" + output + "\")"); + } + + CraftDefinition *def = new CraftDefinitionShaped( + output, width, recipe, replacements); + craftdef->registerCraft(def); + } + /* + CraftDefinitionShapeless + */ + else if(type == "shapeless"){ + std::string output = getstringfield_default(L, table, "output", ""); + if(output == "") + throw LuaError(L, "Crafting definition (shapeless)" + " is missing an output"); + + std::vector<std::string> recipe; + lua_getfield(L, table, "recipe"); + if(lua_isnil(L, -1)) + throw LuaError(L, "Crafting definition (shapeless)" + " is missing a recipe" + " (output=\"" + output + "\")"); + if(!readCraftRecipeShapeless(L, -1, recipe)) + throw LuaError(L, "Invalid crafting recipe" + " (output=\"" + output + "\")"); + + CraftReplacements replacements; + lua_getfield(L, table, "replacements"); + if(!lua_isnil(L, -1)) + { + if(!readCraftReplacements(L, -1, replacements)) + throw LuaError(L, "Invalid replacements" + " (output=\"" + output + "\")"); + } + + CraftDefinition *def = new CraftDefinitionShapeless( + output, recipe, replacements); + craftdef->registerCraft(def); + } + /* + CraftDefinitionToolRepair + */ + else if(type == "toolrepair"){ + float additional_wear = getfloatfield_default(L, table, + "additional_wear", 0.0); + + CraftDefinition *def = new CraftDefinitionToolRepair( + additional_wear); + craftdef->registerCraft(def); + } + /* + CraftDefinitionCooking + */ + else if(type == "cooking"){ + std::string output = getstringfield_default(L, table, "output", ""); + if(output == "") + throw LuaError(L, "Crafting definition (cooking)" + " is missing an output"); + + std::string recipe = getstringfield_default(L, table, "recipe", ""); + if(recipe == "") + throw LuaError(L, "Crafting definition (cooking)" + " is missing a recipe" + " (output=\"" + output + "\")"); + + float cooktime = getfloatfield_default(L, table, "cooktime", 3.0); + + CraftReplacements replacements; + lua_getfield(L, table, "replacements"); + if(!lua_isnil(L, -1)) + { + if(!readCraftReplacements(L, -1, replacements)) + throw LuaError(L, "Invalid replacements" + " (cooking output=\"" + output + "\")"); + } + + CraftDefinition *def = new CraftDefinitionCooking( + output, recipe, cooktime, replacements); + craftdef->registerCraft(def); + } + /* + CraftDefinitionFuel + */ + else if(type == "fuel"){ + std::string recipe = getstringfield_default(L, table, "recipe", ""); + if(recipe == "") + throw LuaError(L, "Crafting definition (fuel)" + " is missing a recipe"); + + float burntime = getfloatfield_default(L, table, "burntime", 1.0); + + CraftReplacements replacements; + lua_getfield(L, table, "replacements"); + if(!lua_isnil(L, -1)) + { + if(!readCraftReplacements(L, -1, replacements)) + throw LuaError(L, "Invalid replacements" + " (fuel recipe=\"" + recipe + "\")"); + } + + CraftDefinition *def = new CraftDefinitionFuel( + recipe, burntime, replacements); + craftdef->registerCraft(def); + } + else + { + throw LuaError(L, "Unknown crafting definition type: \"" + type + "\""); + } + + lua_pop(L, 1); + return 0; /* number of results */ +} + +// get_craft_result(input) +int ModApiCraft::l_get_craft_result(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + + int input_i = 1; + std::string method_s = getstringfield_default(L, input_i, "method", "normal"); + enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method", + es_CraftMethod, CRAFT_METHOD_NORMAL); + int width = 1; + lua_getfield(L, input_i, "width"); + if(lua_isnumber(L, -1)) + width = luaL_checkinteger(L, -1); + lua_pop(L, 1); + lua_getfield(L, input_i, "items"); + std::vector<ItemStack> items = read_items(L, -1,getServer(L)); + lua_pop(L, 1); // items + + IGameDef *gdef = getServer(L); + ICraftDefManager *cdef = gdef->cdef(); + CraftInput input(method, width, items); + CraftOutput output; + bool got = cdef->getCraftResult(input, output, true, gdef); + lua_newtable(L); // output table + if(got){ + ItemStack item; + item.deSerialize(output.item, gdef->idef()); + LuaItemStack::create(L, item); + lua_setfield(L, -2, "item"); + setintfield(L, -1, "time", output.time); + } else { + LuaItemStack::create(L, ItemStack()); + lua_setfield(L, -2, "item"); + setintfield(L, -1, "time", 0); + } + lua_newtable(L); // decremented input table + lua_pushstring(L, method_s.c_str()); + lua_setfield(L, -2, "method"); + lua_pushinteger(L, width); + lua_setfield(L, -2, "width"); + push_items(L, input.items); + lua_setfield(L, -2, "items"); + return 2; +} + +// get_craft_recipe(result item) +int ModApiCraft::l_get_craft_recipe(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + + int k = 1; + int input_i = 1; + std::string o_item = luaL_checkstring(L,input_i); + + IGameDef *gdef = getServer(L); + ICraftDefManager *cdef = gdef->cdef(); + CraftInput input; + CraftOutput output(o_item,0); + bool got = cdef->getCraftRecipe(input, output, gdef); + lua_newtable(L); // output table + if(got){ + lua_newtable(L); + for(std::vector<ItemStack>::const_iterator + i = input.items.begin(); + i != input.items.end(); i++, k++) + { + if (i->empty()) + { + continue; + } + lua_pushinteger(L,k); + lua_pushstring(L,i->name.c_str()); + lua_settable(L, -3); + } + lua_setfield(L, -2, "items"); + setintfield(L, -1, "width", input.width); + switch (input.method) { + case CRAFT_METHOD_NORMAL: + lua_pushstring(L,"normal"); + break; + case CRAFT_METHOD_COOKING: + lua_pushstring(L,"cooking"); + break; + case CRAFT_METHOD_FUEL: + lua_pushstring(L,"fuel"); + break; + default: + lua_pushstring(L,"unknown"); + } + lua_setfield(L, -2, "type"); + } else { + lua_pushnil(L); + lua_setfield(L, -2, "items"); + setintfield(L, -1, "width", 0); + } + return 1; +} + +// get_all_craft_recipes(result item) +int ModApiCraft::l_get_all_craft_recipes(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + + std::string o_item = luaL_checkstring(L,1); + IGameDef *gdef = getServer(L); + ICraftDefManager *cdef = gdef->cdef(); + CraftInput input; + CraftOutput output(o_item,0); + std::vector<CraftDefinition*> recipes_list = cdef->getCraftRecipes(output, gdef); + if (recipes_list.empty()) + { + lua_pushnil(L); + return 1; + } + // Get the table insert function + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int table_insert = lua_gettop(L); + lua_newtable(L); + int table = lua_gettop(L); + for (std::vector<CraftDefinition*>::const_iterator + i = recipes_list.begin(); + i != recipes_list.end(); i++) + { + CraftOutput tmpout; + tmpout.item = ""; + tmpout.time = 0; + CraftDefinition *def = *i; + tmpout = def->getOutput(input, gdef); + std::string query = tmpout.item; + char *fmtpos, *fmt = &query[0]; + if (strtok_r(fmt, " ", &fmtpos) == output.item) + { + input = def->getInput(output, gdef); + lua_pushvalue(L, table_insert); + lua_pushvalue(L, table); + lua_newtable(L); + int k = 1; + lua_newtable(L); + for(std::vector<ItemStack>::const_iterator + i = input.items.begin(); + i != input.items.end(); i++, k++) + { + if (i->empty()) + continue; + lua_pushinteger(L,k); + lua_pushstring(L,i->name.c_str()); + lua_settable(L, -3); + } + lua_setfield(L, -2, "items"); + setintfield(L, -1, "width", input.width); + switch (input.method) { + case CRAFT_METHOD_NORMAL: + lua_pushstring(L,"normal"); + break; + case CRAFT_METHOD_COOKING: + lua_pushstring(L,"cooking"); + break; + case CRAFT_METHOD_FUEL: + lua_pushstring(L,"fuel"); + break; + default: + lua_pushstring(L,"unknown"); + } + lua_setfield(L, -2, "type"); + lua_pushstring(L, &tmpout.item[0]); + lua_setfield(L, -2, "output"); + if (lua_pcall(L, 2, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + } + } + return 1; +} + +bool ModApiCraft::Initialize(lua_State* L, int top) { + bool retval = true; + + retval &= API_FCT(get_all_craft_recipes); + retval &= API_FCT(get_craft_recipe); + retval &= API_FCT(get_craft_result); + retval &= API_FCT(register_craft); + + return retval; +} + +ModApiCraft modapicraft_prototype; diff --git a/src/script/lua_api/l_craft.h b/src/script/lua_api/l_craft.h new file mode 100644 index 000000000..d8319199d --- /dev/null +++ b/src/script/lua_api/l_craft.h @@ -0,0 +1,52 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_CRAFT_H_ +#define L_CRAFT_H_ + +#include <vector> + +extern "C" { +#include <lua.h> +} + +#include "lua_api/l_base.h" +#include "craftdef.h" + +class ModApiCraft : public ModApiBase { +public: + ModApiCraft(); + bool Initialize(lua_State* L, int top); +private: + static int l_register_craft(lua_State *L); + static int l_get_craft_recipe(lua_State *L); + static int l_get_all_craft_recipes(lua_State *L); + static int l_get_craft_result(lua_State *L); + + static bool readCraftReplacements(lua_State *L, int index, + CraftReplacements &replacements); + static bool readCraftRecipeShapeless(lua_State *L, int index, + std::vector<std::string> &recipe); + static bool readCraftRecipeShaped(lua_State *L, int index, + int &width, std::vector<std::string> &recipe); + + static struct EnumString es_CraftMethod[]; +}; + +#endif /* L_CRAFT_H_ */ diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp new file mode 100644 index 000000000..58cf337ed --- /dev/null +++ b/src/script/lua_api/l_env.cpp @@ -0,0 +1,687 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "lua_api/l_base.h" +#include "lua_api/l_env.h" +#include "environment.h" +#include "server.h" +#include "daynightratio.h" +#include "util/pointedthing.h" +#include "content_sao.h" + +#include "common/c_converter.h" +#include "common/c_content.h" +#include "common/c_internal.h" +#include "lua_api/l_nodemeta.h" +#include "lua_api/l_nodetimer.h" +#include "lua_api/l_noise.h" +#include "treegen.h" +#include "pathfinder.h" + + +#define GET_ENV_PTR ServerEnvironment* env = \ + dynamic_cast<ServerEnvironment*>(getEnv(L)); \ + if( env == NULL) return 0 + +void LuaABM::trigger(ServerEnvironment *env, v3s16 p, MapNode n, + u32 active_object_count, u32 active_object_count_wider) +{ + ScriptApi* scriptIface = SERVER_TO_SA(env); + scriptIface->realityCheck(); + + lua_State* L = scriptIface->getStack(); + assert(lua_checkstack(L, 20)); + StackUnroller stack_unroller(L); + + // Get minetest.registered_abms + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_abms"); + luaL_checktype(L, -1, LUA_TTABLE); + int registered_abms = lua_gettop(L); + + // Get minetest.registered_abms[m_id] + lua_pushnumber(L, m_id); + lua_gettable(L, registered_abms); + if(lua_isnil(L, -1)) + assert(0); + + // Call action + luaL_checktype(L, -1, LUA_TTABLE); + lua_getfield(L, -1, "action"); + luaL_checktype(L, -1, LUA_TFUNCTION); + push_v3s16(L, p); + pushnode(L, n, env->getGameDef()->ndef()); + lua_pushnumber(L, active_object_count); + lua_pushnumber(L, active_object_count_wider); + if(lua_pcall(L, 4, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); +} + +// Exported functions + +// minetest.set_node(pos, node) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_set_node(lua_State *L) +{ + GET_ENV_PTR; + + INodeDefManager *ndef = env->getGameDef()->ndef(); + // parameters + v3s16 pos = read_v3s16(L, 1); + MapNode n = readnode(L, 2, ndef); + // Do it + bool succeeded = env->setNode(pos, n); + lua_pushboolean(L, succeeded); + return 1; +} + +int ModApiEnvMod::l_add_node(lua_State *L) +{ + return l_set_node(L); +} + +// minetest.remove_node(pos) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_remove_node(lua_State *L) +{ + GET_ENV_PTR; + + // parameters + v3s16 pos = read_v3s16(L, 1); + // Do it + bool succeeded = env->removeNode(pos); + lua_pushboolean(L, succeeded); + return 1; +} + +// minetest.get_node(pos) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_get_node(lua_State *L) +{ + GET_ENV_PTR; + + // pos + v3s16 pos = read_v3s16(L, 1); + // Do it + MapNode n = env->getMap().getNodeNoEx(pos); + // Return node + pushnode(L, n, env->getGameDef()->ndef()); + return 1; +} + +// minetest.get_node_or_nil(pos) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_get_node_or_nil(lua_State *L) +{ + GET_ENV_PTR; + + // pos + v3s16 pos = read_v3s16(L, 1); + // Do it + try{ + MapNode n = env->getMap().getNode(pos); + // Return node + pushnode(L, n, env->getGameDef()->ndef()); + return 1; + } catch(InvalidPositionException &e) + { + lua_pushnil(L); + return 1; + } +} + +// minetest.get_node_light(pos, timeofday) +// pos = {x=num, y=num, z=num} +// timeofday: nil = current time, 0 = night, 0.5 = day +int ModApiEnvMod::l_get_node_light(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + v3s16 pos = read_v3s16(L, 1); + u32 time_of_day = env->getTimeOfDay(); + if(lua_isnumber(L, 2)) + time_of_day = 24000.0 * lua_tonumber(L, 2); + time_of_day %= 24000; + u32 dnr = time_to_daynight_ratio(time_of_day, true); + try{ + MapNode n = env->getMap().getNode(pos); + INodeDefManager *ndef = env->getGameDef()->ndef(); + lua_pushinteger(L, n.getLightBlend(dnr, ndef)); + return 1; + } catch(InvalidPositionException &e) + { + lua_pushnil(L); + return 1; + } +} + +// minetest.place_node(pos, node) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_place_node(lua_State *L) +{ + GET_ENV_PTR; + + v3s16 pos = read_v3s16(L, 1); + MapNode n = readnode(L, 2, env->getGameDef()->ndef()); + + // Don't attempt to load non-loaded area as of now + MapNode n_old = env->getMap().getNodeNoEx(pos); + if(n_old.getContent() == CONTENT_IGNORE){ + lua_pushboolean(L, false); + return 1; + } + // Create item to place + INodeDefManager *ndef = getServer(L)->ndef(); + IItemDefManager *idef = getServer(L)->idef(); + ItemStack item(ndef->get(n).name, 1, 0, "", idef); + // Make pointed position + PointedThing pointed; + pointed.type = POINTEDTHING_NODE; + pointed.node_abovesurface = pos; + pointed.node_undersurface = pos + v3s16(0,-1,0); + // Place it with a NULL placer (appears in Lua as a non-functional + // ObjectRef) + bool success = get_scriptapi(L)->item_OnPlace(item, NULL, pointed); + lua_pushboolean(L, success); + return 1; +} + +// minetest.dig_node(pos) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_dig_node(lua_State *L) +{ + GET_ENV_PTR; + + v3s16 pos = read_v3s16(L, 1); + + // Don't attempt to load non-loaded area as of now + MapNode n = env->getMap().getNodeNoEx(pos); + if(n.getContent() == CONTENT_IGNORE){ + lua_pushboolean(L, false); + return 1; + } + // Dig it out with a NULL digger (appears in Lua as a + // non-functional ObjectRef) + bool success = get_scriptapi(L)->node_on_dig(pos, n, NULL); + lua_pushboolean(L, success); + return 1; +} + +// minetest.punch_node(pos) +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_punch_node(lua_State *L) +{ + GET_ENV_PTR; + + v3s16 pos = read_v3s16(L, 1); + + // Don't attempt to load non-loaded area as of now + MapNode n = env->getMap().getNodeNoEx(pos); + if(n.getContent() == CONTENT_IGNORE){ + lua_pushboolean(L, false); + return 1; + } + // Punch it with a NULL puncher (appears in Lua as a non-functional + // ObjectRef) + bool success = get_scriptapi(L)->node_on_punch(pos, n, NULL); + lua_pushboolean(L, success); + return 1; +} + +// minetest.get_meta(pos) +int ModApiEnvMod::l_get_meta(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + v3s16 p = read_v3s16(L, 1); + NodeMetaRef::create(L, p, env); + return 1; +} + +// minetest.get_node_timer(pos) +int ModApiEnvMod::l_get_node_timer(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + v3s16 p = read_v3s16(L, 1); + NodeTimerRef::create(L, p, env); + return 1; +} + +// minetest.add_entity(pos, entityname) -> ObjectRef or nil +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_add_entity(lua_State *L) +{ + GET_ENV_PTR; + + // pos + v3f pos = checkFloatPos(L, 1); + // content + const char *name = luaL_checkstring(L, 2); + // Do it + ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, ""); + int objectid = env->addActiveObject(obj); + // If failed to add, return nothing (reads as nil) + if(objectid == 0) + return 0; + // Return ObjectRef + get_scriptapi(L)->objectrefGetOrCreate(obj); + return 1; +} + +// minetest.add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil +// pos = {x=num, y=num, z=num} +int ModApiEnvMod::l_add_item(lua_State *L) +{ + GET_ENV_PTR; + + // pos + //v3f pos = checkFloatPos(L, 1); + // item + ItemStack item = read_item(L, 2,getServer(L)); + if(item.empty() || !item.isKnown(getServer(L)->idef())) + return 0; + // Use minetest.spawn_item to spawn a __builtin:item + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "spawn_item"); + if(lua_isnil(L, -1)) + return 0; + lua_pushvalue(L, 1); + lua_pushstring(L, item.getItemString().c_str()); + if(lua_pcall(L, 2, 1, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + return 1; + /*lua_pushvalue(L, 1); + lua_pushstring(L, "__builtin:item"); + lua_pushstring(L, item.getItemString().c_str()); + return l_add_entity(L);*/ + /*// Do it + ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString()); + int objectid = env->addActiveObject(obj); + // If failed to add, return nothing (reads as nil) + if(objectid == 0) + return 0; + // Return ObjectRef + objectrefGetOrCreate(L, obj); + return 1;*/ +} + +// minetest.get_player_by_name(name) +int ModApiEnvMod::l_get_player_by_name(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + const char *name = luaL_checkstring(L, 1); + Player *player = env->getPlayer(name); + if(player == NULL){ + lua_pushnil(L); + return 1; + } + PlayerSAO *sao = player->getPlayerSAO(); + if(sao == NULL){ + lua_pushnil(L); + return 1; + } + // Put player on stack + get_scriptapi(L)->objectrefGetOrCreate(sao); + return 1; +} + +// minetest.get_objects_inside_radius(pos, radius) +int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L) +{ + // Get the table insert function + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int table_insert = lua_gettop(L); + + GET_ENV_PTR; + + // Do it + v3f pos = checkFloatPos(L, 1); + float radius = luaL_checknumber(L, 2) * BS; + std::set<u16> ids = env->getObjectsInsideRadius(pos, radius); + lua_newtable(L); + int table = lua_gettop(L); + for(std::set<u16>::const_iterator + i = ids.begin(); i != ids.end(); i++){ + ServerActiveObject *obj = env->getActiveObject(*i); + // Insert object reference into table + lua_pushvalue(L, table_insert); + lua_pushvalue(L, table); + get_scriptapi(L)->objectrefGetOrCreate(obj); + if(lua_pcall(L, 2, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + } + return 1; +} + +// minetest.set_timeofday(val) +// val = 0...1 +int ModApiEnvMod::l_set_timeofday(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + float timeofday_f = luaL_checknumber(L, 1); + assert(timeofday_f >= 0.0 && timeofday_f <= 1.0); + int timeofday_mh = (int)(timeofday_f * 24000.0); + // This should be set directly in the environment but currently + // such changes aren't immediately sent to the clients, so call + // the server instead. + //env->setTimeOfDay(timeofday_mh); + getServer(L)->setTimeOfDay(timeofday_mh); + return 0; +} + +// minetest.get_timeofday() -> 0...1 +int ModApiEnvMod::l_get_timeofday(lua_State *L) +{ + GET_ENV_PTR; + + // Do it + int timeofday_mh = env->getTimeOfDay(); + float timeofday_f = (float)timeofday_mh / 24000.0; + lua_pushnumber(L, timeofday_f); + return 1; +} + + +// minetest.find_node_near(pos, radius, nodenames) -> pos or nil +// nodenames: eg. {"ignore", "group:tree"} or "default:dirt" +int ModApiEnvMod::l_find_node_near(lua_State *L) +{ + GET_ENV_PTR; + + INodeDefManager *ndef = getServer(L)->ndef(); + v3s16 pos = read_v3s16(L, 1); + int radius = luaL_checkinteger(L, 2); + std::set<content_t> filter; + if(lua_istable(L, 3)){ + int table = 3; + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + luaL_checktype(L, -1, LUA_TSTRING); + ndef->getIds(lua_tostring(L, -1), filter); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } else if(lua_isstring(L, 3)){ + ndef->getIds(lua_tostring(L, 3), filter); + } + + for(int d=1; d<=radius; d++){ + std::list<v3s16> list; + getFacePositions(list, d); + for(std::list<v3s16>::iterator i = list.begin(); + i != list.end(); ++i){ + v3s16 p = pos + (*i); + content_t c = env->getMap().getNodeNoEx(p).getContent(); + if(filter.count(c) != 0){ + push_v3s16(L, p); + return 1; + } + } + } + return 0; +} + +// minetest.find_nodes_in_area(minp, maxp, nodenames) -> list of positions +// nodenames: eg. {"ignore", "group:tree"} or "default:dirt" +int ModApiEnvMod::l_find_nodes_in_area(lua_State *L) +{ + GET_ENV_PTR; + + INodeDefManager *ndef = getServer(L)->ndef(); + v3s16 minp = read_v3s16(L, 1); + v3s16 maxp = read_v3s16(L, 2); + std::set<content_t> filter; + if(lua_istable(L, 3)){ + int table = 3; + lua_pushnil(L); + while(lua_next(L, table) != 0){ + // key at index -2 and value at index -1 + luaL_checktype(L, -1, LUA_TSTRING); + ndef->getIds(lua_tostring(L, -1), filter); + // removes value, keeps key for next iteration + lua_pop(L, 1); + } + } else if(lua_isstring(L, 3)){ + ndef->getIds(lua_tostring(L, 3), filter); + } + + // Get the table insert function + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int table_insert = lua_gettop(L); + + lua_newtable(L); + int table = lua_gettop(L); + for(s16 x=minp.X; x<=maxp.X; x++) + for(s16 y=minp.Y; y<=maxp.Y; y++) + for(s16 z=minp.Z; z<=maxp.Z; z++) + { + v3s16 p(x,y,z); + content_t c = env->getMap().getNodeNoEx(p).getContent(); + if(filter.count(c) != 0){ + lua_pushvalue(L, table_insert); + lua_pushvalue(L, table); + push_v3s16(L, p); + if(lua_pcall(L, 2, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + } + } + return 1; +} + +// minetest.get_perlin(seeddiff, octaves, persistence, scale) +// returns world-specific PerlinNoise +int ModApiEnvMod::l_get_perlin(lua_State *L) +{ + GET_ENV_PTR; + + int seeddiff = luaL_checkint(L, 1); + int octaves = luaL_checkint(L, 2); + float persistence = luaL_checknumber(L, 3); + float scale = luaL_checknumber(L, 4); + + LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale); + *(void **)(lua_newuserdata(L, sizeof(void *))) = n; + luaL_getmetatable(L, "PerlinNoise"); + lua_setmetatable(L, -2); + return 1; +} + +// minetest.get_perlin_map(noiseparams, size) +// returns world-specific PerlinNoiseMap +int ModApiEnvMod::l_get_perlin_map(lua_State *L) +{ + GET_ENV_PTR; + + NoiseParams *np = read_noiseparams(L, 1); + if (!np) + return 0; + v3s16 size = read_v3s16(L, 2); + + int seed = (int)(env->getServerMap().getSeed()); + LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(np, seed, size); + *(void **)(lua_newuserdata(L, sizeof(void *))) = n; + luaL_getmetatable(L, "PerlinNoiseMap"); + lua_setmetatable(L, -2); + return 1; +} + +// minetest.clear_objects() +// clear all objects in the environment +int ModApiEnvMod::l_clear_objects(lua_State *L) +{ + GET_ENV_PTR; + + env->clearAllObjects(); + return 0; +} + +// minetest.line_of_sight(pos1, pos2, stepsize) -> true/false +int ModApiEnvMod::l_line_of_sight(lua_State *L) { + float stepsize = 1.0; + + GET_ENV_PTR; + + // read position 1 from lua + v3f pos1 = checkFloatPos(L, 2); + // read position 2 from lua + v3f pos2 = checkFloatPos(L, 2); + //read step size from lua + if(lua_isnumber(L, 3)) + stepsize = lua_tonumber(L, 3); + + return (env->line_of_sight(pos1,pos2,stepsize)); +} + +// minetest.find_path(pos1, pos2, searchdistance, +// max_jump, max_drop, algorithm) -> table containing path +int ModApiEnvMod::l_find_path(lua_State *L) +{ + GET_ENV_PTR; + + v3s16 pos1 = read_v3s16(L, 2); + v3s16 pos2 = read_v3s16(L, 3); + unsigned int searchdistance = luaL_checkint(L, 4); + unsigned int max_jump = luaL_checkint(L, 5); + unsigned int max_drop = luaL_checkint(L, 6); + algorithm algo = A_PLAIN_NP; + if(! lua_isnil(L, 7)) { + std::string algorithm = luaL_checkstring(L,7); + + if (algorithm == "A*") + algo = A_PLAIN; + + if (algorithm == "Dijkstra") + algo = DIJKSTRA; + } + + std::vector<v3s16> path = + get_Path(env,pos1,pos2,searchdistance,max_jump,max_drop,algo); + + if (path.size() > 0) + { + lua_newtable(L); + int top = lua_gettop(L); + unsigned int index = 1; + for (std::vector<v3s16>::iterator i = path.begin(); i != path.end();i++) + { + lua_pushnumber(L,index); + push_v3s16(L, *i); + lua_settable(L, top); + index++; + } + return 1; + } + + return 0; +} + +// minetest.spawn_tree(pos, treedef) +int ModApiEnvMod::l_spawn_tree(lua_State *L) +{ + GET_ENV_PTR; + + v3s16 p0 = read_v3s16(L, 1); + + treegen::TreeDef tree_def; + std::string trunk,leaves,fruit; + INodeDefManager *ndef = env->getGameDef()->ndef(); + + if(lua_istable(L, 2)) + { + getstringfield(L, 2, "axiom", tree_def.initial_axiom); + getstringfield(L, 2, "rules_a", tree_def.rules_a); + getstringfield(L, 2, "rules_b", tree_def.rules_b); + getstringfield(L, 2, "rules_c", tree_def.rules_c); + getstringfield(L, 2, "rules_d", tree_def.rules_d); + getstringfield(L, 2, "trunk", trunk); + tree_def.trunknode=ndef->getId(trunk); + getstringfield(L, 2, "leaves", leaves); + tree_def.leavesnode=ndef->getId(leaves); + tree_def.leaves2_chance=0; + getstringfield(L, 2, "leaves2", leaves); + if (leaves !="") + { + tree_def.leaves2node=ndef->getId(leaves); + getintfield(L, 2, "leaves2_chance", tree_def.leaves2_chance); + } + getintfield(L, 2, "angle", tree_def.angle); + getintfield(L, 2, "iterations", tree_def.iterations); + getintfield(L, 2, "random_level", tree_def.iterations_random_level); + getstringfield(L, 2, "trunk_type", tree_def.trunk_type); + getboolfield(L, 2, "thin_branches", tree_def.thin_branches); + tree_def.fruit_chance=0; + getstringfield(L, 2, "fruit", fruit); + if (fruit != "") + { + tree_def.fruitnode=ndef->getId(fruit); + getintfield(L, 2, "fruit_chance",tree_def.fruit_chance); + } + getintfield(L, 2, "seed", tree_def.seed); + } + else + return 0; + treegen::spawn_ltree (env, p0, ndef, tree_def); + return 1; +} + +bool ModApiEnvMod::Initialize(lua_State *L,int top) +{ + + bool retval = true; + + retval &= API_FCT(set_node); + retval &= API_FCT(add_node); + retval &= API_FCT(add_item); + retval &= API_FCT(remove_node); + retval &= API_FCT(get_node); + retval &= API_FCT(get_node_or_nil); + retval &= API_FCT(get_node_light); + retval &= API_FCT(place_node); + retval &= API_FCT(dig_node); + retval &= API_FCT(punch_node); + retval &= API_FCT(add_entity); + retval &= API_FCT(get_meta); + retval &= API_FCT(get_node_timer); + retval &= API_FCT(get_player_by_name); + retval &= API_FCT(get_objects_inside_radius); + retval &= API_FCT(set_timeofday); + retval &= API_FCT(get_timeofday); + retval &= API_FCT(find_node_near); + retval &= API_FCT(find_nodes_in_area); + retval &= API_FCT(get_perlin); + retval &= API_FCT(get_perlin_map); + retval &= API_FCT(clear_objects); + retval &= API_FCT(spawn_tree); + + return retval; +} + +ModApiEnvMod modapienv_prototype; diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h new file mode 100644 index 000000000..61ecaecc8 --- /dev/null +++ b/src/script/lua_api/l_env.h @@ -0,0 +1,172 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_ENV_H_ +#define L_ENV_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include "environment.h" +#include "lua_api/l_base.h" + +class ModApiEnvMod + :public ModApiBase +{ +private: + // minetest.set_node(pos, node) + // pos = {x=num, y=num, z=num} + static int l_set_node(lua_State *L); + + static int l_add_node(lua_State *L); + + // minetest.remove_node(pos) + // pos = {x=num, y=num, z=num} + static int l_remove_node(lua_State *L); + + // minetest.get_node(pos) + // pos = {x=num, y=num, z=num} + static int l_get_node(lua_State *L); + + // minetest.get_node_or_nil(pos) + // pos = {x=num, y=num, z=num} + static int l_get_node_or_nil(lua_State *L); + + // minetest.get_node_light(pos, timeofday) + // pos = {x=num, y=num, z=num} + // timeofday: nil = current time, 0 = night, 0.5 = day + static int l_get_node_light(lua_State *L); + + // minetest.place_node(pos, node) + // pos = {x=num, y=num, z=num} + static int l_place_node(lua_State *L); + + // minetest.dig_node(pos) + // pos = {x=num, y=num, z=num} + static int l_dig_node(lua_State *L); + + // minetest.punch_node(pos) + // pos = {x=num, y=num, z=num} + static int l_punch_node(lua_State *L); + + // minetest.get_meta(pos) + static int l_get_meta(lua_State *L); + + // minetest.get_node_timer(pos) + static int l_get_node_timer(lua_State *L); + + // minetest.add_entity(pos, entityname) -> ObjectRef or nil + // pos = {x=num, y=num, z=num} + static int l_add_entity(lua_State *L); + + // minetest.add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil + // pos = {x=num, y=num, z=num} + static int l_add_item(lua_State *L); + + // minetest.get_player_by_name(name) + static int l_get_player_by_name(lua_State *L); + + // minetest.get_objects_inside_radius(pos, radius) + static int l_get_objects_inside_radius(lua_State *L); + + // minetest.set_timeofday(val) + // val = 0...1 + static int l_set_timeofday(lua_State *L); + + // minetest.get_timeofday() -> 0...1 + static int l_get_timeofday(lua_State *L); + + // minetest.find_node_near(pos, radius, nodenames) -> pos or nil + // nodenames: eg. {"ignore", "group:tree"} or "default:dirt" + static int l_find_node_near(lua_State *L); + + // minetest.find_nodes_in_area(minp, maxp, nodenames) -> list of positions + // nodenames: eg. {"ignore", "group:tree"} or "default:dirt" + static int l_find_nodes_in_area(lua_State *L); + + // minetest.get_perlin(seeddiff, octaves, persistence, scale) + // returns world-specific PerlinNoise + static int l_get_perlin(lua_State *L); + + // minetest.get_perlin_map(noiseparams, size) + // returns world-specific PerlinNoiseMap + static int l_get_perlin_map(lua_State *L); + + // minetest.clear_objects() + // clear all objects in the environment + static int l_clear_objects(lua_State *L); + + // minetest.spawn_tree(pos, treedef) + static int l_spawn_tree(lua_State *L); + + // minetest.line_of_sight(pos1, pos2, stepsize) -> true/false + static int l_line_of_sight(lua_State *L); + + // minetest.find_path(pos1, pos2, searchdistance, + // max_jump, max_drop, algorithm) -> table containing path + static int l_find_path(lua_State *L); + +public: + bool Initialize(lua_State *L, int top); +}; + +class LuaABM : public ActiveBlockModifier +{ +private: + int m_id; + + std::set<std::string> m_trigger_contents; + std::set<std::string> m_required_neighbors; + float m_trigger_interval; + u32 m_trigger_chance; +public: + LuaABM(lua_State *L, int id, + const std::set<std::string> &trigger_contents, + const std::set<std::string> &required_neighbors, + float trigger_interval, u32 trigger_chance): + m_id(id), + m_trigger_contents(trigger_contents), + m_required_neighbors(required_neighbors), + m_trigger_interval(trigger_interval), + m_trigger_chance(trigger_chance) + { + } + virtual std::set<std::string> getTriggerContents() + { + return m_trigger_contents; + } + virtual std::set<std::string> getRequiredNeighbors() + { + return m_required_neighbors; + } + virtual float getTriggerInterval() + { + return m_trigger_interval; + } + virtual u32 getTriggerChance() + { + return m_trigger_chance; + } + virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n, + u32 active_object_count, u32 active_object_count_wider); +}; + +#endif /* L_ENV_H_ */ diff --git a/src/script/lua_api/l_inventory.cpp b/src/script/lua_api/l_inventory.cpp new file mode 100644 index 000000000..884b33e67 --- /dev/null +++ b/src/script/lua_api/l_inventory.cpp @@ -0,0 +1,483 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "lua_api/l_inventory.h" +#include "lua_api/l_item.h" +#include "common/c_internal.h" +#include "server.h" +#include "log.h" +#include "inventorymanager.h" + +/* + InvRef +*/ +InvRef* InvRef::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(InvRef**)ud; // unbox pointer +} + +Inventory* InvRef::getinv(lua_State *L, InvRef *ref) +{ + return STACK_TO_SERVER(L)->getInventory(ref->m_loc); +} + +InventoryList* InvRef::getlist(lua_State *L, InvRef *ref, + const char *listname) +{ + NO_MAP_LOCK_REQUIRED; + Inventory *inv = getinv(L, ref); + if(!inv) + return NULL; + return inv->getList(listname); +} + +void InvRef::reportInventoryChange(lua_State *L, InvRef *ref) +{ + // Inform other things that the inventory has changed + STACK_TO_SERVER(L)->setInventoryModified(ref->m_loc); +} + +// Exported functions + +// garbage collector +int InvRef::gc_object(lua_State *L) { + InvRef *o = *(InvRef **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +// is_empty(self, listname) -> true/false +int InvRef::l_is_empty(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + InventoryList *list = getlist(L, ref, listname); + if(list && list->getUsedSlots() > 0){ + lua_pushboolean(L, false); + } else { + lua_pushboolean(L, true); + } + return 1; +} + +// get_size(self, listname) +int InvRef::l_get_size(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + InventoryList *list = getlist(L, ref, listname); + if(list){ + lua_pushinteger(L, list->getSize()); + } else { + lua_pushinteger(L, 0); + } + return 1; +} + +// get_width(self, listname) +int InvRef::l_get_width(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + InventoryList *list = getlist(L, ref, listname); + if(list){ + lua_pushinteger(L, list->getWidth()); + } else { + lua_pushinteger(L, 0); + } + return 1; +} + +// set_size(self, listname, size) +int InvRef::l_set_size(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + int newsize = luaL_checknumber(L, 3); + Inventory *inv = getinv(L, ref); + if(newsize == 0){ + inv->deleteList(listname); + reportInventoryChange(L, ref); + return 0; + } + InventoryList *list = inv->getList(listname); + if(list){ + list->setSize(newsize); + } else { + list = inv->addList(listname, newsize); + } + reportInventoryChange(L, ref); + return 0; +} + +// set_width(self, listname, size) +int InvRef::l_set_width(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + int newwidth = luaL_checknumber(L, 3); + Inventory *inv = getinv(L, ref); + InventoryList *list = inv->getList(listname); + if(list){ + list->setWidth(newwidth); + } else { + return 0; + } + reportInventoryChange(L, ref); + return 0; +} + +// get_stack(self, listname, i) -> itemstack +int InvRef::l_get_stack(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + int i = luaL_checknumber(L, 3) - 1; + InventoryList *list = getlist(L, ref, listname); + ItemStack item; + if(list != NULL && i >= 0 && i < (int) list->getSize()) + item = list->getItem(i); + LuaItemStack::create(L, item); + return 1; +} + +// set_stack(self, listname, i, stack) -> true/false +int InvRef::l_set_stack(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + int i = luaL_checknumber(L, 3) - 1; + ItemStack newitem = read_item(L, 4,STACK_TO_SERVER(L)); + InventoryList *list = getlist(L, ref, listname); + if(list != NULL && i >= 0 && i < (int) list->getSize()){ + list->changeItem(i, newitem); + reportInventoryChange(L, ref); + lua_pushboolean(L, true); + } else { + lua_pushboolean(L, false); + } + return 1; +} + +// get_list(self, listname) -> list or nil +int InvRef::l_get_list(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + Inventory *inv = getinv(L, ref); + push_inventory_list(inv, listname, L); + return 1; +} + +// set_list(self, listname, list) +int InvRef::l_set_list(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + Inventory *inv = getinv(L, ref); + InventoryList *list = inv->getList(listname); + if(list) + read_inventory_list(inv, listname, L, 3, + STACK_TO_SERVER(L),list->getSize()); + else + read_inventory_list(inv, listname, L, 3,STACK_TO_SERVER(L)); + reportInventoryChange(L, ref); + return 0; +} + +// add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack +// Returns the leftover stack +int InvRef::l_add_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + ItemStack item = read_item(L, 3,STACK_TO_SERVER(L)); + InventoryList *list = getlist(L, ref, listname); + if(list){ + ItemStack leftover = list->addItem(item); + if(leftover.count != item.count) + reportInventoryChange(L, ref); + LuaItemStack::create(L, leftover); + } else { + LuaItemStack::create(L, item); + } + return 1; +} + +// room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false +// Returns true if the item completely fits into the list +int InvRef::l_room_for_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + ItemStack item = read_item(L, 3,STACK_TO_SERVER(L)); + InventoryList *list = getlist(L, ref, listname); + if(list){ + lua_pushboolean(L, list->roomForItem(item)); + } else { + lua_pushboolean(L, false); + } + return 1; +} + +// contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false +// Returns true if the list contains the given count of the given item name +int InvRef::l_contains_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + ItemStack item = read_item(L, 3, STACK_TO_SERVER(L)); + InventoryList *list = getlist(L, ref, listname); + if(list){ + lua_pushboolean(L, list->containsItem(item)); + } else { + lua_pushboolean(L, false); + } + return 1; +} + +// remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack +// Returns the items that were actually removed +int InvRef::l_remove_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const char *listname = luaL_checkstring(L, 2); + ItemStack item = read_item(L, 3,STACK_TO_SERVER(L)); + InventoryList *list = getlist(L, ref, listname); + if(list){ + ItemStack removed = list->removeItem(item); + if(!removed.empty()) + reportInventoryChange(L, ref); + LuaItemStack::create(L, removed); + } else { + LuaItemStack::create(L, ItemStack()); + } + return 1; +} + +// get_location() -> location (like minetest.get_inventory(location)) +int InvRef::l_get_location(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *ref = checkobject(L, 1); + const InventoryLocation &loc = ref->m_loc; + switch(loc.type){ + case InventoryLocation::PLAYER: + lua_newtable(L); + lua_pushstring(L, "player"); + lua_setfield(L, -2, "type"); + lua_pushstring(L, loc.name.c_str()); + lua_setfield(L, -2, "name"); + return 1; + case InventoryLocation::NODEMETA: + lua_newtable(L); + lua_pushstring(L, "nodemeta"); + lua_setfield(L, -2, "type"); + push_v3s16(L, loc.p); + lua_setfield(L, -2, "name"); + return 1; + case InventoryLocation::DETACHED: + lua_newtable(L); + lua_pushstring(L, "detached"); + lua_setfield(L, -2, "type"); + lua_pushstring(L, loc.name.c_str()); + lua_setfield(L, -2, "name"); + return 1; + case InventoryLocation::UNDEFINED: + case InventoryLocation::CURRENT_PLAYER: + break; + } + lua_newtable(L); + lua_pushstring(L, "undefined"); + lua_setfield(L, -2, "type"); + return 1; +} + + +InvRef::InvRef(const InventoryLocation &loc): + m_loc(loc) +{ +} + +InvRef::~InvRef() +{ +} + +// Creates an InvRef and leaves it on top of stack +// Not callable from Lua; all references are created on the C side. +void InvRef::create(lua_State *L, const InventoryLocation &loc) +{ + NO_MAP_LOCK_REQUIRED; + InvRef *o = new InvRef(loc); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); +} +void InvRef::createPlayer(lua_State *L, Player *player) +{ + NO_MAP_LOCK_REQUIRED; + InventoryLocation loc; + loc.setPlayer(player->getName()); + create(L, loc); +} +void InvRef::createNodeMeta(lua_State *L, v3s16 p) +{ + InventoryLocation loc; + loc.setNodeMeta(p); + create(L, loc); +} + +void InvRef::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Cannot be created from Lua + //lua_register(L, className, create_object); +} + +const char InvRef::className[] = "InvRef"; +const luaL_reg InvRef::methods[] = { + luamethod(InvRef, is_empty), + luamethod(InvRef, get_size), + luamethod(InvRef, set_size), + luamethod(InvRef, get_width), + luamethod(InvRef, set_width), + luamethod(InvRef, get_stack), + luamethod(InvRef, set_stack), + luamethod(InvRef, get_list), + luamethod(InvRef, set_list), + luamethod(InvRef, add_item), + luamethod(InvRef, room_for_item), + luamethod(InvRef, contains_item), + luamethod(InvRef, remove_item), + luamethod(InvRef, get_location), + {0,0} +}; + +// get_inventory(location) +int ModApiInventory::l_get_inventory(lua_State *L) +{ + InventoryLocation loc; + + std::string type = checkstringfield(L, 1, "type"); + + if(type != "pos"){ + NO_MAP_LOCK_REQUIRED; + + if(type == "player"){ + std::string name = checkstringfield(L, 1, "name"); + loc.setPlayer(name); + } else if(type == "detached"){ + std::string name = checkstringfield(L, 1, "name"); + loc.setDetached(name); + } + + if(getServer(L)->getInventory(loc) != NULL) + InvRef::create(L, loc); + else + lua_pushnil(L); + + return 1; + } + else { + if(type == "node"){ + lua_getfield(L, 1, "pos"); + v3s16 pos = check_v3s16(L, -1); + loc.setNodeMeta(pos); + } + if(getServer(L)->getInventory(loc) != NULL) + InvRef::create(L, loc); + else + lua_pushnil(L); + return 1; + } + +} + +// create_detached_inventory_raw(name) +int ModApiInventory::l_create_detached_inventory_raw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + if(getServer(L)->createDetachedInventory(name) != NULL){ + InventoryLocation loc; + loc.setDetached(name); + InvRef::create(L, loc); + }else{ + lua_pushnil(L); + } + return 1; +} + +bool ModApiInventory::Initialize(lua_State *L, int top) { + bool retval = true; + + retval &= API_FCT(create_detached_inventory_raw); + retval &= API_FCT(get_inventory); + + InvRef::Register(L); + + return retval; +} + +ModApiInventory::ModApiInventory() + : ModApiBase() { + +} + +ModApiInventory modapiinventory_prototype; diff --git a/src/script/lua_api/l_inventory.h b/src/script/lua_api/l_inventory.h new file mode 100644 index 000000000..83e8039b8 --- /dev/null +++ b/src/script/lua_api/l_inventory.h @@ -0,0 +1,137 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_INVENTORY_H_ +#define L_INVENTORY_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include "inventorymanager.h" +#include "player.h" +#include "serverobject.h" +#include "inventory.h" + +#include "lua_api/l_base.h" +/* + InvRef +*/ + +class InvRef +{ +private: + InventoryLocation m_loc; + + static const char className[]; + static const luaL_reg methods[]; + + static InvRef *checkobject(lua_State *L, int narg); + + static Inventory* getinv(lua_State *L, InvRef *ref); + + static InventoryList* getlist(lua_State *L, InvRef *ref, + const char *listname); + + static void reportInventoryChange(lua_State *L, InvRef *ref); + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + // is_empty(self, listname) -> true/false + static int l_is_empty(lua_State *L); + + // get_size(self, listname) + static int l_get_size(lua_State *L); + + // get_width(self, listname) + static int l_get_width(lua_State *L); + + // set_size(self, listname, size) + static int l_set_size(lua_State *L); + + // set_width(self, listname, size) + static int l_set_width(lua_State *L); + + // get_stack(self, listname, i) -> itemstack + static int l_get_stack(lua_State *L); + + // set_stack(self, listname, i, stack) -> true/false + static int l_set_stack(lua_State *L); + + // get_list(self, listname) -> list or nil + static int l_get_list(lua_State *L); + + // set_list(self, listname, list) + static int l_set_list(lua_State *L); + + // add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack + // Returns the leftover stack + static int l_add_item(lua_State *L); + + // room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false + // Returns true if the item completely fits into the list + static int l_room_for_item(lua_State *L); + + // contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false + // Returns true if the list contains the given count of the given item name + static int l_contains_item(lua_State *L); + + // remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack + // Returns the items that were actually removed + static int l_remove_item(lua_State *L); + + // get_location() -> location (like minetest.get_inventory(location)) + static int l_get_location(lua_State *L); + +public: + InvRef(const InventoryLocation &loc); + + ~InvRef(); + + // Creates an InvRef and leaves it on top of stack + // Not callable from Lua; all references are created on the C side. + static void create(lua_State *L, const InventoryLocation &loc); + static void createPlayer(lua_State *L, Player *player); + static void createNodeMeta(lua_State *L, v3s16 p); + static void Register(lua_State *L); +}; + +class ModApiInventory + : public ModApiBase +{ +public: + ModApiInventory(); + + bool Initialize(lua_State *L, int top); + + static int l_create_detached_inventory_raw(lua_State *L); + static int l_get_inventory(lua_State *L); +private: + static void inventory_set_list_from_lua(Inventory *inv, const char *name, + lua_State *L, int tableindex, int forcesize); + static void inventory_get_list_to_lua(Inventory *inv, const char *name, + lua_State *L); + +}; + +#endif /* L_INVENTORY_H_ */ diff --git a/src/script/lua_api/l_item.cpp b/src/script/lua_api/l_item.cpp new file mode 100644 index 000000000..e9997d489 --- /dev/null +++ b/src/script/lua_api/l_item.cpp @@ -0,0 +1,472 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "lua_api/l_item.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "cpp_api/scriptapi.h" +#include "server.h" +#include "common/c_internal.h" + +// garbage collector +int LuaItemStack::gc_object(lua_State *L) +{ + LuaItemStack *o = *(LuaItemStack **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +// is_empty(self) -> true/false +int LuaItemStack::l_is_empty(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushboolean(L, item.empty()); + return 1; +} + +// get_name(self) -> string +int LuaItemStack::l_get_name(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushstring(L, item.name.c_str()); + return 1; +} + +// get_count(self) -> number +int LuaItemStack::l_get_count(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushinteger(L, item.count); + return 1; +} + +// get_wear(self) -> number +int LuaItemStack::l_get_wear(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushinteger(L, item.wear); + return 1; +} + +// get_metadata(self) -> string +int LuaItemStack::l_get_metadata(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushlstring(L, item.metadata.c_str(), item.metadata.size()); + return 1; +} + +// clear(self) -> true +int LuaItemStack::l_clear(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + o->m_stack.clear(); + lua_pushboolean(L, true); + return 1; +} + +// replace(self, itemstack or itemstring or table or nil) -> true +int LuaItemStack::l_replace(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + o->m_stack = read_item(L,2,STACK_TO_SERVER(L)); + lua_pushboolean(L, true); + return 1; +} + +// to_string(self) -> string +int LuaItemStack::l_to_string(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + std::string itemstring = o->m_stack.getItemString(); + lua_pushstring(L, itemstring.c_str()); + return 1; +} + +// to_table(self) -> table or nil +int LuaItemStack::l_to_table(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + const ItemStack &item = o->m_stack; + if(item.empty()) + { + lua_pushnil(L); + } + else + { + lua_newtable(L); + lua_pushstring(L, item.name.c_str()); + lua_setfield(L, -2, "name"); + lua_pushinteger(L, item.count); + lua_setfield(L, -2, "count"); + lua_pushinteger(L, item.wear); + lua_setfield(L, -2, "wear"); + lua_pushlstring(L, item.metadata.c_str(), item.metadata.size()); + lua_setfield(L, -2, "metadata"); + } + return 1; +} + +// get_stack_max(self) -> number +int LuaItemStack::l_get_stack_max(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushinteger(L, item.getStackMax(STACK_TO_SERVER(L)->idef())); + return 1; +} + +// get_free_space(self) -> number +int LuaItemStack::l_get_free_space(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + lua_pushinteger(L, item.freeSpace(STACK_TO_SERVER(L)->idef())); + return 1; +} + +// is_known(self) -> true/false +// Checks if the item is defined. +int LuaItemStack::l_is_known(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + bool is_known = item.isKnown(STACK_TO_SERVER(L)->idef()); + lua_pushboolean(L, is_known); + return 1; +} + +// get_definition(self) -> table +// Returns the item definition table from minetest.registered_items, +// or a fallback one (name="unknown") +int LuaItemStack::l_get_definition(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + + // Get minetest.registered_items[name] + lua_getglobal(L, "minetest"); + lua_getfield(L, -1, "registered_items"); + luaL_checktype(L, -1, LUA_TTABLE); + lua_getfield(L, -1, item.name.c_str()); + if(lua_isnil(L, -1)) + { + lua_pop(L, 1); + lua_getfield(L, -1, "unknown"); + } + return 1; +} + +// get_tool_capabilities(self) -> table +// Returns the effective tool digging properties. +// Returns those of the hand ("") if this item has none associated. +int LuaItemStack::l_get_tool_capabilities(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + const ToolCapabilities &prop = + item.getToolCapabilities(STACK_TO_SERVER(L)->idef()); + push_tool_capabilities(L, prop); + return 1; +} + +// add_wear(self, amount) -> true/false +// The range for "amount" is [0,65535]. Wear is only added if the item +// is a tool. Adding wear might destroy the item. +// Returns true if the item is (or was) a tool. +int LuaItemStack::l_add_wear(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + int amount = lua_tointeger(L, 2); + bool result = item.addWear(amount, STACK_TO_SERVER(L)->idef()); + lua_pushboolean(L, result); + return 1; +} + +// add_item(self, itemstack or itemstring or table or nil) -> itemstack +// Returns leftover item stack +int LuaItemStack::l_add_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + ItemStack newitem = read_item(L,-2, STACK_TO_SERVER(L)); + ItemStack leftover = item.addItem(newitem, STACK_TO_SERVER(L)->idef()); + create(L, leftover); + return 1; +} + +// item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack +// First return value is true iff the new item fits fully into the stack +// Second return value is the would-be-left-over item stack +int LuaItemStack::l_item_fits(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + ItemStack newitem = read_item(L, 2 ,STACK_TO_SERVER(L)); + ItemStack restitem; + bool fits = item.itemFits(newitem, &restitem, STACK_TO_SERVER(L)->idef()); + lua_pushboolean(L, fits); // first return value + create(L, restitem); // second return value + return 2; +} + +// take_item(self, takecount=1) -> itemstack +int LuaItemStack::l_take_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + u32 takecount = 1; + if(!lua_isnone(L, 2)) + takecount = luaL_checkinteger(L, 2); + ItemStack taken = item.takeItem(takecount); + create(L, taken); + return 1; +} + +// peek_item(self, peekcount=1) -> itemstack +int LuaItemStack::l_peek_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = checkobject(L, 1); + ItemStack &item = o->m_stack; + u32 peekcount = 1; + if(!lua_isnone(L, 2)) + peekcount = lua_tointeger(L, 2); + ItemStack peekaboo = item.peekItem(peekcount); + create(L, peekaboo); + return 1; +} + +LuaItemStack::LuaItemStack(const ItemStack &item): + m_stack(item) +{ +} + +LuaItemStack::~LuaItemStack() +{ +} + +const ItemStack& LuaItemStack::getItem() const +{ + return m_stack; +} +ItemStack& LuaItemStack::getItem() +{ + return m_stack; +} + +// LuaItemStack(itemstack or itemstring or table or nil) +// Creates an LuaItemStack and leaves it on top of stack +int LuaItemStack::create_object(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ItemStack item = read_item(L,1,STACK_TO_SERVER(L)); + LuaItemStack *o = new LuaItemStack(item); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); + return 1; +} +// Not callable from Lua +int LuaItemStack::create(lua_State *L, const ItemStack &item) +{ + NO_MAP_LOCK_REQUIRED; + LuaItemStack *o = new LuaItemStack(item); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); + return 1; +} + +LuaItemStack* LuaItemStack::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(LuaItemStack**)ud; // unbox pointer +} + +void LuaItemStack::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Can be created from Lua (LuaItemStack(itemstack or itemstring or table or nil)) + lua_register(L, className, create_object); +} + +const char LuaItemStack::className[] = "ItemStack"; +const luaL_reg LuaItemStack::methods[] = { + luamethod(LuaItemStack, is_empty), + luamethod(LuaItemStack, get_name), + luamethod(LuaItemStack, get_count), + luamethod(LuaItemStack, get_wear), + luamethod(LuaItemStack, get_metadata), + luamethod(LuaItemStack, clear), + luamethod(LuaItemStack, replace), + luamethod(LuaItemStack, to_string), + luamethod(LuaItemStack, to_table), + luamethod(LuaItemStack, get_stack_max), + luamethod(LuaItemStack, get_free_space), + luamethod(LuaItemStack, is_known), + luamethod(LuaItemStack, get_definition), + luamethod(LuaItemStack, get_tool_capabilities), + luamethod(LuaItemStack, add_wear), + luamethod(LuaItemStack, add_item), + luamethod(LuaItemStack, item_fits), + luamethod(LuaItemStack, take_item), + luamethod(LuaItemStack, peek_item), + {0,0} +}; + +ModApiItemMod::ModApiItemMod() { +} + +/* + ItemDefinition +*/ + +// register_item_raw({lots of stuff}) +int ModApiItemMod::l_register_item_raw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + luaL_checktype(L, 1, LUA_TTABLE); + int table = 1; + + ScriptApi* scriptIface = get_scriptapi(L); + + // Get the writable item and node definition managers from the server + IWritableItemDefManager *idef = + scriptIface->getServer()->getWritableItemDefManager(); + IWritableNodeDefManager *ndef = + scriptIface->getServer()->getWritableNodeDefManager(); + + // Check if name is defined + std::string name; + lua_getfield(L, table, "name"); + if(lua_isstring(L, -1)){ + name = lua_tostring(L, -1); + verbosestream<<"register_item_raw: "<<name<<std::endl; + } else { + throw LuaError(L, "register_item_raw: name is not defined or not a string"); + } + + // Check if on_use is defined + + ItemDefinition def; + // Set a distinctive default value to check if this is set + def.node_placement_prediction = "__default"; + + // Read the item definition + def = read_item_definition(L, table, def); + + // Default to having client-side placement prediction for nodes + // ("" in item definition sets it off) + if(def.node_placement_prediction == "__default"){ + if(def.type == ITEM_NODE) + def.node_placement_prediction = name; + else + def.node_placement_prediction = ""; + } + + // Register item definition + idef->registerItem(def); + + // Read the node definition (content features) and register it + if(def.type == ITEM_NODE) + { + ContentFeatures f = read_content_features(L, table); + ndef->set(f.name, f); + } + + return 0; /* number of results */ +} + +// register_alias_raw(name, convert_to_name) +int ModApiItemMod::l_register_alias_raw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string name = luaL_checkstring(L, 1); + std::string convert_to = luaL_checkstring(L, 2); + + // Get the writable item definition manager from the server + IWritableItemDefManager *idef = + STACK_TO_SERVER(L)->getWritableItemDefManager(); + + idef->registerAlias(name, convert_to); + + return 0; /* number of results */ +} + +bool ModApiItemMod::Initialize(lua_State *L,int top) { + + bool retval = true; + + retval &= API_FCT(register_item_raw); + retval &= API_FCT(register_alias_raw); + + LuaItemStack::Register(L); + + return retval; +} + +ModApiItemMod modapi_item_prototyp; diff --git a/src/script/lua_api/l_item.h b/src/script/lua_api/l_item.h new file mode 100644 index 000000000..cbed4ae0b --- /dev/null +++ b/src/script/lua_api/l_item.h @@ -0,0 +1,151 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_ITEM_H_ +#define L_ITEM_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include <vector> + +#include "itemdef.h" +#include "content_sao.h" +#include "util/pointedthing.h" +#include "inventory.h" + +#include "lua_api/l_base.h" + +class ModApiInventory; + +class LuaItemStack +{ +private: + ItemStack m_stack; + + static const char className[]; + static const luaL_reg methods[]; + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + // is_empty(self) -> true/false + static int l_is_empty(lua_State *L); + + // get_name(self) -> string + static int l_get_name(lua_State *L); + + // get_count(self) -> number + static int l_get_count(lua_State *L); + + // get_wear(self) -> number + static int l_get_wear(lua_State *L); + + // get_metadata(self) -> string + static int l_get_metadata(lua_State *L); + + // clear(self) -> true + static int l_clear(lua_State *L); + + // replace(self, itemstack or itemstring or table or nil) -> true + static int l_replace(lua_State *L); + + // to_string(self) -> string + static int l_to_string(lua_State *L); + + // to_table(self) -> table or nil + static int l_to_table(lua_State *L); + + // get_stack_max(self) -> number + static int l_get_stack_max(lua_State *L); + + // get_free_space(self) -> number + static int l_get_free_space(lua_State *L); + + // is_known(self) -> true/false + // Checks if the item is defined. + static int l_is_known(lua_State *L); + + // get_definition(self) -> table + // Returns the item definition table from minetest.registered_items, + // or a fallback one (name="unknown") + static int l_get_definition(lua_State *L); + + // get_tool_capabilities(self) -> table + // Returns the effective tool digging properties. + // Returns those of the hand ("") if this item has none associated. + static int l_get_tool_capabilities(lua_State *L); + + // add_wear(self, amount) -> true/false + // The range for "amount" is [0,65535]. Wear is only added if the item + // is a tool. Adding wear might destroy the item. + // Returns true if the item is (or was) a tool. + static int l_add_wear(lua_State *L); + + // add_item(self, itemstack or itemstring or table or nil) -> itemstack + // Returns leftover item stack + static int l_add_item(lua_State *L); + + // item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack + // First return value is true iff the new item fits fully into the stack + // Second return value is the would-be-left-over item stack + static int l_item_fits(lua_State *L); + + // take_item(self, takecount=1) -> itemstack + static int l_take_item(lua_State *L); + + // peek_item(self, peekcount=1) -> itemstack + static int l_peek_item(lua_State *L); + +public: + LuaItemStack(const ItemStack &item); + ~LuaItemStack(); + + const ItemStack& getItem() const; + ItemStack& getItem(); + + // LuaItemStack(itemstack or itemstring or table or nil) + // Creates an LuaItemStack and leaves it on top of stack + static int create_object(lua_State *L); + // Not callable from Lua + static int create(lua_State *L, const ItemStack &item); + static LuaItemStack* checkobject(lua_State *L, int narg); + static void Register(lua_State *L); + +}; + +class ModApiItemMod + :virtual public ModApiBase +{ +public: + ModApiItemMod(); + + bool Initialize(lua_State *L,int top); + + static int l_register_item_raw(lua_State *L); + static int l_register_alias_raw(lua_State *L); +}; + + + +#endif /* L_ITEM_H_ */ diff --git a/src/script/lua_api/l_nodemeta.cpp b/src/script/lua_api/l_nodemeta.cpp new file mode 100644 index 000000000..511fb38ce --- /dev/null +++ b/src/script/lua_api/l_nodemeta.cpp @@ -0,0 +1,332 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "map.h" +#include "lua_api/l_nodemeta.h" +#include "common/c_internal.h" +#include "lua_api/l_inventory.h" + + +/* + NodeMetaRef +*/ +NodeMetaRef* NodeMetaRef::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(NodeMetaRef**)ud; // unbox pointer +} + +NodeMetadata* NodeMetaRef::getmeta(NodeMetaRef *ref, bool auto_create) +{ + NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p); + if(meta == NULL && auto_create) + { + meta = new NodeMetadata(ref->m_env->getGameDef()); + ref->m_env->getMap().setNodeMetadata(ref->m_p, meta); + } + return meta; +} + +void NodeMetaRef::reportMetadataChange(NodeMetaRef *ref) +{ + // NOTE: This same code is in rollback_interface.cpp + // Inform other things that the metadata has changed + v3s16 blockpos = getNodeBlockPos(ref->m_p); + MapEditEvent event; + event.type = MEET_BLOCK_NODE_METADATA_CHANGED; + event.p = blockpos; + ref->m_env->getMap().dispatchEvent(&event); + // Set the block to be saved + MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos); + if(block) + block->raiseModified(MOD_STATE_WRITE_NEEDED, + "NodeMetaRef::reportMetadataChange"); +} + +// Exported functions + +// garbage collector +int NodeMetaRef::gc_object(lua_State *L) { + NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +// get_string(self, name) +int NodeMetaRef::l_get_string(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = luaL_checkstring(L, 2); + + NodeMetadata *meta = getmeta(ref, false); + if(meta == NULL){ + lua_pushlstring(L, "", 0); + return 1; + } + std::string str = meta->getString(name); + lua_pushlstring(L, str.c_str(), str.size()); + return 1; +} + +// set_string(self, name, var) +int NodeMetaRef::l_set_string(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = luaL_checkstring(L, 2); + size_t len = 0; + const char *s = lua_tolstring(L, 3, &len); + std::string str(s, len); + + NodeMetadata *meta = getmeta(ref, !str.empty()); + if(meta == NULL || str == meta->getString(name)) + return 0; + meta->setString(name, str); + reportMetadataChange(ref); + return 0; +} + +// get_int(self, name) +int NodeMetaRef::l_get_int(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = lua_tostring(L, 2); + + NodeMetadata *meta = getmeta(ref, false); + if(meta == NULL){ + lua_pushnumber(L, 0); + return 1; + } + std::string str = meta->getString(name); + lua_pushnumber(L, stoi(str)); + return 1; +} + +// set_int(self, name, var) +int NodeMetaRef::l_set_int(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = lua_tostring(L, 2); + int a = lua_tointeger(L, 3); + std::string str = itos(a); + + NodeMetadata *meta = getmeta(ref, true); + if(meta == NULL || str == meta->getString(name)) + return 0; + meta->setString(name, str); + reportMetadataChange(ref); + return 0; +} + +// get_float(self, name) +int NodeMetaRef::l_get_float(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = lua_tostring(L, 2); + + NodeMetadata *meta = getmeta(ref, false); + if(meta == NULL){ + lua_pushnumber(L, 0); + return 1; + } + std::string str = meta->getString(name); + lua_pushnumber(L, stof(str)); + return 1; +} + +// set_float(self, name, var) +int NodeMetaRef::l_set_float(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + std::string name = lua_tostring(L, 2); + float a = lua_tonumber(L, 3); + std::string str = ftos(a); + + NodeMetadata *meta = getmeta(ref, true); + if(meta == NULL || str == meta->getString(name)) + return 0; + meta->setString(name, str); + reportMetadataChange(ref); + return 0; +} + +// get_inventory(self) +int NodeMetaRef::l_get_inventory(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + getmeta(ref, true); // try to ensure the metadata exists + InvRef::createNodeMeta(L, ref->m_p); + return 1; +} + +// to_table(self) +int NodeMetaRef::l_to_table(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + + NodeMetadata *meta = getmeta(ref, true); + if(meta == NULL){ + lua_pushnil(L); + return 1; + } + lua_newtable(L); + // fields + lua_newtable(L); + { + std::map<std::string, std::string> fields = meta->getStrings(); + for(std::map<std::string, std::string>::const_iterator + i = fields.begin(); i != fields.end(); i++){ + const std::string &name = i->first; + const std::string &value = i->second; + lua_pushlstring(L, name.c_str(), name.size()); + lua_pushlstring(L, value.c_str(), value.size()); + lua_settable(L, -3); + } + } + lua_setfield(L, -2, "fields"); + // inventory + lua_newtable(L); + Inventory *inv = meta->getInventory(); + if(inv){ + std::vector<const InventoryList*> lists = inv->getLists(); + for(std::vector<const InventoryList*>::const_iterator + i = lists.begin(); i != lists.end(); i++){ + push_inventory_list(inv, (*i)->getName().c_str(), L); + lua_setfield(L, -2, (*i)->getName().c_str()); + } + } + lua_setfield(L, -2, "inventory"); + return 1; +} + +// from_table(self, table) +int NodeMetaRef::l_from_table(lua_State *L) +{ + NodeMetaRef *ref = checkobject(L, 1); + int base = 2; + + if(lua_isnil(L, base)){ + // No metadata + ref->m_env->getMap().removeNodeMetadata(ref->m_p); + lua_pushboolean(L, true); + return 1; + } + + // Has metadata; clear old one first + ref->m_env->getMap().removeNodeMetadata(ref->m_p); + // Create new metadata + NodeMetadata *meta = getmeta(ref, true); + // Set fields + lua_getfield(L, base, "fields"); + int fieldstable = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, fieldstable) != 0){ + // key at index -2 and value at index -1 + std::string name = lua_tostring(L, -2); + size_t cl; + const char *cs = lua_tolstring(L, -1, &cl); + std::string value(cs, cl); + meta->setString(name, value); + lua_pop(L, 1); // removes value, keeps key for next iteration + } + // Set inventory + Inventory *inv = meta->getInventory(); + lua_getfield(L, base, "inventory"); + int inventorytable = lua_gettop(L); + lua_pushnil(L); + while(lua_next(L, inventorytable) != 0){ + // key at index -2 and value at index -1 + std::string name = lua_tostring(L, -2); + read_inventory_list(inv, name.c_str(), L, -1,STACK_TO_SERVER(L)); + lua_pop(L, 1); // removes value, keeps key for next iteration + } + reportMetadataChange(ref); + lua_pushboolean(L, true); + return 1; +} + + +NodeMetaRef::NodeMetaRef(v3s16 p, ServerEnvironment *env): + m_p(p), + m_env(env) +{ +} + +NodeMetaRef::~NodeMetaRef() +{ +} + +// Creates an NodeMetaRef and leaves it on top of stack +// Not callable from Lua; all references are created on the C side. +void NodeMetaRef::create(lua_State *L, v3s16 p, ServerEnvironment *env) +{ + NodeMetaRef *o = new NodeMetaRef(p, env); + //infostream<<"NodeMetaRef::create: o="<<o<<std::endl; + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); +} + +void NodeMetaRef::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Cannot be created from Lua + //lua_register(L, className, create_object); +} + +const char NodeMetaRef::className[] = "NodeMetaRef"; +const luaL_reg NodeMetaRef::methods[] = { + luamethod(NodeMetaRef, get_string), + luamethod(NodeMetaRef, set_string), + luamethod(NodeMetaRef, get_int), + luamethod(NodeMetaRef, set_int), + luamethod(NodeMetaRef, get_float), + luamethod(NodeMetaRef, set_float), + luamethod(NodeMetaRef, get_inventory), + luamethod(NodeMetaRef, to_table), + luamethod(NodeMetaRef, from_table), + {0,0} +}; + +REGISTER_LUA_REF(NodeMetaRef); diff --git a/src/script/lua_api/l_nodemeta.h b/src/script/lua_api/l_nodemeta.h new file mode 100644 index 000000000..23404a084 --- /dev/null +++ b/src/script/lua_api/l_nodemeta.h @@ -0,0 +1,93 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#ifndef L_NODEMETA_H_ +#define L_NODEMETA_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include "environment.h" +#include "nodemetadata.h" + +/* + NodeMetaRef +*/ + +class NodeMetaRef +{ +private: + v3s16 m_p; + ServerEnvironment *m_env; + + static const char className[]; + static const luaL_reg methods[]; + + static NodeMetaRef *checkobject(lua_State *L, int narg); + + static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create); + + static void reportMetadataChange(NodeMetaRef *ref); + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + // get_string(self, name) + static int l_get_string(lua_State *L); + + // set_string(self, name, var) + static int l_set_string(lua_State *L); + + // get_int(self, name) + static int l_get_int(lua_State *L); + + // set_int(self, name, var) + static int l_set_int(lua_State *L); + + // get_float(self, name) + static int l_get_float(lua_State *L); + + // set_float(self, name, var) + static int l_set_float(lua_State *L); + + // get_inventory(self) + static int l_get_inventory(lua_State *L); + + // to_table(self) + static int l_to_table(lua_State *L); + + // from_table(self, table) + static int l_from_table(lua_State *L); + +public: + NodeMetaRef(v3s16 p, ServerEnvironment *env); + + ~NodeMetaRef(); + + // Creates an NodeMetaRef and leaves it on top of stack + // Not callable from Lua; all references are created on the C side. + static void create(lua_State *L, v3s16 p, ServerEnvironment *env); + + static void Register(lua_State *L); +}; + +#endif //L_NODEMETA_H_ diff --git a/src/script/lua_api/l_nodetimer.cpp b/src/script/lua_api/l_nodetimer.cpp new file mode 100644 index 000000000..60e4ec061 --- /dev/null +++ b/src/script/lua_api/l_nodetimer.cpp @@ -0,0 +1,169 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "lua_api/l_nodetimer.h" +#include "common/c_internal.h" +#include "map.h" + + +int NodeTimerRef::gc_object(lua_State *L) { + NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +NodeTimerRef* NodeTimerRef::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(NodeTimerRef**)ud; // unbox pointer +} + +int NodeTimerRef::l_set(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + f32 t = luaL_checknumber(L,2); + f32 e = luaL_checknumber(L,3); + env->getMap().setNodeTimer(o->m_p,NodeTimer(t,e)); + return 0; +} + +int NodeTimerRef::l_start(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + f32 t = luaL_checknumber(L,2); + env->getMap().setNodeTimer(o->m_p,NodeTimer(t,0)); + return 0; +} + +int NodeTimerRef::l_stop(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + env->getMap().removeNodeTimer(o->m_p); + return 0; +} + +int NodeTimerRef::l_is_started(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + + NodeTimer t = env->getMap().getNodeTimer(o->m_p); + lua_pushboolean(L,(t.timeout != 0)); + return 1; +} + +int NodeTimerRef::l_get_timeout(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + + NodeTimer t = env->getMap().getNodeTimer(o->m_p); + lua_pushnumber(L,t.timeout); + return 1; +} + +int NodeTimerRef::l_get_elapsed(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, 1); + ServerEnvironment *env = o->m_env; + if(env == NULL) return 0; + + NodeTimer t = env->getMap().getNodeTimer(o->m_p); + lua_pushnumber(L,t.elapsed); + return 1; +} + + +NodeTimerRef::NodeTimerRef(v3s16 p, ServerEnvironment *env): + m_p(p), + m_env(env) +{ +} + +NodeTimerRef::~NodeTimerRef() +{ +} + +// Creates an NodeTimerRef and leaves it on top of stack +// Not callable from Lua; all references are created on the C side. +void NodeTimerRef::create(lua_State *L, v3s16 p, ServerEnvironment *env) +{ + NodeTimerRef *o = new NodeTimerRef(p, env); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); +} + +void NodeTimerRef::set_null(lua_State *L) +{ + NodeTimerRef *o = checkobject(L, -1); + o->m_env = NULL; +} + +void NodeTimerRef::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Cannot be created from Lua + //lua_register(L, className, create_object); +} + +const char NodeTimerRef::className[] = "NodeTimerRef"; +const luaL_reg NodeTimerRef::methods[] = { + luamethod(NodeTimerRef, start), + luamethod(NodeTimerRef, set), + luamethod(NodeTimerRef, stop), + luamethod(NodeTimerRef, is_started), + luamethod(NodeTimerRef, get_timeout), + luamethod(NodeTimerRef, get_elapsed), + {0,0} +}; + +REGISTER_LUA_REF(NodeTimerRef); diff --git a/src/script/lua_api/l_nodetimer.h b/src/script/lua_api/l_nodetimer.h new file mode 100644 index 000000000..f652b4900 --- /dev/null +++ b/src/script/lua_api/l_nodetimer.h @@ -0,0 +1,70 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_NODETIMER_H_ +#define L_NODETIMER_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include "environment.h" + +class NodeTimerRef +{ +private: + v3s16 m_p; + ServerEnvironment *m_env; + + static const char className[]; + static const luaL_reg methods[]; + + static int gc_object(lua_State *L); + + static NodeTimerRef *checkobject(lua_State *L, int narg); + + static int l_set(lua_State *L); + + static int l_start(lua_State *L); + + static int l_stop(lua_State *L); + + static int l_is_started(lua_State *L); + + static int l_get_timeout(lua_State *L); + + static int l_get_elapsed(lua_State *L); + +public: + NodeTimerRef(v3s16 p, ServerEnvironment *env); + ~NodeTimerRef(); + + // Creates an NodeTimerRef and leaves it on top of stack + // Not callable from Lua; all references are created on the C side. + static void create(lua_State *L, v3s16 p, ServerEnvironment *env); + + static void set_null(lua_State *L); + + static void Register(lua_State *L); +}; + + + +#endif /* L_NODETIMER_H_ */ diff --git a/src/script/lua_api/l_noise.cpp b/src/script/lua_api/l_noise.cpp new file mode 100644 index 000000000..e0abeae94 --- /dev/null +++ b/src/script/lua_api/l_noise.cpp @@ -0,0 +1,373 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "lua_api/l_noise.h" +#include "common/c_internal.h" +#include "common/c_converter.h" +#include "log.h" + +// garbage collector +int LuaPerlinNoise::gc_object(lua_State *L) +{ + LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +int LuaPerlinNoise::l_get2d(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaPerlinNoise *o = checkobject(L, 1); + v2f pos2d = read_v2f(L,2); + lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence); + lua_pushnumber(L, val); + return 1; +} +int LuaPerlinNoise::l_get3d(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaPerlinNoise *o = checkobject(L, 1); + v3f pos3d = read_v3f(L,2); + lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence); + lua_pushnumber(L, val); + return 1; +} + + +LuaPerlinNoise::LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence, + float a_scale): + seed(a_seed), + octaves(a_octaves), + persistence(a_persistence), + scale(a_scale) +{ +} + +LuaPerlinNoise::~LuaPerlinNoise() +{ +} + +// LuaPerlinNoise(seed, octaves, persistence, scale) +// Creates an LuaPerlinNoise and leaves it on top of stack +int LuaPerlinNoise::create_object(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + int seed = luaL_checkint(L, 1); + int octaves = luaL_checkint(L, 2); + float persistence = luaL_checknumber(L, 3); + float scale = luaL_checknumber(L, 4); + LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); + return 1; +} + +LuaPerlinNoise* LuaPerlinNoise::checkobject(lua_State *L, int narg) +{ + NO_MAP_LOCK_REQUIRED; + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(LuaPerlinNoise**)ud; // unbox pointer +} + +void LuaPerlinNoise::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Can be created from Lua (PerlinNoise(seed, octaves, persistence) + lua_register(L, className, create_object); +} + +const char LuaPerlinNoise::className[] = "PerlinNoise"; +const luaL_reg LuaPerlinNoise::methods[] = { + luamethod(LuaPerlinNoise, get2d), + luamethod(LuaPerlinNoise, get3d), + {0,0} +}; + +/* + PerlinNoiseMap + */ + + +int LuaPerlinNoiseMap::gc_object(lua_State *L) +{ + LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +int LuaPerlinNoiseMap::l_get2dMap(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + int i = 0; + + LuaPerlinNoiseMap *o = checkobject(L, 1); + v2f p = read_v2f(L, 2); + + Noise *n = o->noise; + n->perlinMap2D(p.X, p.Y); + + lua_newtable(L); + for (int y = 0; y != n->sy; y++) { + lua_newtable(L); + for (int x = 0; x != n->sx; x++) { + float noiseval = n->np->offset + n->np->scale * n->result[i++]; + lua_pushnumber(L, noiseval); + lua_rawseti(L, -2, x + 1); + } + lua_rawseti(L, -2, y + 1); + } + return 1; +} + +int LuaPerlinNoiseMap::l_get3dMap(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + int i = 0; + + LuaPerlinNoiseMap *o = checkobject(L, 1); + v3f p = read_v3f(L, 2); + + Noise *n = o->noise; + n->perlinMap3D(p.X, p.Y, p.Z); + + lua_newtable(L); + for (int z = 0; z != n->sz; z++) { + lua_newtable(L); + for (int y = 0; y != n->sy; y++) { + lua_newtable(L); + for (int x = 0; x != n->sx; x++) { + lua_pushnumber(L, n->np->offset + n->np->scale * n->result[i++]); + lua_rawseti(L, -2, x + 1); + } + lua_rawseti(L, -2, y + 1); + } + lua_rawseti(L, -2, z + 1); + } + return 1; +} + +LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) { + noise = new Noise(np, seed, size.X, size.Y, size.Z); +} + +LuaPerlinNoiseMap::~LuaPerlinNoiseMap() +{ + delete noise->np; + delete noise; +} + +// LuaPerlinNoiseMap(np, size) +// Creates an LuaPerlinNoiseMap and leaves it on top of stack +int LuaPerlinNoiseMap::create_object(lua_State *L) +{ + NoiseParams *np = read_noiseparams(L, 1); + if (!np) + return 0; + v3s16 size = read_v3s16(L, 2); + + LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); + return 1; +} + +LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + + void *ud = luaL_checkudata(L, narg, className); + if (!ud) + luaL_typerror(L, narg, className); + + return *(LuaPerlinNoiseMap **)ud; // unbox pointer +} + +void LuaPerlinNoiseMap::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Can be created from Lua (PerlinNoiseMap(np, size) + lua_register(L, className, create_object); +} + +const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap"; +const luaL_reg LuaPerlinNoiseMap::methods[] = { + luamethod(LuaPerlinNoiseMap, get2dMap), + luamethod(LuaPerlinNoiseMap, get3dMap), + {0,0} +}; + +/* + LuaPseudoRandom +*/ + +// garbage collector +int LuaPseudoRandom::gc_object(lua_State *L) +{ + LuaPseudoRandom *o = *(LuaPseudoRandom **)(lua_touserdata(L, 1)); + delete o; + return 0; +} + +// next(self, min=0, max=32767) -> get next value +int LuaPseudoRandom::l_next(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + LuaPseudoRandom *o = checkobject(L, 1); + int min = 0; + int max = 32767; + lua_settop(L, 3); // Fill 2 and 3 with nil if they don't exist + if(!lua_isnil(L, 2)) + min = luaL_checkinteger(L, 2); + if(!lua_isnil(L, 3)) + max = luaL_checkinteger(L, 3); + if(max < min){ + errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl; + throw LuaError(L, "PseudoRandom.next(): max < min"); + } + if(max - min != 32767 && max - min > 32767/5) + throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make."); + PseudoRandom &pseudo = o->m_pseudo; + int val = pseudo.next(); + val = (val % (max-min+1)) + min; + lua_pushinteger(L, val); + return 1; +} + + +LuaPseudoRandom::LuaPseudoRandom(int seed): + m_pseudo(seed) +{ +} + +LuaPseudoRandom::~LuaPseudoRandom() +{ +} + +const PseudoRandom& LuaPseudoRandom::getItem() const +{ + return m_pseudo; +} +PseudoRandom& LuaPseudoRandom::getItem() +{ + return m_pseudo; +} + +// LuaPseudoRandom(seed) +// Creates an LuaPseudoRandom and leaves it on top of stack +int LuaPseudoRandom::create_object(lua_State *L) +{ + int seed = luaL_checknumber(L, 1); + LuaPseudoRandom *o = new LuaPseudoRandom(seed); + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); + return 1; +} + +LuaPseudoRandom* LuaPseudoRandom::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(LuaPseudoRandom**)ud; // unbox pointer +} + +void LuaPseudoRandom::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Can be created from Lua (LuaPseudoRandom(seed)) + lua_register(L, className, create_object); +} + +const char LuaPseudoRandom::className[] = "PseudoRandom"; +const luaL_reg LuaPseudoRandom::methods[] = { + luamethod(LuaPseudoRandom, next), + {0,0} +}; + +REGISTER_LUA_REF(LuaPseudoRandom); +REGISTER_LUA_REF(LuaPerlinNoiseMap); +REGISTER_LUA_REF(LuaPerlinNoise); diff --git a/src/script/lua_api/l_noise.h b/src/script/lua_api/l_noise.h new file mode 100644 index 000000000..d0b51d756 --- /dev/null +++ b/src/script/lua_api/l_noise.h @@ -0,0 +1,134 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_NOISE_H_ +#define L_NOISE_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +#include "irr_v3d.h" +#include "noise.h" + +class LuaPerlinNoise +{ +private: + int seed; + int octaves; + float persistence; + float scale; + static const char className[]; + static const luaL_reg methods[]; + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + static int l_get2d(lua_State *L); + static int l_get3d(lua_State *L); + +public: + LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence, + float a_scale); + + ~LuaPerlinNoise(); + + // LuaPerlinNoise(seed, octaves, persistence, scale) + // Creates an LuaPerlinNoise and leaves it on top of stack + static int create_object(lua_State *L); + + static LuaPerlinNoise* checkobject(lua_State *L, int narg); + + static void Register(lua_State *L); +}; + +/* + PerlinNoiseMap + */ +class LuaPerlinNoiseMap +{ +private: + Noise *noise; + static const char className[]; + static const luaL_reg methods[]; + + static int gc_object(lua_State *L); + + static int l_get2dMap(lua_State *L); + + static int l_get3dMap(lua_State *L); + +public: + LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size); + + ~LuaPerlinNoiseMap(); + + // LuaPerlinNoiseMap(np, size) + // Creates an LuaPerlinNoiseMap and leaves it on top of stack + static int create_object(lua_State *L); + + static LuaPerlinNoiseMap *checkobject(lua_State *L, int narg); + + static void Register(lua_State *L); +}; + +/* + LuaPseudoRandom +*/ + + +class LuaPseudoRandom +{ +private: + PseudoRandom m_pseudo; + + static const char className[]; + static const luaL_reg methods[]; + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + // next(self, min=0, max=32767) -> get next value + static int l_next(lua_State *L); + +public: + LuaPseudoRandom(int seed); + + ~LuaPseudoRandom(); + + const PseudoRandom& getItem() const; + PseudoRandom& getItem(); + + // LuaPseudoRandom(seed) + // Creates an LuaPseudoRandom and leaves it on top of stack + static int create_object(lua_State *L); + + static LuaPseudoRandom* checkobject(lua_State *L, int narg); + + static void Register(lua_State *L); +}; + +NoiseParams *read_noiseparams(lua_State *L, int index); + +#endif /* L_NOISE_H_ */ diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp new file mode 100644 index 000000000..6dec3db85 --- /dev/null +++ b/src/script/lua_api/l_object.cpp @@ -0,0 +1,1095 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "lua_api/l_object.h" +#include "common/c_internal.h" +#include "lua_api/l_inventory.h" +#include "lua_api/l_item.h" +#include "log.h" +#include "tool.h" +#include "serverobject.h" +#include "content_object.h" +#include "content_sao.h" +#include "server.h" +#include "hud.h" + + +struct EnumString es_HudElementType[] = +{ + {HUD_ELEM_IMAGE, "image"}, + {HUD_ELEM_TEXT, "text"}, + {HUD_ELEM_STATBAR, "statbar"}, + {HUD_ELEM_INVENTORY, "inventory"}, +{0, NULL}, +}; + +struct EnumString es_HudElementStat[] = +{ + {HUD_STAT_POS, "pos"}, + {HUD_STAT_NAME, "name"}, + {HUD_STAT_SCALE, "scale"}, + {HUD_STAT_TEXT, "text"}, + {HUD_STAT_NUMBER, "number"}, + {HUD_STAT_ITEM, "item"}, + {HUD_STAT_DIR, "direction"}, + {HUD_STAT_ALIGN, "alignment"}, + {HUD_STAT_OFFSET, "offset"}, + {0, NULL}, +}; + +struct EnumString es_HudBuiltinElement[] = +{ + {HUD_FLAG_HOTBAR_VISIBLE, "hotbar"}, + {HUD_FLAG_HEALTHBAR_VISIBLE, "healthbar"}, + {HUD_FLAG_CROSSHAIR_VISIBLE, "crosshair"}, + {HUD_FLAG_WIELDITEM_VISIBLE, "wielditem"}, + {0, NULL}, +}; + +/* + ObjectRef +*/ + + +ObjectRef* ObjectRef::checkobject(lua_State *L, int narg) +{ + luaL_checktype(L, narg, LUA_TUSERDATA); + void *ud = luaL_checkudata(L, narg, className); + if(!ud) luaL_typerror(L, narg, className); + return *(ObjectRef**)ud; // unbox pointer +} + +ServerActiveObject* ObjectRef::getobject(ObjectRef *ref) +{ + ServerActiveObject *co = ref->m_object; + return co; +} + +LuaEntitySAO* ObjectRef::getluaobject(ObjectRef *ref) +{ + ServerActiveObject *obj = getobject(ref); + if(obj == NULL) + return NULL; + if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY) + return NULL; + return (LuaEntitySAO*)obj; +} + +PlayerSAO* ObjectRef::getplayersao(ObjectRef *ref) +{ + ServerActiveObject *obj = getobject(ref); + if(obj == NULL) + return NULL; + if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER) + return NULL; + return (PlayerSAO*)obj; +} + +Player* ObjectRef::getplayer(ObjectRef *ref) +{ + PlayerSAO *playersao = getplayersao(ref); + if(playersao == NULL) + return NULL; + return playersao->getPlayer(); +} + +// Exported functions + +// garbage collector +int ObjectRef::gc_object(lua_State *L) { + ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1)); + //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl; + delete o; + return 0; +} + +// remove(self) +int ObjectRef::l_remove(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl; + co->m_removed = true; + return 0; +} + +// getpos(self) +// returns: {x=num, y=num, z=num} +int ObjectRef::l_getpos(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + v3f pos = co->getBasePosition() / BS; + lua_newtable(L); + lua_pushnumber(L, pos.X); + lua_setfield(L, -2, "x"); + lua_pushnumber(L, pos.Y); + lua_setfield(L, -2, "y"); + lua_pushnumber(L, pos.Z); + lua_setfield(L, -2, "z"); + return 1; +} + +// setpos(self, pos) +int ObjectRef::l_setpos(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + //LuaEntitySAO *co = getluaobject(ref); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // pos + v3f pos = checkFloatPos(L, 2); + // Do it + co->setPos(pos); + return 0; +} + +// moveto(self, pos, continuous=false) +int ObjectRef::l_moveto(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + //LuaEntitySAO *co = getluaobject(ref); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // pos + v3f pos = checkFloatPos(L, 2); + // continuous + bool continuous = lua_toboolean(L, 3); + // Do it + co->moveTo(pos, continuous); + return 0; +} + +// punch(self, puncher, time_from_last_punch, tool_capabilities, dir) +int ObjectRef::l_punch(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ObjectRef *puncher_ref = checkobject(L, 2); + ServerActiveObject *co = getobject(ref); + ServerActiveObject *puncher = getobject(puncher_ref); + if(co == NULL) return 0; + if(puncher == NULL) return 0; + v3f dir; + if(lua_type(L, 5) != LUA_TTABLE) + dir = co->getBasePosition() - puncher->getBasePosition(); + else + dir = read_v3f(L, 5); + float time_from_last_punch = 1000000; + if(lua_isnumber(L, 3)) + time_from_last_punch = lua_tonumber(L, 3); + ToolCapabilities toolcap = read_tool_capabilities(L, 4); + dir.normalize(); + // Do it + co->punch(dir, &toolcap, puncher, time_from_last_punch); + return 0; +} + +// right_click(self, clicker); clicker = an another ObjectRef +int ObjectRef::l_right_click(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ObjectRef *ref2 = checkobject(L, 2); + ServerActiveObject *co = getobject(ref); + ServerActiveObject *co2 = getobject(ref2); + if(co == NULL) return 0; + if(co2 == NULL) return 0; + // Do it + co->rightClick(co2); + return 0; +} + +// set_hp(self, hp) +// hp = number of hitpoints (2 * number of hearts) +// returns: nil +int ObjectRef::l_set_hp(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + luaL_checknumber(L, 2); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + int hp = lua_tonumber(L, 2); + /*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId() + <<" hp="<<hp<<std::endl;*/ + // Do it + co->setHP(hp); + // Return + return 0; +} + +// get_hp(self) +// returns: number of hitpoints (2 * number of hearts) +// 0 if not applicable to this type of object +int ObjectRef::l_get_hp(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL){ + // Default hp is 1 + lua_pushnumber(L, 1); + return 1; + } + int hp = co->getHP(); + /*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId() + <<" hp="<<hp<<std::endl;*/ + // Return + lua_pushnumber(L, hp); + return 1; +} + +// get_inventory(self) +int ObjectRef::l_get_inventory(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + InventoryLocation loc = co->getInventoryLocation(); + if(STACK_TO_SERVER(L)->getInventory(loc) != NULL) + InvRef::create(L, loc); + else + lua_pushnil(L); // An object may have no inventory (nil) + return 1; +} + +// get_wield_list(self) +int ObjectRef::l_get_wield_list(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + lua_pushstring(L, co->getWieldList().c_str()); + return 1; +} + +// get_wield_index(self) +int ObjectRef::l_get_wield_index(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + lua_pushinteger(L, co->getWieldIndex() + 1); + return 1; +} + +// get_wielded_item(self) +int ObjectRef::l_get_wielded_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL){ + // Empty ItemStack + LuaItemStack::create(L, ItemStack()); + return 1; + } + // Do it + LuaItemStack::create(L, co->getWieldedItem()); + return 1; +} + +// set_wielded_item(self, itemstack or itemstring or table or nil) +int ObjectRef::l_set_wielded_item(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + ItemStack item = read_item(L, 2,STACK_TO_SERVER(L)); + bool success = co->setWieldedItem(item); + lua_pushboolean(L, success); + return 1; +} + +// set_armor_groups(self, groups) +int ObjectRef::l_set_armor_groups(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + ItemGroupList groups; + read_groups(L, 2, groups); + co->setArmorGroups(groups); + return 0; +} + +// set_physics_override(self, physics_override_speed, physics_override_jump, physics_override_gravity) +int ObjectRef::l_set_physics_override(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + PlayerSAO *co = (PlayerSAO *) getobject(ref); + if(co == NULL) return 0; + // Do it + if(!lua_isnil(L, 2)){ + co->m_physics_override_speed = lua_tonumber(L, 2); + co->m_physics_override_sent = false; + } + if(!lua_isnil(L, 3)){ + co->m_physics_override_jump = lua_tonumber(L, 3); + co->m_physics_override_sent = false; + } + if(!lua_isnil(L, 4)){ + co->m_physics_override_gravity = lua_tonumber(L, 4); + co->m_physics_override_sent = false; + } + return 0; +} + +// set_animation(self, frame_range, frame_speed, frame_blend) +int ObjectRef::l_set_animation(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + v2f frames = v2f(1, 1); + if(!lua_isnil(L, 2)) + frames = read_v2f(L, 2); + float frame_speed = 15; + if(!lua_isnil(L, 3)) + frame_speed = lua_tonumber(L, 3); + float frame_blend = 0; + if(!lua_isnil(L, 4)) + frame_blend = lua_tonumber(L, 4); + co->setAnimation(frames, frame_speed, frame_blend); + return 0; +} + +// set_bone_position(self, std::string bone, v3f position, v3f rotation) +int ObjectRef::l_set_bone_position(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + std::string bone = ""; + if(!lua_isnil(L, 2)) + bone = lua_tostring(L, 2); + v3f position = v3f(0, 0, 0); + if(!lua_isnil(L, 3)) + position = read_v3f(L, 3); + v3f rotation = v3f(0, 0, 0); + if(!lua_isnil(L, 4)) + rotation = read_v3f(L, 4); + co->setBonePosition(bone, position, rotation); + return 0; +} + +// set_attach(self, parent, bone, position, rotation) +int ObjectRef::l_set_attach(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ObjectRef *parent_ref = checkobject(L, 2); + ServerActiveObject *co = getobject(ref); + ServerActiveObject *parent = getobject(parent_ref); + if(co == NULL) return 0; + if(parent == NULL) return 0; + // Do it + std::string bone = ""; + if(!lua_isnil(L, 3)) + bone = lua_tostring(L, 3); + v3f position = v3f(0, 0, 0); + if(!lua_isnil(L, 4)) + position = read_v3f(L, 4); + v3f rotation = v3f(0, 0, 0); + if(!lua_isnil(L, 5)) + rotation = read_v3f(L, 5); + co->setAttachment(parent->getId(), bone, position, rotation); + return 0; +} + +// set_detach(self) +int ObjectRef::l_set_detach(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + // Do it + co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0)); + return 0; +} + +// set_properties(self, properties) +int ObjectRef::l_set_properties(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + ServerActiveObject *co = getobject(ref); + if(co == NULL) return 0; + ObjectProperties *prop = co->accessObjectProperties(); + if(!prop) + return 0; + read_object_properties(L, 2, prop); + co->notifyObjectPropertiesModified(); + return 0; +} + +/* LuaEntitySAO-only */ + +// setvelocity(self, {x=num, y=num, z=num}) +int ObjectRef::l_setvelocity(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + v3f pos = checkFloatPos(L, 2); + // Do it + co->setVelocity(pos); + return 0; +} + +// getvelocity(self) +int ObjectRef::l_getvelocity(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + v3f v = co->getVelocity(); + pushFloatPos(L, v); + return 1; +} + +// setacceleration(self, {x=num, y=num, z=num}) +int ObjectRef::l_setacceleration(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // pos + v3f pos = checkFloatPos(L, 2); + // Do it + co->setAcceleration(pos); + return 0; +} + +// getacceleration(self) +int ObjectRef::l_getacceleration(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + v3f v = co->getAcceleration(); + pushFloatPos(L, v); + return 1; +} + +// setyaw(self, radians) +int ObjectRef::l_setyaw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + float yaw = luaL_checknumber(L, 2) * core::RADTODEG; + // Do it + co->setYaw(yaw); + return 0; +} + +// getyaw(self) +int ObjectRef::l_getyaw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + float yaw = co->getYaw() * core::DEGTORAD; + lua_pushnumber(L, yaw); + return 1; +} + +// settexturemod(self, mod) +int ObjectRef::l_settexturemod(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + std::string mod = luaL_checkstring(L, 2); + co->setTextureMod(mod); + return 0; +} + +// setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2, +// select_horiz_by_yawpitch=false) +int ObjectRef::l_setsprite(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + v2s16 p(0,0); + if(!lua_isnil(L, 2)) + p = read_v2s16(L, 2); + int num_frames = 1; + if(!lua_isnil(L, 3)) + num_frames = lua_tonumber(L, 3); + float framelength = 0.2; + if(!lua_isnil(L, 4)) + framelength = lua_tonumber(L, 4); + bool select_horiz_by_yawpitch = false; + if(!lua_isnil(L, 5)) + select_horiz_by_yawpitch = lua_toboolean(L, 5); + co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch); + return 0; +} + +// DEPRECATED +// get_entity_name(self) +int ObjectRef::l_get_entity_name(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + std::string name = co->getName(); + lua_pushstring(L, name.c_str()); + return 1; +} + +// get_luaentity(self) +int ObjectRef::l_get_luaentity(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + LuaEntitySAO *co = getluaobject(ref); + if(co == NULL) return 0; + // Do it + luaentity_get(L, co->getId()); + return 1; +} + +/* Player-only */ + +// is_player(self) +int ObjectRef::l_is_player(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + lua_pushboolean(L, (player != NULL)); + return 1; +} + +// get_player_name(self) +int ObjectRef::l_get_player_name(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL){ + lua_pushlstring(L, "", 0); + return 1; + } + // Do it + lua_pushstring(L, player->getName()); + return 1; +} + +// get_look_dir(self) +int ObjectRef::l_get_look_dir(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL) return 0; + // Do it + float pitch = player->getRadPitch(); + float yaw = player->getRadYaw(); + v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw)); + push_v3f(L, v); + return 1; +} + +// get_look_pitch(self) +int ObjectRef::l_get_look_pitch(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL) return 0; + // Do it + lua_pushnumber(L, player->getRadPitch()); + return 1; +} + +// get_look_yaw(self) +int ObjectRef::l_get_look_yaw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL) return 0; + // Do it + lua_pushnumber(L, player->getRadYaw()); + return 1; +} + +// set_look_pitch(self, radians) +int ObjectRef::l_set_look_pitch(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + PlayerSAO* co = getplayersao(ref); + if(co == NULL) return 0; + float pitch = luaL_checknumber(L, 2) * core::RADTODEG; + // Do it + co->setPitch(pitch); + return 1; +} + +// set_look_yaw(self, radians) +int ObjectRef::l_set_look_yaw(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + PlayerSAO* co = getplayersao(ref); + if(co == NULL) return 0; + float yaw = luaL_checknumber(L, 2) * core::RADTODEG; + // Do it + co->setYaw(yaw); + return 1; +} + +// set_inventory_formspec(self, formspec) +int ObjectRef::l_set_inventory_formspec(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL) return 0; + std::string formspec = luaL_checkstring(L, 2); + + player->inventory_formspec = formspec; + STACK_TO_SERVER(L)->reportInventoryFormspecModified(player->getName()); + lua_pushboolean(L, true); + return 1; +} + +// get_inventory_formspec(self) -> formspec +int ObjectRef::l_get_inventory_formspec(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL) return 0; + + std::string formspec = player->inventory_formspec; + lua_pushlstring(L, formspec.c_str(), formspec.size()); + return 1; +} + +// get_player_control(self) +int ObjectRef::l_get_player_control(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL){ + lua_pushlstring(L, "", 0); + return 1; + } + // Do it + PlayerControl control = player->getPlayerControl(); + lua_newtable(L); + lua_pushboolean(L, control.up); + lua_setfield(L, -2, "up"); + lua_pushboolean(L, control.down); + lua_setfield(L, -2, "down"); + lua_pushboolean(L, control.left); + lua_setfield(L, -2, "left"); + lua_pushboolean(L, control.right); + lua_setfield(L, -2, "right"); + lua_pushboolean(L, control.jump); + lua_setfield(L, -2, "jump"); + lua_pushboolean(L, control.aux1); + lua_setfield(L, -2, "aux1"); + lua_pushboolean(L, control.sneak); + lua_setfield(L, -2, "sneak"); + lua_pushboolean(L, control.LMB); + lua_setfield(L, -2, "LMB"); + lua_pushboolean(L, control.RMB); + lua_setfield(L, -2, "RMB"); + return 1; +} + +// get_player_control_bits(self) +int ObjectRef::l_get_player_control_bits(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if(player == NULL){ + lua_pushlstring(L, "", 0); + return 1; + } + // Do it + lua_pushnumber(L, player->keyPressed); + return 1; +} + +// hud_add(self, form) +int ObjectRef::l_hud_add(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if (player == NULL) + return 0; + + HudElement *elem = new HudElement; + + elem->type = (HudElementType)getenumfield(L, 2, "hud_elem_type", + es_HudElementType, HUD_ELEM_TEXT); + + lua_getfield(L, 2, "position"); + elem->pos = lua_istable(L, -1) ? read_v2f(L, -1) : v2f(); + lua_pop(L, 1); + + lua_getfield(L, 2, "scale"); + elem->scale = lua_istable(L, -1) ? read_v2f(L, -1) : v2f(); + lua_pop(L, 1); + + elem->name = getstringfield_default(L, 2, "name", ""); + elem->text = getstringfield_default(L, 2, "text", ""); + elem->number = getintfield_default(L, 2, "number", 0); + elem->item = getintfield_default(L, 2, "item", 0); + elem->dir = getintfield_default(L, 2, "dir", 0); + + lua_getfield(L, 2, "alignment"); + elem->align = lua_istable(L, -1) ? read_v2f(L, -1) : v2f(); + lua_pop(L, 1); + + lua_getfield(L, 2, "offset"); + elem->offset = lua_istable(L, -1) ? read_v2f(L, -1) : v2f(); + lua_pop(L, 1); + + u32 id = STACK_TO_SERVER(L)->hudAdd(player, elem); + if (id == (u32)-1) { + delete elem; + return 0; + } + + lua_pushnumber(L, id); + return 1; +} + +// hud_remove(self, id) +int ObjectRef::l_hud_remove(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if (player == NULL) + return 0; + + u32 id = -1; + if (!lua_isnil(L, 2)) + id = lua_tonumber(L, 2); + + if (!STACK_TO_SERVER(L)->hudRemove(player, id)) + return 0; + + lua_pushboolean(L, true); + return 1; +} + +// hud_change(self, id, stat, data) +int ObjectRef::l_hud_change(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if (player == NULL) + return 0; + + u32 id = -1; + if (!lua_isnil(L, 2)) + id = lua_tonumber(L, 2); + + HudElementStat stat = (HudElementStat)getenumfield(L, 3, "stat", + es_HudElementStat, HUD_STAT_NUMBER); + + if (id >= player->hud.size()) + return 0; + + void *value = NULL; + HudElement *e = player->hud[id]; + if (!e) + return 0; + + switch (stat) { + case HUD_STAT_POS: + e->pos = read_v2f(L, 4); + value = &e->pos; + break; + case HUD_STAT_NAME: + e->name = lua_tostring(L, 4); + value = &e->name; + break; + case HUD_STAT_SCALE: + e->scale = read_v2f(L, 4); + value = &e->scale; + break; + case HUD_STAT_TEXT: + e->text = lua_tostring(L, 4); + value = &e->text; + break; + case HUD_STAT_NUMBER: + e->number = lua_tonumber(L, 4); + value = &e->number; + break; + case HUD_STAT_ITEM: + e->item = lua_tonumber(L, 4); + value = &e->item; + break; + case HUD_STAT_DIR: + e->dir = lua_tonumber(L, 4); + value = &e->dir; + case HUD_STAT_ALIGN: + e->align = read_v2f(L, 4); + value = &e->align; + case HUD_STAT_OFFSET: + e->offset = read_v2f(L, 4); + value = &e->offset; + } + + STACK_TO_SERVER(L)->hudChange(player, id, stat, value); + + lua_pushboolean(L, true); + return 1; +} + +// hud_get(self, id) +int ObjectRef::l_hud_get(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if (player == NULL) + return 0; + + u32 id = lua_tonumber(L, -1); + if (id >= player->hud.size()) + return 0; + + HudElement *e = player->hud[id]; + if (!e) + return 0; + + lua_newtable(L); + + lua_pushstring(L, es_HudElementType[(u8)e->type].str); + lua_setfield(L, -2, "type"); + + push_v2f(L, e->pos); + lua_setfield(L, -2, "position"); + + lua_pushstring(L, e->name.c_str()); + lua_setfield(L, -2, "name"); + + push_v2f(L, e->scale); + lua_setfield(L, -2, "scale"); + + lua_pushstring(L, e->text.c_str()); + lua_setfield(L, -2, "text"); + + lua_pushnumber(L, e->number); + lua_setfield(L, -2, "number"); + + lua_pushnumber(L, e->item); + lua_setfield(L, -2, "item"); + + lua_pushnumber(L, e->dir); + lua_setfield(L, -2, "dir"); + + return 1; +} + +// hud_set_flags(self, flags) +int ObjectRef::l_hud_set_flags(lua_State *L) +{ + ObjectRef *ref = checkobject(L, 1); + Player *player = getplayer(ref); + if (player == NULL) + return 0; + + u32 flags = 0; + u32 mask = 0; + bool flag; + + const EnumString *esp = es_HudBuiltinElement; + for (int i = 0; esp[i].str; i++) { + if (getboolfield(L, 2, esp[i].str, flag)) { + flags |= esp[i].num * flag; + mask |= esp[i].num; + } + } + if (!STACK_TO_SERVER(L)->hudSetFlags(player, flags, mask)) + return 0; + + lua_pushboolean(L, true); + return 1; +} + +ObjectRef::ObjectRef(ServerActiveObject *object): + m_object(object) +{ + //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl; +} + +ObjectRef::~ObjectRef() +{ + /*if(m_object) + infostream<<"ObjectRef destructing for id=" + <<m_object->getId()<<std::endl; + else + infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/ +} + +// Creates an ObjectRef and leaves it on top of stack +// Not callable from Lua; all references are created on the C side. +void ObjectRef::create(lua_State *L, ServerActiveObject *object) +{ + ObjectRef *o = new ObjectRef(object); + //infostream<<"ObjectRef::create: o="<<o<<std::endl; + *(void **)(lua_newuserdata(L, sizeof(void *))) = o; + luaL_getmetatable(L, className); + lua_setmetatable(L, -2); +} + +void ObjectRef::set_null(lua_State *L) +{ + ObjectRef *o = checkobject(L, -1); + o->m_object = NULL; +} + +void ObjectRef::Register(lua_State *L) +{ + lua_newtable(L); + int methodtable = lua_gettop(L); + luaL_newmetatable(L, className); + int metatable = lua_gettop(L); + + lua_pushliteral(L, "__metatable"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); // hide metatable from Lua getmetatable() + + lua_pushliteral(L, "__index"); + lua_pushvalue(L, methodtable); + lua_settable(L, metatable); + + lua_pushliteral(L, "__gc"); + lua_pushcfunction(L, gc_object); + lua_settable(L, metatable); + + lua_pop(L, 1); // drop metatable + + luaL_openlib(L, 0, methods, 0); // fill methodtable + lua_pop(L, 1); // drop methodtable + + // Cannot be created from Lua + //lua_register(L, className, create_object); +} + +const char ObjectRef::className[] = "ObjectRef"; +const luaL_reg ObjectRef::methods[] = { + // ServerActiveObject + luamethod(ObjectRef, remove), + luamethod(ObjectRef, getpos), + luamethod(ObjectRef, setpos), + luamethod(ObjectRef, moveto), + luamethod(ObjectRef, punch), + luamethod(ObjectRef, right_click), + luamethod(ObjectRef, set_hp), + luamethod(ObjectRef, get_hp), + luamethod(ObjectRef, get_inventory), + luamethod(ObjectRef, get_wield_list), + luamethod(ObjectRef, get_wield_index), + luamethod(ObjectRef, get_wielded_item), + luamethod(ObjectRef, set_wielded_item), + luamethod(ObjectRef, set_armor_groups), + luamethod(ObjectRef, set_physics_override), + luamethod(ObjectRef, set_animation), + luamethod(ObjectRef, set_bone_position), + luamethod(ObjectRef, set_attach), + luamethod(ObjectRef, set_detach), + luamethod(ObjectRef, set_properties), + // LuaEntitySAO-only + luamethod(ObjectRef, setvelocity), + luamethod(ObjectRef, getvelocity), + luamethod(ObjectRef, setacceleration), + luamethod(ObjectRef, getacceleration), + luamethod(ObjectRef, setyaw), + luamethod(ObjectRef, getyaw), + luamethod(ObjectRef, settexturemod), + luamethod(ObjectRef, setsprite), + luamethod(ObjectRef, get_entity_name), + luamethod(ObjectRef, get_luaentity), + // Player-only + luamethod(ObjectRef, is_player), + luamethod(ObjectRef, get_player_name), + luamethod(ObjectRef, get_look_dir), + luamethod(ObjectRef, get_look_pitch), + luamethod(ObjectRef, get_look_yaw), + luamethod(ObjectRef, set_look_yaw), + luamethod(ObjectRef, set_look_pitch), + luamethod(ObjectRef, set_inventory_formspec), + luamethod(ObjectRef, get_inventory_formspec), + luamethod(ObjectRef, get_player_control), + luamethod(ObjectRef, get_player_control_bits), + luamethod(ObjectRef, hud_add), + luamethod(ObjectRef, hud_remove), + luamethod(ObjectRef, hud_change), + luamethod(ObjectRef, hud_get), + luamethod(ObjectRef, hud_set_flags), + {0,0} +}; + +REGISTER_LUA_REF(ObjectRef) diff --git a/src/script/lua_api/l_object.h b/src/script/lua_api/l_object.h new file mode 100644 index 000000000..88f980a27 --- /dev/null +++ b/src/script/lua_api/l_object.h @@ -0,0 +1,226 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_OBJECT_H_ +#define L_OBJECT_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +class ServerActiveObject; +class LuaEntitySAO; +class PlayerSAO; +class Player; + +/* + ObjectRef +*/ + +class ObjectRef +{ +private: + ServerActiveObject *m_object; + + static const char className[]; + static const luaL_reg methods[]; +public: + static ObjectRef *checkobject(lua_State *L, int narg); + + static ServerActiveObject* getobject(ObjectRef *ref); +private: + static LuaEntitySAO* getluaobject(ObjectRef *ref); + + static PlayerSAO* getplayersao(ObjectRef *ref); + + static Player* getplayer(ObjectRef *ref); + + // Exported functions + + // garbage collector + static int gc_object(lua_State *L); + + // remove(self) + static int l_remove(lua_State *L); + + // getpos(self) + // returns: {x=num, y=num, z=num} + static int l_getpos(lua_State *L); + + // setpos(self, pos) + static int l_setpos(lua_State *L); + + // moveto(self, pos, continuous=false) + static int l_moveto(lua_State *L); + + // punch(self, puncher, time_from_last_punch, tool_capabilities, dir) + static int l_punch(lua_State *L); + + // right_click(self, clicker); clicker = an another ObjectRef + static int l_right_click(lua_State *L); + + // set_hp(self, hp) + // hp = number of hitpoints (2 * number of hearts) + // returns: nil + static int l_set_hp(lua_State *L); + + // get_hp(self) + // returns: number of hitpoints (2 * number of hearts) + // 0 if not applicable to this type of object + static int l_get_hp(lua_State *L); + + // get_inventory(self) + static int l_get_inventory(lua_State *L); + + // get_wield_list(self) + static int l_get_wield_list(lua_State *L); + + // get_wield_index(self) + static int l_get_wield_index(lua_State *L); + + // get_wielded_item(self) + static int l_get_wielded_item(lua_State *L); + + // set_wielded_item(self, itemstack or itemstring or table or nil) + static int l_set_wielded_item(lua_State *L); + + // set_armor_groups(self, groups) + static int l_set_armor_groups(lua_State *L); + + // set_physics_override(self, physics_override_speed, physics_override_jump, physics_override_gravity) + static int l_set_physics_override(lua_State *L); + + // set_animation(self, frame_range, frame_speed, frame_blend) + static int l_set_animation(lua_State *L); + + // set_bone_position(self, std::string bone, v3f position, v3f rotation) + static int l_set_bone_position(lua_State *L); + + // set_attach(self, parent, bone, position, rotation) + static int l_set_attach(lua_State *L); + + // set_detach(self) + static int l_set_detach(lua_State *L); + + // set_properties(self, properties) + static int l_set_properties(lua_State *L); + + /* LuaEntitySAO-only */ + + // setvelocity(self, {x=num, y=num, z=num}) + static int l_setvelocity(lua_State *L); + + // getvelocity(self) + static int l_getvelocity(lua_State *L); + + // setacceleration(self, {x=num, y=num, z=num}) + static int l_setacceleration(lua_State *L); + + // getacceleration(self) + static int l_getacceleration(lua_State *L); + + // setyaw(self, radians) + static int l_setyaw(lua_State *L); + + // getyaw(self) + static int l_getyaw(lua_State *L); + + // settexturemod(self, mod) + static int l_settexturemod(lua_State *L); + + // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2, + // select_horiz_by_yawpitch=false) + static int l_setsprite(lua_State *L); + + // DEPRECATED + // get_entity_name(self) + static int l_get_entity_name(lua_State *L); + + // get_luaentity(self) + static int l_get_luaentity(lua_State *L); + + /* Player-only */ + + // is_player(self) + static int l_is_player(lua_State *L); + + // get_player_name(self) + static int l_get_player_name(lua_State *L); + + // get_look_dir(self) + static int l_get_look_dir(lua_State *L); + + // get_look_pitch(self) + static int l_get_look_pitch(lua_State *L); + + // get_look_yaw(self) + static int l_get_look_yaw(lua_State *L); + + // set_look_pitch(self, radians) + static int l_set_look_pitch(lua_State *L); + + // set_look_yaw(self, radians) + static int l_set_look_yaw(lua_State *L); + + // set_inventory_formspec(self, formspec) + static int l_set_inventory_formspec(lua_State *L); + + // get_inventory_formspec(self) -> formspec + static int l_get_inventory_formspec(lua_State *L); + + // get_player_control(self) + static int l_get_player_control(lua_State *L); + + // get_player_control_bits(self) + static int l_get_player_control_bits(lua_State *L); + + // hud_add(self, id, form) + static int l_hud_add(lua_State *L); + + // hud_rm(self, id) + static int l_hud_remove(lua_State *L); + + // hud_change(self, id, stat, data) + static int l_hud_change(lua_State *L); + + // hud_get_next_id(self) + static u32 hud_get_next_id(lua_State *L); + + // hud_get(self, id) + static int l_hud_get(lua_State *L); + + // hud_set_flags(self, flags) + static int l_hud_set_flags(lua_State *L); + +public: + ObjectRef(ServerActiveObject *object); + + ~ObjectRef(); + + // Creates an ObjectRef and leaves it on top of stack + // Not callable from Lua; all references are created on the C side. + static void create(lua_State *L, ServerActiveObject *object); + + static void set_null(lua_State *L); + + static void Register(lua_State *L); +}; + +#endif /* L_OBJECT_H_ */ diff --git a/src/script/lua_api/l_particles.cpp b/src/script/lua_api/l_particles.cpp new file mode 100644 index 000000000..c291cc21e --- /dev/null +++ b/src/script/lua_api/l_particles.cpp @@ -0,0 +1,149 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "cpp_api/scriptapi.h" +#include "common/c_converter.h" +#include "lua_api/l_base.h" +#include "lua_api/l_particles.h" +#include "server.h" +#include "common/c_internal.h" + +bool ModApiParticles::Initialize(lua_State *L, int top) { + bool retval = true; + + retval &= API_FCT(add_particle); + retval &= API_FCT(add_particlespawner); + retval &= API_FCT(delete_particlespawner); + + return retval; +} + +// add_particle(pos, velocity, acceleration, expirationtime, +// size, collisiondetection, texture, player) +// pos/velocity/acceleration = {x=num, y=num, z=num} +// expirationtime = num (seconds) +// size = num +// texture = e.g."default_wood.png" +int ModApiParticles::l_add_particle(lua_State *L) +{ + // Get parameters + v3f pos = check_v3f(L, 1); + v3f vel = check_v3f(L, 2); + v3f acc = check_v3f(L, 3); + float expirationtime = luaL_checknumber(L, 4); + float size = luaL_checknumber(L, 5); + bool collisiondetection = lua_toboolean(L, 6); + std::string texture = luaL_checkstring(L, 7); + + if (lua_gettop(L) == 8) // only spawn for a single player + { + const char *playername = luaL_checkstring(L, 8); + getServer(L)->spawnParticle(playername, + pos, vel, acc, expirationtime, + size, collisiondetection, texture); + } + else // spawn for all players + { + getServer(L)->spawnParticleAll(pos, vel, acc, + expirationtime, size, collisiondetection, texture); + } + return 1; +} + +// add_particlespawner(amount, time, +// minpos, maxpos, +// minvel, maxvel, +// minacc, maxacc, +// minexptime, maxexptime, +// minsize, maxsize, +// collisiondetection, +// texture, +// player) +// minpos/maxpos/minvel/maxvel/minacc/maxacc = {x=num, y=num, z=num} +// minexptime/maxexptime = num (seconds) +// minsize/maxsize = num +// collisiondetection = bool +// texture = e.g."default_wood.png" +int ModApiParticles::l_add_particlespawner(lua_State *L) +{ + // Get parameters + u16 amount = luaL_checknumber(L, 1); + float time = luaL_checknumber(L, 2); + v3f minpos = check_v3f(L, 3); + v3f maxpos = check_v3f(L, 4); + v3f minvel = check_v3f(L, 5); + v3f maxvel = check_v3f(L, 6); + v3f minacc = check_v3f(L, 7); + v3f maxacc = check_v3f(L, 8); + float minexptime = luaL_checknumber(L, 9); + float maxexptime = luaL_checknumber(L, 10); + float minsize = luaL_checknumber(L, 11); + float maxsize = luaL_checknumber(L, 12); + bool collisiondetection = lua_toboolean(L, 13); + std::string texture = luaL_checkstring(L, 14); + + if (lua_gettop(L) == 15) // only spawn for a single player + { + const char *playername = luaL_checkstring(L, 15); + u32 id = getServer(L)->addParticleSpawner(playername, + amount, time, + minpos, maxpos, + minvel, maxvel, + minacc, maxacc, + minexptime, maxexptime, + minsize, maxsize, + collisiondetection, + texture); + lua_pushnumber(L, id); + } + else // spawn for all players + { + u32 id = getServer(L)->addParticleSpawnerAll( amount, time, + minpos, maxpos, + minvel, maxvel, + minacc, maxacc, + minexptime, maxexptime, + minsize, maxsize, + collisiondetection, + texture); + lua_pushnumber(L, id); + } + return 1; +} + +// delete_particlespawner(id, player) +// player (string) is optional +int ModApiParticles::l_delete_particlespawner(lua_State *L) +{ + // Get parameters + u32 id = luaL_checknumber(L, 1); + + if (lua_gettop(L) == 2) // only delete for one player + { + const char *playername = luaL_checkstring(L, 2); + getServer(L)->deleteParticleSpawner(playername, id); + } + else // delete for all players + { + getServer(L)->deleteParticleSpawnerAll(id); + } + return 1; +} + +ModApiParticles modapiparticles_prototyp; diff --git a/src/script/lua_api/l_particles.h b/src/script/lua_api/l_particles.h new file mode 100644 index 000000000..3729f8761 --- /dev/null +++ b/src/script/lua_api/l_particles.h @@ -0,0 +1,39 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef L_PARTICLES_H_ +#define L_PARTICLES_H_ + +extern "C" { +#include <lua.h> +#include <lauxlib.h> +} + +class ModApiParticles : public ModApiBase { +public: + bool Initialize(lua_State *L, int top); +private: + static int l_add_particle(lua_State *L); + static int l_add_particlespawner(lua_State *L); + static int l_delete_particlespawner(lua_State *L); +}; + + + +#endif // L_PARTICLES_H_ diff --git a/src/script/lua_api/luaapi.cpp b/src/script/lua_api/luaapi.cpp new file mode 100644 index 000000000..b75304b3a --- /dev/null +++ b/src/script/lua_api/luaapi.cpp @@ -0,0 +1,653 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +extern "C" { +#include "lua.h" +#include "lauxlib.h" +} + +#include "lua_api/l_base.h" +#include "common/c_internal.h" +#include "server.h" +#include "common/c_converter.h" +#include "common/c_content.h" +#include "lua_api/luaapi.h" +#include "settings.h" +#include "tool.h" +#include "rollback.h" +#include "log.h" +#include "emerge.h" +#include "main.h" //required for g_settings + +struct EnumString ModApiBasic::es_OreType[] = +{ + {ORE_SCATTER, "scatter"}, + {ORE_SHEET, "sheet"}, + {ORE_CLAYLIKE, "claylike"}, + {0, NULL}, +}; + + +ModApiBasic::ModApiBasic() : ModApiBase() { +} + +bool ModApiBasic::Initialize(lua_State* L,int top) { + + bool retval = true; + + retval &= API_FCT(debug); + retval &= API_FCT(log); + retval &= API_FCT(request_shutdown); + retval &= API_FCT(get_server_status); + + retval &= API_FCT(register_biome); + + retval &= API_FCT(setting_set); + retval &= API_FCT(setting_get); + retval &= API_FCT(setting_getbool); + retval &= API_FCT(setting_save); + + retval &= API_FCT(chat_send_all); + retval &= API_FCT(chat_send_player); + retval &= API_FCT(show_formspec); + + retval &= API_FCT(get_player_privs); + retval &= API_FCT(get_player_ip); + retval &= API_FCT(get_ban_list); + retval &= API_FCT(get_ban_description); + retval &= API_FCT(ban_player); + retval &= API_FCT(unban_player_of_ip); + retval &= API_FCT(get_password_hash); + retval &= API_FCT(notify_authentication_modified); + + retval &= API_FCT(get_dig_params); + retval &= API_FCT(get_hit_params); + + retval &= API_FCT(get_current_modname); + retval &= API_FCT(get_modpath); + retval &= API_FCT(get_modnames); + + retval &= API_FCT(get_worldpath); + retval &= API_FCT(is_singleplayer); + retval &= API_FCT(sound_play); + retval &= API_FCT(sound_stop); + + retval &= API_FCT(rollback_get_last_node_actor); + retval &= API_FCT(rollback_revert_actions_by); + + retval &= API_FCT(register_ore); + + return retval; +} + +// debug(text) +// Writes a line to dstream +int ModApiBasic::l_debug(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string text = lua_tostring(L, 1); + dstream << text << std::endl; + return 0; +} + +// log([level,] text) +// Writes a line to the logger. +// The one-argument version logs to infostream. +// The two-argument version accept a log level: error, action, info, or verbose. +int ModApiBasic::l_log(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string text; + LogMessageLevel level = LMT_INFO; + if(lua_isnone(L, 2)) + { + text = lua_tostring(L, 1); + } + else + { + std::string levelname = luaL_checkstring(L, 1); + text = luaL_checkstring(L, 2); + if(levelname == "error") + level = LMT_ERROR; + else if(levelname == "action") + level = LMT_ACTION; + else if(levelname == "verbose") + level = LMT_VERBOSE; + } + log_printline(level, text); + return 0; +} + +// request_shutdown() +int ModApiBasic::l_request_shutdown(lua_State *L) +{ + getServer(L)->requestShutdown(); + return 0; +} + +// get_server_status() +int ModApiBasic::l_get_server_status(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + lua_pushstring(L, wide_to_narrow(getServer(L)->getStatusString()).c_str()); + return 1; +} + +// register_biome({lots of stuff}) +int ModApiBasic::l_register_biome(lua_State *L) +{ + int index = 1; + luaL_checktype(L, index, LUA_TTABLE); + + BiomeDefManager *bmgr = getServer(L)->getEmergeManager()->biomedef; + if (!bmgr) { + verbosestream << "register_biome: BiomeDefManager not active" << std::endl; + return 0; + } + + enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index, + "terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL); + Biome *b = bmgr->createBiome(terrain); + + b->name = getstringfield_default(L, index, "name", ""); + b->top_nodename = getstringfield_default(L, index, "top_node", ""); + b->top_depth = getintfield_default(L, index, "top_depth", 0); + b->filler_nodename = getstringfield_default(L, index, "filler_node", ""); + b->filler_height = getintfield_default(L, index, "filler_height", 0); + b->height_min = getintfield_default(L, index, "height_min", 0); + b->height_max = getintfield_default(L, index, "height_max", 0); + b->heat_point = getfloatfield_default(L, index, "heat_point", 0.); + b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.); + + b->flags = 0; //reserved + b->c_top = CONTENT_IGNORE; + b->c_filler = CONTENT_IGNORE; + bmgr->addBiome(b); + + verbosestream << "register_biome: " << b->name << std::endl; + return 0; +} + + + +// setting_set(name, value) +int ModApiBasic::l_setting_set(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + const char *value = luaL_checkstring(L, 2); + g_settings->set(name, value); + return 0; +} + +// setting_get(name) +int ModApiBasic::l_setting_get(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + try{ + std::string value = g_settings->get(name); + lua_pushstring(L, value.c_str()); + } catch(SettingNotFoundException &e){ + lua_pushnil(L); + } + return 1; +} + +// setting_getbool(name) +int ModApiBasic::l_setting_getbool(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + try{ + bool value = g_settings->getBool(name); + lua_pushboolean(L, value); + } catch(SettingNotFoundException &e){ + lua_pushnil(L); + } + return 1; +} + +// setting_save() +int ModApiBasic::l_setting_save(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + getServer(L)->saveConfig(); + return 0; +} + +// chat_send_all(text) +int ModApiBasic::l_chat_send_all(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *text = luaL_checkstring(L, 1); + // Get server from registry + Server *server = getServer(L); + // Send + server->notifyPlayers(narrow_to_wide(text)); + return 0; +} + +// chat_send_player(name, text, prepend) +int ModApiBasic::l_chat_send_player(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + const char *text = luaL_checkstring(L, 2); + bool prepend = true; + + if (lua_isboolean(L, 3)) + prepend = lua_toboolean(L, 3); + + // Get server from registry + Server *server = getServer(L); + // Send + server->notifyPlayer(name, narrow_to_wide(text), prepend); + return 0; +} + +// get_player_privs(name, text) +int ModApiBasic::l_get_player_privs(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *name = luaL_checkstring(L, 1); + // Get server from registry + Server *server = getServer(L); + // Do it + lua_newtable(L); + int table = lua_gettop(L); + std::set<std::string> privs_s = server->getPlayerEffectivePrivs(name); + for(std::set<std::string>::const_iterator + i = privs_s.begin(); i != privs_s.end(); i++){ + lua_pushboolean(L, true); + lua_setfield(L, table, i->c_str()); + } + lua_pushvalue(L, table); + return 1; +} + +// get_player_ip() +int ModApiBasic::l_get_player_ip(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char * name = luaL_checkstring(L, 1); + Player *player = getEnv(L)->getPlayer(name); + if(player == NULL) + { + lua_pushnil(L); // no such player + return 1; + } + try + { + Address addr = getServer(L)->getPeerAddress(getEnv(L)->getPlayer(name)->peer_id); + std::string ip_str = addr.serializeString(); + lua_pushstring(L, ip_str.c_str()); + return 1; + } + catch(con::PeerNotFoundException) // unlikely + { + dstream << __FUNCTION_NAME << ": peer was not found" << std::endl; + lua_pushnil(L); // error + return 1; + } +} + +// get_ban_list() +int ModApiBasic::l_get_ban_list(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + lua_pushstring(L, getServer(L)->getBanDescription("").c_str()); + return 1; +} + +// get_ban_description() +int ModApiBasic::l_get_ban_description(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char * ip_or_name = luaL_checkstring(L, 1); + lua_pushstring(L, getServer(L)->getBanDescription(std::string(ip_or_name)).c_str()); + return 1; +} + +// ban_player() +int ModApiBasic::l_ban_player(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char * name = luaL_checkstring(L, 1); + Player *player = getEnv(L)->getPlayer(name); + if(player == NULL) + { + lua_pushboolean(L, false); // no such player + return 1; + } + try + { + Address addr = getServer(L)->getPeerAddress(getEnv(L)->getPlayer(name)->peer_id); + std::string ip_str = addr.serializeString(); + getServer(L)->setIpBanned(ip_str, name); + } + catch(con::PeerNotFoundException) // unlikely + { + dstream << __FUNCTION_NAME << ": peer was not found" << std::endl; + lua_pushboolean(L, false); // error + return 1; + } + lua_pushboolean(L, true); + return 1; +} + +// unban_player_or_ip() +int ModApiBasic::l_unban_player_of_ip(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char * ip_or_name = luaL_checkstring(L, 1); + getServer(L)->unsetIpBanned(ip_or_name); + lua_pushboolean(L, true); + return 1; +} + +// show_formspec(playername,formname,formspec) +int ModApiBasic::l_show_formspec(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + const char *playername = luaL_checkstring(L, 1); + const char *formname = luaL_checkstring(L, 2); + const char *formspec = luaL_checkstring(L, 3); + + if(getServer(L)->showFormspec(playername,formspec,formname)) + { + lua_pushboolean(L, true); + }else{ + lua_pushboolean(L, false); + } + return 1; +} + +// get_dig_params(groups, tool_capabilities[, time_from_last_punch]) +int ModApiBasic::l_get_dig_params(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::map<std::string, int> groups; + read_groups(L, 1, groups); + ToolCapabilities tp = read_tool_capabilities(L, 2); + if(lua_isnoneornil(L, 3)) + push_dig_params(L, getDigParams(groups, &tp)); + else + push_dig_params(L, getDigParams(groups, &tp, + luaL_checknumber(L, 3))); + return 1; +} + +// get_hit_params(groups, tool_capabilities[, time_from_last_punch]) +int ModApiBasic::l_get_hit_params(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::map<std::string, int> groups; + read_groups(L, 1, groups); + ToolCapabilities tp = read_tool_capabilities(L, 2); + if(lua_isnoneornil(L, 3)) + push_hit_params(L, getHitParams(groups, &tp)); + else + push_hit_params(L, getHitParams(groups, &tp, + luaL_checknumber(L, 3))); + return 1; +} + +// get_current_modname() +int ModApiBasic::l_get_current_modname(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname"); + return 1; +} + +// get_modpath(modname) +int ModApiBasic::l_get_modpath(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string modname = luaL_checkstring(L, 1); + // Do it + if(modname == "__builtin"){ + std::string path = getServer(L)->getBuiltinLuaPath(); + lua_pushstring(L, path.c_str()); + return 1; + } + const ModSpec *mod = getServer(L)->getModSpec(modname); + if(!mod){ + lua_pushnil(L); + return 1; + } + lua_pushstring(L, mod->path.c_str()); + return 1; +} + +// get_modnames() +// the returned list is sorted alphabetically for you +int ModApiBasic::l_get_modnames(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + // Get a list of mods + std::list<std::string> mods_unsorted, mods_sorted; + getServer(L)->getModNames(mods_unsorted); + + // Take unsorted items from mods_unsorted and sort them into + // mods_sorted; not great performance but the number of mods on a + // server will likely be small. + for(std::list<std::string>::iterator i = mods_unsorted.begin(); + i != mods_unsorted.end(); ++i) + { + bool added = false; + for(std::list<std::string>::iterator x = mods_sorted.begin(); + x != mods_sorted.end(); ++x) + { + // I doubt anybody using Minetest will be using + // anything not ASCII based :) + if((*i).compare(*x) <= 0) + { + mods_sorted.insert(x, *i); + added = true; + break; + } + } + if(!added) + mods_sorted.push_back(*i); + } + + // Get the table insertion function from Lua. + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int insertion_func = lua_gettop(L); + + // Package them up for Lua + lua_newtable(L); + int new_table = lua_gettop(L); + std::list<std::string>::iterator i = mods_sorted.begin(); + while(i != mods_sorted.end()) + { + lua_pushvalue(L, insertion_func); + lua_pushvalue(L, new_table); + lua_pushstring(L, (*i).c_str()); + if(lua_pcall(L, 2, 0, 0) != 0) + { + script_error(L, "error: %s", lua_tostring(L, -1)); + } + ++i; + } + return 1; +} + +// get_worldpath() +int ModApiBasic::l_get_worldpath(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string worldpath = getServer(L)->getWorldPath(); + lua_pushstring(L, worldpath.c_str()); + return 1; +} + +// sound_play(spec, parameters) +int ModApiBasic::l_sound_play(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + SimpleSoundSpec spec; + read_soundspec(L, 1, spec); + ServerSoundParams params; + read_server_sound_params(L, 2, params); + s32 handle = getServer(L)->playSound(spec, params); + lua_pushinteger(L, handle); + return 1; +} + +// sound_stop(handle) +int ModApiBasic::l_sound_stop(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + int handle = luaL_checkinteger(L, 1); + getServer(L)->stopSound(handle); + return 0; +} + +// is_singleplayer() +int ModApiBasic::l_is_singleplayer(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + lua_pushboolean(L, getServer(L)->isSingleplayer()); + return 1; +} + +// get_password_hash(name, raw_password) +int ModApiBasic::l_get_password_hash(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string name = luaL_checkstring(L, 1); + std::string raw_password = luaL_checkstring(L, 2); + std::string hash = translatePassword(name, + narrow_to_wide(raw_password)); + lua_pushstring(L, hash.c_str()); + return 1; +} + +// notify_authentication_modified(name) +int ModApiBasic::l_notify_authentication_modified(lua_State *L) +{ + NO_MAP_LOCK_REQUIRED; + std::string name = ""; + if(lua_isstring(L, 1)) + name = lua_tostring(L, 1); + getServer(L)->reportPrivsModified(name); + return 0; +} + +// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds +int ModApiBasic::l_rollback_get_last_node_actor(lua_State *L) +{ + v3s16 p = read_v3s16(L, 1); + int range = luaL_checknumber(L, 2); + int seconds = luaL_checknumber(L, 3); + Server *server = getServer(L); + IRollbackManager *rollback = server->getRollbackManager(); + v3s16 act_p; + int act_seconds = 0; + std::string actor = rollback->getLastNodeActor(p, range, seconds, &act_p, &act_seconds); + lua_pushstring(L, actor.c_str()); + push_v3s16(L, act_p); + lua_pushnumber(L, act_seconds); + return 3; +} + +// rollback_revert_actions_by(actor, seconds) -> bool, log messages +int ModApiBasic::l_rollback_revert_actions_by(lua_State *L) +{ + std::string actor = luaL_checkstring(L, 1); + int seconds = luaL_checknumber(L, 2); + Server *server = getServer(L); + IRollbackManager *rollback = server->getRollbackManager(); + std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds); + std::list<std::string> log; + bool success = server->rollbackRevertActions(actions, &log); + // Push boolean result + lua_pushboolean(L, success); + // Get the table insert function and push the log table + lua_getglobal(L, "table"); + lua_getfield(L, -1, "insert"); + int table_insert = lua_gettop(L); + lua_newtable(L); + int table = lua_gettop(L); + for(std::list<std::string>::const_iterator i = log.begin(); + i != log.end(); i++) + { + lua_pushvalue(L, table_insert); + lua_pushvalue(L, table); + lua_pushstring(L, i->c_str()); + if(lua_pcall(L, 2, 0, 0)) + script_error(L, "error: %s", lua_tostring(L, -1)); + } + lua_remove(L, -2); // Remove table + lua_remove(L, -2); // Remove insert + return 2; +} + +int ModApiBasic::l_register_ore(lua_State *L) +{ + int index = 1; + luaL_checktype(L, index, LUA_TTABLE); + + EmergeManager *emerge = getServer(L)->getEmergeManager(); + + enum OreType oretype = (OreType)getenumfield(L, index, + "ore_type", es_OreType, ORE_SCATTER); + Ore *ore = createOre(oretype); + if (!ore) { + errorstream << "register_ore: ore_type " + << oretype << " not implemented"; + return 0; + } + + ore->ore_name = getstringfield_default(L, index, "ore", ""); + ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0); + ore->wherein_name = getstringfield_default(L, index, "wherein", ""); + ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1); + ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1); + ore->clust_size = getintfield_default(L, index, "clust_size", 0); + ore->height_min = getintfield_default(L, index, "height_min", 0); + ore->height_max = getintfield_default(L, index, "height_max", 0); + ore->flags = getflagsfield(L, index, "flags", flagdesc_ore); + ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0.); + + lua_getfield(L, index, "noise_params"); + ore->np = read_noiseparams(L, -1); + lua_pop(L, 1); + + ore->noise = NULL; + + if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) { + errorstream << "register_ore: clust_scarcity and clust_num_ores" + "must be greater than 0" << std::endl; + delete ore; + return 0; + } + + emerge->ores.push_back(ore); + + verbosestream << "register_ore: ore '" << ore->ore_name + << "' registered" << std::endl; + return 0; +} + +ModApiBasic modapibasic_prototype; diff --git a/src/script/lua_api/luaapi.h b/src/script/lua_api/luaapi.h new file mode 100644 index 000000000..592046965 --- /dev/null +++ b/src/script/lua_api/luaapi.h @@ -0,0 +1,140 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef LUAAPI_H_ +#define LUAAPI_H_ + + +class ModApiBasic : public ModApiBase { + +public: + ModApiBasic(); + + bool Initialize(lua_State* L,int top); + +private: + // debug(text) + // Writes a line to dstream + static int l_debug(lua_State *L); + + // log([level,] text) + // Writes a line to the logger. + // The one-argument version logs to infostream. + // The two-argument version accept a log level: error, action, info, or verbose. + static int l_log(lua_State *L); + + // request_shutdown() + static int l_request_shutdown(lua_State *L); + + // get_server_status() + static int l_get_server_status(lua_State *L); + + // register_biome_groups({frequencies}) + static int l_register_biome_groups(lua_State *L); + + // register_biome({lots of stuff}) + static int l_register_biome(lua_State *L); + + // setting_set(name, value) + static int l_setting_set(lua_State *L); + + // setting_get(name) + static int l_setting_get(lua_State *L); + + // setting_getbool(name) + static int l_setting_getbool(lua_State *L); + + // setting_save() + static int l_setting_save(lua_State *L); + + // chat_send_all(text) + static int l_chat_send_all(lua_State *L); + + // chat_send_player(name, text) + static int l_chat_send_player(lua_State *L); + + // get_player_privs(name, text) + static int l_get_player_privs(lua_State *L); + + // get_player_ip() + static int l_get_player_ip(lua_State *L); + + // get_ban_list() + static int l_get_ban_list(lua_State *L); + + // get_ban_description() + static int l_get_ban_description(lua_State *L); + + // ban_player() + static int l_ban_player(lua_State *L); + + // unban_player_or_ip() + static int l_unban_player_of_ip(lua_State *L); + + // show_formspec(playername,formname,formspec) + static int l_show_formspec(lua_State *L); + + // get_dig_params(groups, tool_capabilities[, time_from_last_punch]) + static int l_get_dig_params(lua_State *L); + + // get_hit_params(groups, tool_capabilities[, time_from_last_punch]) + static int l_get_hit_params(lua_State *L); + + // get_current_modname() + static int l_get_current_modname(lua_State *L); + + // get_modpath(modname) + static int l_get_modpath(lua_State *L); + + // get_modnames() + // the returned list is sorted alphabetically for you + static int l_get_modnames(lua_State *L); + + // get_worldpath() + static int l_get_worldpath(lua_State *L); + + // sound_play(spec, parameters) + static int l_sound_play(lua_State *L); + + // sound_stop(handle) + static int l_sound_stop(lua_State *L); + + // is_singleplayer() + static int l_is_singleplayer(lua_State *L); + + // get_password_hash(name, raw_password) + static int l_get_password_hash(lua_State *L); + + // notify_authentication_modified(name) + static int l_notify_authentication_modified(lua_State *L); + + // rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds + static int l_rollback_get_last_node_actor(lua_State *L); + + // rollback_revert_actions_by(actor, seconds) -> bool, log messages + static int l_rollback_revert_actions_by(lua_State *L); + + static int l_register_ore(lua_State *L); + + static struct EnumString es_OreType[]; +}; + + + +#endif /* LUAAPI_H_ */ |