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Diffstat (limited to 'src/script/cpp_api/s_nodemeta.cpp')
-rw-r--r-- | src/script/cpp_api/s_nodemeta.cpp | 261 |
1 files changed, 261 insertions, 0 deletions
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() { +} + + + |