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path: root/src/network/serveropcodes.cpp
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>

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 "serveropcodes.h"

const static ToServerCommandHandler null_command_handler = { "TOSERVER_NULL", TOSERVER_STATE_ALL, &Server::handleCommand_Null };

const ToServerCommandHandler toServerCommandTable[TOSERVER_NUM_MSG_TYPES] =
{
	null_command_handler, // 0x00 (never use this)
	null_command_handler, // 0x01
	{ "TOSERVER_INIT",                     TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_Init }, // 0x02
	null_command_handler, // 0x03
	null_command_handler, // 0x04
	null_command_handler, // 0x05
	null_command_handler, // 0x06
	null_command_handler, // 0x07
	null_command_handler, // 0x08
	null_command_handler, // 0x09
	null_command_handler, // 0x0a
	null_command_handler, // 0x0b
	null_command_handler, // 0x0c
	null_command_handler, // 0x0d
	null_command_handler, // 0x0e
	null_command_handler, // 0x0f
	null_command_handler, // 0x10
	{ "TOSERVER_INIT2",                    TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_Init2 }, // 0x11
	null_command_handler, // 0x12
	null_command_handler, // 0x13
	null_command_handler, // 0x14
	null_command_handler, // 0x15
	null_command_handler, // 0x16
	{ "TOSERVER_MODCHANNEL_JOIN",          TOSERVER_STATE_INGAME, &Server::handleCommand_ModChannelJoin }, // 0x17
	{ "TOSERVER_MODCHANNEL_LEAVE",         TOSERVER_STATE_INGAME, &Server::handleCommand_ModChannelLeave }, // 0x18
	{ "TOSERVER_MODCHANNEL_MSG",           TOSERVER_STATE_INGAME, &Server::handleCommand_ModChannelMsg }, // 0x19
	null_command_handler, // 0x1a
	null_command_handler, // 0x1b
	null_command_handler, // 0x1c
	null_command_handler, // 0x1d
	null_command_handler, // 0x1e
	null_command_handler, // 0x1f
	null_command_handler, // 0x20
	null_command_handler, // 0x21
	null_command_handler, // 0x22
	{ "TOSERVER_PLAYERPOS",                TOSERVER_STATE_INGAME, &Server::handleCommand_PlayerPos }, // 0x23
	{ "TOSERVER_GOTBLOCKS",                TOSERVER_STATE_STARTUP, &Server::handleCommand_GotBlocks }, // 0x24
	{ "TOSERVER_DELETEDBLOCKS",            TOSERVER_STATE_INGAME, &Server::handleCommand_DeletedBlocks }, // 0x25
	null_command_handler, // 0x26
	null_command_handler, // 0x27
	null_command_handler, // 0x28
	null_command_handler, // 0x29
	null_command_handler, // 0x2a
	null_command_handler, // 0x2b
	null_command_handler, // 0x2c
	null_command_handler, // 0x2d
	null_command_handler, // 0x2e
	null_command_handler, // 0x2f
	null_command_handler, // 0x30
	{ "TOSERVER_INVENTORY_ACTION",         TOSERVER_STATE_INGAME, &Server::handleCommand_InventoryAction }, // 0x31
	{ "TOSERVER_CHAT_MESSAGE",             TOSERVER_STATE_INGAME, &Server::handleCommand_ChatMessage }, // 0x32
	null_command_handler, // 0x33
	null_command_handler, // 0x34
	{ "TOSERVER_DAMAGE",                   TOSERVER_STATE_INGAME, &Server::handleCommand_Damage }, // 0x35
	null_command_handler, // 0x36
	{ "TOSERVER_PLAYERITEM",               TOSERVER_STATE_INGAME, &Server::handleCommand_PlayerItem }, // 0x37
	{ "TOSERVER_RESPAWN",                  TOSERVER_STATE_INGAME, &Server::handleCommand_Respawn }, // 0x38
	{ "TOSERVER_INTERACT",                 TOSERVER_STATE_INGAME, &Server::handleCommand_Interact }, // 0x39
	{ "TOSERVER_REMOVED_SOUNDS",           TOSERVER_STATE_INGAME, &Server::handleCommand_RemovedSounds }, // 0x3a
	{ "TOSERVER_NODEMETA_FIELDS",          TOSERVER_STATE_INGAME, &Server::handleCommand_NodeMetaFields }, // 0x3b
	{ "TOSERVER_INVENTORY_FIELDS",         TOSERVER_STATE_INGAME, &Server::handleCommand_InventoryFields }, // 0x3c
	null_command_handler, // 0x3d
	null_command_handler, // 0x3e
	null_command_handler, // 0x3f
	{ "TOSERVER_REQUEST_MEDIA",            TOSERVER_STATE_STARTUP, &Server::handleCommand_RequestMedia }, // 0x40
	null_command_handler, // 0x41
	null_command_handler, // 0x42
	{ "TOSERVER_CLIENT_READY",             TOSERVER_STATE_STARTUP, &Server::handleCommand_ClientReady }, // 0x43
	null_command_handler, // 0x44
	null_command_handler, // 0x45
	null_command_handler, // 0x46
	null_command_handler, // 0x47
	null_command_handler, // 0x48
	null_command_handler, // 0x49
	null_command_handler, // 0x4a
	null_command_handler, // 0x4b
	null_command_handler, // 0x4c
	null_command_handler, // 0x4d
	null_command_handler, // 0x4e
	null_command_handler, // 0x4f
	{ "TOSERVER_FIRST_SRP",          TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_FirstSrp }, // 0x50
	{ "TOSERVER_SRP_BYTES_A",        TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_SrpBytesA }, // 0x51
	{ "TOSERVER_SRP_BYTES_M",        TOSERVER_STATE_NOT_CONNECTED, &Server::handleCommand_SrpBytesM }, // 0x52
};

const static ClientCommandFactory null_command_factory = { "TOCLIENT_NULL", 0, false };

const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] =
{
	null_command_factory, // 0x00
	null_command_factory, // 0x01
	{ "TOCLIENT_HELLO",             0, true }, // 0x02
	{ "TOCLIENT_AUTH_ACCEPT",       0, true }, // 0x03
	{ "TOCLIENT_ACCEPT_SUDO_MODE",  0, true }, // 0x04
	{ "TOCLIENT_DENY_SUDO_MODE",    0, true }, // 0x05
	null_command_factory, // 0x06
	null_command_factory, // 0x07
	null_command_factory, // 0x08
	null_command_factory, // 0x09
	{ "TOCLIENT_ACCESS_DENIED",     0, true }, // 0x0A
	null_command_factory, // 0x0B
	null_command_factory, // 0x0C
	null_command_factory, // 0x0D
	null_command_factory, // 0x0E
	null_command_factory, // 0x0F
	{ "TOCLIENT_INIT",              0, true }, // 0x10
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	{ "TOCLIENT_BLOCKDATA",                2, true }, // 0x20
	{ "TOCLIENT_ADDNODE",                  0, true }, // 0x21
	{ "TOCLIENT_REMOVENODE",               0, true }, // 0x22
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	{ "TOCLIENT_INVENTORY",                0, true }, // 0x27
	null_command_factory,
	{ "TOCLIENT_TIME_OF_DAY",              0, true }, // 0x29
	{ "TOCLIENT_CSM_FLAVOUR_LIMITS",       0, true }, // 0x2A
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	{ "TOCLIENT_CHAT_MESSAGE",             0, true }, // 0x2F
	null_command_factory, // 0x30
	{ "TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD", 0, true }, // 0x31
	{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES",   0, true }, // 0x32 Special packet, sent by 0 (rel) and 1 (unrel) channel
	{ "TOCLIENT_HP",                       0, true }, // 0x33
	{ "TOCLIENT_MOVE_PLAYER",              0, true }, // 0x34
	{ "TOCLIENT_ACCESS_DENIED_LEGACY",     0, true }, // 0x35
	null_command_factory, // 0x36
	{ "TOCLIENT_DEATHSCREEN",              0, true }, // 0x37
	{ "TOCLIENT_MEDIA",                    2, true }, // 0x38
	null_command_factory, // 0x39
	{ "TOCLIENT_NODEDEF",                  0, true }, // 0x3a
	null_command_factory, // 0x3b
	{ "TOCLIENT_ANNOUNCE_MEDIA",           0, true }, // 0x3c
	{ "TOCLIENT_ITEMDEF",                  0, true }, // 0x3d
	null_command_factory,
	{ "TOCLIENT_PLAY_SOUND",               0, true }, // 0x3f
	{ "TOCLIENT_STOP_SOUND",               0, true }, // 0x40
	{ "TOCLIENT_PRIVILEGES",               0, true }, // 0x41
	{ "TOCLIENT_INVENTORY_FORMSPEC",       0, true }, // 0x42
	{ "TOCLIENT_DETACHED_INVENTORY",       0, true }, // 0x43
	{ "TOCLIENT_SHOW_FORMSPEC",            0, true }, // 0x44
	{ "TOCLIENT_MOVEMENT",                 0, true }, // 0x45
	{ "TOCLIENT_SPAWN_PARTICLE",           0, true }, // 0x46
	{ "TOCLIENT_ADD_PARTICLESPAWNER",      0, true }, // 0x47
	null_command_factory, // 0x48
	{ "TOCLIENT_HUDADD",                   1, true }, // 0x49
	{ "TOCLIENT_HUDRM",                    1, true }, // 0x4a
	{ "TOCLIENT_HUDCHANGE",                0, true }, // 0x4b
	{ "TOCLIENT_HUD_SET_FLAGS",            0, true }, // 0x4c
	{ "TOCLIENT_HUD_SET_PARAM",            0, true }, // 0x4d
	{ "TOCLIENT_BREATH",                   0, true }, // 0x4e
	{ "TOCLIENT_SET_SKY",                  0, true }, // 0x4f
	{ "TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO", 0, true }, // 0x50
	{ "TOCLIENT_LOCAL_PLAYER_ANIMATIONS",  0, true }, // 0x51
	{ "TOCLIENT_EYE_OFFSET",               0, true }, // 0x52
	{ "TOCLIENT_DELETE_PARTICLESPAWNER",   0, true }, // 0x53
	{ "TOCLIENT_CLOUD_PARAMS",             0, true }, // 0x54
	{ "TOCLIENT_FADE_SOUND",               0, true }, // 0x55
	{ "TOCLIENT_UPDATE_PLAYER_LIST",       0, true }, // 0x56
	{ "TOCLIENT_MODCHANNEL_MSG",           0, true}, // 0x57
	{ "TOCLIENT_MODCHANNEL_SIGNAL",        0, true}, // 0x58
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	null_command_factory,
	{ "TOSERVER_SRP_BYTES_S_B",            0, true }, // 0x60
	{ "TOCLIENT_FORMSPEC_PREPEND",         0, true }, // 0x61
};
/span>(L, table, "recipe"); if(lua_isnil(L, -1)) throw LuaError("Crafting definition (shapeless)" " is missing a recipe" " (output=\"" + output + "\")"); if(!readCraftRecipeShapeless(L, -1, recipe)) throw LuaError("Invalid crafting recipe" " (output=\"" + output + "\")"); CraftReplacements replacements; lua_getfield(L, table, "replacements"); if(!lua_isnil(L, -1)) { if(!readCraftReplacements(L, -1, replacements)) throw LuaError("Invalid replacements" " (output=\"" + output + "\")"); } CraftDefinition *def = new CraftDefinitionShapeless( output, recipe, replacements); craftdef->registerCraft(def, getServer(L)); } /* 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, getServer(L)); } /* CraftDefinitionCooking */ else if(type == "cooking"){ std::string output = getstringfield_default(L, table, "output", ""); if(output == "") throw LuaError("Crafting definition (cooking)" " is missing an output"); std::string recipe = getstringfield_default(L, table, "recipe", ""); if(recipe == "") throw LuaError("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("Invalid replacements" " (cooking output=\"" + output + "\")"); } CraftDefinition *def = new CraftDefinitionCooking( output, recipe, cooktime, replacements); craftdef->registerCraft(def, getServer(L)); } /* CraftDefinitionFuel */ else if(type == "fuel"){ std::string recipe = getstringfield_default(L, table, "recipe", ""); if(recipe == "") throw LuaError("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("Invalid replacements" " (fuel recipe=\"" + recipe + "\")"); } CraftDefinition *def = new CraftDefinitionFuel( recipe, burntime, replacements); craftdef->registerCraft(def, getServer(L)); } else { throw LuaError("Unknown crafting definition type: \"" + type + "\""); } lua_pop(L, 1); return 0; /* number of results */ } // clear_craft({[output=item], [recipe={{item00,item10},{item01,item11}}]) int ModApiCraft::l_clear_craft(lua_State *L) { NO_MAP_LOCK_REQUIRED; 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 output = getstringfield_default(L, table, "output", ""); std::string type = getstringfield_default(L, table, "type", "shaped"); CraftOutput c_output(output, 0); if (output != "") { if (craftdef->clearCraftRecipesByOutput(c_output, getServer(L))) return 0; else throw LuaError("No craft recipe known for output" " (output=\"" + output + "\")"); } std::vector<std::string> recipe; int width = 0; CraftMethod method = CRAFT_METHOD_NORMAL; /* CraftDefinitionShaped */ if (type == "shaped") { lua_getfield(L, table, "recipe"); if (lua_isnil(L, -1)) throw LuaError("Either output or recipe has to be defined"); if (!readCraftRecipeShaped(L, -1, width, recipe)) throw LuaError("Invalid crafting recipe"); } /* CraftDefinitionShapeless */ else if (type == "shapeless") { lua_getfield(L, table, "recipe"); if (lua_isnil(L, -1)) throw LuaError("Either output or recipe has to be defined"); if (!readCraftRecipeShapeless(L, -1, recipe)) throw LuaError("Invalid crafting recipe"); } /* CraftDefinitionCooking */ else if (type == "cooking") { method = CRAFT_METHOD_COOKING; std::string rec = getstringfield_default(L, table, "recipe", ""); if (rec == "") throw LuaError("Crafting definition (cooking)" " is missing a recipe"); recipe.push_back(rec); } /* CraftDefinitionFuel */ else if (type == "fuel") { method = CRAFT_METHOD_FUEL; std::string rec = getstringfield_default(L, table, "recipe", ""); if (rec == "") throw LuaError("Crafting definition (fuel)" " is missing a recipe"); recipe.push_back(rec); } else { throw LuaError("Unknown crafting definition type: \"" + type + "\""); } if (!craftdef->clearCraftRecipesByInput(method, width, recipe, getServer(L))) throw LuaError("No crafting specified for input"); lua_pop(L, 1); return 0; } // 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; std::vector<ItemStack> output_replacements; bool got = cdef->getCraftResult(input, output, output_replacements, true, gdef); lua_newtable(L); // output table if (got) { ItemStack item; item.deSerialize(output.item, gdef->idef()); LuaItemStack::create(L, item);