minetest/src/script/cpp_api/s_nodemeta.cpp

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/*
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() {
}