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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 "cpp_api/s_internal.h"
#include "common/c_converter.h"
#include "nodedef.h"
#include "mapnode.h"
#include "server.h"
#include "environment.h"
#include "lua_api/l_item.h"
// Return number of accepted items to be moved
int ScriptApiNodemeta::nodemeta_inventory_AllowMove(
const MoveAction &ma, int count,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.to_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return 0;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_move", &ma.to_inv.p))
return count;
// function(pos, from_list, from_index, to_list, to_index, count, player)
push_v3s16(L, ma.to_inv.p); // pos
lua_pushstring(L, ma.from_list.c_str()); // from_list
lua_pushinteger(L, ma.from_i + 1); // from_index
lua_pushstring(L, ma.to_list.c_str()); // to_list
lua_pushinteger(L, ma.to_i + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 7, 1, error_handler));
if (!lua_isnumber(L, -1))
throw LuaError("allow_metadata_inventory_move should"
" return a number, guilty node: " + nodename);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return num;
}
// Return number of accepted items to be put
int ScriptApiNodemeta::nodemeta_inventory_AllowPut(
const MoveAction &ma, const ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.to_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return 0;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_put", &ma.to_inv.p))
return stack.count;
// Call function(pos, listname, index, stack, player)
push_v3s16(L, ma.to_inv.p); // pos
lua_pushstring(L, ma.to_list.c_str()); // listname
lua_pushinteger(L, ma.to_i + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 1, error_handler));
if(!lua_isnumber(L, -1))
throw LuaError("allow_metadata_inventory_put should"
" return a number, guilty node: " + nodename);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return num;
}
// Return number of accepted items to be taken
int ScriptApiNodemeta::nodemeta_inventory_AllowTake(
const MoveAction &ma, const ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.from_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return 0;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_take", &ma.from_inv.p))
return stack.count;
// Call function(pos, listname, index, count, player)
push_v3s16(L, ma.from_inv.p); // pos
lua_pushstring(L, ma.from_list.c_str()); // listname
lua_pushinteger(L, ma.from_i + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 1, error_handler));
if (!lua_isnumber(L, -1))
throw LuaError("allow_metadata_inventory_take should"
" return a number, guilty node: " + nodename);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return num;
}
// Report moved items
void ScriptApiNodemeta::nodemeta_inventory_OnMove(
const MoveAction &ma, int count,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.from_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_move", &ma.from_inv.p))
return;
// function(pos, from_list, from_index, to_list, to_index, count, player)
push_v3s16(L, ma.from_inv.p); // pos
lua_pushstring(L, ma.from_list.c_str()); // from_list
lua_pushinteger(L, ma.from_i + 1); // from_index
lua_pushstring(L, ma.to_list.c_str()); // to_list
lua_pushinteger(L, ma.to_i + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 7, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
// Report put items
void ScriptApiNodemeta::nodemeta_inventory_OnPut(
const MoveAction &ma, const ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.to_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_put", &ma.to_inv.p))
return;
// Call function(pos, listname, index, stack, player)
push_v3s16(L, ma.to_inv.p); // pos
lua_pushstring(L, ma.to_list.c_str()); // listname
lua_pushinteger(L, ma.to_i + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
// Report taken items
void ScriptApiNodemeta::nodemeta_inventory_OnTake(
const MoveAction &ma, const ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
const NodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
MapNode node = getEnv()->getMap().getNodeNoEx(ma.from_inv.p);
if (node.getContent() == CONTENT_IGNORE)
return;
// Push callback function on stack
std::string nodename = ndef->get(node).name;
if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_take", &ma.from_inv.p))
return;
// Call function(pos, listname, index, stack, player)
push_v3s16(L, ma.from_inv.p); // pos
lua_pushstring(L, ma.from_list.c_str()); // listname
lua_pushinteger(L, ma.from_i + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
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