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generated by cgit v1.2.3 (git 2.39.1) at 2025-05-11 04:00:34 +0000
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017-8 rubenwardy <rw@rubenwardy.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_playermeta.h"
#include "lua_api/l_internal.h"
#include "common/c_content.h"

/*
	PlayerMetaRef
*/
PlayerMetaRef *PlayerMetaRef::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 *(PlayerMetaRef **)ud; // unbox pointer
}

Metadata *PlayerMetaRef::getmeta(bool auto_create)
{
	return metadata;
}

void PlayerMetaRef::clearMeta()
{
	metadata->clear();
}

void PlayerMetaRef::reportMetadataChange(const std::string *name)
{
	// TODO
}

// garbage collector
int PlayerMetaRef::gc_object(lua_State *L)
{
	PlayerMetaRef *o = *(PlayerMetaRef **)(lua_touserdata(L, 1));
	delete o;
	return 0;
}

// Creates an PlayerMetaRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
void PlayerMetaRef::create(lua_State *L, Metadata *metadata)
{
	PlayerMetaRef *o = new PlayerMetaRef(metadata);
	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
	luaL_getmetatable(L, className);
	lua_setmetatable(L, -2);
}

void PlayerMetaRef::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, "metadata_class");
	lua_pushlstring(L, className, strlen(className));
	lua_settable(L, metatable);