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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017-8 rubenwardy <rw@rubenwardy.com>
Copyright (C) 2017 raymoo
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_itemstackmeta.h"
#include "lua_api/l_internal.h"
#include "common/c_content.h"
/*
ItemStackMetaRef
*/
IMetadata* ItemStackMetaRef::getmeta(bool auto_create)
{
return &istack->getItem().metadata;
}
void ItemStackMetaRef::clearMeta()
{
istack->getItem().metadata.clear();
}
void ItemStackMetaRef::reportMetadataChange(const std::string *name)
{
// TODO
}
// Exported functions
int ItemStackMetaRef::l_set_tool_capabilities(lua_State *L)
{
ItemStackMetaRef *metaref = checkObject<ItemStackMetaRef>(L, 1);
if (lua_isnoneornil(L, 2)) {
metaref->clearToolCapabilities();
} else if (lua_istable(L, 2)) {
ToolCapabilities caps = read_tool_capabilities(L, 2);
metaref->setToolCapabilities(caps);
} else {
luaL_typerror(L, 2, "table or nil");
}
return 0;
}
ItemStackMetaRef::ItemStackMetaRef(LuaItemStack *istack): istack(istack)
{
istack->grab();
}
ItemStackMetaRef::~ItemStackMetaRef()
{
istack->drop();
}
// Creates an NodeMetaRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
void ItemStackMetaRef::create(lua_State *L, LuaItemStack *istack)
{
ItemStackMetaRef *o = new ItemStackMetaRef(istack);
//infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
void ItemStackMetaRef::Register(lua_State *L)
{
registerMetadataClass(L, className, methods);
// Cannot be created from Lua
//lua_register(L, className, create_object);
}
const char ItemStackMetaRef::className[] = "ItemStackMetaRef";
const luaL_Reg ItemStackMetaRef::methods[] = {
luamethod(MetaDataRef, contains),
luamethod(MetaDataRef, get),
luamethod(MetaDataRef, get_string),
luamethod(MetaDataRef, set_string),
luamethod(MetaDataRef, get_int),
luamethod(MetaDataRef, set_int),
luamethod(MetaDataRef, get_float),
luamethod(MetaDataRef, set_float),
luamethod(MetaDataRef, to_table),
luamethod(MetaDataRef, from_table),
luamethod(MetaDataRef, equals),
luamethod(ItemStackMetaRef, set_tool_capabilities),
{0,0}
};
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