mirror of https://github.com/minetest/minetest.git
124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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Copyright (C) 2017-8 rubenwardy <rw@rubenwardy.com>
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Copyright (C) 2017 raymoo
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "lua_api/l_itemstackmeta.h"
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#include "lua_api/l_internal.h"
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#include "common/c_content.h"
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#include "common/c_converter.h"
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#include "tool.h"
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/*
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ItemStackMetaRef
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*/
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IMetadata* ItemStackMetaRef::getmeta(bool auto_create)
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{
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return &istack->getItem().metadata;
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}
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void ItemStackMetaRef::clearMeta()
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{
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istack->getItem().metadata.clear();
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}
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void ItemStackMetaRef::reportMetadataChange(const std::string *name)
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{
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// TODO
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}
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// Exported functions
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int ItemStackMetaRef::l_set_tool_capabilities(lua_State *L)
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{
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ItemStackMetaRef *metaref = checkObject<ItemStackMetaRef>(L, 1);
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if (lua_isnoneornil(L, 2)) {
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metaref->clearToolCapabilities();
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} else if (lua_istable(L, 2)) {
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ToolCapabilities caps = read_tool_capabilities(L, 2);
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metaref->setToolCapabilities(caps);
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} else {
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luaL_typerror(L, 2, "table or nil");
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}
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return 0;
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}
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int ItemStackMetaRef::l_set_wear_bar_params(lua_State *L)
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{
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ItemStackMetaRef *metaref = checkObject<ItemStackMetaRef>(L, 1);
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if (lua_isnoneornil(L, 2)) {
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metaref->clearWearBarParams();
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} else if (lua_istable(L, 2) || lua_isstring(L, 2)) {
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metaref->setWearBarParams(read_wear_bar_params(L, 2));
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} else {
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luaL_typerror(L, 2, "table, ColorString, or nil");
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}
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return 0;
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}
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ItemStackMetaRef::ItemStackMetaRef(LuaItemStack *istack): istack(istack)
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{
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istack->grab();
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}
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ItemStackMetaRef::~ItemStackMetaRef()
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{
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istack->drop();
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}
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// Creates an NodeMetaRef and leaves it on top of stack
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// Not callable from Lua; all references are created on the C side.
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void ItemStackMetaRef::create(lua_State *L, LuaItemStack *istack)
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{
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ItemStackMetaRef *o = new ItemStackMetaRef(istack);
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//infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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}
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void ItemStackMetaRef::Register(lua_State *L)
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{
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registerMetadataClass(L, className, methods);
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// Cannot be created from Lua
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//lua_register(L, className, create_object);
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}
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const char ItemStackMetaRef::className[] = "ItemStackMetaRef";
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const luaL_Reg ItemStackMetaRef::methods[] = {
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luamethod(MetaDataRef, contains),
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luamethod(MetaDataRef, get),
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luamethod(MetaDataRef, get_string),
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luamethod(MetaDataRef, set_string),
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luamethod(MetaDataRef, get_int),
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luamethod(MetaDataRef, set_int),
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luamethod(MetaDataRef, get_float),
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luamethod(MetaDataRef, set_float),
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luamethod(MetaDataRef, get_keys),
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luamethod(MetaDataRef, to_table),
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luamethod(MetaDataRef, from_table),
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luamethod(MetaDataRef, equals),
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luamethod(ItemStackMetaRef, set_tool_capabilities),
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luamethod(ItemStackMetaRef, set_wear_bar_params),
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{0,0}
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};
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