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Consolidate API object code (#12728)

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Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
Jude Melton-Houghton 2022-10-04 08:31:36 -04:00 • committed by GitHub
parent b21fb18379
commit 7632af3c73
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42 changed files with 463 additions and 1079 deletions
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50
src/script/lua_api/l_itemstackmeta.cpp
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@ -24,17 +24,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "common/c_content.h"
/*
NodeMetaRef
ItemStackMetaRef
*/
ItemStackMetaRef* ItemStackMetaRef::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 *(ItemStackMetaRef**)ud; // unbox pointer
}
IMetadata* ItemStackMetaRef::getmeta(bool auto_create)
{
@ -54,7 +45,7 @@ void ItemStackMetaRef::reportMetadataChange(const std::string *name)
// Exported functions
int ItemStackMetaRef::l_set_tool_capabilities(lua_State *L)
{
ItemStackMetaRef *metaref = checkobject(L, 1);
ItemStackMetaRef *metaref = checkObject<ItemStackMetaRef>(L, 1);
if (lua_isnoneornil(L, 2)) {
metaref->clearToolCapabilities();
} else if (lua_istable(L, 2)) {
@ -77,13 +68,6 @@ ItemStackMetaRef::~ItemStackMetaRef()
istack->drop();
}
// garbage collector
int ItemStackMetaRef::gc_object(lua_State *L) {
ItemStackMetaRef *o = *(ItemStackMetaRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
// 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)
@ -97,35 +81,7 @@ void ItemStackMetaRef::create(lua_State *L, LuaItemStack *istack)
void ItemStackMetaRef::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);
lua_pushliteral(L, "__index");
lua_pushvalue(L, methodtable);
lua_settable(L, metatable);
lua_pushliteral(L, "__gc");
lua_pushcfunction(L, gc_object);
lua_settable(L, metatable);
lua_pushliteral(L, "__eq");
lua_pushcfunction(L, l_equals);
lua_settable(L, metatable);
lua_pop(L, 1); // drop metatable
luaL_register(L, nullptr, methods); // fill methodtable
lua_pop(L, 1); // drop methodtable
registerMetadataClass(L, className, methods);
// Cannot be created from Lua
//lua_register(L, className, create_object);