Duel.SetMetatable(userdata, table)

ocgcore/interpreter.cpp

@@ -370,6 +370,7 @@ static const struct luaL_Reg duellib[] = {
 	{ "ReadCard", scriptlib::duel_read_card },
 	{ "Exile", scriptlib::duel_exile },
 	{ "DisableActionCheck", scriptlib::duel_disable_action_check },
+	{ "SetMetatable", scriptlib::duel_setmetatable },
 
 	{ "EnableGlobalFlag", scriptlib::duel_enable_global_flag },
 	{ "GetLP", scriptlib::duel_get_lp },

ocgcore/libduel.cpp

@@ -154,6 +154,16 @@ int32 scriptlib::duel_disable_action_check(lua_State *L) {
 	pduel->lua->disable_action_check = dis;
 	return 0;
 }
+int32 scriptlib::duel_setmetatable(lua_State *L) {
+	check_param_count(L, 2);
+	if(!lua_isuserdata(L, 1))
+		luaL_error(L, "Parameter 1 should be \"Card\" or \"Effect\" or \"Group\".");
+	if(!lua_istable(L, 2))
+		luaL_error(L, "Parameter 2 should be \"Table\".");
+	lua_settop(L, 2);
+	lua_setmetatable(L, 1);	
+	return 0;
+}
 
 int32 scriptlib::duel_enable_global_flag(lua_State *L) {
 	check_param_count(L, 1);

ocgcore/scriptlib.h

@@ -32,6 +32,7 @@ public:
 	static int32 duel_read_card(lua_State *L);
 	static int32 duel_exile(lua_State *L);
 	static int32 duel_disable_action_check(lua_State *L);
+	static int32 duel_setmetatable(lua_State *L);
 
 	//card lib
 	static int32 card_get_code(lua_State *L);