Method SetSceneNodeFunc

src/lua/LuaSceneNode.cpp:412–436

int LuaSceneNodeMgr::SetSceneNodeFunc(lua_State* L) {
  LuaSceneNode* sceneNode = CheckLuaSceneNode(L, 1);

  const int type = lua_type(L, 2);
  if ((type != LUA_TNIL) && (type != LUA_TFUNCTION)) {
    luaL_error(L, "bad function type");
  }

  if (sceneNode == NULL) {
    lua_settop(L, 1);
    return 1;
  }

  int& ref = sceneNode->renderNode.funcRef;
  if (ref != LUA_NOREF) {
    luaL_unref(L, LUA_REGISTRYINDEX, ref);
    ref = LUA_NOREF;
  }
  if (type == LUA_TFUNCTION) {
    lua_settop(L, 2);
    ref = luaL_ref(L, LUA_REGISTRYINDEX);
  }
  lua_settop(L, 1);
  return 1;
}


int LuaSceneNodeMgr::SetSceneNodeData(lua_State* L) {