Function CompScriptSetProperty

engine/gameobject/src/gameobject/comp_script.cpp:1029–1092

    }

    PropertyResult CompScriptSetProperty(const ComponentSetPropertyParams& params)
    {
        HScriptInstance script_instance = (HScriptInstance)*params.m_UserData;

        dmPropertiesDDF::PropertyDeclarations* declarations = &script_instance->m_Script->m_LuaModule->m_Properties;
        PropertyType type = PROPERTY_TYPE_NUMBER;
        const char* property_name = 0x0;
        dmhash_t* element_ids = 0x0;
        bool is_element = false;
        uint32_t element_index = 0;
        if (!FindPropertyName(declarations, params.m_PropertyId, &property_name, &type, &element_ids, &is_element, &element_index))
            return PROPERTY_RESULT_NOT_FOUND;

        lua_State* L = GetLuaState(script_instance);

        int top = lua_gettop(L);
        (void)top;

        // Only push the script instance if it's not present already
        bool pushed_instance = false;
        dmScript::GetInstance(L);
        pushed_instance = lua_isnil(L, -1);
        lua_pop(L, 1);
        if (pushed_instance)
        {
            lua_rawgeti(L, LUA_REGISTRYINDEX, script_instance->m_InstanceReference);
            dmScript::SetInstance(L);
        }

        lua_rawgeti(L, LUA_REGISTRYINDEX, script_instance->m_ScriptDataReference);

        PropertyVar var = params.m_Value;
        if (is_element)
        {
            PropertyResult result = PROPERTY_RESULT_NOT_FOUND;
            lua_pushstring(L, property_name);
            lua_rawget(L, -2);
            if (!lua_isnil(L, -1))
            {
                result = LuaToVar(L, -1, var);
                if (result == PROPERTY_RESULT_OK)
                {
                    var.m_V4[element_index] = (float) params.m_Value.m_Number;
                }
            }

            lua_pop(L, 1);
        }
        lua_pushstring(L, property_name);
        LuaPushVar(L, var);
        lua_rawset(L, -3);

        lua_pop(L, 1);

        if (pushed_instance)
        {
            lua_pushnil(L);
            dmScript::SetInstance(L);