public override int Execute(LogicLevel level)
        {
            LogicGameObject gameObject = level.GetGameObjectManager().GetGameObjectByID(this.m_gameObjectId);

            if (gameObject != null && gameObject.GetGameObjectType() == LogicGameObjectType.BUILDING)
            {
                LogicBuilding building = (LogicBuilding)gameObject;

                if (building.IsLocked())
                {
                    if (building.GetUpgradeLevel() == 0 && building.CanUnlock(true))
                    {
                        LogicBuildingData buildingData = building.GetBuildingData();

                        if (buildingData.GetConstructionTime(0, level, 0) == 0 || level.HasFreeWorkers(this, -1))
                        {
                            LogicClientAvatar playerAvatar  = level.GetPlayerAvatar();
                            LogicResourceData buildResource = buildingData.GetBuildResource(0);
                            int buildCost = buildingData.GetBuildCost(0, level);

                            if (playerAvatar.HasEnoughResources(buildResource, buildCost, true, this, false))
                            {
                                playerAvatar.CommodityCountChangeHelper(0, buildResource, -buildCost);
                                building.StartConstructing(true);
                                building.GetListener().RefreshState();

                                return(0);
                            }
                        }
                    }
                }
            }

            return(-1);
        }