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); }