/// <summary> /// Returns true if we can potentially match the two given offers. /// </summary> /// <returns></returns> private static bool IsValidLowPriorityOffer( TransferManager.TransferReason material, ref TransferManager.TransferOffer requestOffer, int requestPriority, ref TransferManager.TransferOffer responseOffer, int responsePriority) { var requestBuilding = TransferManagerInfo.GetHomeBuilding(ref requestOffer); var responseBuilding = TransferManagerInfo.GetHomeBuilding(ref responseOffer); if (responseBuilding == 0) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, not a district services building", material); return(false); } // Special logic if both buildings are warehouses. Used to prevent goods from being shuffled back and forth between warehouses. if (BuildingManager.instance.m_buildings.m_buffer[requestBuilding].Info.GetAI() is WarehouseAI && BuildingManager.instance.m_buildings.m_buffer[responseBuilding].Info.GetAI() is WarehouseAI) { return(false); } // Special logic for recycling centers, since they can produce recycled goods but the district policies // should not apply to these materials. if (responseBuilding != 0 && BuildingManager.instance.m_buildings.m_buffer[responseBuilding].Info.GetAI() is LandfillSiteAI) { if (TransferManagerInfo.IsOutsideOffer(ref requestOffer)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, allow recycling centers", material); return(true); } // Only allow if there are no restrictions on the request, OR if recycling center resides in an allowed district. var requestDistrictParksServed = Constraints.InputDistrictParkServiced(requestBuilding); var responseDistrictPark = TransferManagerInfo.GetDistrictPark(responseBuilding); if (Constraints.InputAllLocalAreas(requestBuilding) || responseDistrictPark.IsServedBy(requestDistrictParksServed)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, allow recycling centers", material); return(true); } else { return(false); } } // See if the request is from an outside connection ... if (TransferManagerInfo.IsOutsideOffer(ref requestOffer)) { if (TransferManagerInfo.IsOutsideOffer(ref responseOffer)) { // Prevent matching roads that are too close together ... var distanceSquared = Vector3.SqrMagnitude(responseOffer.Position - requestOffer.Position); return(distanceSquared > 100000); } else if (TransferManagerInfo.GetSupplyBuildingAmount(responseBuilding) > Constraints.InternalSupplyBuffer(responseBuilding)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, internal supply buffer, supply amount={TransferManagerInfo.GetSupplyBuildingAmount(responseBuilding)}, supply buffer={Constraints.InternalSupplyBuffer(responseBuilding)}", material); return(true); } else if (Constraints.OutputOutsideConnections(responseBuilding)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, matched inside to outside offer", material); return(true); } else { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, disallowed outside offer", material); return(false); } } // Here, we are guaranteed that the request is a local offer. if (TransferManagerInfo.IsOutsideBuilding(responseBuilding)) { // Don't be so aggressive in trying to serve low priority orders with outside connections. if (requestPriority > 1 && Constraints.InputOutsideConnections(requestBuilding)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, matched outside to inside offer", material); return(true); } } else if (TransferManagerInfo.GetSupplyBuildingAmount(responseBuilding) > Constraints.InternalSupplyBuffer(responseBuilding)) { // Only allow if the request building allows all incoming shipments if (Constraints.InputAllLocalAreas(requestBuilding)) { Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, internal supply buffer, supply amount={TransferManagerInfo.GetSupplyBuildingAmount(responseBuilding)}, supply buffer={Constraints.InternalSupplyBuffer(responseBuilding)}", material); return(true); } } Logger.LogMaterial( $"TransferManager::IsValidLowPriorityOffer: {Utils.ToString(ref responseOffer, material)}, not valid", material); return(false); }