private OperationResponse ItemOperationDestroy(Item item, DestroyItem operation) { MethodReturnValue result = this.CheckAccess(item); if (result.IsOk) { item.Destroy(); item.Dispose(); this.RemoveItem(item); item.World.ItemCache.RemoveItem(item.Id); var eventInstance = new ItemDestroyed { ItemId = item.Id }; var eventData = new EventData((byte)EventCode.ItemDestroyed, eventInstance); this.Peer.SendEvent(eventData, new SendParameters { ChannelId = Settings.ItemEventChannel }); // no response, event is sufficient operation.OnComplete(); return(null); } return(operation.GetOperationResponse(result)); }
/// <summary> /// Handles operation <see cref = "DestroyItem" />: Destroys an existing <see cref = "MmoItem" />. /// The <see cref = "MmoItem.Owner" /> must be this actor instance. /// </summary> /// <param name = "peer"> /// The client peer. /// </param> /// <param name = "request"> /// The request. /// </param> /// <param name = "sendParameters"> /// The send Parameters. /// </param> /// <returns> /// An <see cref = "OperationResponse" /> with error code <see cref = "ReturnCode.Ok" />, <see cref = "ReturnCode.ItemNotFound" /> or <see cref = "ReturnCode.ItemAccessDenied" />. /// </returns> public override OperationResponse Handle(MmoActor actor, OperationRequest request, SendParameters sendParameters) { var operation = new DestroyItem(actor.Peer.Protocol, request); if (!operation.IsValid) { return(new OperationResponse(request.OperationCode) { ReturnCode = (int)ReturnCode.InvalidOperationParameter, DebugMessage = operation.GetErrorMessage() }); } operation.OnStart(); Item item; bool actorItem = actor.TryGetItem(operation.ItemType, operation.ItemId, out item); if (actorItem == false) { IWorld world = actor.World; // search world cache just to see if item exists at all if (world.ItemCache.TryGetItem(operation.ItemType, operation.ItemId, out item) == false) { return(operation.GetOperationResponse((int)ReturnCode.ItemNotFound, "ItemNotFound")); } } if (actorItem) { // we are already in the item thread, invoke directly return(ItemOperationDestroy(actor, item, operation)); } // second parameter (peer) allows us to send an error event to the client (in case of an error) // error ItemAccessDenied or ItemNotFound will be returned item.Fiber.Enqueue(() => actor.ExecItemOperation(() => this.ItemOperationDestroy(actor, item, operation), sendParameters)); // operation is continued later return(null); }