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));
}
private OperationResponse ItemOperationSetProperties(Item item, SetProperties operation, SendParameters sendParameters)
{
MethodReturnValue result = this.CheckAccess(item);
if (result.IsOk)
{
item.SetProperties(operation.PropertiesSet, operation.PropertiesUnset);
var eventInstance = new ItemPropertiesSet
{
ItemId = item.Id,
PropertiesRevision = item.PropertiesRevision,
PropertiesSet = operation.PropertiesSet,
PropertiesUnset = operation.PropertiesUnset
};
var eventData = new EventData((byte)EventCode.ItemPropertiesSet, eventInstance);
sendParameters.ChannelId = Settings.ItemEventChannel;
var message = new ItemEventMessage(item, eventData, sendParameters);
item.EventChannel.Publish(message);
// no response sent
operation.OnComplete();
return(null);
}
return(operation.GetOperationResponse(result));
}
private MethodReturnValue CheckAccess(Item item)
{
if (item.Disposed)
{
return(MethodReturnValue.New((int)ReturnCode.ItemNotFound, "ItemNotFound"));
}
if (((Item)item).GrantWriteAccess(this))
{
return(MethodReturnValue.Ok);
}
return(MethodReturnValue.New((int)ReturnCode.ItemAccessDenied, "ItemAccessDenied"));
}
private OperationResponse ItemOperationSpawn(Item item, SpawnItem operation)
{
// this should always return Ok
MethodReturnValue result = this.CheckAccess(item);
if (result.IsOk)
{
item.Rotation = operation.Rotation;
item.Spawn(operation.Position);
((World)this.World).Radar.AddItem(item, operation.Position);
}
operation.OnComplete();
return(operation.GetOperationResponse(result));
}
/// <summary>
/// Expects operation <see cref = "CreateWorld" /> and adds a new <see cref = "MmoWorld" /> to the <see cref = "MmoWorldCache" />.
/// </summary>
/// <param name = "peer">
/// The client peer.
/// </param>
/// <param name = "request">
/// The request.
/// </param>
/// <returns>
/// An <see cref = "OperationResponse" /> with error code <see cref = "ReturnCode.Ok" /> or <see cref = "ReturnCode.WorldAlreadyExists" />.
/// </returns>
public OperationResponse OperationCreateWorld(PeerBase peer, OperationRequest request)
{
var operation = new CreateWorld(peer.Protocol, request);
if (!operation.IsValid)
{
return(new OperationResponse(request.OperationCode)
{
ReturnCode = (int)ReturnCode.InvalidOperationParameter, DebugMessage = operation.GetErrorMessage()
});
}
MmoWorld world;
MethodReturnValue result = MmoWorldCache.Instance.TryCreate(
operation.WorldName, operation.TopLeftCorner.ToVector(), operation.BottomRightCorner.ToVector(), operation.TileDimensions.ToVector(), out world)
? MethodReturnValue.Ok
: MethodReturnValue.Fail((int)ReturnCode.WorldAlreadyExists, "WorldAlreadyExists");
return(operation.GetOperationResponse(result));
}
private OperationResponse ItemOperationMove(Item item, Move operation, SendParameters sendParameters)
{
// should always be OK
MethodReturnValue result = this.CheckAccess(item);
if (result.IsOk)
{
// save previous for event
Vector oldPosition = item.Position;
Vector oldRotation = item.Rotation;
// move
item.Rotation = operation.Rotation;
item.Move(operation.Position);
// send event
var eventInstance = new ItemMoved
{
ItemId = item.Id,
OldPosition = oldPosition,
Position = operation.Position,
Rotation = operation.Rotation,
OldRotation = oldRotation
};
var eventData = new EventData((byte)EventCode.ItemMoved, eventInstance);
sendParameters.ChannelId = Settings.ItemEventChannel;
var message = new ItemEventMessage(item, eventData, sendParameters);
item.EventChannel.Publish(message);
// no response sent
operation.OnComplete();
return(null);
}
return(operation.GetOperationResponse(result));
}
public OperationResponse GetOperationResponse(MethodReturnValue returnValue)
{
return this.GetOperationResponse(returnValue.Error, returnValue.Debug);
}