/// <summary>
/// Read an <see cref="UpdateMessage"/> for this shape.
/// </summary>
/// <param name="packet">The buffer from which the reader reads.</param>
/// <param name="reader">The stream to read message data from.</param>
/// <returns><c>true</c> if the message is successfully read.</returns>
/// <remarks>
/// Respects the <see cref="UpdateFlag"/> values, only modifying requested data.
/// </remarks>
public virtual bool ReadUpdate(PacketBuffer packet, BinaryReader reader)
{
UpdateMessage up = new UpdateMessage();
if (up.Read(reader))
{
if ((up.Flags & (ushort)UpdateFlag.UpdateMode) == 0)
{
// Full update.
_data.Attributes = up.Attributes;
}
else
{
// Partial update.
if ((up.Flags & (short)UpdateFlag.Position) != 0)
{
_data.Attributes.X = up.Attributes.X;
_data.Attributes.Y = up.Attributes.Y;
_data.Attributes.Z = up.Attributes.Z;
}
if ((up.Flags & (short)UpdateFlag.Rotation) != 0)
{
_data.Attributes.RotationX = up.Attributes.RotationX;
_data.Attributes.RotationY = up.Attributes.RotationY;
_data.Attributes.RotationZ = up.Attributes.RotationZ;
_data.Attributes.RotationW = up.Attributes.RotationW;
}
if ((up.Flags & (short)UpdateFlag.Scale) != 0)
{
_data.Attributes.ScaleX = up.Attributes.ScaleX;
_data.Attributes.ScaleY = up.Attributes.ScaleY;
_data.Attributes.ScaleZ = up.Attributes.ScaleZ;
}
if ((up.Flags & (short)UpdateFlag.Colour) != 0)
{
_data.Attributes.Colour = up.Attributes.Colour;
}
}
return(true);
}
return(false);
}
/// <summary>
/// Message handler.
/// </summary>
/// <param name="packet"></param>
/// <param name="reader"></param>
/// <returns></returns>
public override Error ReadMessage(PacketBuffer packet, BinaryReader reader)
{
switch ((ObjectMessageID)packet.Header.MessageID)
{
default:
case ObjectMessageID.Null:
return(new Error(ErrorCode.InvalidMessageID, packet.Header.MessageID));
case ObjectMessageID.Create:
// Read the create message details.
CreateMessage create = new CreateMessage();
if (!create.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, packet.Header.MessageID));
}
return(HandleMessage(create, packet, reader));
case ObjectMessageID.Update:
// Read the create message details.
UpdateMessage update = new UpdateMessage();
if (!update.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, packet.Header.MessageID));
}
return(HandleMessage(update, packet, reader));
case ObjectMessageID.Destroy:
// Read the create message details.
DestroyMessage destroy = new DestroyMessage();
if (!destroy.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, packet.Header.MessageID));
}
return(HandleMessage(destroy));
}
}
/// <summary>
/// Message routing function.
/// </summary>
/// <param name="messageID">The ID of the message.</param>
/// <param name="packet">Packet buffer used to decode the message.</param>
/// <param name="reader">The reader from which additional message data may be read.</param>
/// <returns>An error code on failure.</returns>
/// <remarks>
/// The default implementation handles the following messages:
/// Routes the following messages:
/// <list type="bullet">
/// <item><see cref="ObjectMessageID.Create"/></item>
/// <item><see cref="ObjectMessageID.Update"/></item>
/// <item><see cref="ObjectMessageID.Destroy"/></item>
/// <item><see cref="ObjectMessageID.Data"/></item>
/// </list>
/// </remarks>
protected virtual Error HandleMessage(ushort messageID, PacketBuffer packet, BinaryReader reader)
{
switch ((ObjectMessageID)messageID)
{
default:
case ObjectMessageID.Null:
return(new Error(ErrorCode.InvalidMessageID, messageID));
case ObjectMessageID.Create:
// Read the create message details.
CreateMessage create = new CreateMessage();
if (!create.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, messageID));
}
if (!FilterMessage(messageID, create.ObjectID, create.Category))
{
return(new Error());
}
return(HandleMessage(create, packet, reader));
case ObjectMessageID.Update:
// Read the create message details.
UpdateMessage update = new UpdateMessage();
if (!update.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, messageID));
}
if (!FilterMessage(messageID, update.ObjectID, 0))
{
return(new Error());
}
return(HandleMessage(update, packet, reader));
case ObjectMessageID.Destroy:
// Read the create message details.
DestroyMessage destroy = new DestroyMessage();
if (!destroy.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, messageID));
}
if (!FilterMessage(messageID, destroy.ObjectID, 0))
{
return(new Error());
}
return(HandleMessage(destroy, packet, reader));
case ObjectMessageID.Data:
// Read the create message details.
DataMessage data = new DataMessage();
if (!data.Read(reader))
{
return(new Error(ErrorCode.InvalidContent, messageID));
}
if (!FilterMessage(messageID, data.ObjectID, 0))
{
return(new Error());
}
return(HandleMessage(data, packet, reader));
}
//return new Error();
}