private ENetEvent NativeToManagedEvent(ref Native.ENetEvent native)
{
switch (native.Type)
{
case ENetEventType.None:
return(null);
case ENetEventType.Connect:
var connect = new ENetConnectEventArgs();
if (native.Peer->Data == IntPtr.Zero)
{
connect.Peer = new ENetPeer(this, native.Peer);
}
else
{
connect.Peer = ENetPeer.FromPtr(native.Peer->Data);
}
connect.Peer.RemoteEndPoint = native.Peer->Address.ToEndPoint();
connect.Data = native.Data;
return(connect);
case ENetEventType.Disconnect:
if (native.Peer->Data == IntPtr.Zero)
{
throw new NullReferenceException("Peer->Data");
}
var disconnect = new ENetDisconnectEventArgs();
disconnect.Peer = ENetPeer.FromPtr(native.Peer->Data);
disconnect.Data = native.Data;
disconnect.Peer.FreeHandle();
return(disconnect);
case ENetEventType.Receive:
if (native.Peer->Data == IntPtr.Zero)
{
throw new NullReferenceException("Peer->Data");
}
var receive = new ENetReceiveEventArgs();
receive.Peer = ENetPeer.FromPtr(native.Peer->Data);
receive.Packet = new ENetPacket(native.Packet, native.ChannelID);
LibENet.PacketDestroy(native.Packet);
return(receive);
default:
throw new NotImplementedException(native.Type.ToString());
}
}
public unsafe ENetEvent(NativeENetEvent native)
{
Type = native.Type;
ChannelId = native.ChannelID;
Data = native.Data;
if (native.Peer != null)
{
Peer = new ENetPeer(native.Peer);
}
else
{
Peer = default;
}
if (native.Packet != null)
{
Packet = new ENetPacket(native.Packet);
}
else
{
Packet = default;
}
}
public ENetMulticastException(string message, ENetPeer peer) : base(message)
{
Peer = peer;
}
public void Multicast(byte[] buffer, byte channel, ENetPacketFlags flags, IEnumerable <ENetPeer> peers, ENetPeer except)
{
CheckDispose();
Native.ENetPacket *packet;
fixed(byte *p = buffer)
{
packet = LibENet.PacketCreate((IntPtr)p, (UIntPtr)buffer.Length, flags & ~ENetPacketFlags.NoAllocate);
}
foreach (var peer in peers)
{
if (peer == null)
{
throw new NullReferenceException();
}
if (peer.Host != this)
{
throw new ENetMulticastException("Speicfied peer is not of this host.", peer);
}
if (peer == except)
{
continue;
}
if (peer.Unsafe->State != ENetPeerState.Connected)
{
continue;
}
if (LibENet.PeerSend(peer.Unsafe, channel, packet) != 0)
{
throw new ENetMulticastException("Failed to send packet to speicfied peer.", peer);
}
}
if (packet->ReferenceCount.ToUInt32() == 0)
{
LibENet.PacketDestroy(packet);
}
}
public void Multicast(byte[] buffer, Enum channel, ENetPacketFlags flags, IEnumerable <ENetPeer> peers, ENetPeer except) => Multicast(buffer, Convert.ToByte(channel), flags, peers, except);
/// <summary>
/// An extension method for clearing the user-data.
/// </summary>
/// <param name="peer">The peer that holds the user-data.</param>
public static void UnsetUserData(this ENetPeer peer)
{
var native = peer.GetNativePointer();
UnsetUserData(ref native->Data);
}
/// <summary>
/// Tries to retrieve user-data from <see cref="ENetPeer"/> of given type.
/// </summary>
/// <typeparam name="TData">The data type.</typeparam>
/// <param name="peer">The peer that holds the user-data.</param>
/// <param name="data">The result user-data.</param>
/// <returns>Returns true if the user-data found; otherwise false.</returns>
/// <remarks>
/// If the data type differs from what was supplied to <see cref="SetUserData{TData}(ENetPeer, TData)"/> then return value becomes false.
/// </remarks>
public static bool TryGetUserData <TData>(this ENetPeer peer, out TData data)
{
var native = peer.GetNativePointer();
return(TryGetUserData(native->Data, out data));
}
/// <summary>
/// Sets or overwrites the user-data of the given packet.
/// </summary>
/// <typeparam name="TData">The user-data type.</typeparam>
/// <param name="peer">The peer to store user-data into it's <see cref="ENetPeer.UserData"/> field.</param>
/// <param name="data">The user-data.</param>
public static void SetUserData <TData>(this ENetPeer peer, TData data)
{
var native = peer.GetNativePointer();
SetUserData(ref native->Data, data);
}
