private OTAPI.HookResult SendNetDataHandler(
Terraria.Net.NetManager manager, Terraria.Net.Sockets.ISocket socket, ref Terraria.Net.NetPacket packet)
{
Debug.Assert(socket != null);
Debug.Assert(packet.Buffer.Data != null);
Debug.Assert(packet.Writer.BaseStream.Position >= 5);
// Since we don't have an index, scan through the clients to find the player index.
//
// TODO: optimize this using a hash map, if needed
var playerIndex = -1;
for (var i = 0; i < Terraria.Netplay.MaxConnections; ++i)
{
if (Terraria.Netplay.Clients[i].Socket == socket)
{
playerIndex = i;
break;
}
}
Debug.Assert(playerIndex >= 0 && playerIndex < Count);
var span = packet.Buffer.Data.AsSpan(2..((int)packet.Writer.BaseStream.Position));
var moduleId = Unsafe.ReadUnaligned <ushort>(ref span.At(1));
// The `SendBytes` event is only triggered for module packets.
var handler = _onSendModuleHandlers[moduleId] ?? OnSendPacket <ModulePacket <UnknownModule> >;
handler(playerIndex, span);
return(OTAPI.HookResult.Cancel);
}
private static HookResult OnSendNetData(NetManager manager, Terraria.Net.Sockets.ISocket socket, ref NetPacket packet)
{
if (_hookManager.InvokeNetSendNetData
(
ref manager,
ref socket,
ref packet
))
{
return(HookResult.Cancel);
}
return(HookResult.Continue);
}
internal bool InvokeNetSendNetData(
ref NetManager netManager, ref Terraria.Net.Sockets.ISocket socket, ref NetPacket packet)
{
SendNetDataEventArgs args = new SendNetDataEventArgs
{
netManager = netManager,
socket = socket,
packet = packet
};
this.NetSendNetData.Invoke(args);
return(args.Handled);
}
static HookResult OnAccepted(Terraria.Net.Sockets.ISocket client)
{
int slot = FindNextOpenClientSlot();
if (slot != -1)
{
Netplay.Clients[slot].Reset();
Netplay.Clients[slot].Socket = client;
}
if (FindNextOpenClientSlot() == -1)
{
Netplay.StopListening();
}
return(HookResult.Cancel);
}