65 lines
2 KiB
C#
65 lines
2 KiB
C#
using System.Net.WebSockets;
|
|
using System.Text.Json;
|
|
using TanksServer.GameLogic;
|
|
|
|
namespace TanksServer.Interactivity;
|
|
|
|
internal sealed class PlayerInfoConnection(
|
|
Player player,
|
|
ILogger logger,
|
|
WebSocket rawSocket,
|
|
MapEntityManager entityManager
|
|
) : WebsocketServerConnection(logger, new ByteChannelWebSocket(rawSocket, logger, 0)), IDisposable
|
|
{
|
|
private readonly SemaphoreSlim _wantedFrames = new(1);
|
|
private readonly AppSerializerContext _context = new(new JsonSerializerOptions(JsonSerializerDefaults.Web));
|
|
private byte[] _lastMessage = [];
|
|
|
|
protected override ValueTask HandleMessageAsync(Memory<byte> buffer)
|
|
{
|
|
var response = GetMessageToSend();
|
|
if (response == null)
|
|
{
|
|
Logger.LogTrace("cannot respond directly, increasing wanted frames");
|
|
_wantedFrames.Release();
|
|
return ValueTask.CompletedTask;
|
|
}
|
|
|
|
Logger.LogTrace("responding directly");
|
|
return Socket.SendTextAsync(response);
|
|
}
|
|
|
|
public async Task OnGameTickAsync()
|
|
{
|
|
if (!await _wantedFrames.WaitAsync(TimeSpan.Zero))
|
|
return;
|
|
|
|
var response = GetMessageToSend();
|
|
if (response == null)
|
|
{
|
|
_wantedFrames.Release();
|
|
return;
|
|
}
|
|
|
|
Logger.LogTrace("responding indirectly");
|
|
await Socket.SendTextAsync(response);
|
|
}
|
|
|
|
private byte[]? GetMessageToSend()
|
|
{
|
|
var tank = entityManager.GetCurrentTankOfPlayer(player);
|
|
var tankInfo = tank != null
|
|
? new TankInfo(tank.Orientation, tank.ExplosiveBullets, tank.Position.ToPixelPosition(), tank.Moving)
|
|
: null;
|
|
var info = new PlayerInfo(player.Name, player.Scores, player.Controls, tankInfo);
|
|
var response = JsonSerializer.SerializeToUtf8Bytes(info, _context.PlayerInfo);
|
|
|
|
if (response.SequenceEqual(_lastMessage))
|
|
return null;
|
|
|
|
return _lastMessage = response;
|
|
}
|
|
|
|
public void Dispose() => _wantedFrames.Dispose();
|
|
}
|