add bullet timeout

TanksServer/GameLogic/CollideBullets.cs

@@ -13,9 +13,20 @@ internal sealed class CollideBullets(
     {
         entityManager.RemoveBulletsWhere(BulletHitsTank);
         entityManager.RemoveBulletsWhere(TryHitAndDestroyWall);
+        entityManager.RemoveBulletsWhere(TimeoutBullet);
         return Task.CompletedTask;
     }
 
+    private bool TimeoutBullet(Bullet bullet)
+    {
+        if (bullet.Timeout > DateTime.Now)
+            return false;
+
+        var radius = bullet.IsExplosive ? ExplosionRadius : 0;
+        ExplodeAt(bullet.Position.ToPixelPosition(), radius, bullet.Owner);
+        return true;
+    }
+
     private bool TryHitAndDestroyWall(Bullet bullet)
     {
         var pixel = bullet.Position.ToPixelPosition();

TanksServer/GameLogic/GameRules.cs

@@ -7,4 +7,6 @@ internal sealed class GameRules
     public double PowerUpSpawnChance { get; set; }
 
     public int MaxPowerUpCount { get; set; } = int.MaxValue;
+
+    public int BulletTimeoutMs { get; set; } = int.MaxValue;
 }

TanksServer/GameLogic/MapEntityManager.cs

@@ -2,12 +2,14 @@ namespace TanksServer.GameLogic;
 
 internal sealed class MapEntityManager(
     ILogger<MapEntityManager> logger,
-    MapService map
+    MapService map,
+    IOptions<GameRules> options
 )
 {
     private readonly HashSet<Bullet> _bullets = [];
     private readonly HashSet<Tank> _tanks = [];
     private readonly HashSet<PowerUp> _powerUps = [];
+    private readonly TimeSpan _bulletTimeout = TimeSpan.FromMilliseconds(options.Value.BulletTimeoutMs);
 
     public IEnumerable<Bullet> Bullets => _bullets;
     public IEnumerable<Tank> Tanks => _tanks;
@@ -19,7 +21,7 @@ internal sealed class MapEntityManager(
         .Concat(PowerUps);
 
     public void SpawnBullet(Player tankOwner, FloatPosition position, double rotation, bool isExplosive)
-        => _bullets.Add(new Bullet(tankOwner, position, rotation, isExplosive));
+        => _bullets.Add(new Bullet(tankOwner, position, rotation, isExplosive, DateTime.Now + _bulletTimeout));
 
     public void RemoveBulletsWhere(Predicate<Bullet> predicate) => _bullets.RemoveWhere(predicate);
 

TanksServer/Models/Bullet.cs

@@ -1,6 +1,6 @@
 namespace TanksServer.Models;
 
-internal sealed class Bullet(Player tankOwner, FloatPosition position, double rotation, bool isExplosive) : IMapEntity
+internal sealed class Bullet(Player tankOwner, FloatPosition position, double rotation, bool isExplosive, DateTime timeout) : IMapEntity
 {
     public Player Owner { get; } = tankOwner;
 
@@ -10,5 +10,7 @@ internal sealed class Bullet(Player tankOwner, FloatPosition position, double ro
 
     public bool IsExplosive { get; } = isExplosive;
 
+    public DateTime Timeout { get; } = timeout;
+
     public PixelBounds Bounds => new (Position.ToPixelPosition(), Position.ToPixelPosition());
 }