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allocate predicate once instead of per tick

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This commit is contained in:
Vinzenz Schroeter 2024-05-05 13:01:37 +02:00
parent fe851ffc17
commit 079b096c16
2 changed files with 61 additions and 44 deletions
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32
tanks-backend/TanksServer/GameLogic/CollectPowerUp.cs
View file

@ -6,16 +6,18 @@ internal sealed class CollectPowerUp(
MapEntityManager entityManager
) : ITickStep
{
private readonly Predicate<PowerUp> _collectPredicate = b => TryCollect(b, entityManager.Tanks);
public ValueTask TickAsync(TimeSpan delta)
{
entityManager.RemoveWhere(TryCollect);
entityManager.RemoveWhere(_collectPredicate);
return ValueTask.CompletedTask;
}
private bool TryCollect(PowerUp obj)
private static bool TryCollect(PowerUp powerUp, IEnumerable<Tank> tanks)
{
var position = obj.Position;
foreach (var tank in entityManager.Tanks)
var position = powerUp.Position;
foreach (var tank in tanks)
{
var (topLeft, bottomRight) = tank.Bounds;
if (position.X < topLeft.X || position.X > bottomRight.X ||
@ -24,15 +26,25 @@ internal sealed class CollectPowerUp(
// now the tank overlaps the power up by at least 0.5 tiles
switch (obj.Type)
ApplyPowerUpEffect(powerUp, tank);
tank.Owner.Scores.PowerUpsCollected++;
return true;
}
return false;
}
private static void ApplyPowerUpEffect(PowerUp powerUp, Tank tank)
{
switch (powerUp.Type)
{
case PowerUpType.MagazineType:
if (obj.MagazineType == null)
if (powerUp.MagazineType == null)
throw new UnreachableException();
tank.Magazine = tank.Magazine with
{
Type = tank.Magazine.Type | obj.MagazineType.Value,
Type = tank.Magazine.Type | powerUp.MagazineType.Value,
UsedBullets = 0
};
@ -49,11 +61,5 @@ internal sealed class CollectPowerUp(
default:
throw new UnreachableException();
}
tank.Owner.Scores.PowerUpsCollected++;
return true;
}
return false;
}
}

39
tanks-backend/TanksServer/GameLogic/CollideBullets.cs
View file

@ -2,20 +2,31 @@ using TanksServer.Graphics;
namespace TanksServer.GameLogic;
internal sealed class CollideBullets(
MapEntityManager entityManager,
MapService map,
IOptions<GameRules> options,
TankSpawnQueue tankSpawnQueue
) : ITickStep
internal sealed class CollideBullets : ITickStep
{
private readonly Sprite _explosiveSprite = Sprite.FromImageFile("assets/explosion.png");
private readonly Predicate<Bullet> _removeBulletsPredicate;
private readonly MapEntityManager _entityManager;
private readonly MapService _map;
private readonly bool _destructibleWalls;
private readonly TankSpawnQueue _tankSpawnQueue;
public CollideBullets(MapEntityManager entityManager,
MapService map,
IOptions<GameRules> options,
TankSpawnQueue tankSpawnQueue)
{
_entityManager = entityManager;
_map = map;
_tankSpawnQueue = tankSpawnQueue;
_destructibleWalls = options.Value.DestructibleWalls;
_removeBulletsPredicate = b => BulletHitsTank(b) || BulletHitsWall(b) || BulletTimesOut(b);
}
public ValueTask TickAsync(TimeSpan _)
{
entityManager.RemoveWhere(BulletHitsTank);
entityManager.RemoveWhere(BulletHitsWall);
entityManager.RemoveWhere(BulletTimesOut);
_entityManager.RemoveWhere(_removeBulletsPredicate);
return ValueTask.CompletedTask;
}
@ -31,7 +42,7 @@ internal sealed class CollideBullets(
private bool BulletHitsWall(Bullet bullet)
{
var pixel = bullet.Position.ToPixelPosition();
if (!map.Current.IsWall(pixel))
if (!_map.Current.IsWall(pixel))
return false;
ExplodeAt(pixel, bullet.IsExplosive, bullet.Owner);
@ -50,7 +61,7 @@ internal sealed class CollideBullets(
private Tank? GetTankAt(FloatPosition position, Player owner, bool canHitOwnTank)
{
foreach (var tank in entityManager.Tanks)
foreach (var tank in _entityManager.Tanks)
{
var hitsOwnTank = owner == tank.Owner;
if (hitsOwnTank && !canHitOwnTank)
@ -89,7 +100,7 @@ internal sealed class CollideBullets(
void Core(PixelPosition position)
{
if (options.Value.DestructibleWalls && map.Current.TryDestroyWallAt(position))
if (_destructibleWalls && _map.Current.TryDestroyWallAt(position))
owner.Scores.WallsDestroyed++;
var tank = GetTankAt(position.ToFloatPosition(), owner, true);
@ -100,8 +111,8 @@ internal sealed class CollideBullets(
owner.Scores.Kills++;
tank.Owner.Scores.Deaths++;
entityManager.Remove(tank);
tankSpawnQueue.EnqueueForDelayedSpawn(tank.Owner);
_entityManager.Remove(tank);
_tankSpawnQueue.EnqueueForDelayedSpawn(tank.Owner);
}
}
}