97 lines
3.4 KiB
C#
97 lines
3.4 KiB
C#
namespace TanksServer.GameLogic;
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internal sealed class MapEntityManager(
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ILogger<MapEntityManager> logger,
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MapService map,
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IOptions<GameRules> options
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)
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{
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private readonly GameRules _rules = options.Value;
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private readonly HashSet<Bullet> _bullets = [];
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private readonly HashSet<PowerUp> _powerUps = [];
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private readonly Dictionary<Player, Tank> _playerTanks = [];
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private readonly TimeSpan _bulletTimeout = TimeSpan.FromMilliseconds(options.Value.BulletTimeoutMs);
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public IEnumerable<Bullet> Bullets => _bullets;
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public IEnumerable<Tank> Tanks => _playerTanks.Values;
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public IEnumerable<PowerUp> PowerUps => _powerUps;
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public void SpawnBullet(Player tankOwner, FloatPosition position, double rotation, MagazineType type)
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{
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var speed = _rules.BulletSpeed * (type.HasFlag(MagazineType.Fast) ? 2 : 1);
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_bullets.Add(new Bullet
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{
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Owner = tankOwner,
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Position = position,
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Rotation = rotation,
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IsExplosive = type.HasFlag(MagazineType.Explosive),
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Timeout = DateTime.Now + _bulletTimeout,
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OwnerCollisionAfter = DateTime.Now + TimeSpan.FromSeconds(1),
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Speed = speed,
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IsSmart = type.HasFlag(MagazineType.Smart)
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});
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}
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public void RemoveWhere(Predicate<Bullet> predicate) => _bullets.RemoveWhere(predicate);
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public void SpawnTank(Player player)
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{
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var tank = new Tank
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{
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Owner = player,
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Position = ChooseSpawnPosition(),
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Rotation = Random.Shared.NextDouble(),
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Magazine = new Magazine(MagazineType.Basic, 0, _rules.MagazineSize)
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};
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_playerTanks[player] = tank;
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logger.LogInformation("Tank added for player {}", player.Name);
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}
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public void SpawnPowerUp(PowerUpType type, MagazineType? magazineType) => _powerUps.Add(new PowerUp
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{
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Position = ChooseSpawnPosition(),
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Type = type,
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MagazineType = magazineType
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});
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public void RemoveWhere(Predicate<PowerUp> predicate) => _powerUps.RemoveWhere(predicate);
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public void Remove(Tank tank)
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{
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logger.LogInformation("Tank removed for player {}", tank.Owner.Name);
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_playerTanks.Remove(tank.Owner);
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}
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public Tank? GetCurrentTankOfPlayer(Player player) => _playerTanks.GetValueOrDefault(player);
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private IEnumerable<IMapEntity> AllEntities => Bullets
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.Cast<IMapEntity>()
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.Concat(Tanks)
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.Concat(PowerUps);
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private FloatPosition ChooseSpawnPosition()
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{
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var maxMinDistance = 0d;
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TilePosition spawnTile = default;
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for (ushort x = 1; x < MapService.TilesPerRow - 1; x++)
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for (ushort y = 1; y < MapService.TilesPerColumn - 1; y++)
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{
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var tile = new TilePosition(x, y);
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if (map.Current.IsWall(tile))
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continue;
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var tilePixelCenter = tile.ToPixelPosition().GetPixelRelative(4, 4).ToFloatPosition();
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var minDistance = AllEntities
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.Select(entity => entity.Position.Distance(tilePixelCenter))
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.Aggregate(double.MaxValue, Math.Min);
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if (minDistance <= maxMinDistance)
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continue;
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maxMinDistance = minDistance;
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spawnTile = tile;
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}
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return spawnTile.ToPixelPosition().GetPixelRelative(4, 4).ToFloatPosition();
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}
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}
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