54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
namespace TanksServer.GameLogic;
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internal sealed class SpawnNewTanks(
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TankManager tanks,
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MapService map,
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SpawnQueue queue,
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BulletManager bullets
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) : ITickStep
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{
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public Task TickAsync()
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{
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if (!queue.TryDequeueNext(out var player))
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return Task.CompletedTask;
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tanks.Add(new Tank(player, ChooseSpawnPosition())
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{
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Rotation = Random.Shared.Next(0, 16)
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});
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return Task.CompletedTask;
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}
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private FloatPosition ChooseSpawnPosition()
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{
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Dictionary<TilePosition, double> candidates = [];
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for (var x = 0; x < MapService.TilesPerRow; x++)
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for (var y = 0; y < MapService.TilesPerColumn; y++)
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{
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var tile = new TilePosition(x, y);
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if (map.IsCurrentlyWall(tile))
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continue;
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var tilePixelCenter = tile.GetPixelRelative(4, 4);
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var minDistance = bullets.GetAll()
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.Cast<IMapEntity>()
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.Concat(tanks)
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.Select(entity => Math.Sqrt(
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Math.Pow(entity.Position.X - tilePixelCenter.X, 2) +
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Math.Pow(entity.Position.Y - tilePixelCenter.Y, 2)))
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.Aggregate(double.MaxValue, Math.Min);
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candidates.Add(tile, minDistance);
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}
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var min = candidates.MaxBy(kvp => kvp.Value).Key;
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return new FloatPosition(
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min.X * MapService.TileSize,
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min.Y * MapService.TileSize
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);
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}
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} |