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position is now center, socket improvements

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This commit is contained in:
Vinzenz Schroeter 2024-04-13 14:07:14 +02:00
parent 40eba7a7c7
commit d4d0abd013
18 changed files with 134 additions and 106 deletions
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6
TanksServer/GameLogic/CollideBulletsWithTanks.cs
View file

@ -1,7 +1,9 @@
namespace TanksServer.GameLogic;
internal sealed class CollideBulletsWithTanks(
BulletManager bullets, TankManager tanks, SpawnQueue spawnQueue
BulletManager bullets,
TankManager tanks,
SpawnQueue spawnQueue
) : ITickStep
{
public Task TickAsync()
@ -14,7 +16,7 @@ internal sealed class CollideBulletsWithTanks(
{
foreach (var tank in tanks)
{
var (topLeft, bottomRight) = TankManager.GetTankBounds(tank.Position.ToPixelPosition());
var (topLeft, bottomRight) = tank.Bounds;
if (bullet.Position.X < topLeft.X || bullet.Position.X > bottomRight.X ||
bullet.Position.Y < topLeft.Y || bullet.Position.Y > bottomRight.Y)
continue;

9
TanksServer/GameLogic/MoveTanks.cs
View file

@ -47,9 +47,7 @@ internal sealed class MoveTanks(
private bool TryMoveTankTo(Tank tank, FloatPosition newPosition)
{
var (topLeft, bottomRight) = TankManager.GetTankBounds(newPosition.ToPixelPosition());
if (HitsWall(topLeft, bottomRight))
if (HitsWall(newPosition))
return false;
if (HitsTank(tank, newPosition))
return false;
@ -63,14 +61,15 @@ internal sealed class MoveTanks(
.Where(otherTank => otherTank != tank)
.Any(otherTank => newPosition.Distance(otherTank.Position) < MapService.TileSize);
private bool HitsWall(PixelPosition topLeft, PixelPosition bottomRight)
private bool HitsWall(FloatPosition newPosition)
{
var (topLeft, bottomRight) = Tank.GetBoundsForCenter(newPosition);
TilePosition[] positions =
[
topLeft.ToTilePosition(),
new PixelPosition(bottomRight.X, topLeft.Y).ToTilePosition(),
new PixelPosition(topLeft.X, bottomRight.Y).ToTilePosition(),
bottomRight.ToTilePosition(),
bottomRight.ToTilePosition()
];
return positions.Any(map.IsCurrentlyWall);
}

4
TanksServer/GameLogic/ShootFromTanks.cs
View file

@ -27,8 +27,8 @@ internal sealed class ShootFromTanks(
var angle = tank.Rotation * 2 * Math.PI;
var position = new FloatPosition(
x: tank.Position.X + MapService.TileSize / 2d + Math.Sin(angle) * _config.BulletSpeed,
y: tank.Position.Y + MapService.TileSize / 2d - Math.Cos(angle) * _config.BulletSpeed
tank.Position.X + Math.Sin(angle) * _config.BulletSpeed,
tank.Position.Y - Math.Cos(angle) * _config.BulletSpeed
);
bulletManager.Spawn(new Bullet(tank.Owner, position, tank.Rotation));

5
TanksServer/GameLogic/SpawnNewTanks.cs
View file

@ -44,9 +44,6 @@ internal sealed class SpawnNewTanks(
}
var min = candidates.MaxBy(kvp => kvp.Value).Key;
return new FloatPosition(
min.X * MapService.TileSize,
min.Y * MapService.TileSize
);
return min.ToPixelPosition().GetPixelRelative(4, 4).ToFloatPosition();
}
}

8
TanksServer/GameLogic/TankManager.cs
View file

@ -20,12 +20,4 @@ internal sealed class TankManager(ILogger<TankManager> logger) : IEnumerable<Tan
logger.LogInformation("Tank removed for player {}", tank.Owner.Id);
_tanks.Remove(tank, out _);
}
public static (PixelPosition TopLeft, PixelPosition BottomRight) GetTankBounds(PixelPosition tankPosition)
{
return (tankPosition, new PixelPosition(
(ushort)(tankPosition.X + MapService.TileSize - 1),
(ushort)(tankPosition.Y + MapService.TileSize - 1)
));
}
}

16
TanksServer/Graphics/BulletDrawer.cs
View file

@ -1,16 +0,0 @@
using DisplayCommands;
using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class BulletDrawer(BulletManager bullets) : IDrawStep
{
public void Draw(PixelGrid buffer)
{
foreach (var bullet in bullets.GetAll())
{
var pos = bullet.Position.ToPixelPosition();
buffer[pos.X, pos.Y] = true;
}
}
}

13
TanksServer/Graphics/DrawBulletsStep.cs Normal file
View file

@ -0,0 +1,13 @@
using DisplayCommands;
using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class DrawBulletsStep(BulletManager bullets) : IDrawStep
{
public void Draw(PixelGrid buffer)
{
foreach (var position in bullets.GetAll().Select(b => b.Position.ToPixelPosition()))
buffer[position.X, position.Y] = true;
}
}

2
TanksServer/Graphics/MapDrawer.cs → TanksServer/Graphics/DrawMapStep.cs
View file

@ -3,7 +3,7 @@ using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class MapDrawer(MapService map) : IDrawStep
internal sealed class DrawMapStep(MapService map) : IDrawStep
{
public void Draw(PixelGrid buffer)
{

8
TanksServer/Graphics/TankDrawer.cs → TanksServer/Graphics/DrawTanksStep.cs
View file

@ -5,13 +5,13 @@ using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class TankDrawer : IDrawStep
internal sealed class DrawTanksStep : IDrawStep
{
private readonly TankManager _tanks;
private readonly bool[] _tankSprite;
private readonly int _tankSpriteWidth;
public TankDrawer(TankManager tanks)
public DrawTanksStep(TankManager tanks)
{
_tanks = tanks;
@ -22,9 +22,7 @@ internal sealed class TankDrawer : IDrawStep
var i = 0;
for (var y = 0; y < tankImage.Height; y++)
for (var x = 0; x < tankImage.Width; x++, i++)
{
_tankSprite[i] = tankImage[x, y] == whitePixel;
}
_tankSpriteWidth = tankImage.Width;
}
@ -33,7 +31,7 @@ internal sealed class TankDrawer : IDrawStep
{
foreach (var tank in _tanks)
{
var tankPosition = tank.Position.ToPixelPosition();
var tankPosition = tank.Bounds.TopLeft;
var orientation = (int)Math.Round(tank.Rotation * 16d) % 16;
for (byte dy = 0; dy < MapService.TileSize; dy++)

5
TanksServer/Graphics/DrawStateToFrame.cs → TanksServer/Graphics/GeneratePixelsTickStep.cs
View file

@ -3,8 +3,9 @@ using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class DrawStateToFrame(
IEnumerable<IDrawStep> drawSteps, LastFinishedFrameProvider lastFrameProvider
internal sealed class GeneratePixelsTickStep(
IEnumerable<IDrawStep> drawSteps,
LastFinishedFrameProvider lastFrameProvider
) : ITickStep
{
private readonly List<IDrawStep> _drawSteps = drawSteps.ToList();

64
TanksServer/Interactivity/ByteChannelWebSocket.cs
View file

@ -12,29 +12,9 @@ internal sealed class ByteChannelWebSocket(WebSocket socket, ILogger logger, int
public async IAsyncEnumerable<Memory<byte>> ReadAllAsync()
{
while (true)
while (socket.State is WebSocketState.Open or WebSocketState.CloseSent)
{
if (socket.State is not (WebSocketState.Open or WebSocketState.CloseSent))
break;
var response = await socket.ReceiveAsync(_buffer, CancellationToken.None);
if (response.MessageType == WebSocketMessageType.Close)
{
if (socket.State == WebSocketState.CloseReceived)
await socket.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty,
CancellationToken.None);
break;
}
if (response.Count != _buffer.Length)
{
await socket.CloseOutputAsync(
WebSocketCloseStatus.InvalidPayloadData,
"response has unexpected size",
CancellationToken.None);
break;
}
if (await TryReadAsync())
yield return _buffer.ToArray();
}
@ -44,7 +24,45 @@ internal sealed class ByteChannelWebSocket(WebSocket socket, ILogger logger, int
public async Task CloseAsync()
{
logger.LogDebug("closing socket");
if (socket.State != WebSocketState.Open)
return;
try
{
await socket.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
catch (WebSocketException socketException)
{
logger.LogDebug(socketException, "could not close socket properly");
}
}
private async Task<bool> TryReadAsync()
{
try
{
var response = await socket.ReceiveAsync(_buffer, CancellationToken.None);
if (response.MessageType == WebSocketMessageType.Close)
{
await socket.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty,
CancellationToken.None);
return false;
}
if (response.Count != _buffer.Length)
{
await socket.CloseOutputAsync(WebSocketCloseStatus.InvalidPayloadData,
"response has unexpected size",
CancellationToken.None);
return false;
}
return true;
}
catch (WebSocketException socketException)
{
logger.LogDebug(socketException, "could not read");
return false;
}
}
}

4
TanksServer/Models/Bullet.cs
View file

@ -4,7 +4,9 @@ internal sealed class Bullet(Player tankOwner, FloatPosition position, double ro
{
public Player Owner { get; } = tankOwner;
public double Rotation { get; set; } = rotation;
public FloatPosition Position { get; set; } = position;
public double Rotation { get; set; } = rotation;
public PixelBounds Bounds => new (Position.ToPixelPosition(), Position.ToPixelPosition());
}

2
TanksServer/Models/IMapEntity.cs
View file

@ -3,4 +3,6 @@ namespace TanksServer.Models;
internal interface IMapEntity
{
FloatPosition Position { get; set; }
PixelBounds Bounds { get; }
}

3
TanksServer/Models/PixelBounds.cs Normal file
View file

@ -0,0 +1,3 @@
namespace TanksServer.Models;
internal record struct PixelBounds(PixelPosition TopLeft, PixelPosition BottomRight);

21
TanksServer/Models/PositionHelpers.cs
View file

@ -10,8 +10,8 @@ internal static class PositionHelpers
Debug.Assert(subX < 8);
Debug.Assert(subY < 8);
return new PixelPosition(
x: (ushort)(position.X * MapService.TileSize + subX),
y: (ushort)(position.Y * MapService.TileSize + subY)
(ushort)(position.X * MapService.TileSize + subX),
(ushort)(position.Y * MapService.TileSize + subY)
);
}
@ -23,20 +23,25 @@ internal static class PositionHelpers
}
public static PixelPosition ToPixelPosition(this FloatPosition position) => new(
x: (ushort)((int)position.X % MapService.PixelsPerRow),
y: (ushort)((int)position.Y % MapService.PixelsPerRow)
(ushort)((int)position.X % MapService.PixelsPerRow),
(ushort)((int)position.Y % MapService.PixelsPerRow)
);
public static PixelPosition ToPixelPosition(this TilePosition position) => new(
(ushort)(position.X * MapService.TileSize),
(ushort)(position.Y * MapService.TileSize)
);
public static TilePosition ToTilePosition(this PixelPosition position) => new(
x: (ushort)(position.X / MapService.TileSize),
y: (ushort)(position.Y / MapService.TileSize)
(ushort)(position.X / MapService.TileSize),
(ushort)(position.Y / MapService.TileSize)
);
public static FloatPosition ToFloatPosition(this PixelPosition position) => new(position.X, position.Y);
public static double Distance(this FloatPosition p1, FloatPosition p2)
=> Math.Sqrt(
public static double Distance(this FloatPosition p1, FloatPosition p2) =>
Math.Sqrt(
Math.Pow(p1.X - p2.X, 2) +
Math.Pow(p1.Y - p2.Y, 2)
);

16
TanksServer/Models/Tank.cs
View file

@ -20,9 +20,21 @@ internal sealed class Tank(Player player, FloatPosition spawnPosition) : IMapEnt
}
}
public FloatPosition Position { get; set; } = spawnPosition;
public DateTime NextShotAfter { get; set; }
public bool Moved { get; set; }
public FloatPosition Position { get; set; } = spawnPosition;
public PixelBounds Bounds => GetBoundsForCenter(Position);
public static PixelBounds GetBoundsForCenter(FloatPosition position) => new(
new PixelPosition(
(ushort)(position.X - MapService.TileSize / 2d),
(ushort)(position.Y - MapService.TileSize / 2d)
), new PixelPosition(
(ushort)(position.X + MapService.TileSize / 2d - 1d),
(ushort)(position.Y + MapService.TileSize / 2d - 1d)
)
);
}

8
TanksServer/Program.cs
View file

@ -100,13 +100,13 @@ public static class Program
builder.Services.AddSingleton<ITickStep, MoveTanks>();
builder.Services.AddSingleton<ITickStep, ShootFromTanks>();
builder.Services.AddSingleton<ITickStep, SpawnNewTanks>();
builder.Services.AddSingleton<ITickStep, DrawStateToFrame>();
builder.Services.AddSingleton<ITickStep, GeneratePixelsTickStep>();
builder.Services.AddSingleton<ITickStep, SendToServicePointDisplay>();
builder.Services.AddSingleton<ITickStep, SendToClientScreen>();
builder.Services.AddSingleton<IDrawStep, MapDrawer>();
builder.Services.AddSingleton<IDrawStep, TankDrawer>();
builder.Services.AddSingleton<IDrawStep, BulletDrawer>();
builder.Services.AddSingleton<IDrawStep, DrawMapStep>();
builder.Services.AddSingleton<IDrawStep, DrawTanksStep>();
builder.Services.AddSingleton<IDrawStep, DrawBulletsStep>();
builder.Services.Configure<TanksConfiguration>(
builder.Configuration.GetSection("Tanks"));

8
TanksServer/TanksServer.csproj
View file

@ -19,7 +19,6 @@
<PublishAot>true</PublishAot>
<IlcDisableReflection>false</IlcDisableReflection>
<InvariantGlobalization>true</InvariantGlobalization>
<StaticExecutable>true</StaticExecutable>
<StripSymbols>true</StripSymbols>
<StaticallyLinked>true</StaticallyLinked>
@ -34,16 +33,17 @@
<None Include="./assets/tank.png" CopyToOutputDirectory="PreserveNewest" CopyToPublishDirectory="Always"/>
<Content Include="../Dockerfile">
<Link>..\Dockerfile</Link>
<Link>Dockerfile</Link>
</Content>
<Content Include="../.dockerignore">
<Link>../Dockerfile</Link>
<Link>Dockerfile</Link>
</Content>
<Content Include="../Makefile"/>
<Content Include="../.editorconfig"/>
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\DisplayCommands\DisplayCommands.csproj" />
<ProjectReference Include="../DisplayCommands/DisplayCommands.csproj"/>
</ItemGroup>
</Project>