48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
using System.Diagnostics;
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using System.Net.Mime;
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using Microsoft.Extensions.Logging;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.PixelFormats;
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using TanksServer.DrawSteps;
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using TanksServer.Helpers;
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using TanksServer.Models;
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namespace TanksServer.Services;
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internal sealed class PixelDrawer(IEnumerable<IDrawStep> drawSteps) : ITickStep
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{
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private const uint GameFieldPixelCount = MapService.PixelsPerRow * MapService.PixelsPerColumn;
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private DisplayPixelBuffer? _lastFrame;
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private readonly List<IDrawStep> _drawSteps = drawSteps.ToList();
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public DisplayPixelBuffer LastFrame
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{
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get => _lastFrame ?? throw new InvalidOperationException("first frame not yet drawn");
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private set => _lastFrame = value;
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}
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public Task TickAsync()
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{
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var buffer = CreateGameFieldPixelBuffer();
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foreach (var step in _drawSteps)
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step.Draw(buffer);
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LastFrame = buffer;
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return Task.CompletedTask;
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}
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private static DisplayPixelBuffer CreateGameFieldPixelBuffer()
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{
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var data = new byte[10 + GameFieldPixelCount / 8];
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var result = new DisplayPixelBuffer(data)
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{
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Magic1 = 0,
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Magic2 = 19,
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X = 0,
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Y = 0,
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WidthInTiles = MapService.TilesPerRow,
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HeightInPixels = MapService.PixelsPerColumn
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};
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return result;
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}
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}
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