102 lines
3.5 KiB
C#
102 lines
3.5 KiB
C#
using System;
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using System.IO;
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using System.Text;
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using System.Threading.Tasks;
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using Content.Client.Interfaces.Parallax;
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using ICSharpCode.SharpZipLib.Checksum;
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using Nett;
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using SixLabors.ImageSharp;
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using SixLabors.Primitives;
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using SS14.Client.Graphics;
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using SS14.Client.Interfaces.ResourceManagement;
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using SS14.Shared.IoC;
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using SS14.Shared.Log;
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using SS14.Shared.Utility;
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namespace Content.Client.Parallax
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{
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public class ParallaxManager : IParallaxManager
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{
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#pragma warning disable 649
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[Dependency] private readonly IResourceCache _resourceCache;
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#pragma warning restore 649
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private static readonly ResourcePath ParallaxConfigPath = new ResourcePath("/parallax_config.toml");
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// Both of these below are in the user directory.
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private static readonly ResourcePath ParallaxPath = new ResourcePath("/parallax_cache.png");
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private static readonly ResourcePath ParallaxConfigOld = new ResourcePath("/parallax_config_old");
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public event Action<Texture> OnTextureLoaded;
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public Texture ParallaxTexture { get; private set; }
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public async void LoadParallax()
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{
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MemoryStream configStream = null;
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long crcValue;
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string contents;
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TomlTable table;
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try
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{
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// Load normal config into memory
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if (!_resourceCache.TryContentFileRead(ParallaxConfigPath, out configStream))
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{
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Logger.ErrorS("parallax", "Parallax config not found.");
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return;
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}
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using (var reader = new StreamReader(configStream, Encoding.UTF8))
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{
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contents = reader.ReadToEnd();
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}
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if (_resourceCache.UserData.Exists(ParallaxConfigOld))
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{
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bool match;
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using (var data = _resourceCache.UserData.Open(ParallaxConfigOld, FileMode.Open))
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using (var reader = new StreamReader(data, Encoding.UTF8))
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{
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match = reader.ReadToEnd() == contents;
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}
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if (match)
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{
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using (var stream = _resourceCache.UserData.Open(ParallaxPath, FileMode.Open))
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{
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ParallaxTexture = Texture.LoadFromPNGStream(stream);
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}
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OnTextureLoaded?.Invoke(ParallaxTexture);
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return;
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}
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}
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table = Toml.ReadString(contents);
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}
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finally
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{
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configStream?.Dispose();
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}
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// Generate the parallax in the thread pool.
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var image = await Task.Run(() => ParallaxGenerator.GenerateParallax(table, new Size(1920, 1080)));
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// And load it in the main thread for safety reasons.
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ParallaxTexture = Texture.LoadFromImage(image);
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// Store it and CRC so further game starts don't need to regenerate it.
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using (var stream = _resourceCache.UserData.Open(ParallaxPath, FileMode.Create))
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{
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image.SaveAsPng(stream);
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}
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using (var stream = _resourceCache.UserData.Open(ParallaxConfigOld, FileMode.Create))
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using (var writer = new StreamWriter(stream, Encoding.UTF8))
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{
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writer.Write(contents);
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}
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OnTextureLoaded?.Invoke(ParallaxTexture);
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}
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}
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}
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