Files
tbd-station-14/Content.MapRenderer/Painters/DecalPainter.cs
2023-01-25 21:08:05 -04:00

94 lines
3.0 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using Content.Shared.Decals;
using Robust.Client.ResourceManagement;
using Robust.Client.Utility;
using Robust.Shared.Prototypes;
using Robust.Shared.Timing;
using Robust.Shared.Utility;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using static Robust.UnitTesting.RobustIntegrationTest;
namespace Content.MapRenderer.Painters;
public sealed class DecalPainter
{
private readonly IResourceCache _cResourceCache;
private readonly IPrototypeManager _sPrototypeManager;
private readonly Dictionary<string, SpriteSpecifier> _decalTextures = new();
public DecalPainter(ClientIntegrationInstance client, ServerIntegrationInstance server)
{
_cResourceCache = client.ResolveDependency<IResourceCache>();
_sPrototypeManager = server.ResolveDependency<IPrototypeManager>();
}
public void Run(Image canvas, List<DecalData> decals)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
decals.Sort(Comparer<DecalData>.Create((x, y) => x.Decal.ZIndex.CompareTo(y.Decal.ZIndex)));
if (_decalTextures.Count == 0)
{
foreach (var proto in _sPrototypeManager.EnumeratePrototypes<DecalPrototype>())
{
_decalTextures.Add(proto.ID, proto.Sprite);
}
}
foreach (var decal in decals)
{
Run(canvas, decal);
}
Console.WriteLine($"{nameof(DecalPainter)} painted {decals.Count} decals in {(int) stopwatch.Elapsed.TotalMilliseconds} ms");
}
private void Run(Image canvas, DecalData data)
{
var decal = data.Decal;
if (!_decalTextures.TryGetValue(decal.Id, out var sprite))
{
Console.WriteLine($"Decal {decal.Id} did not have an associated prototype.");
return;
}
Stream stream;
if (sprite is SpriteSpecifier.Texture texture)
{
stream = _cResourceCache.ContentFileRead(texture.TexturePath);
}
else if (sprite is SpriteSpecifier.Rsi rsi)
{
stream = _cResourceCache.ContentFileRead($"/Textures/{rsi.RsiPath}/{rsi.RsiState}.png");
}
else
{
// Don't support
return;
}
var image = Image.Load<Rgba32>(stream);
image.Mutate(o => o.Rotate((float) -decal.Angle.Degrees));
var coloredImage = new Image<Rgba32>(image.Width, image.Height);
Color color = decal.Color?.ConvertImgSharp() ?? Color.White;
coloredImage.Mutate(o => o.BackgroundColor(color));
image.Mutate(o => o
.DrawImage(coloredImage, PixelColorBlendingMode.Multiply, PixelAlphaCompositionMode.SrcAtop, 1.0f)
.Flip(FlipMode.Vertical));
// Very unsure why the - 1 is needed in the first place but all decals are off by exactly one pixel otherwise
// Woohoo!
canvas.Mutate(o => o.DrawImage(image, new Point((int) data.X, (int) data.Y - 1), 1.0f));
}
}