EngineContext.cs

using Silk.NET.OpenGL;
using System.Numerics;

using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Formats.Jpeg;
using SixLabors.ImageSharp.PixelFormats;

namespace OpenSC
{
    using OpenSC.Audio;
    using OpenSC.Game;
    using OpenSC.Graphics;
    using OpenSC.Game.Proxy;

    public sealed class EngineContext
    {
        public float TRANSITION_DURATION { get; } = 0.4f;

        public required GL GL { get; set; }

        public required Cursor Cursor { get; set; }

        public required Camera Camera { get; set; }

        public required LuaProxy Proxy { get; set; }

        public required AudioManager AudioManager { get; set; }

        public required StateManager StateManager { get; set; }

        public required Vector2 Viewport { get; set; }

        public Font? GameFont { get; set; }

        public Font? MenuFont { get; set; }

        public Texture2D LoadTexture(string name)
        {
            var resources = ResourceFile.GetInstance(SCEnvironment.ResourcePath);
            var textureData = resources.GetResourceBuffer(name);

            if (name == "inv-gold_key.tga") // TODO: Investigate bad TGA headers
            {
                textureData[7] = 0;
            }

            // File.WriteAllBytes("./images/" + name, textureData);
            return new Texture2D(GL, textureData);
        }

        public Image GetBlackImage()
        {
            return GetImage(new Rgba32(0, 0, 0, 1));
        }

        private Image GetImage(Rgba32 color)
        {
            using var imageSharp = SixLabors.ImageSharp.Image.LoadPixelData<Rgba32>(new[] { color }, 1, 1);
            using var memoryStream = new MemoryStream();
            imageSharp.Save(memoryStream, new JpegEncoder());

            var texture2d = new Texture2D(GL, memoryStream.ToArray());
            return new Image(GL, texture2d);
        }

    }
}