thief-mission-viewer/project/code/TMV/TextureLoader.Gif.cs

using Godot;
using SixLabors.ImageSharp.PixelFormats;

namespace KeepersCompound.TMV;

public partial class TextureLoader
{
    // TODO: Replace this with my own implementation lol
    // References:
    // - https://www.w3.org/Graphics/GIF/spec-gif89a.txt
    private static ImageTexture LoadGif(string path)
    {
        using var gifImage = SixLabors.ImageSharp.Image.Load<Rgba32>(path);

        var width = gifImage.Width;
        var height = gifImage.Height;
        var bytes = new byte[width * height * 4];
        gifImage.CopyPixelDataTo(bytes);
        var image = Image.CreateFromData(width, height, false, Image.Format.Rgba8, bytes);
        return ImageTexture.CreateFromImage(image);
    }
}