AnimatedImageComponent

public class AnimatedImageComponent implements ICustomComponent {

    IVariable image;

    IVariable ticks_per_frame;
    IVariable texture_height;
    IVariable texture_width;
    private transient ResourceLocation animatedImage;
    private transient int xOffset;
    private transient int yOffset;
    private transient int currentFrame = 0;
    private transient int imageHeight;
    private transient int imageWidth;
    private transient int height;
    private transient int width;
    private int frames;


    @Override
    public void build(int x, int y, int page) {
        xOffset = x;
        yOffset = y;
    }

    @Override
    public void render(MatrixStack matrixStack, IComponentRenderContext context, float v, int i, int i1) {
        if (context.getTicksInBook() % ticks_per_frame.asNumber().intValue() == 0) {
            currentFrame++;
        }
        if (currentFrame >= frames) {
            currentFrame = 0;
        }
        Minecraft.getInstance().getTextureManager().bindTexture(animatedImage);

        AbstractGui.drawTexture(matrixStack, xOffset, yOffset, 0, height * currentFrame, width / 4, height / 4, imageWidth, imageHeight);
    }

    @Override
    public void onVariablesAvailable(UnaryOperator<IVariable> lookup) {
        image = lookup.apply(image);
        ticks_per_frame = lookup.apply(ticks_per_frame);
        this.animatedImage = new ResourceLocation(image.asString());
        texture_height = lookup.apply(texture_height);
        texture_width = lookup.apply(texture_width);
        imageHeight = texture_height.asNumber().intValue();
        imageWidth = texture_width.asNumber().intValue();
        height = imageWidth;
        width = imageWidth;
        this.frames = imageHeight / imageWidth;
    }
}