MixinModelLoader

MixinModelLoader.java

// 1.14.4 -> 1.16.1
// ISprite -> IModelTransform
// IModelState -> IForgeModelTransform
// ITransformation -> IForgeTransformationMatrix

@Mixin(value = ModelLoader.class)
public abstract class MixinModelLoader implements ForgeModelLoader {
	@Inject(method = "bake", at = @At("HEAD"))
	public void qwwq(CallbackInfoReturnable ci) {
		return;
	}
}

MixinModelLoaderStage2.java

@Mixin(value = ModelLoader.class, priority = 9999)
@Implements(@Interface(iface = VanillaModelLoader.class, prefix = "PML$"))
public abstract class MixinModelLoaderStage2 implements ForgeModelLoader {
	///////////////////////////////////////////////////
	/// ModelLoader.bake and Forge's getBakedModel
	///////////////////////////////////////////////////
	@Unique
	private static final ThreadLocal<Stack<Function<Identifier, Sprite>>> textureGetterStack = ThreadLocal.withInitial(Stack::new);

	@Shadow
	public abstract BakedModel bake(Identifier identifier, ModelBakeSettings settings);

	// We rename the original function so that its calls are redirected to here.
	@Intrinsic(displace = true)
	public BakedModel PML$bake(Identifier identifier, ModelBakeSettings settings) {
		textureGetterStack.get().push(getSpriteMap()::getSprite);
		BakedModel bakedModel = bake(identifier, settings);
		textureGetterStack.get().pop();
		return bakedModel;
	}

	@Override
	public BakedModel getBakedModel(Identifier identifier, ModelBakeSettings settings, Function<Identifier, Sprite> textureGetter) {
		textureGetterStack.get().push(textureGetter);
		BakedModel bakedModel = bake(identifier, settings);
		textureGetterStack.get().pop();
		return bakedModel;
	}
}