src/main/java/moe/nea/firmament/mixins/render/entitytints/UseOverlayableSkullBlockEntityRenderer.java


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package moe.nea.firmament.mixins.render.entitytints;

import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
import moe.nea.firmament.events.EntityRenderTintEvent;
import net.minecraft.client.render.OverlayTexture;
import net.minecraft.client.render.RenderLayer;
import net.minecraft.client.render.block.entity.SkullBlockEntityRenderer;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;

/**
 * Patch to make {@link SkullBlockEntityRenderer} use a {@link RenderLayer} that allows uses Minecraft's overlay texture, if a {@link EntityRenderTintEvent#overlayOverride} is specified.
 */

@Mixin(SkullBlockEntityRenderer.class)
public class UseOverlayableSkullBlockEntityRenderer {
	@ModifyExpressionValue(method = "renderSkull",
		at = @At(value = "FIELD", target = "Lnet/minecraft/client/render/OverlayTexture;DEFAULT_UV:I"))
	private static int replaceUvIndex(int original) {
		if (EntityRenderTintEvent.overlayOverride != null)
			return OverlayTexture.packUv(15, 10); // TODO: store this info in a global alongside overlayOverride
		return original;
	}

}