--- a/net/minecraft/client/renderer/block/model/ModelRotation.java
+++ b/net/minecraft/client/renderer/block/model/ModelRotation.java
@@ -10,9 +10,10 @@
 import net.minecraft.util.math.MathHelper;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.client.model.IModel;
 
 @OnlyIn(Dist.CLIENT)
-public enum ModelRotation {
+public enum ModelRotation implements net.minecraftforge.common.model.IModelState, net.minecraftforge.common.model.ITransformation {
    X0_Y0(0, 0),
    X0_Y90(0, 90),
    X0_Y180(0, 180),
@@ -97,4 +98,9 @@
    public static ModelRotation func_177524_a(int p_177524_0_, int p_177524_1_) {
       return field_177546_q.get(func_177521_b(MathHelper.func_180184_b(p_177524_0_, 360), MathHelper.func_180184_b(p_177524_1_, 360)));
    }
+   
+   public java.util.Optional<net.minecraftforge.common.model.TRSRTransformation> apply(java.util.Optional<? extends net.minecraftforge.common.model.IModelPart> part) { return net.minecraftforge.client.ForgeHooksClient.applyTransform(this, part); }
+   public javax.vecmath.Matrix4f getMatrix() { return net.minecraftforge.common.model.TRSRTransformation.from(this).getMatrix(); }
+   public EnumFacing rotate(EnumFacing facing) { return func_177523_a(facing); }
+   public int rotate(EnumFacing facing, int vertexIndex) { return func_177520_a(facing, vertexIndex); }
 }