--- a/net/minecraft/client/renderer/model/MultipartBakedModel.java
+++ b/net/minecraft/client/renderer/model/MultipartBakedModel.java
@@ -18,7 +18,7 @@
 import org.apache.commons.lang3.tuple.Pair;

 @OnlyIn(Dist.CLIENT)
-public class MultipartBakedModel implements IBakedModel {
+public class MultipartBakedModel implements net.minecraftforge.client.model.data.IDynamicBakedModel {
    private final List<Pair<Predicate<BlockState>, IBakedModel>> field_188626_f;
    protected final boolean field_188621_a;
    protected final boolean field_188622_b;
@@ -39,30 +39,30 @@
       this.field_188625_e = ibakedmodel.func_188617_f();
    }

-   public List<BakedQuad> func_200117_a(@Nullable BlockState p_200117_1_, @Nullable Direction p_200117_2_, Random p_200117_3_) {
-      if (p_200117_1_ == null) {
+   public List<BakedQuad> getQuads(@Nullable BlockState state, @Nullable Direction side, Random rand, net.minecraftforge.client.model.data.IModelData modelData) {
+      if (state == null) {
          return Collections.emptyList();
       } else {
-         BitSet bitset = this.field_210277_g.get(p_200117_1_);
+         BitSet bitset = this.field_210277_g.get(state);
          if (bitset == null) {
             bitset = new BitSet();

             for(int i = 0; i < this.field_188626_f.size(); ++i) {
                Pair<Predicate<BlockState>, IBakedModel> pair = this.field_188626_f.get(i);
-               if (pair.getLeft().test(p_200117_1_)) {
+               if (pair.getLeft().test(state)) {
                   bitset.set(i);
                }
             }

-            this.field_210277_g.put(p_200117_1_, bitset);
+            this.field_210277_g.put(state, bitset);
          }

          List<BakedQuad> list = Lists.newArrayList();
-         long k = p_200117_3_.nextLong();
+         long k = rand.nextLong();

          for(int j = 0; j < bitset.length(); ++j) {
             if (bitset.get(j)) {
-               list.addAll(this.field_188626_f.get(j).getRight().func_200117_a(p_200117_1_, p_200117_2_, new Random(k)));
+               list.addAll(this.field_188626_f.get(j).getRight().getQuads(state, side, new Random(k), modelData));
             }
          }