Let rabbits join the fun!

src/main/java/ch/voidlee/repair/mixin/client/accessor/RabbitModelAccessor.java

@@ -0,0 +1,12 @@
+package ch.voidlee.repair.mixin.client.accessor;
+
+import net.minecraft.client.model.RabbitModel;
+import net.minecraft.client.model.geom.ModelPart;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(RabbitModel.class)
+public interface RabbitModelAccessor {
+    @Accessor("head")
+    ModelPart create_repair$getHead();
+}

src/main/java/ch/voidlee/repair/mixin/client/tweaks/CreateHatArmorLayerMixin.java

@@ -0,0 +1,46 @@
+package ch.voidlee.repair.mixin.client.tweaks;
+
+import ch.voidlee.repair.mixin.client.accessor.RabbitModelAccessor;
+import com.llamalad7.mixinextras.sugar.Local;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.simibubi.create.content.equipment.hats.CreateHatArmorLayer;
+import com.simibubi.create.content.trains.schedule.hat.TrainHatInfo;
+import net.minecraft.client.model.EntityModel;
+import net.minecraft.client.model.RabbitModel;
+import net.minecraft.client.model.geom.ModelPart;
+import net.minecraft.client.renderer.entity.EntityRenderer;
+import net.minecraft.client.renderer.entity.LivingEntityRenderer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.List;
+
+@Mixin(CreateHatArmorLayer.class)
+public abstract class CreateHatArmorLayerMixin {
+
+    @Inject(method = "registerOn", at = @At(value = "INVOKE_ASSIGN", target = "Lnet/minecraft/client/renderer/entity/LivingEntityRenderer;getModel()Lnet/minecraft/client/model/EntityModel;"), cancellable = true, remap = false)
+    private static void create_repair$addCustomModelException(EntityRenderer<?> entityRenderer, CallbackInfo ci, @Local(name = "livingRenderer") LivingEntityRenderer<?, ?> livingRenderer, @Local(name = "model") EntityModel<?> model) {
+        if (model instanceof RabbitModel) {
+            CreateHatArmorLayer<?, ?> layer = new CreateHatArmorLayer<>(livingRenderer);
+            livingRenderer.addLayer((CreateHatArmorLayer) layer);
+            ci.cancel();
+        }
+    }
+
+    @Inject(method = "render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource;ILnet/minecraft/world/entity/LivingEntity;FFFFFF)V", at = @At(value = "INVOKE", target = "Ljava/util/List;isEmpty()Z", ordinal = 0), remap = false)
+    private void create_repair$injectCustomHatModelRender(CallbackInfo ci, @Local(argsOnly = true) PoseStack ms, @Local(name = "entityModel") EntityModel<?> entityModel, @Local(name = "info") TrainHatInfo info, @Local(name = "partsToHead") List<ModelPart> partsToHead) {
+        if (entityModel instanceof RabbitModel<?> model) {
+            if (model.young) {
+                ms.scale(0.56666666F, 0.56666666F, 0.56666666F);
+                ms.translate(0.0F, 1.375F, 0.125F);
+            } else {
+                ms.scale(0.6F, 0.6F, 0.6F);
+                ms.translate(0.0F, 1.0F, 0.0F);
+            }
+            ModelPart head = ((RabbitModelAccessor) model).create_repair$getHead();
+            partsToHead.addAll(TrainHatInfo.getAdjustedPart(info, head, "head"));
+        }
+    }
+}

src/main/resources/assets/minecraft/train_hat_info/rabbit.json

@@ -0,0 +1,7 @@
+{
+  "offset": [
+    0.0,
+    -1.0,
+    -2.5
+  ]
+}

src/main/resources/mixins.create_repair.json

@@ -86,6 +86,7 @@
   "client": [
     "client.CreateMainMenuScreenMixin",
     "client.OptionsMixin",
+    "client.accessor.RabbitModelAccessor",
     "client.bug_fixes.CopycatModelMixin",
     "client.bug_fixes.RadialWrenchMenuMixin",
     "client.bug_fixes.ScheduleScreenMixin",
@@ -102,7 +103,8 @@
     "client.crash_fixes.ClipboardScreenMixin",
     "client.crash_fixes.ContraptionUOEMixin",
     "client.crash_fixes.ponder_keybind.PonderKeybindsMixin",
-    "client.crash_fixes.ponder_keybind.PonderTooltipHandlerMixin"
+    "client.crash_fixes.ponder_keybind.PonderTooltipHandlerMixin",
+    "client.tweaks.CreateHatArmorLayerMixin"
   ],
   "mixinextras": {
     "minVersion": "0.5.3"