Added model data refresh mixin

src/main/java/com/simibubi/create/foundation/mixin/ModelDataRefreshMixin.java

@@ -0,0 +1,37 @@
+package com.simibubi.create.foundation.mixin;
+
+import com.simibubi.create.content.schematics.SchematicWorld;
+
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+import net.minecraftforge.client.model.ModelDataManager;
+
+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 net.minecraft.client.Minecraft;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+
+@OnlyIn(Dist.CLIENT)
+@Mixin(ModelDataManager.class)
+public class ModelDataRefreshMixin {
+
+	/**
+	 * Normally ModelDataManager will throw an exception if a tile entity tries
+	 * to refresh its model data from a world the client isn't currently in,
+	 * but we need that to not happen for tile entities in fake schematic
+	 * worlds, so in those cases just do nothing instead.
+	 */
+	@Inject(at = @At("HEAD"), method = "requestModelDataRefresh", cancellable = true, remap = false)
+	private static void requestModelDataRefresh(TileEntity te, CallbackInfo ci) {
+		if (te != null) {
+			World world = te.getWorld();
+			if (world != Minecraft.getInstance().world && world instanceof SchematicWorld)
+				ci.cancel();
+		}
+	}
+
+}

src/main/resources/create.mixins.json

@@ -18,7 +18,8 @@
     "StoreProjectionMatrixMixin",
     "TileRemoveMixin",
     "TileWorldHookMixin",
-    "WindowResizeMixin"
+    "WindowResizeMixin",
+    "ModelDataRefreshMixin"
   ],
   "injectors": {
     "defaultRequire": 1