Move model loading to the correct event. Fixes #2991 (#2994)

* Use the correct event for loading models.
* Introduce IModelRegistry to wrap the ModelLoader

src/main/java/appeng/bootstrap/components/ItemMeshDefinitionComponent.java

@@ -21,17 +21,18 @@ package appeng.bootstrap.components;
 
 import javax.annotation.Nonnull;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.ItemMeshDefinition;
 import net.minecraft.item.Item;
 import net.minecraftforge.fml.relauncher.Side;
 
+import appeng.bootstrap.IModelRegistry;
+
 
 /**
  * Registers a custom item mesh definition that can be used to dynamically determine the item model based on
  * item stack properties.
  */
-public class ItemMeshDefinitionComponent implements InitComponent
+public class ItemMeshDefinitionComponent implements IModelRegistrationComponent
 {
 
 	private final Item item;
@@ -45,8 +46,8 @@ public class ItemMeshDefinitionComponent implements InitComponent
 	}
 
 	@Override
-	public void initialize( Side side )
+	public void modelRegistration( Side side, IModelRegistry registry )
 	{
-		Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register( this.item, this.meshDefinition );
+		registry.setCustomMeshDefinition( this.item, this.meshDefinition );
 	}
 }