Fix crash when pipes are disabled (#70)

src/main/java/knightminer/inspirations/library/client/IgnoreAllStateMapper.java

@@ -1,19 +1,16 @@
 package knightminer.inspirations.library.client;
 
-import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
 import net.minecraft.client.renderer.block.statemap.StateMapperBase;
 
 public class IgnoreAllStateMapper extends StateMapperBase {
 
-	private final ModelResourceLocation location;
-	public IgnoreAllStateMapper(Block block) {
-		this.location = new ModelResourceLocation(block.getRegistryName(), "normal");
-	}
+	public static final IgnoreAllStateMapper INSTANCE = new IgnoreAllStateMapper();
+	private IgnoreAllStateMapper() {}
 
 	@Override
 	protected ModelResourceLocation getModelResourceLocation(IBlockState state) {
-		return location;
+		return new ModelResourceLocation(state.getBlock().getRegistryName(), "normal");
 	}
 }

src/main/java/knightminer/inspirations/utility/UtilityClientProxy.java

@@ -52,7 +52,7 @@ public void registerModels(ModelRegistryEvent event) {
 		setModelStateMapper(InspirationsUtility.carpetedPressurePlate2, carpetedPressurePlate);
 		setModelStateMapper(InspirationsUtility.collector, new StateMap.Builder().ignore(BlockCollector.TRIGGERED).build());
 		// using multipart, so ignore all states to save memory
-		setModelStateMapper(InspirationsUtility.pipe, new IgnoreAllStateMapper(InspirationsUtility.pipe));
+		setModelStateMapper(InspirationsUtility.pipe, IgnoreAllStateMapper.INSTANCE);
 
 		// blocks
 		registerItemModel(InspirationsUtility.torchLever);