improved shape cacheing to not have any duplicates

Author: Trinsdar

common/src/main/java/muramasa/antimatter/cover/ICover.java

@@ -245,6 +245,10 @@ default VoxelShape makeShapes(Direction side) {
         };
     }
 
+    default ResourceLocation getIdForCache(){
+        return new ResourceLocation(Ref.ID, "cover");
+    }
+
     default boolean isEmpty() {
         return this == empty;
     }

common/src/main/java/muramasa/antimatter/pipe/BlockPipe.java

@@ -416,7 +416,7 @@ public VoxelShape getOrCreateShape(BlockEntityPipe<?> tile) throws ExecutionExce
                 if (cover.isEmpty()) {
                     coverIds[s.get3DDataValue()] = "";
                 } else {
-                    coverIds[s.get3DDataValue()] = cover.getLoc().toString();
+                    coverIds[s.get3DDataValue()] = cover.getIdForCache().toString();
                     allEmpty = false;
                 }
             }