fix obfuscation error from last commit D: (#648)

src/main/java/com/gtnewhorizons/angelica/transform/BlockTransformer.java

@@ -31,6 +31,10 @@ public class BlockTransformer implements IClassTransformer {
         return AngelicaTweaker.isObfEnv() ? srgMapping : mcpMapping;
     }
 
+    public static String getClearFieldName(String name) {
+        return AngelicaTweaker.isObfEnv() ? mcpMapping.get(srgMapping.indexOf(name)) : name;
+    }
+
     /**
      * Delete the global vanilla bounding box fields off the Block object. {@link RedirectorTransformer}
      * replaces these with a thread-safe alternative.

src/main/java/com/gtnewhorizons/angelica/transform/RedirectorTransformer.java

@@ -387,7 +387,7 @@ public class RedirectorTransformer implements IClassTransformer {
                                 AngelicaTweaker.LOGGER.info("Redirecting Block.{} in {} to thread-safe wrapper", fNode.name, transformedName);
                             }
                             // Perform the redirect
-                            fNode.name = fieldToRedirect;
+                            fNode.name = BlockTransformer.getClearFieldName(fieldToRedirect);
                             fNode.owner = ThreadedBlockData;
                             // Inject getter before the field access, to turn Block -> ThreadedBlockData
                             final MethodInsnNode getter = new MethodInsnNode(Opcodes.INVOKESTATIC, ThreadedBlockData, "get", "(L" + BlockClass + ";)L" + ThreadedBlockData + ";", false);