Lots of fixes

src/main/java/appeng/parts/automation/AbstractFormationPlanePart.java

@@ -171,10 +171,14 @@ public abstract class AbstractFormationPlanePart<T extends IAEStack<T>> extends
 
             final BlockPos tePos = te.getPos().offset(side.getFacing());
 
-            this.blocked = !w.getBlockState(tePos).getMaterial().isReplaceable();
+            this.blocked = isBlocking(w, tePos);
         }
     }
 
+    protected boolean isBlocking(BlockView w, BlockPos pos) {
+        return !w.getBlockState(pos).getMaterial().isReplaceable();
+    }
+
     @Override
     public float getCableConnectionLength(AECableType cable) {
         return 1;