Block classes are now responsible for flipping of blocks in schematics. (#6254)

core/src/mindustry/world/Block.java

@@ -468,7 +468,7 @@ public class Block extends UnlockableContent{
         if(hasItems && configurable){
             bars.add("items", entity -> new Bar(() -> Core.bundle.format("bar.items", entity.items.total()), () -> Pal.items, () -> (float)entity.items.total() / itemCapacity));
         }
-        
+
         if(unitCapModifier != 0){
             stats.add(Stat.maxUnits, (unitCapModifier < 0 ? "-" : "+") + Math.abs(unitCapModifier));
         }
@@ -824,7 +824,7 @@ public class Block extends UnlockableContent{
         }
 
         clipSize = Math.max(clipSize, size * tilesize);
-        
+
         //only kept to ensure compatibility with v6 mods.
         if(expanded){
             clipSize += tilesize * 10f;
@@ -989,4 +989,9 @@ public class Block extends UnlockableContent{
         packer.add(PageType.editor, name + "-icon-editor", editorBase);
     }
 
+    public void flipRotation(BuildPlan req, boolean x){
+        if(x == (req.rotation % 2 == 0)){
+            req.rotation = Mathf.mod(req.rotation + 2, 4);
+        }
+    }
 }