Fixed #3943

core/src/mindustry/entities/units/BuildPlan.java

@@ -3,6 +3,7 @@ package mindustry.entities.units;
 import arc.func.*;
 import arc.math.geom.*;
 import arc.util.*;
+import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.world.*;
 
@@ -61,6 +62,12 @@ public class BuildPlan implements Position{
 
     }
 
+    public boolean isRotation(Team team){
+        if(breaking) return false;
+        Tile tile = tile();
+        return tile != null && tile.team() == team && tile.block() == block && tile.build != null && tile.build.rotation != rotation;
+    }
+
     public boolean samePos(BuildPlan other){
         return x == other.x && y == other.y;
     }