circleTarget unit AI parameter

core/src/mindustry/ai/types/BuilderAI.java

@@ -130,6 +130,6 @@ public class BuilderAI extends AIController{
 
     @Override
     public boolean shouldShoot(){
-        return !((Builderc)unit).isBuilding();
+        return !unit.isBuilding();
     }
 }

core/src/mindustry/ai/types/FlyingAI.java

@@ -12,7 +12,7 @@ public class FlyingAI extends AIController{
     @Override
     public void updateMovement(){
         if(target != null && unit.hasWeapons() && command() == UnitCommand.attack){
-            if(unit.type.weapons.first().rotate){
+            if(unit.type.circleTarget){
                 moveTo(target, unit.range() * 0.8f);
                 unit.lookAt(target);
             }else{