Point defense blocks

core/src/mindustry/entities/bullet/BulletType.java

@@ -63,6 +63,8 @@ public abstract class BulletType extends Content{
     public boolean keepVelocity = true;
     /** Whether to scale velocity to disappear at the target position. Used for artillery. */
     public boolean scaleVelocity;
+    /** Whether this bullet can be hit by point defense. */
+    public boolean hittable = true;
 
     //additional effects
 

core/src/mindustry/entities/bullet/HealBulletType.java

@@ -20,6 +20,7 @@ public class HealBulletType extends BulletType{
         hitEffect = Fx.hitLaser;
         despawnEffect = Fx.hitLaser;
         collidesTeam = true;
+        hittable = false;
     }
 
     public HealBulletType(){

core/src/mindustry/entities/bullet/LaserBulletType.java

@@ -28,6 +28,7 @@ public class LaserBulletType extends BulletType{
         hitSize = 4;
         lifetime = 16f;
         pierce = true;
+        hittable = false;
     }
 
     public LaserBulletType(){

core/src/mindustry/entities/bullet/LightningBulletType.java

@@ -17,6 +17,7 @@ public class LightningBulletType extends BulletType{
         despawnEffect = Fx.none;
         hitEffect = Fx.hitLancer;
         keepVelocity = false;
+        hittable = false;
     }
 
     @Override