Shield breaker block

core/src/mindustry/world/blocks/defense/ShieldBreaker.java

@@ -1,9 +1,16 @@
 package mindustry.world.blocks.defense;
 
+import arc.math.*;
+import arc.util.*;
+import mindustry.*;
+import mindustry.content.*;
+import mindustry.entities.*;
 import mindustry.gen.*;
 import mindustry.world.*;
 
 public class ShieldBreaker extends Block{
+    public @Nullable Block toDestroy;
+    public Effect effect = Fx.shockwave, breakEffect = Fx.reactorExplosion, selfKillEffect = Fx.massiveExplosion;
 
     public ShieldBreaker(String name){
         super(name);
@@ -11,11 +18,30 @@ public class ShieldBreaker extends Block{
         solid = update = true;
     }
 
+    @Override
+    public boolean canBreak(Tile tile){
+        return false;
+    }
+
     public class ShieldBreakerBuild extends Building{
 
         @Override
         public void updateTile(){
-
+            if(Mathf.equal(efficiency, 1f)){
+                if(toDestroy != null){
+                    effect.at(this);
+                    for(var other : Vars.state.teams.active){
+                        if(team != other.team){
+                            other.getBuildings(toDestroy).copy().each(b -> {
+                                breakEffect.at(b);
+                                b.kill();
+                            });
+                        }
+                    }
+                    selfKillEffect.at(this);
+                    kill();
+                }
+            }
         }
     }
 }