Turret pattern rewrite

core/src/mindustry/entities/pattern/ShootMulti.java

@@ -0,0 +1,25 @@
+package mindustry.entities.pattern;
+
+public class ShootMulti extends ShootPattern{
+    public ShootPattern source;
+    public ShootPattern[] dest = {};
+
+    public ShootMulti(ShootPattern source, ShootPattern... dest){
+        this.source = source;
+        this.dest = dest;
+    }
+
+    public ShootMulti(){
+    }
+
+    @Override
+    public void shoot(int totalShots, BulletHandler handler){
+        source.shoot(totalShots, (x, y, rotation, delay) -> {
+            for(var pattern : dest){
+                pattern.shoot(totalShots, (x2, y2, rot2, delay2) -> {
+                    handler.shoot(x + x2, y + y2, rotation + rot2, delay + delay2);
+                });
+            }
+        });
+    }
+}