More enemy balancing

core/src/io/anuke/mindustry/entities/BulletType.java

@@ -62,7 +62,7 @@ public abstract class BulletType  extends BaseBulletType<Bullet>{
 			}
 		}
 	},
-	emp = new BulletType(1.6f, 8){
+	emp = new BulletType(1.6f, 6){
 		{
 			lifetime = 50f;
 			hitsize = 6f;

core/src/io/anuke/mindustry/entities/WaveCreator.java

@@ -149,8 +149,8 @@ public class WaveCreator{
 			}},
 			new EnemySpawn(FortressEnemy.class){{
 				after = 12;
-				spacing = 4;
-				scaling = 6;
+				spacing = 5;
+				scaling = 7;
 			}},
 			new EnemySpawn(HealerEnemy.class){{
 				scaling = 3;
@@ -163,8 +163,8 @@ public class WaveCreator{
 			}},
 			new EnemySpawn(FlamerEnemy.class){{
 				after = 14;
-				spacing = 5;
-				scaling = 2;
+				spacing = 6;
+				scaling = 3;
 			}},
 			new EnemySpawn(BlastEnemy.class){{
 				after = 12;

core/src/io/anuke/mindustry/entities/effect/EMP.java

@@ -53,7 +53,7 @@ public class EMP extends TimedEntity{
 			if(tile != null && tile.block() instanceof PowerAcceptor){
 				PowerAcceptor p = (PowerAcceptor)tile.block();
 				p.setPower(tile, 0f);
-				tile.entity.damage((int)(damage*1.6f)); //extra damage
+				tile.entity.damage((int)(damage*1.5f)); //extra damage
 			}
 			
 			//entity may be null here, after the block is dead!

core/src/io/anuke/mindustry/entities/enemies/Enemy.java

@@ -17,6 +17,7 @@ public class Enemy extends DestructibleEntity{
 	public final static Color[] tierColors = { Color.valueOf("ffe451"), Color.valueOf("f48e20"), Color.valueOf("ff6757"), Color.valueOf("ff2d86") };
 	public final static int maxtier = 4;
 	public final static float maxIdle = 60*1.5f;
+	public final static float maxIdleLife = 60f*15f; //15 seconds idle = death
 	
 	protected int timeid;
 	protected Timer timer = new Timer(5);
@@ -64,6 +65,13 @@ public class Enemy extends DestructibleEntity{
 	void move(){
 		Tile core = Vars.control.getCore();
 		
+		if(idletime > maxIdleLife){
+			Effects.effect(Fx.shellsmoke, this);
+			Effects.effect(Fx.explosion, this);
+			remove();
+			return;
+		}
+		
 		boolean nearCore = distanceTo(core.worldx(), core.worldy()) <= range - 18f && stopNearCore;
 		Vector2 vec;