Fix more bugs

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

@@ -66,9 +66,7 @@ public class Enemy extends DestructibleEntity{
 		Tile core = Vars.control.getCore();
 		
 		if(idletime > maxIdleLife){
-			Effects.effect(Fx.shellsmoke, this);
+			onDeath();
-			Effects.effect(Fx.explosion, this);
-			remove();
 			return;
 		}
 		
@@ -239,7 +237,7 @@ public class Enemy extends DestructibleEntity{
 		
 		float minv = 0.08f;
 		
-		if(xvelocity < minv && yvelocity < minv && node > 0){
+		if(xvelocity < minv && yvelocity < minv && node > 0 && target == null){
 			idletime += Timers.delta();
 		}else{
 			idletime = 0;

core/src/io/anuke/mindustry/ui/MenuButton.java

@@ -9,7 +9,7 @@ import io.anuke.ucore.scene.ui.Image;
 
 public class MenuButton extends Button{
 	
-	public MenuButton(String icon, Listenable clicked){
+	public MenuButton(String icon, PressGroup group, Listenable clicked){
 		super("menu");
 		Image image = new Image(icon);
 		image.setScaling(Scaling.fit);
@@ -17,5 +17,6 @@ public class MenuButton extends Button{
 		image.setOrigin(Align.center);
 		add(image);
 		clicked(clicked);
+		group.add(this);
 	}
 }

core/src/io/anuke/mindustry/ui/MenuDialog.java

@@ -5,9 +5,11 @@ import static io.anuke.mindustry.Vars.ui;
 import io.anuke.mindustry.Vars;
 import io.anuke.mindustry.core.GameState;
 import io.anuke.mindustry.core.GameState.State;
+import io.anuke.ucore.scene.Element;
 import io.anuke.ucore.scene.builders.build;
 import io.anuke.ucore.scene.builders.imagebutton;
 import io.anuke.ucore.scene.ui.ConfirmDialog;
+import io.anuke.ucore.scene.ui.ImageButton;
 import io.anuke.ucore.scene.ui.layout.Cell;
 import io.anuke.ucore.scene.ui.layout.Unit;
 
@@ -69,6 +71,8 @@ public class MenuDialog extends FloatingDialog{
 		}else{
 			build.begin(content());
 			
+			PressGroup group = new PressGroup();
+			
 			content().defaults().size(120f).pad(5).units(Unit.dp);
 			float isize = Unit.dp.inPixels(14f*4);
 			
@@ -94,6 +98,12 @@ public class MenuDialog extends FloatingDialog{
 				}}.show();
 			}).text("Quit").padTop(4f);
 			
+			for(Element e : content().getChildren()){
+				if(e instanceof ImageButton){
+					group.add((ImageButton)e);
+				}
+			}
+			
 			build.end();
 		}
 	}

core/src/io/anuke/mindustry/ui/PressGroup.java

@@ -0,0 +1,16 @@
+package io.anuke.mindustry.ui;
+
+import com.badlogic.gdx.utils.Array;
+
+import io.anuke.ucore.scene.ui.Button;
+
+public class PressGroup{
+	private Array<Button> buttons = new Array<>();
+	private boolean active = true;
+	
+	public void add(Button button){
+		//TODO make only one button in the group be clickable
+		buttons.add(button);
+	}
+	
+}

core/src/io/anuke/mindustry/ui/fragments/MenuFragment.java

@@ -8,6 +8,7 @@ import io.anuke.mindustry.Mindustry;
 import io.anuke.mindustry.core.GameState;
 import io.anuke.mindustry.core.GameState.State;
 import io.anuke.mindustry.ui.MenuButton;
+import io.anuke.mindustry.ui.PressGroup;
 import io.anuke.mindustry.world.Map;
 import io.anuke.ucore.scene.builders.imagebutton;
 import io.anuke.ucore.scene.builders.table;
@@ -21,25 +22,27 @@ public class MenuFragment implements Fragment{
 			new table(){{
 				
 				new table(){{
+					PressGroup group = new PressGroup();
+					
 					float scale = 4f;
 					defaults().size(100*scale, 21*scale).pad(-10f).units(Unit.dp);
 					
-					add(new MenuButton("text-play", ()-> ui.showLevels()));
+					add(new MenuButton("text-play", group, ()-> ui.showLevels()));
 					row();
 					
-					add(new MenuButton("text-tutorial", ()-> control.playMap(Map.tutorial)));
+					add(new MenuButton("text-tutorial", group, ()-> control.playMap(Map.tutorial)));
 					row();
 					
 					if(!gwt){
-						add(new MenuButton("text-load", ()-> ui.showLoadGame()));
+						add(new MenuButton("text-load", group, ()-> ui.showLoadGame()));
 						row();
 					}
 					
-					add(new MenuButton("text-settings", ()-> ui.showPrefs()));
+					add(new MenuButton("text-settings", group, ()-> ui.showPrefs()));
 					row();
 					
 					if(!gwt){
-						add(new MenuButton("text-exit", ()-> Gdx.app.exit()));
+						add(new MenuButton("text-exit", group, ()-> Gdx.app.exit()));
 					}
 					get().pad(Unit.dp.inPixels(16));
 				}}.end();

core/src/io/anuke/mindustry/world/blocks/ProductionBlocks.java

@@ -24,7 +24,7 @@ public class ProductionBlocks{
 		
 		@Override
 		public int handleDamage(Tile tile, int amount){
-			return Vars.debug ? amount : amount;
+			return Vars.debug ? 0 : amount;
 		}
 		
 		@Override