exclusivity manager, not applied to selectionui

src/main/java/xyz/valnet/hadean/gameobjects/ui/ExclusivityManager.java

@@ -0,0 +1,33 @@
+package xyz.valnet.hadean.gameobjects.ui;
+
+import xyz.valnet.engine.scenegraph.GameObject;
+import xyz.valnet.hadean.gameobjects.ui.tabs.Tab;
+import xyz.valnet.hadean.util.Assets;
+
+public class ExclusivityManager extends GameObject {
+  private Tab current = null;
+
+  private boolean switching = false;
+  
+  public void switchTo(Tab tab) {
+    if(tab == current) return;
+    if(tab == null) {
+      closeCurrent();
+      return;
+    }
+    Assets.sndBubble.play();
+    switching = true;
+    if(current != null) current.close();
+    current = tab;
+    current.open();
+    switching = false;
+  }
+
+  public void closeCurrent() {
+    if(switching) return;
+    Assets.sndCancel.play();
+    current.close();
+    current = null;
+  }
+
+}

src/main/java/xyz/valnet/hadean/gameobjects/ui/tabs/Tab.java

@@ -1,11 +1,12 @@
 package xyz.valnet.hadean.gameobjects.ui.tabs;
 
+import static xyz.valnet.engine.util.Math.*;
+
 import xyz.valnet.engine.graphics.ImmediateUI;
 import xyz.valnet.engine.scenegraph.ITransient;
-import static xyz.valnet.engine.util.Math.lerp;
 import xyz.valnet.hadean.gameobjects.BottomBar;
+import xyz.valnet.hadean.gameobjects.ui.ExclusivityManager;
 import xyz.valnet.hadean.interfaces.IBottomBarItem;
-import xyz.valnet.hadean.util.Assets;
 import xyz.valnet.hadean.util.Layers;
 
 public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransient {
@@ -15,6 +16,8 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
   protected boolean opened = false;
   private float animation = 0f;
 
+  private ExclusivityManager exclusivityManager;
+
   @Override
   public void update(float dTime) {
     animation = lerp(animation, opened ? 1 : 0, dTime / 20);
@@ -23,6 +26,7 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
   @Override
   protected void connect() {
     bottombar = get(BottomBar.class);
+    exclusivityManager = get(ExclusivityManager.class);
   }
   
   @Override
@@ -56,15 +60,15 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
 
   public final void open() {
     if(opened) return;
-    Assets.sndBubble.play();
     opened = true;
+    exclusivityManager.switchTo(this);
     onOpen();
   }
 
   public final void close() {
     if(!opened) return;
-    Assets.sndCancel.play();
     opened = false;
+    exclusivityManager.closeCurrent();
     onClose();
   }
 

src/main/java/xyz/valnet/hadean/scenes/GameScene.java

@@ -10,6 +10,7 @@ import xyz.valnet.hadean.gameobjects.SelectionUI;
 import xyz.valnet.hadean.gameobjects.Terrain;
 import xyz.valnet.hadean.gameobjects.inputlayer.BuildLayer;
 import xyz.valnet.hadean.gameobjects.inputlayer.SelectionLayer;
+import xyz.valnet.hadean.gameobjects.ui.ExclusivityManager;
 import xyz.valnet.hadean.gameobjects.ui.HoverQuery;
 import xyz.valnet.hadean.gameobjects.ui.Popup;
 import xyz.valnet.hadean.gameobjects.ui.tabs.BuildTab;
@@ -53,6 +54,7 @@ public class GameScene extends SceneGraph {
     objects.add(new HoverQuery());
 
     objects.add(new BottomBar());
+    objects.add(new ExclusivityManager());
     objects.add(new BuildTab());
     // objects.add(new JobBoardTab());
     objects.add(new DebugTab());