selection ui exclusivity

src/main/java/xyz/valnet/engine/graphics/IModalUI.java

@@ -0,0 +1,12 @@
+package xyz.valnet.engine.graphics;
+
+// TODO there is some shared logic for these in tabs & selection ui.
+// combine them into a base class, probably extending immediateUI...
+
+public interface IModalUI {
+  public void open();
+  public void close();
+  public default void back() {
+    close();
+  }
+}

src/main/java/xyz/valnet/hadean/gameobjects/SelectionUI.java

@@ -6,16 +6,20 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import xyz.valnet.engine.graphics.IModalUI;
 import xyz.valnet.engine.graphics.ImmediateUI;
 import xyz.valnet.engine.scenegraph.ITransient;
 import xyz.valnet.hadean.gameobjects.inputlayer.SelectionLayer;
+import xyz.valnet.hadean.gameobjects.ui.ExclusivityManager;
 import xyz.valnet.hadean.interfaces.ISelectable;
 import xyz.valnet.hadean.interfaces.ISelectionChangeListener;
 import xyz.valnet.hadean.util.Action;
 import xyz.valnet.hadean.util.Layers;
 import xyz.valnet.hadean.util.detail.Detail;
 
-public class SelectionUI extends ImmediateUI implements ISelectionChangeListener, ITransient {
+import static xyz.valnet.engine.util.Math.lerp;
+
+public class SelectionUI extends ImmediateUI implements ISelectionChangeListener, ITransient, IModalUI {
 
   private class SelectedByType extends HashMap<Class<? extends ISelectable>, List<ISelectable>> {}
 
@@ -30,7 +34,11 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
 
   private final int width = 300, height = 200;
   private final int padding = 10;
-  private final int actionButtonSize = 100;
+  
+  private boolean opened = false;
+  private float openness = 0f;
+
+  private ExclusivityManager exclusivityManager;
 
   // this will be null normally, but set if
   // a button has been pressed to update the selection.
@@ -47,19 +55,34 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
 
   @Override
   public void update(float dTime) {
+    openness = lerp(openness, opened ? 1 : 0, dTime / 20);
     if(newSelection != null) {
       selectionManager.updateSelection(newSelection);
       newSelection = null;
     }
+    if(!opened && openness < 0.0001f && selected.size() > 0) {
+      resetCache();
+    }
+  }
+
+  private void resetCache() {
+    selected = new ArrayList<ISelectable>();
+    selectedByType.clear();
+    selectedCount = selected.size();
+    actions.clear();
   }
 
   @Override
   public void selectionChanged(List<ISelectable> newSelection) {
 
+    if(newSelection.size() == 0) {
+      close();
+      return;
+    }
+
+    resetCache();
     selected = newSelection;
-    selectedByType.clear();
+    selectedCount = selected.size();
-    selectedCount = newSelection.size();
-    actions.clear();
 
     for(ISelectable selectable : newSelection) {
       Class<? extends ISelectable> clazz = selectable.getClass();
@@ -70,13 +93,14 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
         actions.add(action);
       }
       
-      
       if(!selectedByType.containsKey(clazz)) {
         selectedByType.put(clazz, new ArrayList<ISelectable>());
       }
 
       selectedByType.get(clazz).add(selectable);
     }
+
+    open();
   }
 
   @Override
@@ -84,11 +108,17 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
     return Layers.GENERAL_UI;
   }
 
+  private int animate(int a, int b) {
+    System.out.println(openness);
+    return (int) Math.round(lerp(a, b, openness));
+  }
+  
   @Override
   protected void gui() {
-    if(selected.isEmpty()) return;
+    // if(selected.isEmpty()) return;
+    if(!opened && openness <= 0.0001f) return;
 
-    window(padding, 576 - padding - height - BottomBar.bottomBarHeight, width, height, () -> {
+    window(animate(-width - 50, padding), 576 - padding - height - BottomBar.bottomBarHeight, width, height, () -> {
       if(selectedByType.size() == 1) {
         if(selectedCount == 1) {
           text(properName);
@@ -137,4 +167,25 @@ public class SelectionUI extends ImmediateUI implements ISelectionChangeListener
     }
 
   }
+
+  @Override
+  public void open() {
+    if(opened) return;
+    opened = true;
+    exclusivityManager.switchTo(this);
+  }
+
+  @Override
+  public void close() {
+    if(!opened) return;
+    opened = false;
+    exclusivityManager.closeCurrent();
+    selectionManager.clearSelection();
+  }
+
+  @Override
+  protected void connect() {
+    super.connect();
+    exclusivityManager = get(ExclusivityManager.class);
+  }
 }

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

@@ -1,5 +1,6 @@
 package xyz.valnet.hadean.gameobjects.ui;
 
+import xyz.valnet.engine.graphics.IModalUI;
 import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.engine.scenegraph.ITransient;
 import xyz.valnet.hadean.gameobjects.ui.tabs.BuildTab;
@@ -7,13 +8,13 @@ import xyz.valnet.hadean.gameobjects.ui.tabs.Tab;
 import xyz.valnet.hadean.util.Assets;
 
 public class ExclusivityManager extends GameObject implements ITransient {
-  private Tab current = null;
+  private IModalUI current = null;
 
   private boolean switching = false;
 
-  private Tab defaultTab = null;
+  private IModalUI defaultTab = null;
   
-  public void switchTo(Tab tab) {
+  public void switchTo(IModalUI tab) {
     if(tab == current) return;
     if(tab == null) {
       closeCurrent();

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

@@ -1,7 +1,8 @@
 package xyz.valnet.hadean.gameobjects.ui.tabs;
 
-import static xyz.valnet.engine.util.Math.*;
+import static xyz.valnet.engine.util.Math.lerp;
 
+import xyz.valnet.engine.graphics.IModalUI;
 import xyz.valnet.engine.graphics.ImmediateUI;
 import xyz.valnet.engine.scenegraph.ITransient;
 import xyz.valnet.hadean.gameobjects.BottomBar;
@@ -9,7 +10,7 @@ import xyz.valnet.hadean.gameobjects.ui.ExclusivityManager;
 import xyz.valnet.hadean.interfaces.IBottomBarItem;
 import xyz.valnet.hadean.util.Layers;
 
-public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransient {
+public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransient, IModalUI {
 
   private BottomBar bottombar;
 
@@ -49,7 +50,7 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
   }
 
   protected final int animate(float a, float b) {
-    return (int)Math.round(lerp(a, b, animation));
+    return (int) Math.round(lerp(a, b, animation));
   }
 
   @Override
@@ -58,6 +59,7 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
     else open();
   }
 
+  @Override
   public final void open() {
     if(opened) return;
     opened = true;
@@ -65,6 +67,7 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
     onOpen();
   }
 
+  @Override
   public final void close() {
     if(!opened) return;
     opened = false;
@@ -72,10 +75,6 @@ public abstract class Tab extends ImmediateUI implements IBottomBarItem, ITransi
     onClose();
   }
 
-  public void back() {
-    close();
-  }
-
   protected abstract void onClose();
   protected abstract void onOpen();
 }