good except 1 mysterious NPE in SimplePainter on poll.

src/mightypork/gamecore/control/BaseApp.java

@@ -11,6 +11,7 @@ import mightypork.gamecore.audio.SoundSystem;
 import mightypork.gamecore.control.bus.EventBus;
 import mightypork.gamecore.control.bus.events.*;
 import mightypork.gamecore.control.interf.Destroyable;
+import mightypork.gamecore.control.timing.Pollable;
 import mightypork.gamecore.control.timing.Updateable;
 import mightypork.gamecore.gui.screens.ScreenRegistry;
 import mightypork.gamecore.input.InputSystem;
@@ -255,6 +256,7 @@ public abstract class BaseApp implements AppAccess, UncaughtExceptionHandler {
 		// framework events
 		bus.addChannel(DestroyEvent.class, Destroyable.class);
 		bus.addChannel(UpdateEvent.class, Updateable.class);
+		bus.addChannel(LayoutChangeEvent.class, Pollable.class);
 		
 		// input events
 		bus.addChannel(ScreenChangeEvent.class, ScreenChangeEvent.Listener.class);

src/mightypork/gamecore/gui/components/SimplePainter.java

@@ -1,9 +1,12 @@
 package mightypork.gamecore.gui.components;
 
 
+import mightypork.utils.annotations.DefaultImpl;
 import mightypork.utils.math.constraints.rect.Rect;
+import mightypork.utils.math.constraints.rect.RectAdapter;
 import mightypork.utils.math.constraints.rect.RectBound;
 import mightypork.utils.math.constraints.rect.RectBoundAdapter;
+import mightypork.utils.math.constraints.rect.RectCache;
 
 
 /**
@@ -11,10 +14,9 @@ import mightypork.utils.math.constraints.rect.RectBoundAdapter;
  * 
  * @author MightyPork
  */
-public abstract class SimplePainter extends RectBoundAdapter implements PluggableRenderable {
+public abstract class SimplePainter extends RectAdapter implements PluggableRenderable {
 	
-	@Override
-	public abstract void render();
+	private RectCache source;
 	
 	
 	@Override
@@ -27,6 +29,41 @@ public abstract class SimplePainter extends RectBoundAdapter implements Pluggabl
 	@Override
 	public void setRect(RectBound rect)
 	{
-		super.setRect(rect);
+		System.out.println("SP set rect");
+		this.source = new RectBoundAdapter(rect).cached();
+	}
+	
+	
+	@Override
+	protected Rect getSource()
+	{
+		return source;
+	}
+	
+	
+	/**
+	 * Poll bounds
+	 */
+	@Override
+	public final void poll()
+	{
+		System.out.println("SP poll, source: "+source);
+		source.poll();
+		super.poll();
+		
+		onPoll();
+	}
+	
+	
+	@Override
+	public abstract void render();
+	
+	
+	/**
+	 * Called after painter was polled; contained constraints can now poll too.
+	 */
+	@DefaultImpl
+	public void onPoll()
+	{
 	}
 }

src/mightypork/gamecore/gui/components/painters/TextPainter.java

@@ -141,5 +141,4 @@ public class TextPainter extends SimplePainter {
 	{
 		this.text = text;
 	}
-	
 }

src/mightypork/gamecore/gui/screens/Screen.java

@@ -3,6 +3,7 @@ package mightypork.gamecore.gui.screens;
 
 import mightypork.gamecore.control.AppAccess;
 import mightypork.gamecore.control.AppSubModule;
+import mightypork.gamecore.control.bus.events.LayoutChangeEvent;
 import mightypork.gamecore.control.bus.events.ScreenChangeEvent;
 import mightypork.gamecore.gui.components.Renderable;
 import mightypork.gamecore.input.KeyBinder;
@@ -99,6 +100,9 @@ public abstract class Screen extends AppSubModule implements Renderable, KeyBind
 		
 		onSizeChanged(event.getScreenSize());
 		
+		// poll constraints
+		getEventBus().sendDirectToChildren(this, new LayoutChangeEvent());
+		
 		needSetupViewport = true;
 	}
 	

src/mightypork/rogue/App.java

@@ -100,7 +100,7 @@ public class App extends BaseApp {
 	{
 		bus.addChannel(ActionRequest.class, ActionRequest.Listener.class);
 		
-		//bus.detailedLogging = true;
+		bus.detailedLogging = true;
 	}
 	
 	

src/mightypork/rogue/screens/test_bouncyboxes/BouncyBox.java

@@ -3,7 +3,6 @@ package mightypork.rogue.screens.test_bouncyboxes;
 
 import java.util.Random;
 
-import mightypork.gamecore.control.bus.events.ScreenChangeEvent;
 import mightypork.gamecore.control.timing.Updateable;
 import mightypork.gamecore.gui.components.SimplePainter;
 import mightypork.gamecore.render.Render;
@@ -12,13 +11,14 @@ import mightypork.utils.math.color.RGB;
 import mightypork.utils.math.constraints.num.Num;
 import mightypork.utils.math.constraints.num.NumAnimated;
 import mightypork.utils.math.constraints.rect.Rect;
+import mightypork.utils.math.constraints.rect.RectCache;
 
 
-public class BouncyBox extends SimplePainter implements Updateable, ScreenChangeEvent.Listener {
+public class BouncyBox extends SimplePainter implements Updateable {
 	
 	private final Random rand = new Random();
 	
-	private final Rect box;
+	private final RectCache box;
 	
 	private final NumAnimated pos = new NumAnimated(0, Easing.BOUNCE_OUT);
 	
@@ -30,8 +30,7 @@ public class BouncyBox extends SimplePainter implements Updateable, ScreenChange
 		abox = abox.move(width().sub(height()).mul(pos), Num.ZERO);
 		abox = abox.shrink(height().perc(10));
 		
-		box = abox;
-		box.enableDigestCaching(true);
+		box = abox.cached();
 	}
 	
 	
@@ -65,7 +64,7 @@ public class BouncyBox extends SimplePainter implements Updateable, ScreenChange
 	
 	
 	@Override
-	public void receive(ScreenChangeEvent event)
+	public void onPoll()
 	{
 		box.poll();
 	}

src/mightypork/test/TestConstCaching.java

@@ -1,38 +1,40 @@
 package mightypork.test;
 
+
 import mightypork.utils.math.constraints.vect.Vect;
 import mightypork.utils.math.constraints.vect.VectCache;
 import mightypork.utils.math.constraints.vect.VectVar;
 
 
 public class TestConstCaching {
+	
 	public static void main(String[] args)
 	{
-		VectVar in = Vect.makeVar(0, 0);
-		VectCache cache = in.cached();
+		final VectVar in = Vect.makeVar(0, 0);
+		final VectCache cache = in.cached();
 		cache.enableDigestCaching(true);
 		
-		System.out.println("in = "+in);
-		System.out.println("cache = "+cache);
+		System.out.println("in = " + in);
+		System.out.println("cache = " + cache);
 		System.out.println("cache digest = " + cache.digest());
 		System.out.println("\n-- in := 100, 50, 25 --\n");
-		in.setTo(100,50,25);
-		System.out.println("in = "+in);
-		System.out.println("cache = "+cache);
+		in.setTo(100, 50, 25);
+		System.out.println("in = " + in);
+		System.out.println("cache = " + cache);
 		System.out.println("cache digest = " + cache.digest());
 		System.out.println("\n-- cache.poll() --\n");
 		cache.poll();
-		System.out.println("in = "+in);
-		System.out.println("cache = "+cache);
+		System.out.println("in = " + in);
+		System.out.println("cache = " + cache);
 		System.out.println("cache digest = " + cache.digest());
 		System.out.println("\n-- in := 1, 2, 3 --\n");
-		in.setTo(1,2,3);
-		System.out.println("in = "+in);
-		System.out.println("cache = "+cache);
+		in.setTo(1, 2, 3);
+		System.out.println("in = " + in);
+		System.out.println("cache = " + cache);
 		System.out.println("cache digest = " + cache.digest());
 		System.out.println("\n-- cache.poll() --\n");
 		cache.poll();
-		System.out.println("cache = "+cache);
+		System.out.println("cache = " + cache);
 		System.out.println("cache digest = " + cache.digest());
 		
 	}

src/mightypork/utils/math/constraints/num/NumCache.java

@@ -1,6 +1,17 @@
 package mightypork.utils.math.constraints.num;
 
 
+/**
+ * <p>
+ * A num cache.
+ * </p>
+ * <p>
+ * Values are held in a caching VectVar, and digest caching is enabled by
+ * default.
+ * </p>
+ * 
+ * @author MightyPork
+ */
 public class NumCache extends NumAdapter {
 	
 	private final NumVar cache = Num.makeVar();
@@ -10,6 +21,7 @@ public class NumCache extends NumAdapter {
 	
 	public NumCache(Num source) {
 		this.source = source;
+		enableDigestCaching(true);
 	}
 	
 	

src/mightypork/utils/math/constraints/rect/RectCache.java

@@ -1,6 +1,17 @@
 package mightypork.utils.math.constraints.rect;
 
 
+/**
+ * <p>
+ * A rect cache.
+ * </p>
+ * <p>
+ * Values are held in a caching VectVar, and digest caching is enabled by
+ * default.
+ * </p>
+ * 
+ * @author MightyPork
+ */
 public class RectCache extends RectAdapter {
 	
 	private final RectVar cache = Rect.makeVar();
@@ -10,6 +21,7 @@ public class RectCache extends RectAdapter {
 	
 	public RectCache(Rect source) {
 		this.source = source;
+		enableDigestCaching(true);
 	}
 	
 	

src/mightypork/utils/math/constraints/vect/VectCache.java

@@ -1,6 +1,17 @@
 package mightypork.utils.math.constraints.vect;
 
 
+/**
+ * <p>
+ * A vect cache.
+ * </p>
+ * <p>
+ * Values are held in a caching VectVar, and digest caching is enabled by
+ * default.
+ * </p>
+ * 
+ * @author MightyPork
+ */
 public class VectCache extends VectAdapter {
 	
 	private final VectVar cache = Vect.makeVar();
@@ -10,6 +21,7 @@ public class VectCache extends VectAdapter {
 	
 	public VectCache(Vect source) {
 		this.source = source;
+		enableDigestCaching(true);
 	}