Added basic card hover listener

mmo-client/src/core/ui/deck/CardHoverListener.java

@@ -0,0 +1,45 @@
+package core.ui.deck;
+
+import com.jme3.scene.Spatial;
+import com.simsilica.lemur.event.CursorButtonEvent;
+import com.simsilica.lemur.event.CursorListener;
+import com.simsilica.lemur.event.CursorMotionEvent;
+
+/**
+ * @author doc
+ */
+public class CardHoverListener implements CursorListener {
+	private DeckElement deckElement;
+	private boolean isHovered = false;
+
+	public CardHoverListener(DeckElement deckElement) {
+		this.deckElement = deckElement;
+	}
+
+	@Override
+	public void cursorButtonEvent(CursorButtonEvent cursorButtonEvent, Spatial target, Spatial capture) {
+	}
+
+	@Override
+	public void cursorEntered(CursorMotionEvent cursorMotionEvent, Spatial target, Spatial capture) {
+		cursorMotionEvent.setConsumed();
+
+		isHovered = true;
+	}
+
+	@Override
+	public void cursorExited(CursorMotionEvent cursorMotionEvent, Spatial target, Spatial capture) {
+		cursorMotionEvent.setConsumed();
+
+		isHovered = false;
+	}
+
+	@Override
+	public void cursorMoved(CursorMotionEvent cursorMotionEvent, Spatial target, Spatial capture) {
+
+	}
+
+	public boolean isHovered() {
+		return isHovered;
+	}
+}

mmo-client/src/core/ui/deck/DeckControl.java

@@ -10,6 +10,7 @@
 import com.jme3.scene.Spatial;
 import com.jme3.scene.control.AbstractControl;
 import com.jme3.scene.control.CameraControl;
+import com.simsilica.lemur.event.CursorEventControl;
 import shared.items.Item;
 
 import java.util.ArrayList;
@@ -24,6 +25,8 @@ public class DeckControl extends AbstractControl {
 	private List<DeckElement> deckCards = new ArrayList<DeckElement>();
 	private List<DeckElement> freeCards = new ArrayList<DeckElement>();
 
+	private boolean hoverEnabled = false;
+
 	private ControlPoint[] innerCurve = new ControlPoint[]{
 			new ControlPoint(new Vector3f(1.2f, 0, 2f), FastMath.PI),
 			new ControlPoint(new Vector3f(0.75f, 0, 1.5f), 0f),
@@ -100,6 +103,15 @@ public void spin(float value) {
 			card.setProgressTarget(card.getProgressTarget() + value);
 	}
 
+	public void enableElementHover(){
+		hoverEnabled = true;
+
+		for (DeckElement element: freeCards) {
+			element.registerHoverListener();
+		}
+	}
+
+
 	@Override
 	protected void controlUpdate(float tpf) {
 		int index = 0;
@@ -150,6 +162,9 @@ protected void controlUpdate(float tpf) {
 					addedCard.setProgressTarget(lastFreeCard.getProgressTarget() - space);
 
 					freeCards.add(addedCard);
+
+					if (hoverEnabled)
+						addedCard.registerHoverListener();
 				} else {
 					break;
 				}
@@ -160,6 +175,9 @@ protected void controlUpdate(float tpf) {
 			freeCards.remove(card);
 			deckCards.add(card);
 
+			if (hoverEnabled)
+				card.removeHoverListener();
+
 			card.setProgressCurrent(0.0f);
 			card.setProgressTarget(0.0f);
 		}
@@ -168,6 +186,9 @@ protected void controlUpdate(float tpf) {
 			freeCards.remove(card);
 			deckCards.add(0, card);
 
+			if (hoverEnabled)
+				card.removeHoverListener();
+
 			card.setProgressCurrent(0.0f);
 			card.setProgressTarget(0.0f);
 		}

mmo-client/src/core/ui/deck/DeckElement.java

@@ -2,6 +2,7 @@
 
 import com.jme3.math.FastMath;
 import com.jme3.scene.Spatial;
+import com.simsilica.lemur.event.CursorEventControl;
 
 /**
 * @author doc
@@ -11,8 +12,11 @@ public class DeckElement {
 	private float progressCurrent;
 	private float progressTarget;
 	private float floatingStep;
+	private float hoverStep;
 	private int floatDirection = 1;
 
+	private CardHoverListener hoverListener;
+
 	public DeckElement(Spatial model) {
 		this.model = model;
 		floatingStep = FastMath.nextRandomFloat() * 2f - 1f;
@@ -42,6 +46,18 @@ public float getFloatingStep() {
 		return floatingStep;
 	}
 
+	public void registerHoverListener(){
+		hoverListener = new CardHoverListener(this);
+
+		CursorEventControl.addListenersToSpatial(model, hoverListener);
+	}
+
+	public void removeHoverListener(){
+		CursorEventControl.removeListenersFromSpatial(model, hoverListener);
+
+		hoverListener = null;
+	}
+
 	/**
 	 *
 	 * @return sign Movement direction
@@ -63,6 +79,11 @@ public float updateMovement(float speed){
 			floatDirection *= -1;
 		}
 
+		if (hoverListener != null) {
+			int direction = hoverListener.isHovered() ? 1 : -1;
+			hoverStep = FastMath.clamp(hoverStep + direction * speed, -1, 1);
+		}
+
 		return sign;
 	}
 }

mmo-client/src/program/main/Cheats.java

@@ -69,6 +69,7 @@ public void onAction(String name, boolean isPressed, float tpf) {
 				Node root = program.getMainFrame().getRootNode();
 				deckControl = new DeckControl(program.getMainFrame());
 				deckControl.setDeck(deck);
+				deckControl.enableElementHover();
 				root.addControl(deckControl);
 			}
 		}, "card_control");