Connect ActorInfo to mouse events to show info of actor under cursor

5 files changed, 78 insertions, 12 deletions

diff --git a/src/subconscious/Actor.java b/src/subconscious/Actor.java
index 38e83ff..1c1f3ad 100644
--- a/src/subconscious/Actor.java
+++ b/src/subconscious/Actor.java
@@ -1,5 +1,8 @@
 package subconscious;
 
+import java.awt.Point;
+
+
 public class Actor {
 	private final String name;
 
@@ -39,6 +42,7 @@ public class Actor {
 
 	public String getName() { return this.name; }
 
+	public Point getPoint() { return new Point(this.x, this.y); }
 	public int getX() { return this.x; }
 	public int getY() { return this.y; }
 
diff --git a/src/subconscious/graphics/MapScene.java b/src/subconscious/graphics/MapScene.java
index 0fd2701..a198542 100644
--- a/src/subconscious/graphics/MapScene.java
+++ b/src/subconscious/graphics/MapScene.java
@@ -7,6 +7,7 @@ import subconscious.Actor;
 
 import java.awt.Canvas;
 import java.awt.Point;
+import java.awt.Rectangle;
 import java.awt.Graphics2D;
 import java.awt.BasicStroke;
 import java.awt.Dimension;
@@ -48,9 +49,11 @@ public abstract class MapScene extends Scene {
 	protected Point mouse = new Point(0, 0);
 
 	// used for zooming
+	protected double zoom = 1;
+
+	// flags to indicate if zoom or pan tx need to be updated
 	protected boolean zooming = false;
 	protected boolean panning = false;
-	protected double zoom = 1;
 
 
 	public MapScene(Game g, String uniqueName) {
@@ -64,6 +67,28 @@ public abstract class MapScene extends Scene {
 
 		this.updateCanvasSize(this.canvasSize);
 	}
+
+	/* get the coordinates of the tile on the screen at position screenPos
+	 * if there is not tile under screenPos the return value is null
+	 */
+	public Point tileAtCoordinates(Point screenPos) {
+		Rectangle mapRect = new Rectangle(0, 0, this.map.getSize(), this.map.getSize());
+
+		// undo zoom
+		undoZoomTx.transform(screenPos, screenPos);
+
+		// undo translate
+		undoPanTx.transform(screenPos, screenPos);
+
+		screenPos.x /= this.tileSize;
+		screenPos.y /= this.tileSize;
+
+		if (!mapRect.contains(screenPos)) {
+			return null;
+		}
+
+		return screenPos;
+	}
 	
 	protected void renderTiles(Graphics2D g) {
 		for (Tile tile : this.game.getMap().getGrid()) {
@@ -202,9 +227,11 @@ public abstract class MapScene extends Scene {
 
 		// update pan transform
 		if (this.panning) {
-			this.applyPanTx.translate(this.pan.x/this.zoom, this.pan.y/this.zoom);
+			this.applyPanTx.translate(this.pan.x, this.pan.y);
 			this.panning = false;
 			this.pan.move(0, 0);
+
+			this.panning = false;
 		}
 
 		// update inverese transform
@@ -214,6 +241,7 @@ public abstract class MapScene extends Scene {
 		} catch (NoninvertibleTransformException ex) {
 			ex.printStackTrace();
 		}
+
 		
 		// draw
 		g.transform(this.applyZoomTx);
@@ -278,12 +306,15 @@ public abstract class MapScene extends Scene {
 	public void mouseDragged(MouseEvent e) {
 		super.mouseDragged(e);
 
+		// move the pan point by dx, dy (scaled with zoom)
 		this.pan.translate(
-			e.getX() - this.mouse.x,
-			e.getY() - this.mouse.y
+			(int) ((e.getX() - this.mouse.x)/this.zoom),
+			(int) ((e.getY() - this.mouse.y)/this.zoom)
 		);
 
+		// update mouse if zoom happens while panning
 		this.mouse.move(e.getX(), e.getY());
+
 		this.panning = true;
 	}
 
@@ -296,6 +327,7 @@ public abstract class MapScene extends Scene {
 		if (this.zoom > 0.3 || e.getWheelRotation() < 0) {
 			this.zoom -= ((double) e.getWheelRotation())/5;
 		}
+
 		this.zooming = true;
 	}
 }
diff --git a/src/subconscious/graphics/Scene.java b/src/subconscious/graphics/Scene.java
index 1956c27..132704e 100644
--- a/src/subconscious/graphics/Scene.java
+++ b/src/subconscious/graphics/Scene.java
@@ -318,7 +318,6 @@ public abstract class Scene extends Panel
 	/* mouse listener */
 	@Override
 	public void mouseClicked(MouseEvent e) {
-		// could be cached
 		for (Widget w : this.clickableWidgetsCache) {
 			((Clickable) w).mouseClick(e.getPoint());
 		}
diff --git a/src/subconscious/graphics/WorldScene.java b/src/subconscious/graphics/WorldScene.java
index 4a375fa..d2ea1db 100644
--- a/src/subconscious/graphics/WorldScene.java
+++ b/src/subconscious/graphics/WorldScene.java
@@ -1,26 +1,29 @@
 package subconscious.graphics;
 
 import subconscious.Game;
+import subconscious.Actor;
 
 import subconscious.graphics.widget.ActorInfo;
 
 import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.event.MouseEvent;
 
 
 @SuppressWarnings("serial")
 public class WorldScene extends MapScene {
 
+	protected ActorInfo actorInfoWidget;
+
+
 	public WorldScene(Game game, String label) {
 		super(game, label);
 	}
 
 	@Override
 	public void build() {
-		this.addWidget(
-			new ActorInfo(
-				"actorinfo", 0, 0
-			)
-		);
+		this.actorInfoWidget = new ActorInfo("actorinfo", 0, 0);
+		this.addWidget(this.actorInfoWidget);
 	}
 
 	@Override
@@ -32,4 +35,27 @@ public class WorldScene extends MapScene {
 	public void update(long deltaNanoTime) {
 		
 	}
+
+	@Override
+	public void mouseMoved(MouseEvent e) {
+		super.mouseMoved(e);
+
+		Point tileUnderCursor = this.tileAtCoordinates(e.getPoint());
+		if (tileUnderCursor == null) {
+			return;
+		}
+
+		// System.out.println(this.map.getTile(tileUnderCursor.x, tileUnderCursor.y).type);
+
+		// update ActorInfo widget
+		this.actorInfoWidget.unsetActor();
+		for (Actor actor : this.map.getActors()) {
+			if (actor.getPoint().equals(tileUnderCursor)) {
+				this.actorInfoWidget.setActor(actor);
+				break;
+			}
+		}
+
+		// update tileType widget
+	}
 }
\ No newline at end of file
diff --git a/src/subconscious/graphics/widget/ActorInfo.java b/src/subconscious/graphics/widget/ActorInfo.java
index a43984b..a2b25ad 100644
--- a/src/subconscious/graphics/widget/ActorInfo.java
+++ b/src/subconscious/graphics/widget/ActorInfo.java
@@ -14,7 +14,7 @@ public class ActorInfo extends Widget {
 	public static final int BORDER = 10;
 	public static final int TEXT_LINES_SPACING = 5;
 	public static final int WIDTH = 250;
-	public static final int HEIGHT = 300;
+	public static final int HEIGHT = 100;
 
 	protected Actor observingActor = null;
 
@@ -48,7 +48,8 @@ public class ActorInfo extends Widget {
 		}
 
 		// draw HP
-		drawLineString(g, "HP", BORDER, postTitleY, 0);
+		drawLineString(g, "Name : " + observingActor.getName(), BORDER, postTitleY, 0);
+		drawLineString(g, "HP   : " + Integer.toString(observingActor.getHP()), BORDER, postTitleY, 1);
 
 		// TODO: show actor properties
 	}
@@ -57,6 +58,10 @@ public class ActorInfo extends Widget {
 		this.observingActor = actor;
 	}
 
+	public void unsetActor() {
+		this.observingActor = null;
+	}
+
 
 	private void drawLineString(Graphics2D g, String text, int x, int y, int line) {
 		g.drawString(text, x,