Add simple mouseclick listener to scenes

1 files changed, 32 insertions, 7 deletions

diff --git a/src/main/java/WorldScene.java b/src/main/java/WorldScene.java
index 2145234..829afbb 100644
--- a/src/main/java/WorldScene.java
+++ b/src/main/java/WorldScene.java
@@ -25,6 +25,13 @@ public class WorldScene extends Scene {
         this.actors.add(player);
     }
 
+    private Composite makeAlpha(Graphics2D g2d, float alpha) {
+        Composite originalComposite = g2d.getComposite();
+        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
+
+        return originalComposite;
+    }
+
     @Override
     public void render(Graphics g) {
         Graphics2D g2d = (Graphics2D) g;
@@ -46,12 +53,19 @@ public class WorldScene extends Scene {
                 this.tileSize, this.tileSize
             );
 
-            // draw grid
-            // composite (enable alpha)
-            Composite originalComposite = g2d.getComposite();
-            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f));
+            Composite originalComposite  = makeAlpha(g2d, .5f);
+
+            if (tile.selected) {
+                g2d.setColor(Palette.RED);
+                g2d.fillRect(
+                    this.tileSize * tile.x,
+                    this.tileSize * tile.y,
+                    this.tileSize, this.tileSize
+                );
+            }
 
-            g2d.setPaint(Color.BLACK);
+            // draw grid (with composite)
+            g2d.setPaint(Palette.BLACK);
             g2d.drawRect(
                 this.tileSize * tile.x,
                 this.tileSize * tile.y,
@@ -71,12 +85,23 @@ public class WorldScene extends Scene {
                     g2d.setColor(Palette.RED);
                     break;
             }
-            int gap = this.tileSize/10;
+            int gap = this.tileSize / 10;
             g2d.fillRect(
                 (this.tileSize * actor.x) + gap,
                 (this.tileSize * actor.y) + gap,
-                this.tileSize - gap*2, this.tileSize - gap*2
+                this.tileSize - gap * 2, this.tileSize - gap * 2
             );
         }
     }
+
+    @Override
+    public void mouseClicked(int x, int y) {
+        Tile tile = map.getTile(
+                (int) (x/(double)this.tileSize) + sceneXOffset, 
+                (int) (y/(double)this.tileSize) + sceneYOffset 
+        );
+
+        // TODO find clicked actor
+        tile.selected = !tile.selected;
+    }
 }