Finishing map-graphics

src/main/java/se/urmo/game/map/MapTile.java

@@ -1,19 +1,38 @@
 package se.urmo.game.map;
 
-import se.urmo.game.util.MiscUtil;
-
-import java.awt.*;
 import java.awt.image.BufferedImage;
 
 public class MapTile {
     private final int value;
     private final BufferedImage image;
     private final boolean solid;
+    private final boolean[][] collisionMask;
 
-    public MapTile(int value) {
+    public MapTile(BufferedImage image, int value) {
         this.value = value;
-        this.image = value != 0 ? MiscUtil.createOutlinedBox(16, 16, Color.blue, 2) : null;
+        this.image = image;
+//        this.image = value != 0 ? MiscUtil.createOutlinedBox(16, 16, Color.blue, 2) : null;
+
         this.solid = value != 0;
+        this.collisionMask = createCollisionMask(image);
+    }
+
+    public boolean[][] getCollisionMask() {
+        return collisionMask;
+    }
+
+    private boolean[][] createCollisionMask(BufferedImage img) {
+        if(img == null) return null;
+        int w = img.getWidth();
+        int h = img.getHeight();
+        boolean[][] mask = new boolean[h][w];
+        for (int y = 0; y < h; y++) {
+            for (int x = 0; x < w; x++) {
+                int alpha = (img.getRGB(x, y) >> 24) & 0xff;
+                mask[y][x] = alpha > 0; // solid if any pixel is visible
+            }
+        }
+        return mask;
     }
 
     public BufferedImage getImage() {