Hud: extract hud/Button, Button instances go public

1 files changed, 102 insertions, 0 deletions

diff --git a/core/src/ch/asynk/tankontank/game/hud/Button.java b/core/src/ch/asynk/tankontank/game/hud/Button.java
new file mode 100644
index 0000000..b42a9cf
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/hud/Button.java
@@ -0,0 +1,102 @@
+package ch.asynk.tankontank.game.hud;
+
+import com.badlogic.gdx.Gdx;
+
+import com.badlogic.gdx.utils.Disposable;
+
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.math.Rectangle;
+
+import ch.asynk.tankontank.engine.gfx.Image;
+
+public class Button implements Disposable
+{
+
+    public int idx;
+    public boolean visible;
+    private Image images [];
+    private Image image;
+    private Rectangle rect;
+
+    private static final int OFF = 0;
+    private static final int ON = 1;
+    private static final int DOWN = 2;
+
+    public Button(TextureAtlas atlas, String base)
+    {
+        this.idx = OFF;
+        this.visible = false;
+        this.images = new Image[3];
+        this.images[OFF] = new Image(atlas.findRegion(base + "-off"));
+        this.images[ON] = new Image(atlas.findRegion(base + "-on"));
+        this.images[DOWN] = new Image(atlas.findRegion(base + "-down"));
+
+        this.rect = new Rectangle(getX(), getY(), getWidth(), getHeight());
+    }
+
+    @Override
+    public void dispose()
+    {
+        for (Image image : images)
+            image.dispose();
+    }
+
+    public void hide()
+    {
+        idx = OFF;
+        visible = false;
+    }
+
+    public void setOff()
+    {
+        idx = OFF;
+    }
+
+    public void setOn()
+    {
+        idx = ON;
+    }
+
+    public void setDown()
+    {
+        idx = DOWN;
+    }
+
+    public boolean isOn()
+    {
+        return (idx == ON);
+    }
+
+    public boolean isOff()
+    {
+        return (idx == OFF);
+    }
+
+    public boolean isDisabled()
+    {
+        return (idx == DOWN);
+    }
+
+    public Image getImage()
+    {
+        return images[idx];
+    }
+
+    public void setPosition(float x, float y)
+    {
+        for (Image image : images)
+            image.setPosition(x, y);
+        rect.set(x, y, getWidth(), getHeight());
+    }
+
+    public boolean hit(float x, float y)
+    {
+        if (!visible) return false;
+        return rect.contains(x,y);
+    }
+
+    public float getX() { return images[0].getX(); }
+    public float getY() { return images[0].getY(); }
+    public float getWidth() { return images[0].getWidth(); }
+    public float getHeight() { return images[0].getHeight(); }
+}