namespace Game {
	class Stage {
		const int UNIT_H = 101;
		const int UNIT_V = 82;
		private Clutter.Stage _clStage;

		public Stage () {
			_clStage = Clutter.Stage.get_default ();
			AddTree (5,3);

			_clStage.color = Clutter.Color () { alpha = 255 };
			_clStage.show_all ();
		}

		public void AddDrawable (Drawable drawable) {
			_clStage.add_actor (drawable);
		}

		public void AddTree (int x, int y) {
			AddDrawable (new Tree (x*UNIT_H, y*UNIT_V+UNIT_V/2));
		}
	}


	class Drawable : Clutter.Actor {
		private Cairo.ImageSurface _surface;

		public Drawable (float x, float y, float width, float height, string filepath) {
			this.x = x;
			this.y = y;
			this.width = width;
			this.height = height;

			var canvas = new Clutter.Canvas ();
			set_content (canvas);
			canvas.set_size ((int)width, (int)height);
			canvas.draw.connect (drawme);

			_surface = new Cairo.ImageSurface.from_png (filepath);
			canvas.invalidate ();
		}
		
		private bool drawme (Cairo.Context ctx, int w, int h) {
			ctx.set_source_surface (_surface, 0, 0);
			ctx.paint ();
			return true;
		}
	}

	class GameObject : Drawable {
		const int IMG_WIDTH = 101;
		const int IMG_HEIGHT = 171;

		public GameObject (float x, float y, string filepath) {
			base (x, y, IMG_WIDTH, IMG_HEIGHT, filepath);
		}
	}
	
	class Tree : GameObject {
		const string IMG_PATH = "imgs/Tree Tall.png";
		public Tree (float x, float y) {
			base (x, y, IMG_PATH);
		}
	}
	
	void main (string[] args) {
		stdout.printf ("HELLO");
	}
}