/*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
**]  All rights reserved.
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
*****************************************************************************/

#ifndef _HUD_HH_
#define _HUD_HH_

#include <moof/drawable.hh>
#include <moof/math.hh>
//#include <moof/rectangle.hh>
#include <moof/sprite.hh>

#include "GameState.hh"


/**
 * \file Hud.hh
 * Heads-up Display
 */


// forward declarations
class rectangle;

// TODO this stuff is still just hacked up

class ProgressBar : public moof::drawable
{
public:

	ProgressBar(const moof::sprite& tilemap, int index);

	void resize(const moof::rectangle& rect);

	void setProgress(moof::scalar progress);

	void draw(moof::scalar alpha = 0.0) const;

private:

	moof::scalar	mProgress;

	moof::vector2	mVertices[8];
	moof::scalar	mWidth;

	moof::sprite	mTilemap;
	moof::scalar	mTexCoords[8];
	moof::scalar	mMidCoords[2];
};


class Hud;
typedef boost::shared_ptr<Hud> HudP;

class Hud
{
public:

	static HudP alloc(GameState& state)
	{
		return HudP(new Hud(state));
	}
	Hud(GameState& state);


	void setBar1Progress(moof::scalar progress)
	{
		// pass through
		mBar1.setProgress(progress);
	}

	void setBar2Progress(moof::scalar progress)
	{
		// pass through
		mBar2.setProgress(progress);
	}

	void setNumber(unsigned value);

	void resize(int width, int height);

	void update(moof::scalar t, moof::scalar dt);
	void draw(moof::scalar alpha = 0.0) const;
	bool handle_event(const moof::event& event);

private:

	GameState&	state_;

	ProgressBar	mBar1;
	ProgressBar	mBar2;

	unsigned	mNumber;
	moof::sprite	mFont;

	moof::matrix4	mProjection;
};


#endif // _HUD_HH_