#pragma once

//Renderer - a class encapsulating all neccessary graphics functions,
// such as drawing balls, holes, menus, waves and blitting the rendered
// graphics to the screen. 
// There is one global Renderer instance, to which many other classes posess 
// pointers
/*	Quantum Minigolf, a computer game illustrating quantum mechanics
	Copyright (C) 2007 Friedemann Reinhard <friedemann.reinhard@gmail.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


#include <math.h>
#include <stdlib.h>
#include <string>
#include <SDL.h>
#include <SDL_ttf.h>
#include <fftw3.h>

using namespace std;

#include "quantumminigolf.h"

class Renderer
{
public:
	Renderer(int width, int height, int flag, int holex, int holey, int holer, int rball);
	~Renderer(void);

	void RenderTrack(void);
	void RenderHole(float x, float y, float r);
	void RenderWave(fftwf_complex *psi);
	void RenderBall(float posx, float posy);
	void RenderRacket(float l, float r, int ix, int iy, float rphi);
	void RenderFlash(void); // show a white surface
	void RenderExtro(int result, int ypos); // show the "You win" / "You lose"
	void RenderMenu(bool quantum);

	void Lock(void);
	void Unlock(void);
	void Blit(void);

	void SaveFrame(const char *fname);

	void ToggleCmap(){cmap = ((cmap == cmapm) ? cmapc : cmapm);}

	SDL_Surface *screen, *V;
	int width; int height;

private:
	SDL_Surface *bBuffer; // the back buffer 
	SDL_Surface *wave; // the wave
	SDL_Surface *cmapm, *cmapc, *cmap; // monochrome, colored and a pointer to the actual color map
	SDL_Surface *win; SDL_Surface *lose; 
	SDL_Rect rBuffer;

	// fonts for the menu
	TTF_Font *fntsml; 
	TTF_Font *fntbg;

	int holex, holey, holer; // position and radius of the hole
	int rball; // radius of the ball
};