//////////////////////////////////////////////////////////////////////
// Naprogramoval: Marek Mizanin, mizanin@szm.sk, mizanin@stonline.sk
//                www.mizanin.szm.sk, ICQ: 158283635
//
//
//////////////////////////////////////////////////////////////////////
//	Pouzivane klavesy:
//	
//	H - help
//
//////////////////////////////////////////////////////////////////////
//
// scene.h: interface for the scene class.
//
//////////////////////////////////////////////////////////////////////

#ifndef _SCENE_H
#define _SCENE_H

#include "init.h"				// zakladne nastavenia a zakladne hlavickove subory
								// vazby na init.cpp

#include <stdlib.h>				// standardna kniznica
#include <stdarg.h>				// --
#include "Timer.h"				// trieda Timer pre pracu z casovacom
#include "bitmap_Font.h"		// trieda pre vypisovanie textu pomocou bitmapoveho fontu
#include "camera.h"				// trieda pre transformacie

#include "Util.h"
#include "Matrix.h"
//#include "3ds.h"
//#include "ase.h"
#include "texture.h"
//#include "Sphere.h"
#include "Particle_system.h"
#include <vector>
using namespace std;


struct z_face{	vec	a,b,c,normal;};		// for Collision Detection

class scene
{
	Font	*font0;
	Timer	timer0;
	camera	*c;
//	C3ds	*model;
//	C3ds *obj;
	Particle_system par;
	texture t_par;

	float	timeframe;
	float	clip_distance;				// orezavacia vzdialenost
	bool	kurzor;
	int		filterForTexture;

	uFPS_counter fps_counter;
	
	vector<z_face> collision;
private:
	char	text[100];					// text pre konverziu z float na text
	
	POINT MouseBod;
	int mouse_x,mouse_y;
	static int sirka,vyska;
public:
	int LoadVertexShader( char* filename, unsigned int* phVertexShader, char* verprog=NULL);
	int CheckCollisionGround( vec center, float radius, float angle, float mindist);
	vec CheckCollision( vec vp, vec vpold, float radius);
	void CubeMapEnd();
	void CubeMapBegin();
	void BuildDisplayLists();
	int GetVariable(char *temp, FILE *sub, char* varname, char* varvalue, int size_strings);
	int ReadInit(char* filename);
	int LoadTextureSkyBox( char *directory, char *extension, texture* tex, int repeat=0, int filter=3, int compression=0 );
	static void DrawQuad( vec p, vec n, vec s, vec t);
	void DrawSkyBox( texture *tex, float size=10);
	void SaveScreen_BMP(int x0=0, int y0=0, int scr_size_x=sirka, int scr_size_y=vyska);
	void Print_vec(int stlpec, int riadok, const vec &a, char* meno=NULL);
	void Print_mat4(int stlpec, int riadok, const mat4 &m, char* nadpis=NULL);
	void Print_int(int stlpec, int riadok, int a, char* meno=NULL);
	void Print_float(int stlpec, int riadok, float a, char* meno=NULL);
	void Paint_axes( float size=2, float r=1, float g=0, float b=0);
	void Paint_vector( const vec &v, float size=1, float r=1, float g=0, float b=0);
	void Paint_point( const vec &v, float size=1, float r=1, float g=1, float b=1);
	void ReSizeGLScene( int width=screen_x, int height=screen_y);
	void ReSizeGLScene_2D(int width, int height);	// funkcia pro zmenu velkosti okna
	void ReSizeGLScene_3D(int width, int height);	// funkcia pro zmenu velkosti okna
	void DrawGLScene(void);
	scene();
	~scene();
	void KillGL(void);
	void InitGL(void);
private:
	void Prepni_do_2D(void);
	void Prepni_do_3D(void);
	void Kurzor(void);			// zisti poziciu mysi a zobrazy kurzor
};

#define velkost_kurzoru 5

#endif