lab.cpp/SDL#4/xMario/xMarioMario.cpp

/* [CONSTRUCTOR] Construction d'un xMarioMario
=========================================================*/
xMarioMario::xMarioMario(xManager *m, int x, int y)
: xSpriteAnimation(
	m,
	"src/mario.png",
	(SDL_Rect){
		(int) (BLOC_SIZE*x+BLOC_SIZE*.1),
		BLOC_SIZE*y,
		(int) (BLOC_SIZE*.8),
		BLOC_SIZE
	}
){

	_left  = NULL;
	_right = NULL;
	_up    = NULL;
	_down  = NULL;

	// Constantes de velocite sur X
	_velocity[0] = 0.0;
	_mult[0]     = 10;
	_dec[0]      = 0.9;
	_acc[0]      = 3.5;
	_min_vel[0]  = 0.1;
	_max_vel[0]  = 40;

	// Constantes de velocite sur Y
	_velocity[1] = 0.0;
	_mult[1]     = 20;
	_dec[1]      = 1;
	_acc[1]      = 1.9;
	_min_vel[1]  = 0.1;
	_max_vel[1]  = 50;

	this->addFrame( (SDL_Rect){2, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){33, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){62, 0, 19, 29} );
	this->addFrame( (SDL_Rect){93, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){122, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){122, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){153, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){182, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){213, 0, 19, 29} );
	/**///this->addFrame( (SDL_Rect){238, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){269, 0, 19, 29} );
	// this->addFrame( (SDL_Rect){298, 0, 19, 29} );
	/**/// this->addFrame( (SDL_Rect){329, 0, 19, 29} );

	// /* (1) On definit les clip de chaque frame */
	// this->addFrame( (SDL_Rect){21, 0, 18, 32} );
	// this->addFrame( (SDL_Rect){42, 0, 18, 32} );
	// this->addFrame( (SDL_Rect){63, 0, 18, 32} );
	// this->addFrame( (SDL_Rect){82, 0, 18, 32} );
	// this->addFrame( (SDL_Rect){103, 0, 18, 32} );
	// this->addFrame( (SDL_Rect){125, 0, 18, 32} );
}



/* [MOVEFROMVELOCITY] Applique la velocite au deplacement
=========================================================*/
void xMarioMario::moveFromVelocity(){

	// Gestion de touche encore enfoncee
	if( SDL_GetTicks() % 10 < 8 ){
		if( _left  ) this->velocity(-1, 0);
		else if( _right ) this->velocity(1, 0);

		if( _up    ) this->velocity(0, -1);
		else if( _down  ) this->velocity(0, 1);
	}



	// Si aucune collision, on deplace
	if( !_manager->hit(_texture, _velocity[0], _velocity[1]) )
		this->move(_velocity[0], _velocity[1]);
	
	// On diminue la _velocite
	_velocity[0] *= ( 1 - _dec[0] );
	_velocity[1] *= ( 1 - _dec[1] );

	// Gestion de velocite trop basse
	if( abs(_velocity[0]) < _min_vel[0] ) _velocity[0] = 0;
	if( abs(_velocity[1]) < _min_vel[1] ) _velocity[1] = 0;

	cout << floor(_velocity[0]) << " - " << floor(_velocity[1]) << endl;

	// _manager->update();

	// usleep(10000);
}


/* [VELOCITY] Retourne un pointeur sur la velocite
=========================================================*/
double xMarioMario::velocity(bool way){
	// (way) ? HORIZONTAL : VERTICAL
	return (way) ? _velocity[0] : _velocity[1];
}


/* [VELOCITY] Modifie la velocite
=========================================================*/
void xMarioMario::velocity(double x, double y){
	double last[] = { _velocity[0], _velocity[1] };

	// Si meme sens, on accele
	if( last[0]*x > 0 )
		_velocity[0] *= _acc[0];
	else{ // sinon changement sens
		_velocity[0] +=  x*_mult[0];

		// Gestion des frames
		if( _velocity[0] > 0 ) this->turnRight();
		else                   this->turnLeft();
	}

	if( last[1]*y > 0 )
		_velocity[1] *= _acc[1];
	else // sinon changement sens
		_velocity[1] +=  y*_mult[1];



	// On retaille la velocite
	if( abs(_velocity[0]) > _max_vel[0] )
		_velocity[0] = _max_vel[0] * (_velocity[0] / abs(_velocity[0]) );

	if( abs(_velocity[1]) > _max_vel[1]*BLOC_SIZE )
		_velocity[1] = _max_vel[1] * (_velocity[1] / abs(_velocity[1]) );
}




bool xMarioMario::onFloor(){
	return _manager->hit(_texture, 0, 1);
}



/* [TURNLEFT] Charge le sprite vers la gauche
=========================================================*/
void xMarioMario::turnLeft(){
	this->stop();

	for( int i = 0 ; i < _frames.size() ; i++ )
		_frames.erase(_frames.begin()+i);
	_frames.clear();


	this->addFrame( (SDL_Rect){2, 0, 19, 29} );
	this->addFrame( (SDL_Rect){93, 0, 19, 29} );

	// On ajoute au rendu
	this->start(_index, _timeout, _flags);

}



/* [TURNRIGHT] Charge le sprite vers la droite
=========================================================*/
void xMarioMario::turnRight(){
	this->stop();

	for( int i = 0 ; i < _frames.size() ; i++ )
		_frames.erase(_frames.begin()+i);
	_frames.clear();


	this->addFrame( (SDL_Rect){238, 0, 19, 29} );
	this->addFrame( (SDL_Rect){329, 0, 19, 29} );


	// On ajoute au rendu
	this->start(_index, _timeout, _flags);

}