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    = false;
	_right   = false;
	_up      = false;
	_down    = false;
	_jumps   = 0;

	_gravity = 13;

	// Constantes de velocite sur X
	_velocity[0] = 0.0;
	_mult[0]     = 10;
	_dec[0]      = 0.9;
	_acc[0]      = 5;
	_min_vel[0]  = 0.1;
	_max_vel[0]  = 40;

	// Constantes de velocite sur Y
	_velocity[1] = 0.0;
	_mult[1]     = 50;
	_dec[1]      = 1;
	_acc[1]      = 10;
	_min_vel[1]  = 0.1;
	_max_vel[1]  = 100;

	/**/// 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(){

	/* (1) Gestion de touche encore enfoncee */
	if( _left )       this->velocity(-1, 0);
	else if( _right ) this->velocity(1, 0);

	// Si touche haut
	if( _up ){
		// Si au sol et premier saut ou autre saut (pour la hauteur)
		if( this->onFloor() && _jumps == 0 || _jumps == 1 ){
			this->velocity(0, -1);
			_jumps++;
		}
	}else if( _down )
		this->velocity(0, 1);	
	else
		_jumps = 0;
		

	/* (2) Si aucune collision, on deplace */
	this->move(_velocity[0], _velocity[1]);

	
	/* (3) On diminue la velocite (decceleration) */
	_velocity[0] *= ( 1 - _dec[0] );
	_velocity[1] *= ( 1 - _dec[1] );


	/* (4) Gestion de la gravite */
	if( !this->onFloor() )
		this->move(0, 13);

	/* (5) Si velocite sous borne min */
	if( _velocity[0] < _min_vel[0] ) // sur x
		_velocity[0] = 0;

	if( _velocity[1] < _min_vel[1] ) // sur y
		_velocity[1] = 0;


	/* (6) Gestion du temps */
	// if( _velocity[0]*_velocity[1] != 0 )
	// cout << _velocity[0] << " - " << _velocity[1] << endl;
	usleep(1);
}


/* [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] };

	/* (1) Gestion velocite axe X */
	if( last[0]*x > 0 ) // Si meme sens, on accelere
		_velocity[0] *= _acc[0];
	else{
		_velocity[0] += x * _mult[0];

		if( _velocity[0] > 0 ) // vers droite
			this->turnRight(); 
		else
			this->turnLeft(); 
	}


	/* (2) Gestion velocite axe Y */
	if( last[1]*y > 0 ) // Si meme sens, on accelere
		_velocity[1] *= _acc[1];
	else
		_velocity[1] += y * _mult[1];

	/* (3) On borne la velocite aux max */
	if( abs(_velocity[0]) > _max_vel[0] ) // Si max x
		_velocity[0] = _max_vel[0] * (_velocity[0] / abs(_velocity[0]) );

	if( abs(_velocity[1]) > _max_vel[1] ) // Si max y
		_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();
	this->pull();
	this->clear();

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

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

}



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

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


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

}