gistfile1.h

bool Player::IsColliding(Map * m) {
  bool topFirst = this->vel.y < 0;
  bool leftFirst = this->vel.x < 0;
  int width = this->mask->GetWidth();
  int height = this->mask->GetHeight();
  
  sf::IntRect maskAABB = this->GetAABB(this->prov);
  sf::IntRect mapAABB = m->GetAABB();
  
  if (maskAABB.Intersects(mapAABB)) {
    
    sf::Vector2f mapV;
    int x = leftFirst ? 0 : width-1;
    int y = topFirst ? 0 : height-1;
    
    for (int i = maskAABB.Left; i < maskAABB.Right; i++) {
      for (int j = maskAABB.Top; j < maskAABB.Bottom; j++) {
        
        //cout << "x: " << x << "  y: " << y << endl;
        
        mapV = ((sf::Sprite *)m)->TransformToLocal(sf::Vector2f(i, j));
                
        //If both sprites have opaque pixels at the same point we've got a hit
        if ((((sf::Sprite *)m)->GetPixel(mapV.x, mapV.y).a != sf::Color(0,0,0,0).a) &&
            (this->mask->GetPixel(x, y).a != sf::Color(0,0,0,0).a)) {
          this->last.x = x;
          this->last.y = y;
          return true;
        }
        
        y = topFirst ? y+1 : y-1;
      }
      
      y = topFirst ? 0 : height-1;
      x = leftFirst ? x+1 : x-1;
    }
    return false;
  }
  return false;
}


void Player::HandleCollision() {
  //cout << "collision at (" << this->last.x << ", " << this->last.y << ")" << endl;
  //cout << "mask pos (" << this->pos.x + this->off.x << ", " << this->pos.y + this->off.y << ")" << endl;
  //sf::IntRect maskAABB = this->GetAABB(this->prov);

  this->vel.y = 0;
  this->vel.x *= this->fric;
  
  this->pos += (this->prov + this->off) - this->last;
  this->SetPosition(this->pos.x, this->pos.y);
}