Sety - czyli zbiory tekstur i powtarzające się elementy

void loadTextureSets( string pathfile, int tile_width, int tile_height ) {
   
   
    sf::Image image;
    image.loadFromFile( "assets/" + pathfile + ".png" );
   
    short image_width = image.getSize().x;
    short image_height = image.getSize().y;
   
    //cout << image_width << "x" << image_height << "\n";
   
    int counter = 0;
   
    for( short y = 0; y < image_height; y += tile_height )
         for( short x = 0; x < image_width; x += tile_width ) {
       
        // create tile - fragment of texture
        sf::Image tile;
        tile.copy( image, 0, 0, sf::IntRect( x, y, tile_width, tile_height ) ); // tu chyba powoduje błąd
       
        // searching - exist doubles or no
        bool existed = false;
        for( short i = 0; i < textures.size(); i++ ) {
           
            sf::Image img = textures[ i ]->texture->copyToImage();
           
            if( areImagesEqual( tile, img ) ) {
                existed = true;
                cout << "exits now\n";
                break;
            }
        }
       
        // if no exist then add
        if( existed == false ) {
            Texture * new_texture = new Texture( pathfile + "_" + to_string( counter ), tile );
            //cout << "created texture: " << pathfile + "_" + to_string(counter) << "\n";
            cout << "create a texture\n";
            textures.push_back( new_texture );
           
            counter += 1;
           
        }
       
    }
   
}

void Image::copy( const Image & source, unsigned int destX, unsigned int destY, const IntRect & sourceRect, bool applyAlpha )
{
    // Make sure that both images are valid
    if(( source.m_size.x == 0 ) ||( source.m_size.y == 0 ) ||( m_size.x == 0 ) ||( m_size.y == 0 ) )
         return;