Level Loading

bool Level::LoadFromFile( const std::string& filename )
{
    std::fstream file( filename.c_str(), std::fstream::in );
    if ( !file )
    {
        return false;
    }

    std::string sizeStr;
    file >> sizeStr;
    auto tokens = util::Tokenize( sizeStr, "x" );
    if ( !file or tokens.size() != 2 )
    {
        return false;
    }
    size.x = util::FromString< sf::Int32 >( tokens[ 0 ] );
    size.y = util::FromString< sf::Int32 >( tokens[ 1 ] );

    file.get();
    std::getline( file, name );
    if ( !file )
    {
        return false;
    }

    for ( int iy = 0; iy < size.y; ++iy )
    {
        std::string line;
        std::getline( file, line );
        if ( !file or line.length() < size.x )
        {
            return false;
        }

        for ( int ix = 0; ix < size.x; ++ix )
        {
            AddBlock( line[ ix ], ix, iy );
        }
    }

    return false;
}