Method loadFromFile

engine/src/entity.cpp:29–71

void SpriteAtlas::initialize(unsigned int* ptex) { texture = ptex; }

void SpriteAtlas::loadFromFile(const char* filename)
{
    string line;
    ifstream file(resolveResourcePath(filename));
    istringstream ssf;
    int delay;
    int index;
    ScreenRect srcRect;

    if (file.is_open())
    {
        getline(file, line);
        if (line.compare(0, 3, "\xEF\xBB\xBF") == 0)
            line.erase(0, 3);
        ssf = istringstream(line);
        ssf >> imageSize.x >> imageSize.y;
        while (getline(file, line))
        {
            ssf = istringstream(line);
            ssf >> index;
            if (index != -1)
            {
                while (getline(file, line))
                {
                    ssf = istringstream(line);
                    ssf >> delay >> srcRect.x >> srcRect.y >> srcRect.w >>
                        srcRect.h;
                    if (delay == -1)
                        break;
                    else
                    {
                        srcRect.w = srcRect.w / imageSize.x;
                        srcRect.h = -srcRect.h / imageSize.y;
                        srcRect.x = srcRect.x / imageSize.x;
                        srcRect.y = 1.0 - srcRect.y / imageSize.y;
                        addFrame(index, srcRect, delay);
                    }
                }
            }
        }
        file.close();
    }
}

void SpriteAtlas::addFrame(unsigned int index, ScreenRect src_rect,
                           unsigned int delay)