Image * get_image_cache(const std::string & filename, int hot_x, int hot_y,
int act_x, int act_y, TransparentColor color)
{
FileImage * image;
ImageCache::const_iterator it = image_cache.find(filename);
if (it == image_cache.end()) {
image = new FileImage(filename, 0, 0, 0, 0, color);
image->load();
if (image->is_valid())
image->flags |= Image::USED | Image::CACHED;
else {
delete image;
image = NULL;
}
image_cache[filename] = image;
} else {
image = it->second;
}
return image;
}
bool has_image_cache(const std::string & filename)
{
return image_cache.find(filename) != image_cache.end();
}