photoCollection.h

// protect multiple inclusion
#ifndef _PHOTOCOLLECTION_H_INCLUDED_
#define _PHOTOCOLLECTION_H_INCLUDED_


// forward declaration to prevent #include here
class Photo;


// definition of callback prototype
typedef ERR_TYPE (*photoCollectionCheckForDeleteCallback_TYPE)( Photo* p );
// shortcut for photo iterator
typedef irr::core::list<Photo*>::Iterator photoIterator_TYPE;


class PhotoCollection
{
public:
        PhotoCollection();
        ~PhotoCollection();

        // loads a wellknown mesh from file, loads a texture from file, set up new photo
        ERR_TYPE addPhoto( irr::core::stringc fileName, NxVec3 pos );
        // this function parses given directory for loadable images and then creates photo objects
        ERR_TYPE addPhotosFromDirectory( irr::core::stringc dirPath );
        // update all photos in our collection
        ERR_TYPE update( irr::u32 timeMS );
        // attach unknown function which checks whether a photo should be deleted or not
        ERR_TYPE registerCheckForDeleteCallback( photoCollectionCheckForDeleteCallback_TYPE anyCallBackFunction );
        // setup photos' position nicely
        ERR_TYPE resetPhotos();
        // dispose all photos in our list
        ERR_TYPE deleteAllPhotos();

private:
        // dispose a photos from our collection
        ERR_TYPE deletePhoto( Photo* photo );
        // dispose a photos from our collection
        photoIterator_TYPE deletePhoto( photoIterator_TYPE it );

        irr::core::list<Photo*>                                                 photoList;
        photoCollectionCheckForDeleteCallback_TYPE              theOneToCallToCheckForPhotoDelete;

};


#endif // #ifndef _PHOTOCOLLECTION_H_INCLUDED_

---