//will only follow consistent links
public LevelMetadata PreviousLink()
{
if (LinkedFromLevel != null && XmlDataHelper.CheckWorldExistsByGenre((Guid)LinkedFromLevel, Genres))
{
LevelMetadata level = XmlDataHelper.LoadMetadataByGenre((Guid)LinkedFromLevel, Genres);
//make sure the link is consistent or don't return it
if (level != null && level.LinkedToLevel == this.WorldId)
{
return(level);
}
}
return(null);
}
