public static T GetDescription <T>(IContext context, string path, IRandom random) where T : class, IDescription
{
var parts = GetParts(path);
IDescription current = null;
for (int i = 0; i < parts.Count; i++)
{
current = current == null?context.dataSources.GetChild(parts[i][0]) : current.GetChild(parts[i][0]);
if (SelectPathUtil.IsSimple(parts[i][1]))
{
current = current.GetChild(parts[i][1]);
}
else
{
var allKeys = new List <string>();
allKeys.AddRange(current.GetNode().GetSortedKeys());
var affectedKeys = SelectPathUtil.GetAffectedKeys(parts[i][1], allKeys);
if (affectedKeys.Count == 0)
{
return(null);
}
var selectedKey = affectedKeys[random.Range(0, affectedKeys.Count)];
current = current.GetChild(selectedKey);
}
}
return((T)current);
}
