async Task <object> IAsyncCloneable <Program> .CloneInstance(Program program)
{
var looks = Looks == null ? null : await Looks.ToReadOnlyDictionaryAsync(
keySelector : look => look,
elementSelector : look => look.CloneAsync(program));
var sounds = Sounds == null ? null : await Sounds.ToReadOnlyDictionaryAsync(
keySelector : sound => sound,
elementSelector : sound => sound.CloneAsync(program));
var localVariables = LocalVariables == null ? null : LocalVariables.ToReadOnlyDictionary(
keySelector: variable => variable,
elementSelector: variable => variable.Clone());
var context = new CloneSpriteContext(looks, sounds, localVariables);
return(new Sprite
{
Name = Name,
Looks = looks == null ? null : looks.Values.ToObservableCollection(),
Sounds = sounds == null ? null : sounds.Values.ToObservableCollection(),
LocalVariables = localVariables == null ? null : localVariables.Values.ToObservableCollection(),
Scripts = Scripts.Select(script => script.Clone(context)).ToObservableCollection()
});
}