public static void ShowActionInTrackMenu(NodeTrackCategory category, Action <ActionNode> callback)
{
if (sm_ActionInTrackTypeDic == null)
{
sm_ActionInTrackTypeDic = new Dictionary <NodeTrackCategory, Type[]>();
for (int i = (int)NodeTrackCategory.None + 1; i < (int)NodeTrackCategory.Max; ++i)
{
NodeTrackCategory ntCategory = (NodeTrackCategory)i;
sm_ActionInTrackTypeDic.Add(ntCategory, GetActionInTrackTypes(ntCategory));
}
}
GenericMenu menu = new GenericMenu();
if (sm_ActionInTrackTypeDic.TryGetValue(category, out var types) && types.Length > 0)
{
foreach (var type in types)
{
var menuAttrs = type.GetCustomAttributes(typeof(NodeMenuAttribute), false);
if (menuAttrs != null && menuAttrs.Length > 0)
{
var menuAttr = (NodeMenuAttribute)menuAttrs[0];
string itemName = string.IsNullOrEmpty(menuAttr.Prefix) ? menuAttr.Name : $"{menuAttr.Prefix}/{menuAttr.Name}";
menu.AddItem(new GUIContent(itemName), false, () =>
{
callback?.Invoke((ActionNode)Activator.CreateInstance(type));
});
}
}
}
menu.ShowAsContext();
}
private static Type[] GetActionInTrackTypes(NodeTrackCategory category)
{
return((from type in sm_NodeTypes
where type.IsSubclassOf(typeof(ActionNode))
let attrs = type.GetCustomAttributes(typeof(NodeTrackAttribute), false)
where attrs != null && attrs.Length > 0
let attr = (NodeTrackAttribute)attrs[0]
where attr.Category == category
select type).ToArray());
}
public NodeTrackAttribute(NodeTrackCategory category)
{
Category = category;
}
