public bool DoRedo()
{
if (redoActions.Count == 0)
{
return(false);
}
//remove from redo list
Action action = redoActions[redoActions.Count - 1];
redoActions.RemoveAt(redoActions.Count - 1);
//do redo
action.DoRedo();
ActionRedo?.Invoke(action);
//add to undo list
if (undoActions.Count + 1 >= maxLevel)
{
undoActions[0].Destroy();
ActionDestroy?.Invoke(undoActions[0]);
undoActions.RemoveAt(0);
}
undoActions.Add(action);
ListOfActionsChanged?.Invoke(this, EventArgs.Empty);
return(true);
}
public void Clear()
{
bool existsData = undoActions.Count != 0 || redoActions.Count != 0;
foreach (Action action in redoActions)
{
action.Destroy();
ActionDestroy?.Invoke(action);
}
redoActions.Clear();
foreach (Action action in undoActions)
{
action.Destroy();
ActionDestroy?.Invoke(action);
}
undoActions.Clear();
if (existsData)
{
ListOfActionsChanged?.Invoke(this, EventArgs.Empty);
}
WasCleaned?.Invoke(this, EventArgs.Empty);
}
public ActionDestroy Destroy(GameObject go)
{
var destroy = new ActionDestroy(go);
Add(destroy);
return(destroy);
}
public void CommitAction(Action action)
{
foreach (Action a in redoActions)
{
a.Destroy();
ActionDestroy?.Invoke(a);
}
redoActions.Clear();
if (undoActions.Count + 1 >= maxLevel)
{
undoActions[0].Destroy();
ActionDestroy?.Invoke(undoActions[0]);
undoActions.RemoveAt(0);
}
undoActions.Add(action);
ListOfActionsChanged?.Invoke(this, EventArgs.Empty);
}
