public void UndoAction()
{
if (_undoStack.Count != 0)
{
var action = _undoStack.Pop();
_redoStack.Push(action);
action.Undo();
if (OnUndo != null)
{
OnUndo();
}
}
}
private void ApplyEvent(FiniteStack <HistoryEvent> apply)
{
if (apply.count <= 0)
{
return;
}
HistoryEvent next = apply.Pop();
next.Restore(data.songData);
data.currentPattern = next.pattern;
view.UpdatePatternData();
Debug.Log("Next line is " + next.position.line);
view.SetSelection(next.position);
}
// Load last saved level from redo tack and rebuild level
private void Redo()
{
// See if there is anything on the redo stack
if (_redoStack.Count > 0)
{
// If so, push it to the redo stack
_undoStack.Push(_levelEditor.GetLevel());
}
// Get the last level entry
int[,,] redoLevel = _redoStack.Pop();
if (redoLevel != null)
{
// Set level to the previous state
_levelEditor.SetLevel(redoLevel);
}
}
// Load last saved level from redo tack and rebuild level
void Redo()
{
// See if there is anything on the redo stack
if (redoStack.Count > 0)
{
// If so, push it to the redo stack
undoStack.Push(level);
}
// Get the last level entry
int[,,] redoLevel = redoStack.Pop();
if (redoLevel != null)
{
// Set level and rebuild the level
level = redoLevel;
RebuildLevel();
}
}
// Goes forward to the previously selected directory (inverse of DirectoryBackward)
public void DirectoryForward()
{
// See if there is anything on the redo stack
if (_forwardStack.Count > 0)
{
// If so, push it to the backward stack
_backwardStack.Push(_currentPath);
}
// Get the last level entry
string forwardPath = _forwardStack.Pop();
if (forwardPath != null)
{
// Set path and update the file browser
_currentPath = forwardPath;
UpdateFileBrowser();
}
}
// Returns to the previously selected directory (inverse of DirectoryForward)
public void DirectoryBackward()
{
// See if there is anything on the backward stack
if (_backwardStack.Count > 0)
{
// If so, push it to the forward stack
_forwardStack.Push(currentPath);
}
// Get the last path entry
string backPath = _backwardStack.Pop();
if (backPath != null)
{
// Set path and update the file browser
currentPath = backPath;
UpdateFileBrowser();
}
}