public override bool CanAppend(UndoRedoAction action)
{
CamViewObjAction castAction = action as CamViewObjAction;
if (castAction == null) return false;
if (castAction.postPerform != this.postPerform) return false;
return castAction.targetObj.SetEqual(this.targetObj);
}
public override void Append(UndoRedoAction action, bool performAction)
{
base.Append(action, performAction);
MoveCamViewObjAction moveAction = action as MoveCamViewObjAction;
if (performAction)
{
moveAction.backupPos = this.backupPos;
moveAction.Do();
}
this.moveBy += moveAction.moveBy;
}
public override void Append(UndoRedoAction action, bool performAction)
{
base.Append(action, performAction);
ScaleCamViewObjAction moveAction = action as ScaleCamViewObjAction;
if (performAction)
{
moveAction.backupPos = this.backupPos;
moveAction.backupScale = this.backupScale;
moveAction.Do();
}
this.scaleBy *= moveAction.scaleBy;
}
public static void Redo()
{
UndoRedoAction action = NextAction;
if (action == null)
{
return;
}
actionIndex++;
action.Do();
OnStackChanged();
}
public static void Undo()
{
UndoRedoAction action = PrevAction;
if (action == null)
{
return;
}
actionIndex--;
action.Undo();
OnStackChanged();
}
public override void Append(UndoRedoAction action, bool performAction)
{
base.Append(action, performAction);
RotateCamViewObjAction moveAction = action as RotateCamViewObjAction;
if (performAction)
{
moveAction.backupPos = this.backupPos;
moveAction.backupAngle = this.backupAngle;
moveAction.Do();
}
this.turnBy += moveAction.turnBy;
}
public override bool CanAppend(UndoRedoAction action)
{
return action is ScaleCamViewObjAction && base.CanAppend(action);
}
public static void Do(UndoRedoAction action)
{
AppendAction(action, true);
}
public virtual void Append(UndoRedoAction action, bool performAction)
{
}
public virtual bool CanAppend(UndoRedoAction action)
{
return(false);
}
private static void AppendAction(UndoRedoAction action, bool performAction)
{
if (action.IsVoid)
{
return;
}
if (macroBeginCount > 0)
{
UndoRedoAction prev = macroList.Count > 0 ? macroList[macroList.Count - 1] : null;
if (prev != null && prev.CanAppend(action))
{
prev.Append(action, performAction);
}
else
{
macroList.Add(action);
if (performAction)
{
action.Do();
}
}
}
else
{
if (Sandbox.IsActive)
{
if (performAction)
{
action.Do();
}
return;
}
bool hadNext = false;
if (actionStack.Count - actionIndex - 1 > 0)
{
actionStack.RemoveRange(actionIndex + 1, actionStack.Count - actionIndex - 1);
hadNext = true;
}
UndoRedoAction prev = PrevAction;
if (!lastActionFinished && !hadNext && prev != null && prev.CanAppend(action))
{
prev.Append(action, performAction);
}
else
{
lastActionFinished = false;
actionStack.Add(action);
actionIndex++;
if (performAction)
{
action.Do();
}
}
if (actionStack.Count > maxActions)
{
actionIndex -= actionStack.Count - maxActions;
actionStack.RemoveRange(0, actionStack.Count - maxActions);
}
OnStackChanged();
}
}
public static void Do(UndoRedoAction action)
{
AppendAction(action, true);
}
public virtual void Append(UndoRedoAction action, bool performAction) {}
public virtual bool CanAppend(UndoRedoAction action)
{
return false;
}
private static void AppendAction(UndoRedoAction action, bool performAction)
{
if (action.IsVoid) return;
if (macroBeginCount > 0)
{
UndoRedoAction prev = macroList.Count > 0 ? macroList[macroList.Count - 1] : null;
if (prev != null && prev.CanAppend(action))
{
prev.Append(action, performAction);
}
else
{
macroList.Add(action);
if (performAction) action.Do();
}
}
else
{
if (Sandbox.IsActive)
{
if (performAction) action.Do();
return;
}
bool hadNext = false;
if (actionStack.Count - actionIndex - 1 > 0)
{
actionStack.RemoveRange(actionIndex + 1, actionStack.Count - actionIndex - 1);
hadNext = true;
}
UndoRedoAction prev = PrevAction;
if (!lastActionFinished && !hadNext && prev != null && prev.CanAppend(action))
{
prev.Append(action, performAction);
}
else
{
lastActionFinished = false;
actionStack.Add(action);
actionIndex++;
if (performAction) action.Do();
}
if (actionStack.Count > maxActions)
{
actionIndex -= actionStack.Count - maxActions;
actionStack.RemoveRange(0, actionStack.Count - maxActions);
}
OnStackChanged();
}
}