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;
}
/// <summary>
/// Performs an Undo operation, i.e. reverts the last action on the stack.
/// </summary>
public static void Undo()
{
UndoRedoAction action = PrevAction;
if (action == null)
{
return;
}
actionIndex--;
action.Undo();
OnStackChanged();
}
/// <summary>
/// Performs a Redo operation, i.e. applies the next action on the stack.
/// </summary>
public static void Redo()
{
UndoRedoAction action = NextAction;
if (action == null)
{
return;
}
actionIndex++;
action.Do();
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 void Append(UndoRedoAction action, bool performAction)
{
base.Append(action, performAction);
EditTilesetAutoTileItemAction castAction = action as EditTilesetAutoTileItemAction;
if (performAction)
{
castAction.backupTileInput = this.backupTileInput;
castAction.Do();
}
// Copy the new actions tile input over to this one and adjust the masking
this.tileInput.Count = Math.Max(this.tileInput.Count, castAction.tileInput.Count);
this.tileInputMask.Count = this.tileInput.Count;
for (int i = 0; i < castAction.tileInput.Count; i++)
{
if (!castAction.tileInputMask[i]) continue;
this.tileInput[i] = castAction.tileInput[i];
this.tileInputMask[i] = true;
}
// Adjust the backup length to fit the new tile input length
this.backupTileInput.Count = this.autoTile.TileInput.Count;
}
/// <summary>
/// Determines whether the specified action could be merged with this one.
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
public virtual bool CanAppend(UndoRedoAction action)
{
return false;
}
/// <summary>
/// Merges the specified action with this one and performs it before doing so, if requested.
/// </summary>
/// <param name="action"></param>
/// <param name="performAction"></param>
public virtual void Append(UndoRedoAction action, bool performAction)
{
}
/// <summary>
/// Merges the specified action with this one and performs it before doing so, if requested.
/// </summary>
/// <param name="action"></param>
/// <param name="performAction"></param>
public virtual void Append(UndoRedoAction action, bool performAction)
{
}
/// <summary>
/// Determines whether the specified action could be merged with this one.
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
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();
}
}
/// <summary>
/// Performs the specified user operation and puts it on the Undo / Redo stack.
/// </summary>
/// <param name="action"></param>
public static void Do(UndoRedoAction action)
{
AppendAction(action, true);
}
public override bool CanAppend(UndoRedoAction action)
{
EditTilesetAutoTileItemAction castAction = action as EditTilesetAutoTileItemAction;
if (castAction == null) return false;
if (castAction.autoTile != this.autoTile) return false;
return true;
}
public static void Do(UndoRedoAction action)
{
AppendAction(action, true);
}
public override bool CanAppend(UndoRedoAction action)
{
return action is RotateCamViewObjAction && base.CanAppend(action);
}
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 override bool CanAppend(UndoRedoAction action)
{
EditTilesetTileInputAction castAction = action as EditTilesetTileInputAction;
if (castAction == null) return false;
if (castAction.tileset != this.tileset) return false;
return true;
}
