public void saveState(StateChange state)
{
if (state == null)
{
throw new ArgumentNullException();
}
removeStatesAfter(currentState);
savedStates.AddLast(state);
currentState = savedStates.Last;
}
private void startStateChange(IEnumerable<RigidBody> bodies)
{
//if (bodies == null)
// Console.WriteLine("start with body count: null");
//else
// Console.WriteLine("start with body count: " + bodies.Count());
stateInChange = new StateChange(bodies);
}
private void undo()
{
if (moveMode != MoveMode.None)
{
finishStateChange(selected); //in case of dragging
}
Paused = true;
selected.Clear();
stateInChange = states.undo();
}
private void finishStateChange(IEnumerable<RigidBody> bodies)
{
moveMode = MoveMode.None;
if (stateInChange != null)
{
stateInChange.After = bodies;
states.saveState(stateInChange);
stateInChange = null;
}
//if (selectedButNotMoving.Count != 0)
//{
// selected.Add(selectedButNotMoving);
// selectedButNotMoving = Selection.Empty;
//}
}
