public TimeMachineState(TimeMachineState other)
{
Actions = other.Actions;
States = other.States;
Position = other.Position;
IsPaused = other.IsPaused;
}
public TimeMachineState(TimeMachineState other)
{
Actions = other.Actions;
States = other.States;
Position = other.Position;
IsPaused = other.IsPaused;
}
public TimeMachineState Execute(TimeMachineState previousState, IAction action)
{
if (action is ResumeTimeMachineAction)
{
return(previousState
.WithIsPaused(false)
.WithStates(previousState.States.Take(previousState.Position + 1).ToImmutableList())
.WithActions(previousState.Actions.Take(previousState.Position).ToImmutableList()));
}
if (action is PauseTimeMachineAction)
{
return(previousState
.WithIsPaused(true));
}
if (action is SetTimeMachinePositionAction)
{
return(previousState
.WithPosition(((SetTimeMachinePositionAction)action).Position)
.WithIsPaused(true));
}
if (previousState.IsPaused)
{
return(previousState);
}
var innerState = _reducer(previousState.States.Last(), action);
return(previousState
.WithStates(previousState.States.Add(innerState))
.WithActions(previousState.Actions.Add(action))
.WithPosition(previousState.Position + 1));
}
private void OnStateChange(TimeMachineState state)
{
_lastState = state;
Shield.Visibility = state.IsPaused ? Visibility.Visible : Visibility.Collapsed;
PauseButton.Visibility = state.IsPaused ? Visibility.Collapsed : Visibility.Visible;
PlayButton.Visibility = state.IsPaused ? Visibility.Visible : Visibility.Collapsed;
ActionPositionsSlider.Value = state.Position;
ActionPositionsSlider.Maximum = state.Actions.Count;
if (state.Position <= 0)
{
CurrentActionTypeTextBlock.Text = string.Empty;
CurrentActionDescription.Text = string.Empty;
}
else
{
var currentAction = state.Actions[state.Position - 1];
CurrentActionTypeTextBlock.Text = currentAction.GetType().Name;
CurrentActionDescription.Text = JsonConvert.SerializeObject(currentAction, Formatting.Indented);
}
}
private void OnStateChange(TimeMachineState state)
{
_lastState = state;
Shield.Visibility = state.IsPaused ? Visibility.Visible : Visibility.Collapsed;
PauseButton.Visibility = state.IsPaused ? Visibility.Collapsed : Visibility.Visible;
PlayButton.Visibility = state.IsPaused ? Visibility.Visible : Visibility.Collapsed;
ActionPositionsSlider.Value = state.Position;
ActionPositionsSlider.Maximum = state.Actions.Count;
if (state.Position <= 0)
{
CurrentActionTypeTextBlock.Text = string.Empty;
CurrentActionDescription.Text = string.Empty;
}
else
{
var currentAction = state.Actions[state.Position - 1];
CurrentActionTypeTextBlock.Text = currentAction.GetType().Name;
CurrentActionDescription.Text = JsonConvert.SerializeObject(currentAction, Formatting.Indented);
}
}