public ZoneState GenerateTransitionState(ZoneState start, ZoneState end, DateTime currentTime)
{
var startCurrentTime = start.GetCurrentTime(ZoneDirection.Before, currentTime);
var transitionSpan = end.GetCurrentTime(ZoneDirection.After, currentTime) - startCurrentTime;
var transitionUsage = currentTime - startCurrentTime;
var transitionPercentage = transitionUsage.TotalMinutes / transitionSpan.TotalMinutes;
return(new ZoneState()
{
Brightness = GetTransitionValue(start.Brightness, end.Brightness, transitionPercentage),
Color = GetTransitionValue(start.Color, end.Color, transitionPercentage),
On = start.On,
Off = start.Off
});
}
public void Run()
{
if (_States.Count > 0)
{
if (_States.Count == 1)
{
ApplyState(_States[0]);
}
var dateTimeNow = DateTime.Now;
var dummyState = new ZoneState()
{
DayOfWeek = dateTimeNow.DayOfWeek,
Time = dateTimeNow.TimeOfDay
};
//Add the current time as a state and then find where it fell in the sort.
//That way we can determine which one is previous and which one is next.
var sortedStates = _States.Union(new ZoneState[] { dummyState }).OrderBy(x => x.DayOfWeek).ThenBy(x => x.Time).ToArray();
var locationOfDummy = Array.FindIndex(sortedStates, x => x == dummyState);
int nextIndex = locationOfDummy + 1,
previousIndex = locationOfDummy - 1;
//If the dummy state fell between the edges of the array
if (locationOfDummy == 0)
{
previousIndex = sortedStates.Length - 1;
}
else
{
if (locationOfDummy == sortedStates.Length - 1)
{
nextIndex = 0;
}
}
var nextState = sortedStates[nextIndex];
var previousState = sortedStates[previousIndex];
var newZoneState = GenerateTransitionState(previousState, nextState, dateTimeNow);
ApplyState(newZoneState);
}
}
private void ApplyState(ZoneState state)
{
if (!state.Off)
{
if (state.On)
{
_Controller.On();
}
if (state.Color.HasValue)
{
_Controller.SetColor(state.Color.Value);
}
if (state.Brightness.HasValue)
{
_Controller.SetBrightness(state.Brightness.Value);
}
}
else
{
_Controller.Off();
}
}