//Source: https://github.com/Q42/Q42.HueApi/pull/174
public static void SetState(this EntertainmentLight light, CancellationToken cancellationToken, RGBColor?rgb = null, TimeSpan rgbTimeSpan = default, double?brightness = null, TimeSpan briTimeSpan = default, bool overwriteExistingTransition = true)
{
if (light == null)
{
throw new ArgumentNullException(nameof(light));
}
// No change in state required.
if (!rgb.HasValue && !brightness.HasValue)
{
return;
}
var currentTransition = light.Transition;
bool hasExistingTransition = currentTransition != null && !currentTransition.IsFinished;
bool canCombineTransitions = hasExistingTransition &&
(!rgb.HasValue || !brightness.HasValue) &&
(!rgb.HasValue || !currentTransition !.IsBrightnessFinished) &&
(!brightness.HasValue || !currentTransition !.IsRgbFinished);
Transition transition;
// If we can't combine the existing transition (if there is one) with the new transition, start a fresh transition.
if (!canCombineTransitions || overwriteExistingTransition)
{
if (rgb.HasValue && brightness.HasValue)
{
transition = new Transition(rgb.Value, brightness.Value, rgbTimeSpan, briTimeSpan);
}
else if (rgb.HasValue)
{
transition = new Transition(rgb.Value, rgbTimeSpan);
}
else
{
transition = new Transition(brightness.Value, briTimeSpan);
}
}
else
{
// A transition is currently in progress, which we need to combine with the colour or brightness that was specified.
if (rgb.HasValue)
{
// Combine new colour transition with existing brightness transition.
transition = new Transition(rgb.Value, currentTransition !.TargetBri.Value, rgbTimeSpan, currentTransition.BrightnessRemainingTime);
}
else
{
// Combine new brightness transition with existing colour transition.
transition = new Transition(currentTransition !.TargetRgb.Value, brightness.Value, currentTransition.RgbRemainingTime, briTimeSpan);
}
}
light.Transition = transition;
transition.Start(light.State.RGBColor, light.State.Brightness, cancellationToken);
}
/// <summary>
/// Get the multiplier for an effect on a light
/// </summary>
/// <param name="effect"></param>
/// <param name="light"></param>
/// <returns></returns>
public override double?GetEffectStrengthMultiplier(EntertainmentLight light)
{
var distance = Distance(light.LightLocation);
double?multiplier = Radius - distance * 2;
multiplier = multiplier > 1 ? 1 : multiplier;
multiplier = multiplier < 0 ? 0 : multiplier;
return(multiplier);
}
///// <summary>
/////
///// </summary>
///// <param name="light"></param>
///// <param name="xy"></param>
///// <param name="gamut">The gamut to use</param>
///// <param name="timeSpan"></param>
///// <param name="cancellationToken"></param>
///// <returns></returns>
//public static void SetColor(this EntertainmentLight light, CancellationToken cancellationToken, CIE1931Point xy, CIE1931Gamut gamut, TimeSpan timeSpan = default)
//{
// var rgb = HueColorConverter.XYToRgb(xy, gamut);
// light.SetState(cancellationToken, rgb, null, timeSpan);
//}
/// <summary>
/// Set state on a single light
/// </summary>
/// <param name="light"></param>
/// <param name="rgb"></param>
/// <param name="brightness"></param>
/// <param name="timeSpan"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static void SetState(this EntertainmentLight light, CancellationToken cancellationToken, RGBColor?rgb = null, double?brightness = null, TimeSpan timeSpan = default)
{
//Create a new transition for this light
Transition transition = new Transition(rgb, brightness, timeSpan);
light.Transition = transition;
//Start the transition
transition.Start(light.State.RGBColor, light.State.Brightness, cancellationToken);
}
/// <summary>
/// Set state on a single light
/// </summary>
/// <param name="light"></param>
/// <param name="xy"></param>
/// <param name="gamut"></param>
/// <param name="brightness"></param>
/// <param name="timeSpan"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static void SetState(this EntertainmentLight light, CancellationToken cancellationToken, CIE1931Point xy, CIE1931Gamut gamut, double?brightness = null, TimeSpan timeSpan = default(TimeSpan))
{
var rgb = HueColorConverter.XYToRgb(xy, gamut);
//Create a new transition for this light
Transition transition = new Transition(rgb, brightness, timeSpan);
light.Transition = transition;
//Start the transition
transition.Start(light.State.RGBColor, light.State.Brightness, cancellationToken);
}
/// <summary>
/// Get the multiplier for an effect on a light
/// </summary>
/// <param name="effect"></param>
/// <param name="light"></param>
/// <returns></returns>
public override double?GetEffectStrengthMultiplier(EntertainmentLight light)
{
var angle = Angle(light.LightLocation);
var dif1 = Math.Abs(CurrentAngle - angle);
var dif2 = Math.Abs(CurrentAngle - angle - 360);
var diff = Math.Min(dif1, dif2) / 60;
double?multiplier = this.Width - diff;
multiplier = multiplier > 1 ? 1 : multiplier;
multiplier = multiplier < 0 ? 0 : multiplier;
return(multiplier);
}
/// <summary>
///
/// </summary>
/// <param name="light"></param>
/// <param name="rgb"></param>
/// <param name="timeSpan"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static void SetColor(this EntertainmentLight light, CancellationToken cancellationToken, RGBColor rgb, TimeSpan timeSpan = default)
{
light.SetState(cancellationToken, rgb, null, timeSpan);
}
/// <summary>
/// Brightness between 0 and 1
/// </summary>
/// <param name="light"></param>
/// <param name="brightness">between 0 and 1</param>
/// <param name="timeSpan"></param>
/// <param name="cancellationToken"></param>
public static void SetBrightness(this EntertainmentLight light, CancellationToken cancellationToken, double brightness, TimeSpan timeSpan = default)
{
light.SetState(cancellationToken, null, brightness, timeSpan);
}
public abstract double?GetEffectStrengthMultiplier(EntertainmentLight light);
/// <summary>
///
/// </summary>
/// <param name="light"></param>
/// <param name="xy"></param>
/// <param name="gamut">The gamut to use</param>
/// <param name="timeSpan"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static void SetColor(this EntertainmentLight light, CancellationToken cancellationToken, CIE1931Point xy, CIE1931Gamut gamut, TimeSpan timeSpan = default)
{
var rgb = HueColorConverter.XYToRgb(xy, gamut);
light.SetState(cancellationToken, rgb, null, timeSpan);
}
