/// <summary>
/// The extension to easy create <see cref="MotionPlayer"/> with <paramref name="view"/>
/// </summary>
/// <param name="model">The l2d model</param>
/// <param name="millsec">Fade millsecond</param>
/// <exception cref="ArgumentNullException">When <paramref name="model"/>, <paramref name="view"/> or <paramref name="key"/> <see langword="null"/></exception>
/// <exception cref="KeyNotFoundException">When given key <paramref name="key"/> not in <see cref="L2DModel.Motion"/></exception>
public static MotionPlayer CreatePlayer(this L2DModel model, L2DView view, string key)
{
if (model is null)
{
throw new ArgumentNullException(nameof(model));
}
if (view is null)
{
throw new ArgumentNullException(nameof(view));
}
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
var val = model.Motion[key];
return(new MotionPlayer(view, val));
}
/// <summary>
/// Do when motion finished changed.
/// <para>
/// It is dependency <see cref="L2DView.IsMotionFinishedChanged"/> event. When the motion status changed,
/// the action <paramref name="action"/> will be call once.
/// </para>
/// </summary>
/// <param name="view">The l2d view, it can't be <see langword="null"/></param>
/// <param name="action">The action, it can't be <see langword="null"/></param>
/// <exception cref="ArgumentNullException">When arguments <paramref name="view"/> or <paramref name="action"/> is <see langword="null"/></exception>
public static void DoWhenMotionFinishedChanged(this L2DView view, Action <L2DView, bool> action)
{
if (view is null)
{
throw new ArgumentNullException(nameof(view));
}
if (action is null)
{
throw new ArgumentNullException(nameof(action));
}
Action <L2DView, bool> doSomething = null;
doSomething = (v, value) =>
{
action?.Invoke(view, value);
//Only once
v.IsMotionFinishedChanged -= doSomething;
};
view.IsMotionFinishedChanged += doSomething;
}