/// <summary>
/// Instantly begins the specified clip
/// </summary>
/// <param name="parameters"></param>
/// <param name="clearQueue"></param>
public void InterruptClip(ClipPlaybackParameters parameters, bool clearQueue = true)
{
if (clearQueue)
_animationQueue.Clear();
if (parameters.Clip == null)
parameters = DefaultClip;
parameters.Clip.Start();
_fadingIn = PlayingClip.Create(parameters, _animation.BonesCount);
_fadingIn.TimeFactor = 1;
_fadingIn.Loop = parameters.Loop;
_fadingIn.FadeOutTime = parameters.FadeOutTime;
_crossfadeProgress = 0;
var fadeOutTime = _fadingOut == null ? 0 : _fadingOut.FadeOutTime.Ticks;
_crossfadeDuration = TimeSpan.FromTicks(Math.Max(parameters.FadeInTime.Ticks, fadeOutTime));
_crossfadeElapsed = TimeSpan.Zero;
}
private void UpdateActiveAnimations(TimeSpan dt, out Transform fadingInRootDelta, out Transform fadingOutRootDelta)
{
fadingInRootDelta = Transform.Identity;
fadingOutRootDelta = Transform.Identity;
if (_fadingOut == null && _fadingIn == null)
InterruptClip(NextClip(), false);
if (_fadingOut == null && _fadingIn != null)
{
//DO NOT merge this into the if check above.
//The above can change the state of _fadingOut so we do need to check it twice!
_fadingOut = _fadingIn;
_fadingIn = null;
}
if (_fadingOut != null)
{
_fadingOut.Update(dt, out fadingOutRootDelta);
//Check if this animation is entering it's final phase. If so, look for another animation in the queue to start playing
if (_fadingIn == null && _fadingOut.ElapsedTime >= _fadingOut.Animation.Duration - _fadingOut.FadeOutTime && (_animationQueue.Count > 0 || !_fadingOut.Loop))
InterruptClip(NextClip(), false);
}
if (_fadingIn != null)
{
_fadingIn.Update(dt, out fadingInRootDelta);
_crossfadeElapsed += dt;
_crossfadeProgress = (float)_crossfadeElapsed.TotalSeconds / (float)_crossfadeDuration.TotalSeconds;
if (_crossfadeElapsed >= _crossfadeDuration)
{
_fadingOut = _fadingIn;
_fadingIn = null;
}
}
}
internal static void Return(PlayingClip playing)
{
playing.Animation = null;
_pool.Return(playing);
}