public static AnimationStatus RenderFrame(Avatar avatar, Animation animation, int frame, float fraction)
{
if (frame < 0 || frame > animation.NumFrames)
{
return(AnimationStatus.COMPLETED);
}
var numDone = 0;
foreach (var motion in animation.Motions)
{
var bone = avatar.Skeleton.GetBone(motion.BoneName);
if (bone == null)
{
continue; //fixes bugs with missing bones.. need to find out what R_FINGERPOLY0 is though.
}
var motionFrame = frame;
if (frame >= motion.FrameCount)
{
numDone++;
motionFrame = (int)motion.FrameCount - 1;
}
if (motion.HasTranslation)
{
if (fraction >= 0)
{
var trans1 = animation.Translations[motion.FirstTranslationIndex + motionFrame];
var trans2 = (frame + 1 >= motion.FrameCount) ? trans1 : animation.Translations[motion.FirstTranslationIndex + motionFrame + 1];
bone.Translation = Vector3.Lerp(trans1, trans2, fraction);
}
else
{
bone.Translation = animation.Translations[motion.FirstTranslationIndex + motionFrame];
}
}
if (motion.HasRotation)
{
if (fraction >= 0)
{
var quat1 = animation.Rotations[motion.FirstRotationIndex + motionFrame];
var quat2 = (frame + 1 >= motion.FrameCount) ? quat1 : animation.Rotations[motion.FirstRotationIndex + motionFrame + 1];
bone.Rotation = Quaternion.Slerp(quat1, quat2, fraction);
}
else
{
bone.Rotation = animation.Rotations[motion.FirstRotationIndex + motionFrame];
}
}
}
avatar.ReloadSkeleton();
return(AnimationStatus.IN_PROGRESS);
}
public void Update(GameTime time)
{
var now = time.ElapsedGameTime.Milliseconds;
if (this.Status == AnimationStatus.WAITING_TO_START)
{
StartTime = now;
this.Status = AnimationStatus.IN_PROGRESS;
}
var fps = 30.0f * Speed;
var fpms = fps / 1000;
var runTime = now - StartTime;
uint frame = (uint)(runTime * fpms);
var fraction = (runTime * fpms) - frame;
int numDone = 0;
/** Speed is 30fps by default **/
foreach (var motion in Animation.Motions)
{
var bone = Avatar.Skeleton.GetBone(motion.BoneName);
var motionFrame = frame;
if (frame >= motion.FrameCount)
{
numDone++;
motionFrame = motion.FrameCount - 1;
}
if (motion.HasTranslation)
{
bone.Translation = Animation.Translations[motion.FirstTranslationIndex + motionFrame];
}
if (motion.HasRotation)
{
bone.Rotation = Animation.Rotations[motion.FirstRotationIndex + motionFrame];
}
}
if (numDone == Animation.Motions.Length)
{
/** Completed! **/
this.Status = AnimationStatus.COMPLETED;
}
else
{
Avatar.ReloadSkeleton();
}
}
/// <summary>
/// Renders an animation's frame.
/// </summary>
/// <param name="avatar">The avatar which the animation is run for.</param>
/// <param name="animation">The animation.</param>
/// <param name="frame">Frame number in animation.</param>
/// <param name="fraction"></param>
/// <returns>Status of animation.</returns>
public static AnimationStatus RenderFrame(Avatar avatar, Animation animation, int frame, float fraction)
{
if (frame < 0 || frame > animation.NumFrames) return AnimationStatus.COMPLETED;
var numDone = 0;
foreach (var motion in animation.Motions)
{
var bone = avatar.Skeleton.GetBone(motion.BoneName);
if (bone == null) continue; //fixes bugs with missing bones.. need to find out what R_FINGERPOLY0 is though.
var motionFrame = frame;
if (frame >= motion.FrameCount)
{
numDone++;
motionFrame = (int)motion.FrameCount - 1;
}
if (motion.HasTranslation)
{
if (fraction >= 0)
{
var trans1 = animation.Translations[motion.FirstTranslationIndex + motionFrame];
var trans2 = (frame + 1 >= motion.FrameCount) ? trans1 : animation.Translations[motion.FirstTranslationIndex + motionFrame+1];
bone.Translation = Vector3.Lerp(trans1, trans2, fraction);
}
else
{
bone.Translation = animation.Translations[motion.FirstTranslationIndex + motionFrame];
}
}
if (motion.HasRotation)
{
if (fraction >= 0)
{
var quat1 = animation.Rotations[motion.FirstRotationIndex + motionFrame];
var quat2 = (frame + 1 >= motion.FrameCount) ? quat1 : animation.Rotations[motion.FirstRotationIndex + motionFrame + 1];
bone.Rotation = Quaternion.Slerp(quat1, quat2, fraction);
}
else
{
bone.Rotation = animation.Rotations[motion.FirstRotationIndex + motionFrame];
}
}
}
avatar.ReloadSkeleton();
return AnimationStatus.IN_PROGRESS;
}
