private void ProcessAnimationRecursive(NodeContent input, AnimationClips animationClips)
{
foreach (KeyValuePair <string, AnimationContent> animation in input.Animations)
{
// do we have this animation before?
AnimationClips.Clip clip;
if (!animationClips.Clips.TryGetValue(animation.Key, out clip))
{
//never before seen clip
System.Diagnostics.Trace.WriteLine("New clip: " + animation.Key);
clip = new AnimationClips.Clip();
clip.Name = animation.Key;
clip.Duration = animation.Value.Duration.TotalSeconds;
clip.Keyframes = new List <AnimationClips.Keyframe> [bones.Count];
for (int b = 0; b < bones.Count; b++)
{
clip.Keyframes[b] = new List <AnimationClips.Keyframe>();
}
animationClips.Clips[animation.Key] = clip;
}
//for each canell, determine the bone and then process all of the keyframes for that bone
foreach (KeyValuePair <string, AnimationChannel> channel in animation.Value.Channels)
{
// what is the bone index?
int boneIndex;
if (!bones.TryGetValue(channel.Key, out boneIndex))
{
continue; //ignore if not a named bone
}
foreach (AnimationKeyframe keyframe in channel.Value)
{
Matrix transform = keyframe.Transform; //keyframe transformation
AnimationClips.Keyframe newKeyFrame = new AnimationClips.Keyframe();
newKeyFrame.Time = keyframe.Time.TotalSeconds;
transform.Right = Vector3.Normalize(transform.Right);
transform.Up = Vector3.Normalize(transform.Up);
transform.Backward = Vector3.Normalize(transform.Backward);
newKeyFrame.Rotation = Quaternion.CreateFromRotationMatrix(transform);
newKeyFrame.Translastion = transform.Translation;
clip.Keyframes[boneIndex].Add(newKeyFrame);
}
}
}
//System.Diagnostics.Trace.WriteLine(input.Name);
foreach (NodeContent child in input.Children)
{
ProcessAnimationRecursive(child, animationClips);
}
}
protected override void Write(ContentWriter output, AnimationClips clips)
{
output.Write(clips.Clips.Count);
foreach (KeyValuePair <string, AnimationClips.Clip> clipItem in clips.Clips)
{
AnimationClips.Clip clip = clipItem.Value;
output.Write(clip.Name);
output.Write(clip.Duration);
output.Write(clip.Keyframes.Length);
foreach (List <AnimationClips.Keyframe> keyframes in clip.Keyframes)
{
output.Write(keyframes.Count);
foreach (AnimationClips.Keyframe keyframe in keyframes)
{
output.Write(keyframe.Time);
output.Write(keyframe.Rotation);
output.Write(keyframe.Translastion);
}
}
}
}
