| public GetBone ( string name ) : Bone | ||
| name | string | Name of the bone to retrieve. |
| return | Bone | |
public void Apply(Skeleton skeleton, float time, float weight, bool accumulate, float scale)
{
// loop through tracks and update them all with current time
foreach (KeyValuePair <ushort, NodeAnimationTrack> pair in nodeTrackList)
{
NodeAnimationTrack track = pair.Value;
Bone bone = skeleton.GetBone(pair.Key);
track.ApplyToNode(bone, time, weight, accumulate, scale);
}
}
public void Apply(Skeleton skeleton, float time, float weight, bool accumulate, float scale)
{
// loop through tracks and update them all with current time
foreach (var pair in this.nodeTrackList)
{
var track = pair.Value;
var bone = skeleton.GetBone(pair.Key);
track.ApplyToNode(bone, time, weight, accumulate, scale);
}
}
protected void TransformSkeleton(Matrix4 unscaledTransform, float scale)
{
Matrix4 invExportTransform = unscaledTransform.Inverse();
Dictionary<string, Matrix4> fullInverseBoneTransforms = new Dictionary<string, Matrix4>();
Skeleton newSkeleton = new Skeleton(skeleton.Name);
// Construct new versions of the bones, and build
// the inverse bind matrix that will be needed.
for (ushort i = 0; i < skeleton.BoneCount; ++i) {
Bone bone = skeleton.GetBone(i);
Bone newBone = newSkeleton.CreateBone(bone.Name, bone.Handle);
fullInverseBoneTransforms[bone.Name] =
bone.BindDerivedInverseTransform * invExportTransform;
}
// Build the parenting relationship for the new skeleton
for (ushort i = 0; i < skeleton.BoneCount; ++i) {
Bone bone = skeleton.GetBone(i);
Bone newBone = newSkeleton.GetBone(i);
Bone parentBone = (Bone)bone.Parent;
if (parentBone != null) {
Bone newParentBone = newSkeleton.GetBone(parentBone.Handle);
newParentBone.AddChild(newBone);
}
}
// Set the orientation and position for the various bones
for (ushort i = 0; i < newSkeleton.BoneCount; ++i) {
Bone bone = skeleton.GetBone(i);
string boneName = bone.Name;
string parentName = (bone.Parent == null) ? null : bone.Parent.Name;
Matrix4 transform = GetLocalBindMatrix(fullInverseBoneTransforms, boneName, parentName, true);
Quaternion orientation = GetRotation(transform);
Bone newBone = newSkeleton.GetBone(i);
newBone.Orientation = orientation;
// newBone.Scale = transform.Scale;
newBone.Position = scale * transform.Translation;
}
newSkeleton.SetBindingPose();
for (int i = 0; i < skeleton.AnimationCount; ++i) {
Animation anim = skeleton.GetAnimation(i);
Animation newAnim = newSkeleton.CreateAnimation(anim.Name, anim.Length);
TransformAnimation(unscaledTransform, scale, newAnim, anim, newSkeleton);
}
skeleton = newSkeleton;
}
protected void TransformAnimation(Matrix4 unscaledTransform, float scale,
Animation newAnim, Animation anim,
Skeleton newSkeleton)
{
// With the new idea I had for transforming these, I need the tracks
// set up for the parent bones before I can handle the child bones.
for (int i = 0; i < anim.Tracks.Count; ++i) {
AnimationTrack track = anim.Tracks[i];
AnimationTrack newTrack = newAnim.CreateTrack(track.Handle);
Bone targetBone = (Bone)track.TargetNode;
newTrack.TargetNode = newSkeleton.GetBone(targetBone.Handle);
}
// This gets the ordered bone list, and transforms the tracks in
// that order instead.
List<Bone> orderedBoneList = GetOrderedBoneList(null, newSkeleton);
foreach (Bone bone in orderedBoneList)
TransformTrack(unscaledTransform, scale, newAnim, anim, bone);
}
public List<Bone> GetOrderedBoneList(Bone parentBone, Skeleton skel)
{
List<Bone> rv = new List<Bone>();
// Get all the bones that are my children
List<Bone> childBones = new List<Bone>();
for (ushort i = 0; i < skel.BoneCount; ++i) {
Bone bone = skel.GetBone(i);
if (bone.Parent == parentBone)
childBones.Add(bone);
}
rv.AddRange(childBones);
// For each of those bones, get their descendents
foreach (Bone childBone in childBones) {
List<Bone> bones = GetOrderedBoneList(childBone, skel);
rv.AddRange(bones);
}
return rv;
}
protected void TransformAnimation(Matrix4 exportTransform,
Animation newAnim, Animation anim,
Skeleton newSkeleton)
{
foreach (NodeAnimationTrack track in anim.NodeTracks.Values) {
NodeAnimationTrack newTrack = newAnim.CreateNodeTrack(track.Handle);
Bone targetBone = (Bone)track.TargetNode;
newTrack.TargetNode = newSkeleton.GetBone(targetBone.Handle);
TransformTrack(exportTransform, newTrack, track, targetBone);
}
}
public void Apply( Skeleton skeleton, float time, float weight, bool accumulate, float scale )
{
// loop through tracks and update them all with current time
foreach ( KeyValuePair<ushort, NodeAnimationTrack> pair in nodeTrackList )
{
NodeAnimationTrack track = pair.Value;
Bone bone = skeleton.GetBone( pair.Key );
track.ApplyToNode( bone, time, weight, accumulate, scale );
}
}
/// <summary>
/// Utility method to add attachment points to an existing skeleton
/// </summary>
/// <param name="dstDir">the directory to which the modified skeleton will be saved</param>
/// <param name="skelFile">the name of the file to which the modified skeleton will be written</param>
/// <param name="skeleton">the original skeleton</param>
/// <param name="attachPoints">the list of attachment points</param>
private static void AddAttachments( string dstDir,
string skelFile,
Skeleton skeleton,
List<AttachmentPointNode> attachPoints )
{
if( skeleton.AttachmentPoints.Count > 0 &&
attachPoints.Count != skeleton.AttachmentPoints.Count )
log.WarnFormat( "Skeleton attachment points count ({0}) does not match new count ({1})",
skeleton.AttachmentPoints.Count, attachPoints.Count );
foreach( AttachmentPointNode attachPoint in attachPoints )
{
Quaternion rotate;
Vector3 translate, scale;
Matrix4 transform = attachPoint.Transform;
Matrix4.DecomposeMatrix( ref transform, out translate, out rotate, out scale );
Bone parentBone = skeleton.GetBone( attachPoint.ParentBone );
bool isDup = false;
foreach( AttachmentPoint tmp in skeleton.AttachmentPoints )
if( tmp.Name == attachPoint.Name )
isDup = true;
if( isDup )
continue;
skeleton.CreateAttachmentPoint( attachPoint.Name, parentBone.Handle, rotate, translate );
}
OgreSkeletonSerializer skelWriter = new OgreSkeletonSerializer();
skelWriter.ExportSkeleton( skeleton, dstDir + skelFile );
}
public void Apply( Skeleton skeleton, float time, float weight, bool accumulate, float scale )
{
// loop through tracks and update them all with current time
foreach ( var pair in this.nodeTrackList )
{
var track = pair.Value;
var bone = skeleton.GetBone( pair.Key );
track.ApplyToNode( bone, time, weight, accumulate, scale );
}
}
public static void CleanupAnimation(Skeleton skel, Animation anim)
{
Animation newAnim = skel.CreateAnimation("_replacement", anim.Length);
Animation tmpAnim = skel.CreateAnimation("_temporary", anim.Length);
foreach (NodeAnimationTrack track in anim.NodeTracks.Values) {
Bone bone = skel.GetBone((ushort)track.Handle);
NodeAnimationTrack newTrack = newAnim.CreateNodeTrack(track.Handle, bone);
NodeAnimationTrack tmpTrack = tmpAnim.CreateNodeTrack(track.Handle, bone);
int maxFrame = track.KeyFrames.Count;
int lastKeyFrame = -1;
for (int keyFrameIndex = 0; keyFrameIndex < track.KeyFrames.Count; ++keyFrameIndex) {
if (anim.InterpolationMode == InterpolationMode.Linear) {
// Linear is based on one point before and one after.
TransformKeyFrame cur = track.GetTransformKeyFrame(keyFrameIndex);
if (keyFrameIndex == 0 ||
keyFrameIndex == (track.KeyFrames.Count - 1)) {
// Add the key frame if it is the first or last keyframe.
lastKeyFrame = keyFrameIndex;
DuplicateKeyFrame(newTrack, cur);
} else {
// Make sure tmpTrack is clean.. we just use it for interpolation
tmpTrack.RemoveAllKeyFrames();
TransformKeyFrame prior = track.GetTransformKeyFrame(lastKeyFrame);
TransformKeyFrame next = track.GetTransformKeyFrame(keyFrameIndex + 1);
DuplicateKeyFrame(tmpTrack, prior);
DuplicateKeyFrame(tmpTrack, next);
// Check to see if removing this last keyframe will throw off
// any of the other keyframes that were considered redundant.
bool needKeyFrame = false;
for (int i = lastKeyFrame + 1; i <= keyFrameIndex; ++i) {
TransformKeyFrame orig = track.GetTransformKeyFrame(i);
TransformKeyFrame interp = new TransformKeyFrame(tmpTrack, orig.Time);
tmpTrack.GetInterpolatedKeyFrame(orig.Time, interp);
// Is this interpolated frame useful or redundant?
if (!CompareKeyFrames(interp, cur)) {
needKeyFrame = true;
break;
}
}
if (needKeyFrame) {
lastKeyFrame = keyFrameIndex;
DuplicateKeyFrame(newTrack, cur);
}
}
} else if (anim.InterpolationMode == InterpolationMode.Spline) {
// Spline is based on two points before and two after.
TransformKeyFrame cur = track.GetTransformKeyFrame(keyFrameIndex);
#if DISABLED_CODE
if (keyFrameIndex == 0 ||
keyFrameIndex == 1 ||
keyFrameIndex == (track.KeyFrames.Count - 1) ||
keyFrameIndex == (track.KeyFrames.Count - 2)) {
// Add the key frame if it is the first, second, last or second to last keyframe.
DuplicateKeyFrame(newTrack, cur);
} else {
// Make sure tmpTrack is clean.. we just use it for interpolation
tmpTrack.RemoveAllKeyFrames();
TransformKeyFrame prior1 = track.GetTransformKeyFrame(keyFrameIndex - 2);
TransformKeyFrame prior2 = track.GetTransformKeyFrame(keyFrameIndex - 1);
TransformKeyFrame next1 = track.GetTransformKeyFrame(keyFrameIndex + 1);
TransformKeyFrame next2 = track.GetTransformKeyFrame(keyFrameIndex + 2);
DuplicateKeyFrame(tmpTrack, prior1);
DuplicateKeyFrame(tmpTrack, prior2);
DuplicateKeyFrame(tmpTrack, next1);
DuplicateKeyFrame(tmpTrack, next2);
TransformKeyFrame interp = new TransformKeyFrame(tmpTrack, cur.Time);
tmpTrack.GetInterpolatedKeyFrame(cur.Time, interp);
// Is this interpolated frame useful or redundant?
if (!CompareKeyFrames(interp, cur))
DuplicateKeyFrame(newTrack, cur);
}
#else
DuplicateKeyFrame(newTrack, cur);
#endif
} else {
System.Diagnostics.Debug.Assert(false, "Invalid InterpolationMode: " + anim.InterpolationMode);
}
}
}
skel.RemoveAnimation(tmpAnim.Name);
skel.RemoveAnimation(newAnim.Name);
skel.RemoveAnimation(anim.Name);
// Recreate the animation with the proper name (awkward)
anim = skel.CreateAnimation(anim.Name, anim.Length);
foreach (NodeAnimationTrack track in newAnim.NodeTracks.Values) {
Bone bone = skel.GetBone((ushort)track.Handle);
NodeAnimationTrack newTrack = anim.CreateNodeTrack(track.Handle, bone);
foreach (KeyFrame keyFrame in track.KeyFrames)
DuplicateKeyFrame(newTrack, (TransformKeyFrame)keyFrame);
}
}
/// <summary>
/// Set up the attachment point in the skeleton or mesh based on the
/// information in the attachPoint.
/// </summary>
/// <param name="transform">the world transform to apply to this object</param>
/// <param name="attachPoint">the AttachmentPointNode with information about parent bone, and the relative transform</param>
/// <param name="skeleton">the skeleton for whcih we may create the attachment (if there is a parent bone)</param>
/// <param name="mesh">the mesh for which we may create the attachment point (if there is no parent bone)</param>
protected void ProcessAttachmentPointNode( Matrix4 transform,
AttachmentPointNode attachPoint,
Skeleton skeleton, Mesh mesh )
{
string parentName = attachPoint.ParentBone;
Bone parentBone = null;
if( parentName != null )
parentBone = skeleton.GetBone( parentName );
Matrix4 attachPointTransform = attachPoint.Transform;
if( parentBone == null )
{
// The parent bone will already have the transform in the hierarchy
attachPointTransform = transform * attachPointTransform;
}
Quaternion orientation = MathHelpers.GetRotation( attachPointTransform );
Vector3 position = m_UnitConversion * attachPointTransform.Translation;
if( parentBone != null )
skeleton.CreateAttachmentPoint( attachPoint.Name, parentBone.Handle, orientation, position );
else
mesh.CreateAttachmentPoint( attachPoint.Name, orientation, position );
m_Log.InfoFormat( "Created attachment point: {0}", attachPoint.Name );
m_Log.InfoFormat( "Parent Bone: {0}", parentName );
m_Log.InfoFormat( "Orientation: {0}", orientation );
m_Log.InfoFormat( "Position: {0}", position );
}