private static void ConvertJointFrame(JointFrame jfDest, string jointName, FrameElement srcFrame)
{
Matrix3D matrix;
switch (jointName)
{
case "hip":
matrix = jfDest.Matrix;
JointFrame jfRoot = srcFrame.GetJointFrame("root");
Matrix3D rootMatrix = jfRoot.Matrix;
rootMatrix.OffsetX *= 4;
rootMatrix.OffsetY *= 4;
rootMatrix.OffsetZ *= 4;
rootMatrix.OffsetY += 12;
matrix.Append(rootMatrix);
jfDest.Matrix = matrix;
break;
case "abdomen":
matrix = jfDest.Matrix;
JointFrame jfLower = srcFrame.GetJointFrame("lower_body");
Matrix3D lowerMatrix = jfLower.Matrix;
lowerMatrix.Invert();
matrix.Append(lowerMatrix);
jfDest.Matrix = matrix;
break;
case "lShldr":
matrix = jfDest.Matrix;
matrix.RotatePrepend(new Quaternion(new Vector3D(0, 0, 1), -35));
jfDest.Matrix = matrix;
break;
case "lForeArm":
case "lHand":
matrix = jfDest.Matrix;
matrix.RotatePrepend(new Quaternion(new Vector3D(0, 0, 1), -35));
matrix.Rotate(new Quaternion(new Vector3D(0, 0, 1), 35));
jfDest.Matrix = matrix;
break;
case "rShldr":
// jfDest.AddValue("Zrotation", 35);
matrix = jfDest.Matrix;
matrix.RotatePrepend(new Quaternion(new Vector3D(0, 0, 1), 35));
jfDest.Matrix = matrix;
break;
case "rForeArm":
case "rHand":
matrix = jfDest.Matrix;
matrix.RotatePrepend(new Quaternion(new Vector3D(0, 0, 1), 35));
matrix.Rotate(new Quaternion(new Vector3D(0, 0, 1), -35));
jfDest.Matrix = matrix;
break;
}
}
private void UpdateFrame()
{
if (m_bvh == null)
{
return;
}
FrameElement frame = m_bvh.FrameList[(int)slider1.Value];
foreach (CompositeElement joint in m_bvh.JointList)
{
JointFrame jf = frame.GetJointFrame(joint.Name);
Transform3DGroup tg = (Transform3DGroup)joint.Visual.Transform;
MatrixTransform3D transform = (MatrixTransform3D)tg.Children[0];
transform.Matrix = jf.Matrix;
}
}
public BVH Convert()
{
BVH dest = SLTemplate();
dest.Frames.Value = m_src.Frames.Value + 1;
dest.FrameTime.Value = m_src.FrameTime.Value;
dest.FrameList.Clear();
FrameElement firstFrame = new FrameElement(dest);
firstFrame.GetJointFrame("hip").SetValue("Yposition", 43.5285);
dest.FrameList.Add(firstFrame);
foreach (FrameElement frame in m_src.FrameList)
{
dest.FrameList.Add(ConvertFrame(dest, frame));
}
return(dest);
}
private FrameElement ConvertFrame(BVH dest, FrameElement srcFrame)
{
FrameElement destFrame = new FrameElement(dest);
foreach (CompositeElement joint in dest.JointList)
{
JointFrame jfDest = destFrame.GetJointFrame(joint.Name);
JointFrame jfSrc = srcFrame.GetJointFrame(GetSrcJointName(joint.Name));
if (jfSrc == null)
{
continue;
}
foreach (string channel in new string[] { "Zrotation", "Xrotation", "Yrotation" })
{
jfDest.SetValue(channel, jfSrc.GetValue(channel));
}
ConvertJointFrame(jfDest, joint.Name, srcFrame);
}
return(destFrame);
}
private void Add(Element child)
{
RootElement root = child as RootElement;
if (root != null)
{
m_root = root;
return;
}
FramesElement frames = child as FramesElement;
if (frames != null)
{
m_frames = frames;
return;
}
FrameTimeElement frame_time = child as FrameTimeElement;
if (frame_time != null)
{
m_frame_time = frame_time;
return;
}
FrameElement frame = child as FrameElement;
if (frame != null)
{
m_frame_list.Add(frame);
return;
}
throw new NotSupportedException();
}
public void Load(Stream stream)
{
using (StreamReader reader = new StreamReader(stream))
{
Element current = null;
Stack <Element> stack = new Stack <Element>();
while (!reader.EndOfStream)
{
string line = reader.ReadLine().Trim();
string[] fields = line.Split(' ', '\t');
switch (fields[0])
{
case "":
continue;
case "{":
stack.Push(current);
continue;
case "}":
stack.Pop();
continue;
case "HIERARCHY":
continue;
case "ROOT":
current = new RootElement(this, fields[1]);
break;
case "JOINT":
current = new JointElement(this, fields[1]);
break;
case "End":
current = new EndSiteElement(this, fields[1]);
break;
case "OFFSET":
current = new OffsetElement(fields[1], fields[2], fields[3]);
break;
case "CHANNELS":
current = new ChannelsElement(fields);
break;
case "MOTION":
continue;
case "Frames:":
current = new FramesElement(fields[1]);
break;
case "Frame":
current = new FrameTimeElement(fields[2]);
break;
default:
current = new FrameElement(this, fields);
break;
}
if (stack.Count == 0)
{
this.Add(current);
}
else
{
CompositeElement parent = stack.Peek() as CompositeElement;
parent.Add(current);
}
}
}
}
