public BinBVHAnimation()
{
rotationkeys = 0;
positionkeys = 0;
unknown0 = 1;
unknown1 = 0;
Priority = 1;
Length = 0;
ExpressionName = string.Empty;
InPoint = 0;
OutPoint = 0;
Loop = false;
EaseInTime = 0;
EaseOutTime = 0;
HandPose = 1;
m_jointCount = 0;
Joints = new binBVHJoint[1];
Joints[0] = new binBVHJoint();
Joints[0].Name = "mPelvis";
Joints[0].Priority = 7;
Joints[0].positionkeys = new binBVHJointKey[1];
Joints[0].rotationkeys = new binBVHJointKey[1];
Random rnd = new Random();
Joints[0].rotationkeys[0] = new binBVHJointKey();
Joints[0].rotationkeys[0].time = (0f);
Joints[0].rotationkeys[0].key_element.X = ((float)rnd.NextDouble() * 2 - 1);
Joints[0].rotationkeys[0].key_element.Y = ((float)rnd.NextDouble() * 2 - 1);
Joints[0].rotationkeys[0].key_element.Z = ((float)rnd.NextDouble() * 2 - 1);
Joints[0].positionkeys[0] = new binBVHJointKey();
Joints[0].positionkeys[0].time = (0f);
Joints[0].positionkeys[0].key_element.X = ((float)rnd.NextDouble() * 2 - 1);
Joints[0].positionkeys[0].key_element.Y = ((float)rnd.NextDouble() * 2 - 1);
Joints[0].positionkeys[0].key_element.Z = ((float)rnd.NextDouble() * 2 - 1);
}
/// <summary>
/// Read in a Joint from an animation asset byte array
/// Variable length Joint fields, yay!
/// Advances the index
/// </summary>
/// <param name="data">animation asset byte array</param>
/// <param name="i">Byte Offset of the start of the joint</param>
/// <returns>The Joint data serialized into the binBVHJoint structure</returns>
private binBVHJoint readJoint(byte[] data, ref int i)
{
binBVHJointKey[] positions;
binBVHJointKey[] rotations;
binBVHJoint pJoint = new binBVHJoint();
/*
109
84
111
114
114
111
0 <--- Null terminator
*/
pJoint.Name = ReadBytesUntilNull(data, ref i); // Joint name
/*
2 <- Priority Revisited
0
0
0
*/
/*
5 <-- 5 keyframes
0
0
0
... 5 Keyframe data blocks
*/
/*
2 <-- 2 keyframes
0
0
0
.. 2 Keyframe data blocks
*/
if (!BitConverter.IsLittleEndian)
{
pJoint.Priority = Utils.BytesToInt(BinBVHUtil.EndianSwap(data, i, 4)); i += 4; // Joint Priority override?
rotationkeys = Utils.BytesToInt(BinBVHUtil.EndianSwap(data, i, 4)); i += 4; // How many rotation keyframes
}
else
{
pJoint.Priority = Utils.BytesToInt(data, i); i += 4; // Joint Priority override?
rotationkeys = Utils.BytesToInt(data, i); i += 4; // How many rotation keyframes
}
// argh! floats into two bytes!.. bad bad bad bad
// After fighting with it for a while.. -1, to 1 seems to give the best results
rotations = readKeys(data, ref i, rotationkeys, -1f, 1f);
for (int iter = 0; iter < rotations.Length; iter++)
{
rotations[iter].W = 1f -
(rotations[iter].key_element.X + rotations[iter].key_element.Y +
rotations[iter].key_element.Z);
}
if (!BitConverter.IsLittleEndian)
{
positionkeys = Utils.BytesToInt(BinBVHUtil.EndianSwap(data, i, 4)); i += 4; // How many position keyframes
}
else
{
positionkeys = Utils.BytesToInt(data, i); i += 4; // How many position keyframes
}
// Read in position keyframes
// argh! more floats into two bytes!.. *head desk*
// After fighting with it for a while.. -5, to 5 seems to give the best results
positions = readKeys(data, ref i, positionkeys, -5f, 5f);
pJoint.rotationkeys = rotations;
pJoint.positionkeys = positions;
return pJoint;
}
public JointMoveSize(binBVHJoint bvhJoint)
{
joint = bvhJoint;
timeLen = ComputeTime(bvhJoint.rotationkeys) + ComputeTime(bvhJoint.positionkeys);
posLen = ComputeMotion(bvhJoint.rotationkeys) + ComputeMotion(bvhJoint.positionkeys);
}
