public MatrixIndexer(List <float[]> fFrames, BVHContent bvh)
{
for (int f = 0; f < fFrames.Count; f++)
{
indices.Add(new List <int>()); //Add new frame to collection.
for (int b = 0; b < bvh.Skeleton.BoneCount; b++)
{
#region Set indices
BVHNode bone = bvh[b];
FrameCalc fc = bone.calc_fc_from_frame(fFrames[f]); //get frame calc of current matrix.
indices[indices.Count - 1].Add(get_index(fc, b, f)); //find index of matrix and add it to frame.
#endregion
}
}
#region Calculate matrices from frmCalcs
matrices = new Matrix[frmCalcs.Count];
for (int i = 0; i < matrices.Length; i++)
{
matrices[i] = frmCalcs[i].calc_frame();
}
#endregion
frmCalcs = null;//Allows Garbage Collector to dispose
}
/// <summary>
/// Calculates a FrameCalc from a given frame.
/// </summary>
/// <param name="arr">Frame values.</param>
/// <returns>FrameCalc of this node.</returns>
public FrameCalc calc_fc_from_frame(float[] arr)
{
FrameCalc frame = new FrameCalc(this.Name, this.Offset);
for (int i = 0; i < Channels.Length; i++)
{
BoneChannel bc = Channels[i];
frame.update_channel_values(bc.channel, arr[bc.pifl]);
}
return(frame);
}
/// <summary>
/// If f is not in collection, add it.
/// </summary>
/// <param name="f">Frame matrix information of one bone.</param>
/// <returns>The index of the frame in collection.</returns>
private int get_index(FrameCalc f, int boneid, int frame)
{
if (frame > 0)
{
if (frmCalcs[indices[frame - 1][boneid]] == f)
{
return(indices[frame - 1][boneid]);
}
}
frmCalcs.Add(f); //not found in collection, so add.
return(frmCalcs.Count - 1);
}
