//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
if (FFileNameIn.IsChanged)
{
if (FFileNameIn[0].EndsWith(".bvh"))
{
FSkeleton = null;
//load BVH file
if (FBVHLoader.Load(FFileNameIn[0]))
{
//set frame count and second per frame
FFramesOut.SliceCount = 1;
FFrameTimeOut.SliceCount = 1;
FFramesOut[0] = FBVHLoader.FrameCount;
FFrameTimeOut[0] = FBVHLoader.FrameTime;
//set Skeleton Output
FSkeleton = FBVHLoader.Skeleton;
FSkeletonOutput.SliceCount = 1;
FSkeletonOutput.SetInterface(FSkeleton);
FSkeletonOutput.MarkPinAsChanged();
}
else
{
//reset frame count and second per frame
FFramesOut.SliceCount = 0;
FFrameTimeOut.SliceCount = 0;
//reset Skeleton Output
FSkeletonOutput.SliceCount = 0;
FSkeletonOutput.MarkPinAsChanged();
FLogger.Log(LogType.Debug, "BVH load error");
}
}
else
{
FSkeleton = null;
FBVHLoader.Unload();
//reset frame count and second per frame
FFramesOut.SliceCount = 0;
FFrameTimeOut.SliceCount = 0;
//reset Skeleton Output
FSkeletonOutput.SliceCount = 0;
FSkeletonOutput.MarkPinAsChanged();
}
}
if (FFrameIn.IsChanged)
{
if (FSkeleton != null)
{
//update Skeleton (be sure frame ID <= frame count)
FBVHLoader.UpdateSkeleton(FFrameIn[0] % FBVHLoader.FrameCount);
//set Skeleton Output
FSkeleton = FBVHLoader.Skeleton;
FSkeletonOutput.SetInterface(FSkeleton);
FSkeletonOutput.MarkPinAsChanged();
}
}
//FLogger.Log(LogType.Debug, "Logging to Renderer (TTY)");
}
