void ReadFrames(BinaryReader br, ref Vmd vmd)
{
Frame currentFrame = new Frame {
Index = 0
};
var baseStream = br.BaseStream;
try
{
while (baseStream.Position != baseStream.Length)
{
var bone = new Bone();
string boneName = ReadString(br, 15);
// EOF checking workaround: For some reason baseStream checking doesn't work
if (string.IsNullOrEmpty(boneName))
{
break;
}
int frameIdx = br.ReadInt32();
// Finalize and register the current frame and create a new instance when the frame index increases
if (currentFrame.Index != frameIdx)
{
if (currentFrame.Index > frameIdx)
{
throw new Exception("Frame indices are not sorted in ascending order.");
}
vmd.Frames.Add(currentFrame);
currentFrame = new Frame {
Index = frameIdx
};
}
// Read bone data and set to the current frame
bone.Name = boneName;
float x = br.ReadSingle();
float y = br.ReadSingle();
float z = br.ReadSingle();
bone.Position = new Vector3(x, y, z);
float qx = br.ReadSingle();
float qy = br.ReadSingle();
float qz = br.ReadSingle();
float qw = br.ReadSingle();
bone.Quaternion = new Quaternion(qx, qy, qz, qw);
bone.InterpolationParameters = br.ReadBytes(64).ToList();
currentFrame.Bones.Add(boneName, bone);
}
// Register the last frame
vmd.Frames.Add(currentFrame);
}
catch (Exception ex)
{
string msg = $"Following error occured while reading {_path}:\n {ex.Message}";
ErrorHandler.AskTermination(msg);
}
}
