gistfile1.txt

static SurvivePose survivePoseFromDevicePose(const vr::TrackedDevicePose_t &dpose) {
	auto &mat = dpose.mDeviceToAbsoluteTracking.m;
	FLT matrix33[] = {mat[0][0], mat[0][1], mat[0][2], mat[1][0], mat[1][1],
					  mat[1][2], mat[2][0], mat[2][1], mat[2][2]};

	SurvivePose p = {};
	for (int i = 0; i < 3; i++) {
		p.Pos[i] = mat[i][3];
	}
	quatfrommatrix33(p.Rot, matrix33);
	return p;
}