unsigned OpenVRSystem::n_instances = 0;
-OpenVRSystem::OpenVRSystem()
+OpenVRSystem::OpenVRSystem():
+ n_tracked_devices(0)
{
if(!n_instances)
{
throw runtime_error("OpenVR compositor initialization failed");
vr::VRCompositor()->SetTrackingSpace(vr::TrackingUniverseSeated);
+
+ for(unsigned i=0; i<vr::k_unMaxTrackedDeviceCount; ++i)
+ if(vr_sys->IsTrackedDeviceConnected(i))
+ n_tracked_devices = i+1;
+
+ tracking_matrices.resize(n_tracked_devices);
}
OpenVRSystem::~OpenVRSystem()
void OpenVRSystem::update_pose_matrices()
{
vector<vr::TrackedDevicePose_t> poses;
- poses.resize(vr::k_unTrackedDeviceIndex_Hmd+1);
+ poses.resize(n_tracked_devices);
vr::VRCompositor()->WaitGetPoses(&poses[0], poses.size(), 0, 0);
- vr::TrackedDevicePose_t &hmd_pose = poses[vr::k_unTrackedDeviceIndex_Hmd];
- if(hmd_pose.bPoseIsValid)
- hmd_matrix = convert_matrix(hmd_pose.mDeviceToAbsoluteTracking);
+ for(unsigned i=0; i<n_tracked_devices; ++i)
+ if(poses[i].bPoseIsValid)
+ tracking_matrices[i] = convert_matrix(poses[i].mDeviceToAbsoluteTracking);
+}
+
+const GL::Matrix &OpenVRSystem::get_tracking_matrix(unsigned index) const
+{
+ if(index>=tracking_matrices.size())
+ throw out_of_range("OpenVRSystem::get_tracking_matrix");
+
+ return tracking_matrices[index];
+}
+
+const GL::Matrix &OpenVRSystem::get_hmd_matrix() const
+{
+ return get_tracking_matrix(vr::k_unTrackedDeviceIndex_Hmd);
}
} // namespace VR