public override IEnumerator StartDetection(GestureOption option)
{
#if VIVEHANDTRACKING_WITH_WAVEVR && !UNITY_EDITOR
// retry at most 5 times if camera is not ready
int count = 5;
#else
int count = 1;
#endif
while (count > 0)
{
State.Error = GestureInterface.StartGestureDetection(option);
if (State.Error == GestureFailure.Camera && count > 1)
{
Debug.LogError("Start camera failed, retrying...");
yield return(new WaitForSeconds(0.5f));
count--;
continue;
}
else if (State.Error != GestureFailure.None)
{
Debug.LogError("Start gesture detection failed: " + State.Error);
State.Status = GestureStatus.Error;
}
else
{
State.Mode = option.mode;
State.Status = GestureStatus.Starting;
}
break;
}
}
void Update()
{
if (Status == GestureStatus.NotStarted || Status == GestureStatus.Error)
{
return;
}
UpdatedInThisFrame = false;
IntPtr ptr;
int index;
var size = GestureInterface.GetGestureResult(out ptr, out index);
if (index < 0)
{
#if VIVEHANDTRACKING_WITH_WAVEVR
WaveVR_Log.Log.e("Aristo", "Gesture detection stopped");
#else
Debug.LogError("Gesture detection stopped");
#endif
Status = GestureStatus.Error;
Error = GestureFailure.Internal;
return;
}
else if (Status == GestureStatus.Starting && index > 0)
{
Status = GestureStatus.Running;
}
if (index <= lastIndex)
{
return;
}
lastIndex = index;
UpdatedInThisFrame = true;
LeftHand = RightHand = null;
if (size <= 0)
{
return;
}
var structSize = Marshal.SizeOf(typeof(GestureResultRaw));
for (var i = 0; i < size; i++)
{
var gesture = (GestureResultRaw)Marshal.PtrToStructure(ptr, typeof(GestureResultRaw));
ptr = new IntPtr(ptr.ToInt64() + structSize);
for (int j = 0; j < 21; j++)
{
gesture.points[j] = transform.TransformPoint(gesture.points[j]);
}
if (gesture.isLeft)
{
LeftHand = new GestureResult(gesture);
}
else
{
RightHand = new GestureResult(gesture);
}
}
}
public override void UpdateResult()
{
var transform = GestureProvider.Current.transform;
GestureInterface.SetCameraTransform(transform.position, transform.rotation);
IntPtr ptr;
int index;
var size = GestureInterface.GetGestureResult(out ptr, out index);
if (index < 0)
{
Debug.LogError("Gesture detection stopped");
State.Status = GestureStatus.Error;
State.Error = GestureFailure.Internal;
return;
}
if (index <= lastIndex)
{
return;
}
lastIndex = index;
State.UpdatedInThisFrame = true;
State.LeftHand = State.RightHand = null;
if (size <= 0)
{
return;
}
var structSize = Marshal.SizeOf(typeof(GestureResultRaw));
for (var i = 0; i < size; i++)
{
var gesture = (GestureResultRaw)Marshal.PtrToStructure(ptr, typeof(GestureResultRaw));
ptr = new IntPtr(ptr.ToInt64() + structSize);
if (gesture.isLeft)
{
State.LeftHand = new GestureResult(gesture);
}
else
{
State.RightHand = new GestureResult(gesture);
}
}
}
void StartGestureDetection()
{
if (Status == GestureStatus.Starting || Status == GestureStatus.Running)
{
return;
}
Error = GestureInterface.StartGestureDetection(option);
if (Error != GestureFailure.None)
{
#if VIVEHANDTRACKING_WITH_WAVEVR
WaveVR_Log.Log.e("Aristo", "Start gesture detection failed: " + Error);
#else
Debug.LogError("Start gesture detection failed: " + Error);
#endif
Status = GestureStatus.Error;
}
else
{
Mode = option.mode;
HaveSkeleton = Mode == GestureMode.Skeleton;
Status = GestureStatus.Starting;
}
}
IEnumerator Start()
{
Screen.sleepTimeout = SleepTimeout.NeverSleep;
#if UNITY_ANDROID
#if VIVEHANDTRACKING_WITH_WAVEVR
// setup wavevr rendering
if (transform.GetComponent <WaveVR_Render>() == null)
{
Destroy(transform.GetComponent <AudioListener>());
Destroy(transform.GetComponent <FlareLayer>());
gameObject.AddComponent <WaveVR_Render>();
var tracker = gameObject.AddComponent <WaveVR_DevicePoseTracker>();
#if VIVEHANDTRACKING_WITH_WAVEVR3
tracker.type = WaveVR_Controller.EDeviceType.Head;
#else
tracker.type = wvr.WVR_DeviceType.WVR_DeviceType_HMD;
#endif
}
yield return(WaitForReady());
// get camera permission
var pmInstance = WaveVR_PermissionManager.instance;
while (!pmInstance.isInitialized())
{
yield return(null);
}
bool granting = true;
bool hasPermission = pmInstance.isPermissionGranted(permissionNames[0]);
WaveVR_PermissionManager.requestCompleteCallback callback = (results) => {
granting = false;
if (results.Count > 0 && results[0].Granted)
{
hasPermission = true;
}
};
while (!hasPermission)
{
granting = true;
pmInstance.requestPermissions(permissionNames, callback);
while (granting)
{
yield return(null);
}
}
#elif VIVEHANDTRACKING_WITH_GOOGLEVR
// get camera permission using daydream API
if (UnityEngine.VR.VRSettings.loadedDeviceName == "daydream")
{
var permissionRequester = GvrPermissionsRequester.Instance;
bool granting = true;
Action <GvrPermissionsRequester.PermissionStatus[]> callback = (results) => granting = false;
while (!permissionRequester.IsPermissionGranted(permissionNames[0]))
{
granting = true;
permissionRequester.RequestPermissions(permissionNames, callback);
while (granting)
{
yield return(null);
}
}
}
#elif UNITY_2018_3_OR_NEWER
// Unity 2018.3 or newer adds support for android runtime permission
while (!Permission.HasUserAuthorizedPermission(Permission.Camera))
{
Permission.RequestUserPermission(Permission.Camera);
yield return(null);
}
#else
while (!Application.HasUserAuthorization(UserAuthorization.WebCam))
{
yield return(Application.RequestUserAuthorization(UserAuthorization.WebCam));
}
#endif
#endif
GestureInterface.UseExternalTransform(true);
// start detection
StartGestureDetection();
initialized = true;
yield break;
}
void StopGestureDetection()
{
GestureInterface.StopGestureDetection();
ClearState();
}
public override IEnumerator Setup()
{
lastIndex = -1;
var transform = GestureProvider.Current.transform;
var gameObject = GestureProvider.Current.gameObject;
#if UNITY_ANDROID && !UNITY_EDITOR
#if VIVEHANDTRACKING_WITH_WAVEVR
// get camera permission
var pmInstance = WaveVR_PermissionManager.instance;
while (!pmInstance.isInitialized())
{
yield return(null);
}
bool granting = true;
bool hasPermission = pmInstance.isPermissionGranted(permissionNames[0]);
WaveVR_PermissionManager.requestCompleteCallback callback = (results) => {
granting = false;
if (results.Count > 0 && results[0].Granted)
{
hasPermission = true;
}
};
while (!hasPermission)
{
granting = true;
pmInstance.requestPermissions(permissionNames, callback);
while (granting)
{
yield return(null);
}
}
#elif VIVEHANDTRACKING_WITH_GOOGLEVR
// get camera permission using daydream API
if (UnityEngine.VR.VRSettings.loadedDeviceName == "daydream")
{
var permissionRequester = GvrPermissionsRequester.Instance;
bool granting = true;
Action <GvrPermissionsRequester.PermissionStatus[]> callback = (results) => granting = false;
while (!permissionRequester.IsPermissionGranted(permissionNames[0]))
{
granting = true;
permissionRequester.RequestPermissions(permissionNames, callback);
while (granting)
{
yield return(null);
}
}
}
#elif UNITY_2018_3_OR_NEWER
// Unity 2018.3 or newer adds support for android runtime permission
while (!Permission.HasUserAuthorizedPermission(Permission.Camera))
{
Permission.RequestUserPermission(Permission.Camera);
yield return(null);
}
#else
while (!Application.HasUserAuthorization(UserAuthorization.WebCam))
{
yield return(Application.RequestUserAuthorization(UserAuthorization.WebCam));
}
#endif
#endif
GestureInterface.UseExternalTransform(true);
yield break;
}
public override void StopDetection()
{
GestureInterface.StopGestureDetection();
lastIndex = -1;
}