void UserTracker::onNewFrame(nite::UserTracker &tracker)
{
nite::Status rc = tracker.readFrame(&userTrackerFrame);
if (rc != nite::STATUS_OK)
{
check_error(rc);
return;
}
user_map = userTrackerFrame.getUserMap();
mutex->lock();
{
const nite::Array<nite::UserData>& users = userTrackerFrame.getUsers();
for (int i = 0; i < users.getSize(); i++)
users_data.push_back(users[i]);
}
mutex->unlock();
{
openni::VideoFrameRef frame = userTrackerFrame.getDepthFrame();
const unsigned short *pixels = (const unsigned short*)frame.getData();
int w = frame.getVideoMode().getResolutionX();
int h = frame.getVideoMode().getResolutionY();
int num_pixels = w * h;
pix.allocate(w, h, 1);
pix.getBackBuffer().setFromPixels(pixels, w, h, OF_IMAGE_GRAYSCALE);
pix.swap();
}
}
// EXPORT FUNCTION:Init()
__declspec(dllexport) bool __stdcall OpenNIInit( HWND hWnd, bool EngFlag, LPDIRECT3DDEVICE9 lpDevice, WCHAR* f_path, CHAR* onifilename )
{
TrackingF=false;
for( int i = 0; i < 15; ++ i )
TrCount[i] = 0;
SetCurrentDirectoryW( f_path );
if( nite::NiTE::initialize() == nite::STATUS_OK )
{
if( g_UserTracker.create() == nite::STATUS_OK )
{
nite::UserTrackerFrameRef mUserFrame;
if( g_UserTracker.readFrame( &mUserFrame ) == nite::STATUS_OK )
{
openni::VideoFrameRef mDepthMap = mUserFrame.getDepthFrame();
int x = mDepthMap.getWidth(),
y = mDepthMap.getHeight();
texWidth = getClosestPowerOfTwo( x / 4 );
texHeight = getClosestPowerOfTwo( y / 4 );
if( FAILED( lpDevice->CreateTexture( texWidth, texHeight, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &DepthTex, NULL ) ) )
{
MessageBox( hWnd, L"Cannot create depth texture", L"NiTE2", MB_OK );
OpenNIClean();
return false;
}
return true;
}
else
{
printError( hWnd, "UserTracker.readFrame" );
MessageBox( hWnd, L"Cannot read user tracker frame", L"NiTE2", MB_OK );
OpenNIClean();
return false;
}
}
else
{
printError( hWnd, "UserTracker.create" );
MessageBox( hWnd, L"Cannot create user tracker", L"NiTE2", MB_OK );
OpenNIClean();
return false;
}
}
else
{
printError( hWnd, "Init" );
MessageBox( hWnd, L"Cannot initial NiTE", L"NiTE2", MB_OK );
return false;
}
}
void PlayerTracker::onNewFrame(nite::UserTracker& userTracker)
{
{
const juce::ScopedLock sL(trackerAccess);
userTracker.readFrame(&userTrackerFrame);
}
if (niteRc != nite::STATUS_OK)
{
return;
}
const nite::Array<nite::UserData>& users = userTrackerFrame.getUsers();
for (int i = 0; i < users.getSize(); ++i) {
const nite::UserData& user = users[i];
updateUserState(user,userTrackerFrame.getTimestamp());
if (user.isNew())
{
userTracker.startSkeletonTracking(user.getId());
userTracker.setSkeletonSmoothingFactor(.85f);
}
else if (user.getSkeleton().getState() == nite::SKELETON_TRACKED)
{
//If hands positions have not enough confidence, this frame is skipped
if (! handsTracker.update(user.getSkeleton()))
return;
if (transportGesture.checkTransportGesture(handsTracker, user.getSkeleton()))
{
if (transportGesture.getTransportStatus() == TransportGesture::PLAY)
{
activateMusicalGestureDetection();
sequencer->play();
}
else if (transportGesture.getTransportStatus() == TransportGesture::PAUSE)
{
deactivateMusicalGestureDetection();
sequencer->pause();
}
else if (transportGesture.getTransportStatus() == TransportGesture::STOP)
{
deactivateMusicalGestureDetection();
sequencer->stop();
}
}
//Detect expression changes
if (musicalGestureDetectionActivated && expressionGesture.checkExpressionGesture(handsTracker, user.getSkeleton()))
{
sequencer->setExpression(expressionGesture.getExpressionDetected());
}
//Detect tempo changes
if (musicalGestureDetectionActivated && tempoGesture.checkTempoGesture(handsTracker, user.getSkeleton()))
{
sequencer->setTempo(tempoGesture.getTempo());
}
//Send hands position to game (display hands as spheres)
Sim::postEvent(Sim::getRootGroup(), new HandsMove(handsTracker.torqueCoordinatesLeftHand, handsTracker.torqueCoordinatesRightHand), -1);
}
}
}
// EXPORT FUNCTION:DrawDepthMap()
__declspec(dllexport) void __stdcall OpenNIDrawDepthMap( bool waitflag )
{
nite::UserTrackerFrameRef mUserFrame;
if( g_UserTracker.readFrame( &mUserFrame ) == nite::STATUS_OK )
{
const nite::UserMap& rUserMap = mUserFrame.getUserMap();
const nite::UserId* pLabels = rUserMap.getPixels();
openni::VideoFrameRef mDepthMap = mUserFrame.getDepthFrame();
const openni::DepthPixel* pDepth = static_cast<const openni::DepthPixel*>( mDepthMap.getData() );
int iXRes = mDepthMap.getWidth(),
iYRes = mDepthMap.getHeight();
D3DLOCKED_RECT LPdest;
DepthTex->LockRect(0,&LPdest,NULL, 0);
UCHAR *pDestImage=(UCHAR*)LPdest.pBits;
// Calculate the accumulative histogram
ZeroMemory( g_pDepthHist, MAX_DEPTH * sizeof(float) );
UINT nValue=0;
UINT nNumberOfPoints = 0;
for( int nY = 0; nY < iYRes; ++ nY )
{
for( int nX = 0; nX < iXRes; ++ nX )
{
nValue = *pDepth;
if(nValue !=0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for( int nIndex = 1; nIndex < MAX_DEPTH; nIndex++ )
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if( nNumberOfPoints )
{
for( int nIndex = 1; nIndex < MAX_DEPTH; nIndex++ )
{
g_pDepthHist[nIndex] = (float)((UINT)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints))));
}
}
UINT nHistValue = 0;
if( g_bDrawPixels )
{
// Prepare the texture map
for( int nY = 0; nY < iYRes; nY += 4 )
{
for( int nX=0; nX < iXRes; nX += 4 )
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
pDestImage[3] = 0;
if( g_bDrawBackground )
{
nValue = *pDepth;
nite::UserId label = *pLabels;
int nColorID = label % NCOLORS;
if( label == 0 )
nColorID = NCOLORS;
if(nValue != 0)
{
nHistValue = (UINT)(g_pDepthHist[nValue]);
pDestImage[0] = (UINT)(nHistValue * Colors[nColorID][0]);
pDestImage[1] = (UINT)(nHistValue * Colors[nColorID][1]);
pDestImage[2] = (UINT)(nHistValue * Colors[nColorID][2]);
pDestImage[3] = 255;
}
}
pDepth += 4;
pLabels += 4;
pDestImage += 4;
}
int pg = iXRes * 3;
pDepth += pg;
pLabels += pg;
pDestImage += (texWidth - iXRes)*4+pg;
}
}
else
{
memset( LPdest.pBits, 0, 4 * 2 * iXRes * iYRes );
}
DepthTex->UnlockRect(0);
const nite::Array<nite::UserData>& aUsers = mUserFrame.getUsers();
for( int iIdx = 0; iIdx < aUsers.getSize(); ++ iIdx )
{
const nite::UserData& rUser = aUsers[iIdx];
if( rUser.isNew() )
{
g_UserTracker.startPoseDetection( rUser.getId(), nite::POSE_PSI );
}
else
{
const nite::PoseData& rPose = rUser.getPose( nite::POSE_PSI );
if( rPose.isEntered() )
{
g_UserTracker.stopPoseDetection( rUser.getId(), nite::POSE_PSI );
g_UserTracker.startSkeletonTracking( rUser.getId() );
}
const nite::Skeleton& rSkeleton = rUser.getSkeleton();
if( rSkeleton.getState() == nite::SKELETON_TRACKED )
{
if( TrCount[iIdx] < 4 )
{
TrCount[iIdx]++;
if( TrCount[iIdx] == 4 )
{
TrackingF = true;
const nite::Point3f& rPos = rSkeleton.getJoint( nite::JOINT_TORSO ).getPosition();
g_BP_Zero.x = rPos.x;
g_BP_Zero.z = rPos.z;
g_BP_Zero.y = float( rSkeleton.getJoint( nite::JOINT_LEFT_HIP ).getPosition().y + rSkeleton.getJoint( nite::JOINT_RIGHT_HIP ).getPosition().y ) / 2;
}
}
PosCalc( rSkeleton, nite::JOINT_TORSO, &BP_Vector[0] );
PosCalc( rSkeleton, nite::JOINT_NECK, &BP_Vector[1]);
PosCalc( rSkeleton, nite::JOINT_HEAD, &BP_Vector[2]);
PosCalc( rSkeleton, nite::JOINT_LEFT_SHOULDER, &BP_Vector[3]);
PosCalc( rSkeleton, nite::JOINT_LEFT_ELBOW, &BP_Vector[4]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_SHOULDER, &BP_Vector[6]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_ELBOW, &BP_Vector[7]);
PosCalc( rSkeleton, nite::JOINT_LEFT_HIP, &BP_Vector[9]);
PosCalc( rSkeleton, nite::JOINT_LEFT_KNEE, &BP_Vector[10]);
PosCalc( rSkeleton, nite::JOINT_LEFT_FOOT, &BP_Vector[11]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_HIP, &BP_Vector[12]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_KNEE, &BP_Vector[13]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_FOOT, &BP_Vector[14]);
PosCalc( rSkeleton, nite::JOINT_TORSO, &BP_Vector[15]);
PosCalc( rSkeleton, nite::JOINT_LEFT_HAND, &BP_Vector[16]);
PosCalc( rSkeleton, nite::JOINT_RIGHT_HAND, &BP_Vector[17]);
//PosCalc( rSkeleton, nite::XN_SKEL_LEFT_WRIST, &BP_Vector[5]);
//PosCalc( rSkeleton, nite::XN_SKEL_RIGHT_WRIST, &BP_Vector[8]);
BP_Vector[5] = BP_Vector[16];
BP_Vector[8] = BP_Vector[17];
BP_Vector[0].y = ( BP_Vector[9].y + BP_Vector[12].y ) / 2.0f;
break;
}
else
{
TrCount[iIdx]=0;
}
}
}
}
}