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/* Copyright: "i couldn't care less what anyone does with the 5 lines of code i wrote" - mm0zct */
#include "ftnoir_tracker_rift.h"
#include "facetracknoir/global-settings.h"
#include "OVR_CAPI.h"
#include "Kernel/OVR_Math.h"
#include <cstdio>
using namespace OVR;
Rift_Tracker::Rift_Tracker() :
should_quit(false), old_yaw(0), hmd(nullptr)
{
}
Rift_Tracker::~Rift_Tracker()
{
ovrHmd_Destroy(hmd);
ovr_Shutdown();
}
void Rift_Tracker::StartTracker(QFrame*)
{
ovr_Initialize();
hmd = ovrHmd_Create(0);
if (hmd)
{
ovrHmd_GetDesc(hmd, &hmdDesc);
ovrHmd_StartSensor(hmd, ovrSensorCap_Orientation| ovrSensorCap_YawCorrection | ovrSensorCap_Position, ovrSensorCap_Orientation);
}else{
QMessageBox::warning(0,"FaceTrackNoIR Error", "Unable to start Rift tracker",QMessageBox::Ok,QMessageBox::NoButton);
}
}
void Rift_Tracker::GetHeadPoseData(double *data)
{
if (hmd)
{
frameTiming = ovrHmd_BeginFrameTiming(hmd, 0);
ovrSensorState ss = ovrHmd_GetSensorState(hmd, frameTiming.ScanoutMidpointSeconds);
if(ss.StatusFlags & (ovrStatus_OrientationTracked | ovrStatus_PositionTracked)){
ovrPosef pose = ss.Predicted.Pose;
Quatf quat = pose.Orientation;
float yaw, pitch, roll;
quat.GetEulerAngles<Axis_Y, Axis_X, Axis_Z>(&yaw, &pitch, &roll);
if (s.useYawSpring)
{
yaw = old_yaw*s.persistence + (yaw-old_yaw);
if(yaw > s.deadzone)
yaw -= s.constant_drift;
if(yaw < -s.deadzone)
yaw += s.constant_drift;
old_yaw=yaw;
}
if (s.bEnableYaw) {
data[Yaw] = yaw * 57.295781f;
}
if (s.bEnablePitch) {
data[Pitch] = pitch * 57.295781f;
}
if (s.bEnableRoll) {
data[Roll] = roll * 57.295781f;
}
ovrHmd_EndFrameTiming(hmd);
}
}
}
extern "C" FTNOIR_TRACKER_BASE_EXPORT ITracker* CALLING_CONVENTION GetConstructor()
{
return new Rift_Tracker;
}
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