From aa066bdd4622d4f6824fee864f6be6806813f04d Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 30 Oct 2015 07:37:41 +0100
Subject: move to subdirectory-based build system

Closes #224
---
 tracker-rift-080/ftnoir_tracker_rift_080.cpp | 75 ++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 tracker-rift-080/ftnoir_tracker_rift_080.cpp

(limited to 'tracker-rift-080/ftnoir_tracker_rift_080.cpp')

diff --git a/tracker-rift-080/ftnoir_tracker_rift_080.cpp b/tracker-rift-080/ftnoir_tracker_rift_080.cpp
new file mode 100644
index 00000000..889ac8c3
--- /dev/null
+++ b/tracker-rift-080/ftnoir_tracker_rift_080.cpp
@@ -0,0 +1,75 @@
+/* Copyright: "i couldn't care less what anyone does with the 5 lines of code i wrote" - mm0zct */
+#include "ftnoir_tracker_rift_080.h"
+#include "opentrack/plugin-api.hpp"
+#include "OVR_CAPI.h"
+#include "Extras/OVR_Math.h"
+#include "OVR_CAPI_0_8_0.h"
+#include <cstdio>
+
+using namespace OVR;
+
+Rift_Tracker::Rift_Tracker() : old_yaw(0), hmd(nullptr)
+{
+}
+
+Rift_Tracker::~Rift_Tracker()
+{
+    if (hmd)
+        ovr_Destroy(hmd);
+    ovr_Shutdown();
+}
+
+void Rift_Tracker::start_tracker(QFrame*)
+{
+    {
+        ovrInitParams args = {0};
+        if (!OVR_SUCCESS(ovr_Initialize(&args)))
+            goto error;
+    }
+    {
+        ovrGraphicsLuid luid = {0};
+        ovrResult res = ovr_Create(&hmd, &luid);
+        if (OVR_SUCCESS(res))
+        {
+            ovr_ConfigureTracking(hmd, ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection | ovrTrackingCap_Position, ovrTrackingCap_Orientation);
+        }
+        else
+            goto error;
+    }
+    return;
+error:
+    QMessageBox::warning(0,"Error", "Unable to start Rift tracker",QMessageBox::Ok,QMessageBox::NoButton);
+}
+
+void Rift_Tracker::data(double *data)
+{
+    if (hmd)
+    {
+        ovrTrackingState ss = ovr_GetTrackingState(hmd, 0, false);
+        if(ss.StatusFlags & ovrStatus_OrientationTracked) {
+            auto pose = ss.HeadPose.ThePose;
+            Quatf quat = pose.Orientation;
+            float yaw, pitch, roll;
+            quat.GetEulerAngles<Axis_Y, Axis_X, Axis_Z>(&yaw, &pitch, &roll);
+            // XXX TODO move to core
+            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;
+            }
+            constexpr double d2r = 57.295781;
+            data[Yaw] = yaw * -d2r;
+            data[Pitch] = pitch * d2r;
+            data[Roll] = roll * d2r;
+            data[TX] = pose.Position.x * -1e2;
+            data[TY] = pose.Position.y *  1e2;
+            data[TZ] = pose.Position.z *  1e2;
+        }
+    }
+}
+
+OPENTRACK_DECLARE_TRACKER(Rift_Tracker, TrackerControls, FTNoIR_TrackerDll)
-- 
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