From 7b0b7770513933f68d64ea19aa00a58654c807bc Mon Sep 17 00:00:00 2001
From: Atlante45 <clement.brisset@gmail.com>
Date: Wed, 7 Dec 2016 17:29:54 -0800
Subject: [PATCH] Honor reorient and quit request from OVR

---
 interface/src/Application.cpp                 |  3 ++-
 libraries/plugins/src/plugins/DisplayPlugin.h |  3 ++-
 .../oculus/src/OculusBaseDisplayPlugin.cpp    |  9 +++++++
 plugins/oculus/src/OculusHelpers.cpp          | 26 ++++++++++++++++---
 plugins/oculus/src/OculusHelpers.h            |  4 +++
 5 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index c6150dcc53..b9b3b4ff82 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -4750,7 +4750,7 @@ void Application::resetSensors(bool andReload) {
     DependencyManager::get<EyeTracker>()->reset();
     getActiveDisplayPlugin()->resetSensors();
     _overlayConductor.centerUI();
-    getMyAvatar()->reset(andReload);
+    getMyAvatar()->reset(true, andReload);
     QMetaObject::invokeMethod(DependencyManager::get<AudioClient>().data(), "reset", Qt::QueuedConnection);
 }
 
@@ -5735,6 +5735,7 @@ void Application::updateDisplayMode() {
             QObject::connect(displayPlugin.get(), &DisplayPlugin::recommendedFramebufferSizeChanged, [this](const QSize & size) {
                 resizeGL();
             });
+            QObject::connect(displayPlugin.get(), &DisplayPlugin::resetSensorsRequested, this, &Application::requestReset);
             first = false;
         }
 
diff --git a/libraries/plugins/src/plugins/DisplayPlugin.h b/libraries/plugins/src/plugins/DisplayPlugin.h
index c87669c99a..6b55d8ed64 100644
--- a/libraries/plugins/src/plugins/DisplayPlugin.h
+++ b/libraries/plugins/src/plugins/DisplayPlugin.h
@@ -205,7 +205,8 @@ public:
 
 
 signals:
-    void recommendedFramebufferSizeChanged(const QSize & size);
+    void recommendedFramebufferSizeChanged(const QSize& size);
+    void resetSensorsRequested();
 
 protected:
     void incrementPresentCount();
diff --git a/plugins/oculus/src/OculusBaseDisplayPlugin.cpp b/plugins/oculus/src/OculusBaseDisplayPlugin.cpp
index 7209104a85..5db5840f43 100644
--- a/plugins/oculus/src/OculusBaseDisplayPlugin.cpp
+++ b/plugins/oculus/src/OculusBaseDisplayPlugin.cpp
@@ -21,6 +21,15 @@ void OculusBaseDisplayPlugin::resetSensors() {
 }
 
 bool OculusBaseDisplayPlugin::beginFrameRender(uint32_t frameIndex) {
+    handleOVREvents();
+    if (quitRequested()) {
+        QMetaObject::invokeMethod(qApp, "quit");
+        return false;
+    }
+    if (reorientRequested()) {
+        emit resetSensorsRequested();
+    }
+
     _currentRenderFrameInfo = FrameInfo();
     _currentRenderFrameInfo.sensorSampleTime = ovr_GetTimeInSeconds();
     _currentRenderFrameInfo.predictedDisplayTime = ovr_GetPredictedDisplayTime(_session, frameIndex);
diff --git a/plugins/oculus/src/OculusHelpers.cpp b/plugins/oculus/src/OculusHelpers.cpp
index 5fbc0db7d1..feb0896fa4 100644
--- a/plugins/oculus/src/OculusHelpers.cpp
+++ b/plugins/oculus/src/OculusHelpers.cpp
@@ -20,15 +20,15 @@
 #include <controllers/Pose.h>
 #include <NumericalConstants.h>
 
-using Mutex = std::mutex;
-using Lock = std::unique_lock<Mutex>;
-
 Q_DECLARE_LOGGING_CATEGORY(oculus)
 Q_LOGGING_CATEGORY(oculus, "hifi.plugins.oculus")
 
 static std::atomic<uint32_t> refCount { 0 };
 static ovrSession session { nullptr };
 
+static bool _quitRequested { false };
+static bool _reorientRequested { false };
+
 inline ovrErrorInfo getError() {
     ovrErrorInfo error;
     ovr_GetLastErrorInfo(&error);
@@ -116,6 +116,26 @@ void releaseOculusSession() {
 #endif
 }
 
+void handleOVREvents() {
+    if (!session) {
+        return;
+    }
+
+    ovrSessionStatus status;
+    if (!OVR_SUCCESS(ovr_GetSessionStatus(session, &status))) {
+        return;
+    }
+
+    _quitRequested = status.ShouldQuit;
+    _reorientRequested = status.ShouldRecenter;
+}
+
+bool quitRequested() {
+    return _quitRequested;
+}
+bool reorientRequested() {
+    return _reorientRequested;
+}
 
 controller::Pose ovrControllerPoseToHandPose(
     ovrHandType hand,
diff --git a/plugins/oculus/src/OculusHelpers.h b/plugins/oculus/src/OculusHelpers.h
index e55dde1034..8244add84e 100644
--- a/plugins/oculus/src/OculusHelpers.h
+++ b/plugins/oculus/src/OculusHelpers.h
@@ -20,6 +20,10 @@ bool oculusAvailable();
 ovrSession acquireOculusSession();
 void releaseOculusSession();
 
+void handleOVREvents();
+bool quitRequested();
+bool reorientRequested();
+
 // Convenience method for looping over each eye with a lambda
 template <typename Function>
 inline void ovr_for_each_eye(Function function) {