From 250426f7922d43f9d4a6d2feadacf6996fe41572 Mon Sep 17 00:00:00 2001
From: jriegel <FreeCAD@juergen-riegel.net>
Date: Sun, 14 Sep 2014 13:54:02 +0200
Subject: [PATCH] FreeCAD-VR: Handling the safety warning

---
 src/Gui/View3DInventorRiftViewer.cpp | 37 +++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/Gui/View3DInventorRiftViewer.cpp b/src/Gui/View3DInventorRiftViewer.cpp
index 23d9277c2..a0289d2f8 100644
--- a/src/Gui/View3DInventorRiftViewer.cpp
+++ b/src/Gui/View3DInventorRiftViewer.cpp
@@ -102,6 +102,7 @@ public:
     ~CoinRiftWidget();
     void setSceneGraph(SoNode *sceneGraph);
 protected:
+	void handlingSafetyWarning(void);
     void initializeGL();
     void paintGL();
     void resizeGL(int width, int height) {
@@ -350,8 +351,12 @@ void CoinRiftWidget::initializeGL()
 
 void CoinRiftWidget::paintGL()
 { 
-    const int ms(1000 / 60 /*fps*/);
+    const int ms(1000 / 75 /*fps*/);
     QTimer::singleShot(ms, this, SLOT(updateGL()));
+
+	// handling the sfety warning
+	handlingSafetyWarning();
+
     makeCurrent();
 
 	ovrPosef eyePose[2];
@@ -422,6 +427,36 @@ void CoinRiftWidget::paintGL()
     doneCurrent();
 }
 
+void CoinRiftWidget::handlingSafetyWarning(void)
+{
+	// Health and Safety Warning display state.
+	ovrHSWDisplayState hswDisplayState;
+	ovrHmd_GetHSWDisplayState(hmd, &hswDisplayState);
+	if (hswDisplayState.Displayed)
+	{
+		// Dismiss the warning if the user pressed the appropriate key or if the user
+		// is tapping the side of the HMD.
+		// If the user has requested to dismiss the warning via keyboard or controller input...
+		//if (Util_GetAndResetHSWDismissedState())
+			ovrHmd_DismissHSWDisplay(hmd);
+		//else
+		//{
+		//	// Detect a moderate tap on the side of the HMD.
+		//	ovrTrackingState ts = ovrHmd_GetTrackingState(hmd, ovr_GetTimeInSeconds());
+		//	if (ts.StatusFlags & ovrStatus_OrientationTracked)
+		//	{
+		//		const OVR::Vector3f v(ts.RawSensorData.Accelerometer.x,
+		//						      ts.RawSensorData.Accelerometer.y,
+		//		                      ts.RawSensorData.Accelerometer.z);
+		//		// Arbitrary value and representing moderate tap on the side of the DK2 Rift.
+		//		if (v.LengthSq() > 250.f)
+		//			ovrHmd_DismissHSWDisplay(hmd);
+		//	}
+		//}
+	}
+	
+}
+
 
  static CoinRiftWidget *window=0;