Add smooth turn and universe centered rotation

src/openvr/ivrinput.cpp

@@ -128,6 +128,8 @@ SteamIVRInput::SteamIVRInput()
       m_resetOffsets( action_keys::resetOffsets ),
       m_snapTurnLeft( action_keys::snapTurnLeft ),
       m_snapTurnRight( action_keys::snapTurnRight ),
+      m_smoothTurnLeft( action_keys::smoothTurnLeft ),
+      m_smoothTurnRight( action_keys::smoothTurnRight ),
       m_xAxisLockToggle( action_keys::xAxisLockToggle ),
       m_yAxisLockToggle( action_keys::yAxisLockToggle ),
       m_zAxisLockToggle( action_keys::zAxisLockToggle ),
@@ -275,6 +277,16 @@ bool SteamIVRInput::snapTurnRight()
     return isDigitalActionActivatedOnce( m_snapTurnRight );
 }
 
+bool SteamIVRInput::smoothTurnLeft()
+{
+    return isDigitalActionActivatedConstant( m_smoothTurnLeft );
+}
+
+bool SteamIVRInput::smoothTurnRight()
+{
+    return isDigitalActionActivatedConstant( m_smoothTurnRight );
+}
+
 bool SteamIVRInput::xAxisLockToggle()
 {
     return isDigitalActionActivatedOnce( m_xAxisLockToggle );