Refactor ivrinput functions to be more generic

advancedSettings.pro

@@ -80,7 +80,8 @@ HEADERS += src/overlaycontroller.h \
     src/tabcontrollers/audiomanager/AudioManagerDummy.h \
     src/tabcontrollers/keyboardinput/KeyboardInputDummy.h \
     src/overlaycontroller/openvr_init.h \
-    src/steamivrinput.h
+    src/steamivrinput.h \
+    src/ivrinput/ivrinput_action.h
 
 win32 {
     SOURCES += src/tabcontrollers/audiomanager/AudioManagerWindows.cpp \

src/ivrinput/ivrinput_action.h

@@ -0,0 +1,42 @@
+#pragma once
+#include <openvr.h>
+#include <easylogging++.h>
+
+enum class ActionType
+{
+    Undefined,
+    Digital,
+};
+
+class Action
+{
+public:
+    Action( const char* const actionName, const ActionType type )
+        : m_name( actionName ), m_type( type )
+    {
+        auto error = vr::VRInput()->GetActionHandle( actionName, &m_handle );
+
+        if ( error != vr::EVRInputError::VRInputError_None )
+        {
+            LOG( ERROR ) << "Error getting handle for '" << actionName
+                         << "'. OpenVR Error: " << error;
+        }
+    }
+    vr::VRActionHandle_t handle()
+    {
+        return m_handle;
+    }
+    const char* name()
+    {
+        return m_name;
+    }
+    ActionType type()
+    {
+        return m_type;
+    }
+
+private:
+    vr::VRActionHandle_t m_handle = 0;
+    const char* m_name;
+    ActionType m_type = ActionType::Undefined;
+};

src/overlaycontroller.cpp

@@ -118,7 +118,7 @@ OverlayController::OverlayController( bool desktopMode,
             nullptr, "OpenVR Advanced Settings Overlay", "Is OpenVR running?" );
         throw std::runtime_error( std::string( "No Overlay interface" ) );
     }
-    m_actions.Init( false );
+    m_actions.Init();
     // Init controllers
     m_steamVRTabController.initStage1();
     m_chaperoneTabController.initStage1();

src/steamivrinput.cpp

@@ -2,43 +2,84 @@
 #include <openvr.h>
 #include <iostream>
 #include <QStandardPaths>
+#include <easylogging++.h>
 
-void SteamIVRInput::Init( const bool init )
+void setActionManifestPath( const QString actionManifestPath )
 {
-    if ( init )
+    auto error = vr::VRInput()->SetActionManifestPath(
+        actionManifestPath.toStdString().c_str() );
+    if ( error != vr::EVRInputError::VRInputError_None )
     {
-        auto initError = vr::VRInitError_None;
-        vr::VR_Init( &initError, vr::VRApplication_Overlay );
-        if ( initError != vr::VRInitError_None )
-        {
-            std::cout << "SteamVR init error.";
-        }
+        LOG( ERROR ) << "Error setting action manifest path: "
+                     << actionManifestPath << ". OpenVR Error: " << error;
+    }
+}
+
+vr::VRActionHandle_t getActionHandle( const char* const action )
+{
+    vr::VRActionHandle_t actionHandle = 0;
+
+    auto error = vr::VRInput()->GetActionHandle( action, &actionHandle );
+
+    if ( error != vr::EVRInputError::VRInputError_None )
+    {
+        LOG( ERROR ) << "Error getting handle for '" << action
+                     << "'. OpenVR Error: " << error;
     }
 
-    QString manifestPath
+    return actionHandle;
+}
+
+vr::VRActionSetHandle_t getActionSetHandle( const char* const set )
+{
+    vr::VRActionSetHandle_t setHandle = 0;
+
+    auto error = vr::VRInput()->GetActionSetHandle( set, &setHandle );
+    if ( error != vr::EVRInputError::VRInputError_None )
+    {
+        LOG( ERROR ) << "Error getting handle for '" << set
+                     << "'. OpenVR Error: " << error;
+    }
+
+    return setHandle;
+}
+
+vr::InputDigitalActionData_t getDigitalActionData( vr::VRActionHandle_t handle )
+{
+    vr::InputDigitalActionData_t handleData = {};
+
+    auto error = vr::VRInput()->GetDigitalActionData(
+        handle,
+        &handleData,
+        sizeof( handleData ),
+        vr::k_ulInvalidInputValueHandle );
+
+    if ( error != vr::EVRInputError::VRInputError_None )
+    {
+        LOG( ERROR ) << "Error getting Digital Action Data for handle "
+                     << handle << ". SteamVR Error: " << error;
+    }
+
+    return handleData;
+}
+
+bool isActionActivatedOnce( vr::VRActionHandle_t handle )
+{
+    auto handleData = getDigitalActionData( handle );
+
+    return handleData.bState && handleData.bChanged;
+}
+
+void SteamIVRInput::Init()
+{
+    QString actionManifestPath
         = QStandardPaths::locate( QStandardPaths::AppDataLocation,
                                   QStringLiteral( "action_manifest.json" ) );
-    auto error = vr::VRInput()->SetActionManifestPath(
-        manifestPath.toStdString().c_str() );
-    if ( error != vr::EVRInputError::VRInputError_None )
-    {
-        std::cout << "Action manifest error\n";
-    }
+    setActionManifestPath( actionManifestPath );
 
-    // Get action handle
-    error = vr::VRInput()->GetActionHandle( "/actions/main/in/PlayNextTrack",
-                                            &m_nextSongHandler );
-    if ( error != vr::EVRInputError::VRInputError_None )
-    {
-        std::cout << "Handle error.\n";
-    }
+    m_nextSongHandler = getActionHandle( input_strings::k_actionNextTrack );
 
-    error = vr::VRInput()->GetActionSetHandle( "/actions/main",
-                                               &m_mainSetHandler );
-    if ( error != vr::EVRInputError::VRInputError_None )
-    {
-        std::cout << "Handle error.\n";
-    }
+    m_mainSetHandler = getActionSetHandle( input_strings::k_setMain );
 
     m_activeActionSet.ulActionSet = m_mainSetHandler;
     m_activeActionSet.ulRestrictedToDevice = vr::k_ulInvalidInputValueHandle;
@@ -47,24 +88,7 @@ void SteamIVRInput::Init( const bool init )
 
 bool SteamIVRInput::nextSongSet()
 {
-    auto e = vr::VRInput()->GetDigitalActionData(
-        m_nextSongHandler,
-        &m_nextSongData,
-        sizeof( m_nextSongData ),
-        vr::k_ulInvalidInputValueHandle );
-
-    if ( e != vr::EVRInputError::VRInputError_None )
-    {
-        std::cout << e;
-        std::cout << "GetDigitalAction error.\n";
-    }
-
-    if ( m_nextSongData.bActive )
-    {
-        std::cout << "Action Set Active!\n";
-    }
-
-    return m_nextSongData.bState;
+    return isActionActivatedOnce( m_nextSongHandler );
 }
 
 void SteamIVRInput::Loop()
@@ -74,6 +98,6 @@ void SteamIVRInput::Loop()
 
     if ( error != vr::EVRInputError::VRInputError_None )
     {
-        std::cout << "Loop error.\n";
+        LOG( ERROR ) << "Loop error.";
     }
 }

src/steamivrinput.h

@@ -1,15 +1,31 @@
-#ifndef STEAMIVRINPUT_H
-#define STEAMIVRINPUT_H
+#pragma once
 
 #include <openvr.h>
+#include "ivrinput/ivrinput_action.h"
 
 class SteamIVRInput
 {
 public:
-    void Init( const bool init );
+    // SteamIVRInput();
+    void Init();
     void Loop();
     bool nextSongSet();
 
+    // These have been explicitly deleted to make sure there are no attempts at
+    // copying the class in weird ways. It is not worth defining what should
+    // happen on copy because it simply shouldn't be done.
+    // Destructor. There are not terminating calls for the IVRInput API, so it
+    // is unneeded.
+    //~SteamIVRInput() = delete;
+    //// Copy constructor
+    // SteamIVRInput( const SteamIVRInput& ) = delete;
+    //// Copy assignment
+    // SteamIVRInput& operator=( const SteamIVRInput& ) = delete;
+    //// Move constructor
+    // SteamIVRInput( SteamIVRInput&& ) = delete;
+    //// Move assignment
+    // SteamIVRInput& operator=( const SteamIVRInput&& ) = delete;
+
 private:
     vr::VRActionHandle_t m_nextSongHandler = {};
     vr::VRActionSetHandle_t m_mainSetHandler = {};
@@ -17,4 +33,9 @@ private:
     vr::InputDigitalActionData_t m_nextSongData = {};
 };
 
-#endif // STEAMIVRINPUT_H
+namespace input_strings
+{
+constexpr auto k_actionNextTrack = "/actions/main/in/PlayNextTrack";
+constexpr auto k_setMain = "/actions/main";
+
+} // namespace input_strings