Merge pull request #3965 from Atlante45/dependancy_manager

Dependancy manager

interface/src/Application.cpp

@@ -55,6 +55,7 @@
 #include <AddressManager.h>
 #include <AccountManager.h>
 #include <AudioInjector.h>
+#include <DependencyManager.h>
 #include <EntityScriptingInterface.h>
 #include <HFActionEvent.h>
 #include <HFBackEvent.h>
@@ -76,10 +77,13 @@
 #include "ModelUploader.h"
 #include "Util.h"
 
+#include "devices/DdeFaceTracker.h"
+#include "devices/Faceshift.h"
 #include "devices/Leapmotion.h"
 #include "devices/MIDIManager.h"
 #include "devices/OculusManager.h"
 #include "devices/TV3DManager.h"
+#include "devices/Visage.h"
 
 #include "renderer/ProgramObject.h"
 #include "gpu/Batch.h"
@@ -1690,9 +1694,13 @@ int Application::getMouseDragStartedY() const {
 }
 
 FaceTracker* Application::getActiveFaceTracker() {
-    return (_dde.isActive() ? static_cast<FaceTracker*>(&_dde) :
-            (_faceshift.isActive() ? static_cast<FaceTracker*>(&_faceshift) :
-             (_visage.isActive() ? static_cast<FaceTracker*>(&_visage) : NULL)));
+    Faceshift* faceshift = DependencyManager::get<Faceshift>();
+    Visage* visage = DependencyManager::get<Visage>();
+    DdeFaceTracker* dde = DependencyManager::get<DdeFaceTracker>();
+    
+    return (dde->isActive() ? static_cast<FaceTracker*>(dde) :
+            (faceshift->isActive() ? static_cast<FaceTracker*>(faceshift) :
+             (visage->isActive() ? static_cast<FaceTracker*>(visage) : NULL)));
 }
 
 struct SendVoxelsOperationArgs {
@@ -1976,8 +1984,8 @@ void Application::init() {
 #endif
 
     // initialize our face trackers after loading the menu settings
-    _faceshift.init();
-    _visage.init();
+    DependencyManager::get<Faceshift>()->init();
+    DependencyManager::get<Visage>()->init();
 
     Leapmotion::init();
 
@@ -2101,13 +2109,13 @@ void Application::updateMouseRay() {
 void Application::updateFaceshift() {
     bool showWarnings = Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings);
     PerformanceWarning warn(showWarnings, "Application::updateFaceshift()");
-
+    Faceshift* faceshift = DependencyManager::get<Faceshift>();
     //  Update faceshift
-    _faceshift.update();
+    faceshift->update();
 
     //  Copy angular velocity if measured by faceshift, to the head
-    if (_faceshift.isActive()) {
-        _myAvatar->getHead()->setAngularVelocity(_faceshift.getHeadAngularVelocity());
+    if (faceshift->isActive()) {
+        _myAvatar->getHead()->setAngularVelocity(faceshift->getHeadAngularVelocity());
     }
 }
 
@@ -2116,7 +2124,7 @@ void Application::updateVisage() {
     PerformanceWarning warn(showWarnings, "Application::updateVisage()");
 
     //  Update Visage
-    _visage.update();
+    DependencyManager::get<Visage>()->update();
 }
 
 void Application::updateDDE() {
@@ -2124,7 +2132,7 @@ void Application::updateDDE() {
     PerformanceWarning warn(showWarnings, "Application::updateDDE()");
     
     //  Update Cara
-    _dde.update();
+    DependencyManager::get<DdeFaceTracker>()->update();
 }
 
 void Application::updateMyAvatarLookAtPosition() {
@@ -3549,9 +3557,9 @@ void Application::deleteVoxelAt(const VoxelDetail& voxel) {
 }
 
 void Application::resetSensors() {
-    _faceshift.reset();
-    _visage.reset();
-    _dde.reset();
+    DependencyManager::get<Faceshift>()->reset();
+    DependencyManager::get<Visage>()->reset();
+    DependencyManager::get<DdeFaceTracker>()->reset();
 
     OculusManager::reset();
 

interface/src/Application.h

@@ -54,11 +54,8 @@
 #include "avatar/Avatar.h"
 #include "avatar/AvatarManager.h"
 #include "avatar/MyAvatar.h"
-#include "devices/Faceshift.h"
 #include "devices/PrioVR.h"
 #include "devices/SixenseManager.h"
-#include "devices/Visage.h"
-#include "devices/DdeFaceTracker.h"
 #include "entities/EntityTreeRenderer.h"
 #include "renderer/AmbientOcclusionEffect.h"
 #include "renderer/DeferredLightingEffect.h"
@@ -100,6 +97,7 @@ class QMouseEvent;
 class QSettings;
 class QWheelEvent;
 
+class FaceTracker;
 class Node;
 class ProgramObject;
 
@@ -220,10 +218,7 @@ public:
     int getMouseDragStartedY() const;
     int getTrueMouseDragStartedX() const { return _mouseDragStartedX; }
     int getTrueMouseDragStartedY() const { return _mouseDragStartedY; }
-    bool getLastMouseMoveWasSimulated() const { return _lastMouseMoveWasSimulated;; }
-    Faceshift* getFaceshift() { return &_faceshift; }
-    Visage* getVisage() { return &_visage; }
-    DdeFaceTracker* getDDE() { return &_dde; }
+    bool getLastMouseMoveWasSimulated() const { return _lastMouseMoveWasSimulated; }
     FaceTracker* getActiveFaceTracker();
     PrioVR* getPrioVR() { return &_prioVR; }
     BandwidthMeter* getBandwidthMeter() { return &_bandwidthMeter; }
@@ -532,10 +527,6 @@ private:
     AvatarManager _avatarManager;
     MyAvatar* _myAvatar;            // TODO: move this and relevant code to AvatarManager (or MyAvatar as the case may be)
 
-    Faceshift _faceshift;
-    Visage _visage;
-    DdeFaceTracker _dde;
-
     PrioVR _prioVR;
 
     Camera _myCamera;                  // My view onto the world

interface/src/Menu.cpp

@@ -31,12 +31,16 @@
 
 #include <AccountManager.h>
 #include <AddressManager.h>
-#include <XmppClient.h>
+#include <DependencyManager.h>
 #include <UUID.h>
 #include <UserActivityLogger.h>
+#include <XmppClient.h>
 
 #include "Application.h"
 #include "AccountManager.h"
+#include "devices/Faceshift.h"
+#include "devices/OculusManager.h"
+#include "devices/Visage.h"
 #include "Menu.h"
 #include "scripting/LocationScriptingInterface.h"
 #include "scripting/MenuScriptingInterface.h"
@@ -49,7 +53,6 @@
 #include "ui/ModelsBrowser.h"
 #include "ui/LoginDialog.h"
 #include "ui/NodeBounds.h"
-#include "devices/OculusManager.h"
 
 
 Menu* Menu::_instance = NULL;
@@ -432,12 +435,12 @@ Menu::Menu() :
                                            MenuOption::Faceshift,
                                            0,
                                            true,
-                                           appInstance->getFaceshift(),
+                                           DependencyManager::get<Faceshift>(),
                                            SLOT(setTCPEnabled(bool)));
 #endif
 #ifdef HAVE_VISAGE
     addCheckableActionToQMenuAndActionHash(avatarDebugMenu, MenuOption::Visage, 0, false,
-            appInstance->getVisage(), SLOT(updateEnabled()));
+            DependencyManager::get<Visage>(), SLOT(updateEnabled()));
 #endif
 
     addCheckableActionToQMenuAndActionHash(avatarDebugMenu, MenuOption::RenderSkeletonCollisionShapes);

interface/src/avatar/Head.cpp

@@ -10,6 +10,9 @@
 
 #include <glm/gtx/quaternion.hpp>
 
+#include <DependencyManager.h>
+#include <devices/Faceshift.h>
+#include <devices/DdeFaceTracker.h>
 #include <NodeList.h>
 
 #include "Application.h"
@@ -75,11 +78,13 @@ void Head::simulate(float deltaTime, bool isMine, bool billboard) {
         // Only use face trackers when not playing back a recording.
         if (!myAvatar->isPlaying()) {
             FaceTracker* faceTracker = Application::getInstance()->getActiveFaceTracker();
-            if ((_isFaceshiftConnected = faceTracker)) {
+            DdeFaceTracker* dde = DependencyManager::get<DdeFaceTracker>();
+            Faceshift* faceshift = DependencyManager::get<Faceshift>();
+            
+            if ((_isFaceshiftConnected = (faceshift == faceTracker))) {
                 _blendshapeCoefficients = faceTracker->getBlendshapeCoefficients();
-                _isFaceshiftConnected = true;
-            } else if (Application::getInstance()->getDDE()->isActive()) {
-                faceTracker = Application::getInstance()->getDDE();
+            } else if (dde->isActive()) {
+                faceTracker = dde;
                 _blendshapeCoefficients = faceTracker->getBlendshapeCoefficients();
             }            
         }
@@ -196,14 +201,14 @@ void Head::simulate(float deltaTime, bool isMine, bool billboard) {
         _mouth2 = glm::mix(_audioJawOpen * MMMM_POWER, _mouth2, MMMM_PERIOD + randFloat() * MMMM_RANDOM_PERIOD);
         _mouth4 = glm::mix(_audioJawOpen, _mouth4, SMILE_PERIOD + randFloat() * SMILE_RANDOM_PERIOD);
         
-        Application::getInstance()->getFaceshift()->updateFakeCoefficients(_leftEyeBlink,
-                                                                           _rightEyeBlink,
-            _browAudioLift,
-            _audioJawOpen,
-            _mouth2,
-            _mouth3,
-            _mouth4,
-            _blendshapeCoefficients);
+        DependencyManager::get<Faceshift>()->updateFakeCoefficients(_leftEyeBlink,
+                                                                    _rightEyeBlink,
+                                                                    _browAudioLift,
+                                                                    _audioJawOpen,
+                                                                    _mouth2,
+                                                                    _mouth3,
+                                                                    _mouth4,
+                                                                    _blendshapeCoefficients);
     } else {
         _saccade = glm::vec3();
     }

interface/src/avatar/MyAvatar.cpp

@@ -22,6 +22,7 @@
 
 #include <AccountManager.h>
 #include <AddressManager.h>
+#include <DependencyManager.h>
 #include <GeometryUtil.h>
 #include <NodeList.h>
 #include <PacketHeaders.h>
@@ -421,8 +422,7 @@ void MyAvatar::render(const glm::vec3& cameraPosition, RenderMode renderMode, bo
 }
 
 void MyAvatar::renderHeadMouse(int screenWidth, int screenHeight) const {
-    
-    Faceshift* faceshift = Application::getInstance()->getFaceshift();
+    Faceshift* faceshift = DependencyManager::get<Faceshift>();
     
     float pixelsPerDegree = screenHeight / Menu::getInstance()->getFieldOfView();
     

interface/src/devices/DdeFaceTracker.h

@@ -14,16 +14,14 @@
 
 #include <QUdpSocket>
 
+#include <DependencyManager.h>
+
 #include "FaceTracker.h"
 
-class DdeFaceTracker : public FaceTracker {
+class DdeFaceTracker : public FaceTracker, public DependencyManager::Dependency {
     Q_OBJECT
     
 public:
-    DdeFaceTracker();
-    DdeFaceTracker(const QHostAddress& host, quint16 port);
-    ~DdeFaceTracker();
-    
     //initialization
     void init();
     void reset();
@@ -57,6 +55,11 @@ private slots:
     void socketStateChanged(QAbstractSocket::SocketState socketState);
     
 private:
+    DdeFaceTracker();
+    DdeFaceTracker(const QHostAddress& host, quint16 port);
+    ~DdeFaceTracker();
+    friend DependencyManager;
+    
     float getBlendshapeCoefficient(int index) const;
     void decodePacket(const QByteArray& buffer);
     

interface/src/devices/FaceTracker.h

@@ -23,8 +23,8 @@ class FaceTracker : public QObject {
     Q_OBJECT
     
 public:
-    
     FaceTracker();
+    virtual ~FaceTracker() {}
     
     const glm::vec3& getHeadTranslation() const { return _headTranslation; }
     const glm::quat& getHeadRotation() const { return _headRotation; }

interface/src/devices/Faceshift.cpp

@@ -14,7 +14,6 @@
 #include <PerfStat.h>
 #include <SharedUtil.h>
 
-#include "Application.h"
 #include "Faceshift.h"
 #include "Menu.h"
 #include "Util.h"

interface/src/devices/Faceshift.h

@@ -19,15 +19,15 @@
 #include <fsbinarystream.h>
 #endif
 
+#include <DependencyManager.h>
+
 #include "FaceTracker.h"
 
 /// Handles interaction with the Faceshift software, which provides head position/orientation and facial features.
-class Faceshift : public FaceTracker {
+class Faceshift : public FaceTracker, public DependencyManager::Dependency {
     Q_OBJECT
 
 public:
-    Faceshift();
-
     void init();
 
     bool isConnectedOrConnecting() const; 
@@ -87,6 +87,9 @@ private slots:
     void readFromSocket();        
     
 private:
+    Faceshift();
+    virtual ~Faceshift() {}
+    friend DependencyManager;
     
     float getBlendshapeCoefficient(int index) const;
     

interface/src/devices/Visage.cpp

@@ -11,12 +11,14 @@
 
 #include <QHash>
 
+
+#include <DependencyManager.h>
+#include <FBXReader.h>
 #include <PerfStat.h>
 #include <SharedUtil.h>
 
-#include <FBXReader.h>
-
 #include "Application.h"
+#include "Faceshift.h"
 #include "Visage.h"
 
 // this has to go after our normal includes, because its definition of HANDLE conflicts with Qt's
@@ -119,7 +121,7 @@ static const QMultiHash<QByteArray, QPair<int, float> >& getActionUnitNameMap()
 const float TRANSLATION_SCALE = 20.0f;
 
 void Visage::init() {
-    connect(Application::getInstance()->getFaceshift(), SIGNAL(connectionStateChanged()), SLOT(updateEnabled()));
+    connect(DependencyManager::get<Faceshift>(), SIGNAL(connectionStateChanged()), SLOT(updateEnabled()));
     updateEnabled();
 }
 
@@ -171,7 +173,7 @@ void Visage::reset() {
 void Visage::updateEnabled() {
     setEnabled(Menu::getInstance()->isOptionChecked(MenuOption::Visage) &&
         !(Menu::getInstance()->isOptionChecked(MenuOption::Faceshift) &&
-            Application::getInstance()->getFaceshift()->isConnectedOrConnecting()));
+            DependencyManager::get<Faceshift>()->isConnectedOrConnecting()));
 }
 
 void Visage::setEnabled(bool enabled) {

interface/src/devices/Visage.h

@@ -16,6 +16,8 @@
 #include <QPair>
 #include <QVector>
 
+#include <DependencyManager.h>
+
 #include "FaceTracker.h"
 
 namespace VisageSDK {
@@ -24,14 +26,10 @@ namespace VisageSDK {
 }
 
 /// Handles input from the Visage webcam feature tracking software.
-class Visage : public FaceTracker {
+class Visage : public FaceTracker, public DependencyManager::Dependency  {
     Q_OBJECT
     
 public:
-    
-    Visage();
-    virtual ~Visage();
-    
     void init();
     
     bool isActive() const { return _active; }
@@ -44,6 +42,9 @@ public slots:
     void updateEnabled();
     
 private:
+    Visage();
+    virtual ~Visage();
+    friend DependencyManager;
 
 #ifdef HAVE_VISAGE
     VisageSDK::VisageTracker2* _tracker;

libraries/shared/src/DependencyManager.cpp

@@ -0,0 +1,24 @@
+//
+//  DependencyManager.cpp
+//
+//
+//  Created by Clément Brisset on 12/10/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "DependencyManager.h"
+
+DependencyManager& DependencyManager::getInstance() {
+    static DependencyManager instance;
+    return instance;
+}
+
+DependencyManager::~DependencyManager() {
+    foreach (Dependency* instance, _instanceHash) {
+        delete instance;
+    }
+    _instanceHash.clear();
+}

libraries/shared/src/DependencyManager.h

@@ -0,0 +1,66 @@
+//
+//  DependencyManager.h
+//
+//
+//  Created by Clément Brisset on 12/10/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_DependencyManager_h
+#define hifi_DependencyManager_h
+
+#include <QHash>
+#include <QString>
+
+#include <typeinfo>
+#include <assert.h>
+
+class DependencyManager {
+public:
+    // Only accessible method.
+    // usage: T* instance = DependencyManager::get<T>();
+    template<typename T>
+    static T* get();
+    
+    // Any class T in the DependencyManager needs to subclass Dependency
+    // They also need to have protected constructor(s) and virtual destructor
+    // As well as declare DependencyManager a friend class
+    class Dependency {
+    protected:
+        Dependency() {}
+        virtual ~Dependency() {} // Ensure the proper destruction of the object
+        friend DependencyManager;
+    };
+    
+private:
+    static DependencyManager& getInstance();
+    DependencyManager() {}
+    ~DependencyManager();
+    
+    typedef QHash<QString, Dependency*> InstanceHash;
+    static InstanceHash& getInstanceHash() { return getInstance()._instanceHash; }
+    InstanceHash _instanceHash;
+};
+
+template <typename T>
+T* DependencyManager::get() {
+    const QString& typeId = typeid(T).name();
+    
+    // Search the hash for global instance
+    Dependency* instance = getInstanceHash().value(typeId, NULL);
+    if (instance) {
+        return dynamic_cast<T*>(instance);
+    }
+
+    // Found no instance in hash so we create one.
+    T* newInstance = new T();
+    instance = dynamic_cast<Dependency*>(newInstance);
+    assert(instance != NULL); // If this triggers, check that T is derived from Dependency
+    getInstanceHash().insert(typeId, instance);
+    return newInstance;
+}
+
+#endif // hifi_DependencyManager_h