implement scripting interface for LODManager

examples/example/ui/LODManagerExample.js

@@ -0,0 +1,16 @@
+
+LODManager.LODIncreased.connect(function() {
+    print("LOD has been increased. You can now see " 
+            + LODManager.getLODFeedbackText() 
+            + ", fps:" + LODManager.getFPSAverage()
+            + ", fast fps:" + LODManager.getFastFPSAverage()
+        );
+});
+
+LODManager.LODDecreased.connect(function() {
+    print("LOD has been decreased. You can now see " 
+            + LODManager.getLODFeedbackText() 
+            + ", fps:" + LODManager.getFPSAverage()
+            + ", fast fps:" + LODManager.getFastFPSAverage()
+        );
+});

interface/src/Application.cpp

@@ -3570,6 +3570,8 @@ void Application::registerScriptEngineWithApplicationServices(ScriptEngine* scri
 
     scriptEngine->registerGlobalObject("UndoStack", &_undoStackScriptingInterface);
 
+    scriptEngine->registerGlobalObject("LODManager", DependencyManager::get<LODManager>().data());
+
     QScriptValue hmdInterface = scriptEngine->registerGlobalObject("HMD", &HMDScriptingInterface::getInstance());
     scriptEngine->registerFunction(hmdInterface, "getHUDLookAtPosition2D", HMDScriptingInterface::getHUDLookAtPosition2D, 0);
     scriptEngine->registerFunction(hmdInterface, "getHUDLookAtPosition3D", HMDScriptingInterface::getHUDLookAtPosition3D, 0);

interface/src/LODManager.cpp

@@ -75,7 +75,9 @@ void LODManager::autoAdjustLOD(float currentFPS) {
         changed = true;
         _lastAdjust = now;
         qDebug() << "adjusting LOD down... average fps for last approximately 5 seconds=" << _fpsAverage.getAverage()
-        << "_octreeSizeScale=" << _octreeSizeScale;
+                    << "_octreeSizeScale=" << _octreeSizeScale;
+        
+        emit LODDecreased();
     }
     
     if (elapsed > ADJUST_LOD_UP_DELAY && _fpsAverage.getAverage() > ADJUST_LOD_UP_FPS
@@ -87,7 +89,9 @@ void LODManager::autoAdjustLOD(float currentFPS) {
         changed = true;
         _lastAdjust = now;
         qDebug() << "adjusting LOD up... average fps for last approximately 5 seconds=" << _fpsAverage.getAverage()
-        << "_octreeSizeScale=" << _octreeSizeScale;
+                    << "_octreeSizeScale=" << _octreeSizeScale;
+
+        emit LODIncreased();
     }
     
     if (changed) {

interface/src/LODManager.h

@@ -41,7 +41,8 @@ const int ONE_SECOND_OF_FRAMES = 60;
 const int FIVE_SECONDS_OF_FRAMES = 5 * ONE_SECOND_OF_FRAMES;
 
 
-class LODManager : public Dependency {
+class LODManager : public QObject, public Dependency {
+    Q_OBJECT
     SINGLETON_DEPENDENCY
     
 public:
@@ -55,21 +56,27 @@ public:
     float getAvatarLODDistanceMultiplier() const { return _avatarLODDistanceMultiplier; }
     
     // User Tweakable LOD Items
-    QString getLODFeedbackText();
+    Q_INVOKABLE QString getLODFeedbackText();
-    void setOctreeSizeScale(float sizeScale);
+    Q_INVOKABLE void setOctreeSizeScale(float sizeScale);
-    float getOctreeSizeScale() const { return _octreeSizeScale; }
+    Q_INVOKABLE float getOctreeSizeScale() const { return _octreeSizeScale; }
     
-    void setBoundaryLevelAdjust(int boundaryLevelAdjust);
+    Q_INVOKABLE void setBoundaryLevelAdjust(int boundaryLevelAdjust);
-    int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
+    Q_INVOKABLE int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
     
     void autoAdjustLOD(float currentFPS);
-    void resetLODAdjust();
+    Q_INVOKABLE void resetLODAdjust();
+    Q_INVOKABLE float getFPSAverage() const { return _fpsAverage.getAverage(); }
+    Q_INVOKABLE float getFastFPSAverage() const { return _fastFPSAverage.getAverage(); }
     
     bool shouldRenderMesh(float largestDimension, float distanceToCamera);
     
     void loadSettings();
     void saveSettings();
     
+signals:
+    void LODIncreased();
+    void LODDecreased();
+    
 private:
     LODManager() {}