Merge branch 'master' of https://github.com/worklist/hifi

interface/src/Application.cpp

@@ -620,7 +620,13 @@ void Application::keyPressEvent(QKeyEvent* event) {
                 _audioScope.inputPaused = !_audioScope.inputPaused;
                 break; 
             case Qt::Key_L:
+                if (!isShifted && !isMeta) {
                     _displayLevels = !_displayLevels;
+                } else if (isShifted) {
+                    Menu::getInstance()->triggerOption(MenuOption::LodTools);
+                } else if (isMeta) {
+                    Menu::getInstance()->triggerOption(MenuOption::Log);
+                }
                 break;
                 
             case Qt::Key_E:
@@ -2372,6 +2378,8 @@ void Application::queryVoxels() {
     _voxelQuery.setCameraNearClip(_viewFrustum.getNearClip());
     _voxelQuery.setCameraFarClip(_viewFrustum.getFarClip());
     _voxelQuery.setCameraEyeOffsetPosition(_viewFrustum.getEyeOffsetPosition());
+    _voxelQuery.setVoxelSizeScale(Menu::getInstance()->getVoxelSizeScale());
+    _voxelQuery.setBoundaryLevelAdjust(Menu::getInstance()->getBoundaryLevelAdjust());
 
     unsigned char voxelQueryPacket[MAX_PACKET_SIZE];
 

interface/src/Application.h

@@ -60,6 +60,7 @@
 #include "ui/ChatEntry.h"
 #include "ui/VoxelStatsDialog.h"
 #include "ui/RearMirrorTools.h"
+#include "ui/LodToolsDialog.h"
 
 class QAction;
 class QActionGroup;

interface/src/Menu.cpp

@@ -53,7 +53,10 @@ Menu::Menu() :
     _viewFrustumOffset(DEFAULT_FRUSTUM_OFFSET),
     _voxelModeActionsGroup(NULL),
     _voxelStatsDialog(NULL),
-    _maxVoxels(DEFAULT_MAX_VOXELS_PER_SYSTEM)
+    _lodToolsDialog(NULL),
+    _maxVoxels(DEFAULT_MAX_VOXELS_PER_SYSTEM),
+    _voxelSizeScale(DEFAULT_VOXEL_SIZE_SCALE),
+    _boundaryLevelAdjust(0)
 {
     Application *appInstance = Application::getInstance();
     
@@ -277,6 +280,7 @@ Menu::Menu() :
 
     addCheckableActionToQMenuAndActionHash(voxelOptionsMenu, MenuOption::VoxelTextures);
     addCheckableActionToQMenuAndActionHash(voxelOptionsMenu, MenuOption::AmbientOcclusion);
+    addActionToQMenuAndActionHash(voxelOptionsMenu, MenuOption::LodTools, Qt::SHIFT | Qt::Key_L, this, SLOT(lodTools()));
 
     QMenu* cullingOptionsMenu = voxelOptionsMenu->addMenu("Culling Options");
     addDisabledActionAndSeparator(cullingOptionsMenu, "Standard Settings");
@@ -517,6 +521,8 @@ void Menu::loadSettings(QSettings* settings) {
     _audioJitterBufferSamples = loadSetting(settings, "audioJitterBufferSamples", 0);
     _fieldOfView = loadSetting(settings, "fieldOfView", DEFAULT_FIELD_OF_VIEW_DEGREES);
     _maxVoxels = loadSetting(settings, "maxVoxels", DEFAULT_MAX_VOXELS_PER_SYSTEM);
+    _voxelSizeScale = loadSetting(settings, "voxelSizeScale", DEFAULT_VOXEL_SIZE_SCALE);
+    _boundaryLevelAdjust = loadSetting(settings, "boundaryLevelAdjust", 0);
     
     settings->beginGroup("View Frustum Offset Camera");
     // in case settings is corrupt or missing loadSetting() will check for NaN
@@ -543,6 +549,8 @@ void Menu::saveSettings(QSettings* settings) {
     settings->setValue("audioJitterBufferSamples", _audioJitterBufferSamples);
     settings->setValue("fieldOfView", _fieldOfView);
     settings->setValue("maxVoxels", _maxVoxels);
+    settings->setValue("voxelSizeScale", _voxelSizeScale);
+    settings->setValue("boundaryLevelAdjust", _boundaryLevelAdjust);
     settings->beginGroup("View Frustum Offset Camera");
     settings->setValue("viewFrustumOffsetYaw", _viewFrustumOffset.yaw);
     settings->setValue("viewFrustumOffsetPitch", _viewFrustumOffset.pitch);
@@ -1022,7 +1030,6 @@ void Menu::goToUser() {
 }
 
 void Menu::bandwidthDetails() {
-    
     if (! _bandwidthDialog) {
         _bandwidthDialog = new BandwidthDialog(Application::getInstance()->getGLWidget(),
                                                Application::getInstance()->getBandwidthMeter());
@@ -1057,6 +1064,32 @@ void Menu::voxelStatsDetailsClosed() {
     }
 }
 
+void Menu::setVoxelSizeScale(float sizeScale) {
+    _voxelSizeScale = sizeScale;
+    Application::getInstance()->getVoxels()->redrawInViewVoxels();
+}
+
+void Menu::setBoundaryLevelAdjust(int boundaryLevelAdjust) {
+    _boundaryLevelAdjust = boundaryLevelAdjust;
+    Application::getInstance()->getVoxels()->redrawInViewVoxels();
+}
+
+void Menu::lodTools() {
+    if (!_lodToolsDialog) {
+        _lodToolsDialog = new LodToolsDialog(Application::getInstance()->getGLWidget());
+        connect(_lodToolsDialog, SIGNAL(closed()), SLOT(lodToolsClosed()));
+        _lodToolsDialog->show();
+    }
+    _lodToolsDialog->raise();
+}
+
+void Menu::lodToolsClosed() {
+    if (_lodToolsDialog) {
+        delete _lodToolsDialog;
+        _lodToolsDialog = NULL;
+    }
+}
+
 void Menu::cycleFrustumRenderMode() {
     _frustumDrawMode = (FrustumDrawMode)((_frustumDrawMode + 1) % FRUSTUM_DRAW_MODE_COUNT);
     updateFrustumRenderModeAction();

interface/src/Menu.h

@@ -35,6 +35,7 @@ class QSettings;
 
 class BandwidthDialog;
 class VoxelStatsDialog;
+class LodToolsDialog;
 
 class Menu : public QMenuBar {
     Q_OBJECT
@@ -53,15 +54,23 @@ public:
     FrustumDrawMode getFrustumDrawMode() const { return _frustumDrawMode; }
     ViewFrustumOffset getViewFrustumOffset() const { return _viewFrustumOffset; }
     VoxelStatsDialog* getVoxelStatsDialog() const { return _voxelStatsDialog; }
+    LodToolsDialog* getLodToolsDialog() const { return _lodToolsDialog; }
     int getMaxVoxels() const { return _maxVoxels; }
     QAction* getUseVoxelShader() const { return _useVoxelShader; }
 
     
     void handleViewFrustumOffsetKeyModifier(int key);
 
+    // User Tweakable LOD Items
+    void setVoxelSizeScale(float sizeScale);
+    float getVoxelSizeScale() const { return _voxelSizeScale; }
+    void setBoundaryLevelAdjust(int boundaryLevelAdjust);
+    int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
+    
 public slots:
     void bandwidthDetails();
     void voxelStatsDetails();
+    void lodTools();
     void loadSettings(QSettings* settings = NULL);
     void saveSettings(QSettings* settings = NULL);
     void importSettings();
@@ -76,6 +85,7 @@ private slots:
     void goToLocation();
     void bandwidthDetailsClosed();
     void voxelStatsDetailsClosed();
+    void lodToolsClosed();
     void cycleFrustumRenderMode();
     void updateVoxelModeActions();
     void chooseVoxelPaintColor();
@@ -120,7 +130,10 @@ private:
     ViewFrustumOffset _viewFrustumOffset;
     QActionGroup* _voxelModeActionsGroup;
     VoxelStatsDialog* _voxelStatsDialog;
+    LodToolsDialog* _lodToolsDialog;
     int _maxVoxels;
+    float _voxelSizeScale;
+    int _boundaryLevelAdjust;
     QAction* _useVoxelShader;
 };
 
@@ -178,6 +191,7 @@ namespace MenuOption {
     const QString GoHome = "Go Home";
     const QString Gravity = "Use Gravity";
     const QString ParticleCloud = "Particle Cloud";
+    const QString LodTools = "LOD Tools";
     const QString Log = "Log";
     const QString Login = "Login";
     const QString LookAtIndicator = "Look-at Indicator";

interface/src/VoxelSystem.cpp

@@ -109,6 +109,7 @@ VoxelSystem::VoxelSystem(float treeScale, int maxVoxels)
     _useFastVoxelPipeline = false;
     
     _culledOnce = false;
+    _inhideOutOfView = false;
 }
 
 void VoxelSystem::voxelDeleted(VoxelNode* node) {
@@ -139,7 +140,9 @@ void VoxelSystem::voxelUpdated(VoxelNode* node) {
     if (node->getVoxelSystem() == this) {
         bool shouldRender = false; // assume we don't need to render it
         // if it's colored, we might need to render it!
-        shouldRender = node->calculateShouldRender(_viewFrustum);
+        float voxelSizeScale = Menu::getInstance()->getVoxelSizeScale();
+        int boundaryLevelAdjust = Menu::getInstance()->getBoundaryLevelAdjust();
+        shouldRender = node->calculateShouldRender(_viewFrustum, voxelSizeScale, boundaryLevelAdjust);
 
         if (node->getShouldRender() != shouldRender) {
             node->setShouldRender(shouldRender);
@@ -155,7 +158,7 @@ void VoxelSystem::voxelUpdated(VoxelNode* node) {
                 VoxelNode* childNode = node->getChildAtIndex(i);
                 if (childNode) {
                     bool wasShouldRender = childNode->getShouldRender();
-                    bool isShouldRender = childNode->calculateShouldRender(_viewFrustum);
+                    bool isShouldRender = childNode->calculateShouldRender(_viewFrustum, voxelSizeScale, boundaryLevelAdjust);
                     if (wasShouldRender && !isShouldRender) {
                         childrenGotHiddenCount++;
                     }
@@ -923,7 +926,9 @@ int VoxelSystem::newTreeToArrays(VoxelNode* node) {
     int   voxelsUpdated   = 0;
     bool  shouldRender    = false; // assume we don't need to render it
     // if it's colored, we might need to render it!
-    shouldRender = node->calculateShouldRender(_viewFrustum);
+    float voxelSizeScale = Menu::getInstance()->getVoxelSizeScale();;
+    int boundaryLevelAdjust = Menu::getInstance()->getBoundaryLevelAdjust();
+    shouldRender = node->calculateShouldRender(_viewFrustum, voxelSizeScale, boundaryLevelAdjust);
 
     node->setShouldRender(shouldRender);
     // let children figure out their renderness
@@ -1384,6 +1389,10 @@ void VoxelSystem::killLocalVoxels() {
     setupNewVoxelsForDrawing();
 }
 
+void VoxelSystem::redrawInViewVoxels() {
+    hideOutOfView(true);
+}
+
 
 bool VoxelSystem::clearAllNodesBufferIndexOperation(VoxelNode* node, void* extraData) {
     _nodeCount++;
@@ -1771,7 +1780,9 @@ bool VoxelSystem::showAllLocalVoxelsOperation(VoxelNode* node, void* extraData)
 
     args->nodesScanned++;
 
-    bool shouldRender = true; // node->calculateShouldRender(&args->thisViewFrustum);
+    float voxelSizeScale = Menu::getInstance()->getVoxelSizeScale();;
+    int boundaryLevelAdjust = Menu::getInstance()->getBoundaryLevelAdjust();
+    bool shouldRender = node->calculateShouldRender(&args->thisViewFrustum, voxelSizeScale, boundaryLevelAdjust);
     node->setShouldRender(shouldRender);
 
     if (shouldRender) {
@@ -1838,6 +1849,14 @@ public:
 };
 
 void VoxelSystem::hideOutOfView(bool forceFullFrustum) {
+
+    // don't re-enter...
+    if (_inhideOutOfView) {
+        return;
+    }
+    
+    _inhideOutOfView = true;
+
     bool showDebugDetails = Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings);
     PerformanceWarning warn(showDebugDetails, "hideOutOfView()", showDebugDetails);
     bool widenFrustum = true;
@@ -1869,10 +1888,13 @@ void VoxelSystem::hideOutOfView(bool forceFullFrustum) {
     
     if (!forceFullFrustum && _culledOnce && args.lastViewFrustum.isVerySimilar(args.thisViewFrustum)) {
         //printf("view frustum hasn't changed BAIL!!!\n");
+        _inhideOutOfView = false;
         return;
     }
 
+    pthread_mutex_lock(&_treeLock);                                  
     _tree->recurseTreeWithOperation(hideOutOfViewOperation,(void*)&args);
+    pthread_mutex_unlock(&_treeLock);
     _lastCulledViewFrustum = args.thisViewFrustum; // save last stable
     _culledOnce = true;
 
@@ -1890,6 +1912,7 @@ void VoxelSystem::hideOutOfView(bool forceFullFrustum) {
                 args.nodesInsideInside, args.nodesIntersectInside, args.nodesOutsideOutside
             );
     }
+    _inhideOutOfView = false;
 }
 
 bool VoxelSystem::hideAllSubTreeOperation(VoxelNode* node, void* extraData) {
@@ -1947,7 +1970,9 @@ bool VoxelSystem::showAllSubTreeOperation(VoxelNode* node, void* extraData) {
 
     args->nodesInside++;
 
-    bool shouldRender = node->calculateShouldRender(&args->thisViewFrustum);
+    float voxelSizeScale = Menu::getInstance()->getVoxelSizeScale();
+    int boundaryLevelAdjust = Menu::getInstance()->getBoundaryLevelAdjust();
+    bool shouldRender = node->calculateShouldRender(&args->thisViewFrustum, voxelSizeScale, boundaryLevelAdjust);
     node->setShouldRender(shouldRender);
 
     if (shouldRender && !node->isKnownBufferIndex()) {

interface/src/VoxelSystem.h

@@ -83,6 +83,7 @@ public:
     float getVoxelsBytesReadPerSecondAverage();
 
     void killLocalVoxels();
+    void redrawInViewVoxels();
 
     virtual void removeOutOfView();
     virtual void hideOutOfView(bool forceFullFrustum = false);
@@ -298,6 +299,8 @@ private:
     
     bool _inSetupNewVoxelsForDrawing;
     bool _useFastVoxelPipeline;
+    
+    bool _inhideOutOfView;
 };
 
 #endif

interface/src/ui/LodToolsDialog.cpp

@@ -0,0 +1,153 @@
+//
+//  LodToolsDialog.cpp
+//  interface
+//
+//  Created by Brad Hefta-Gaub on 7/19/13.
+//  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
+//
+
+#include <QFormLayout>
+#include <QDialogButtonBox>
+
+#include <QPalette>
+#include <QColor>
+#include <QSlider>
+#include <QPushButton>
+#include <QString>
+
+#include <VoxelConstants.h>
+
+#include "Menu.h"
+#include "ui/LodToolsDialog.h"
+
+
+LodToolsDialog::LodToolsDialog(QWidget* parent) :
+    QDialog(parent, Qt::Window | Qt::WindowCloseButtonHint | Qt::WindowStaysOnTopHint) 
+{
+    this->setWindowTitle("LOD Tools");
+
+    // Create layouter
+    QFormLayout* form = new QFormLayout();
+
+    _lodSize = new QSlider(Qt::Horizontal);
+    const int MAX_LOD_SIZE = MAX_LOD_SIZE_MULTIPLIER;
+    const int MIN_LOD_SIZE = 0;
+    const int STEP_LOD_SIZE = 1;
+    const int PAGE_STEP_LOD_SIZE = 100;
+    const int SLIDER_WIDTH = 300;
+    _lodSize->setMaximum(MAX_LOD_SIZE);
+    _lodSize->setMinimum(MIN_LOD_SIZE);
+    _lodSize->setSingleStep(STEP_LOD_SIZE);
+    _lodSize->setTickInterval(PAGE_STEP_LOD_SIZE);
+    _lodSize->setTickPosition(QSlider::TicksBelow);
+    _lodSize->setFixedWidth(SLIDER_WIDTH);
+    _lodSize->setPageStep(PAGE_STEP_LOD_SIZE);
+    int sliderValue = Menu::getInstance()->getVoxelSizeScale() / TREE_SCALE;
+    _lodSize->setValue(sliderValue);
+    form->addRow("LOD Size Scale:", _lodSize);
+    connect(_lodSize,SIGNAL(valueChanged(int)),this,SLOT(sizeScaleValueChanged(int)));
+
+    _boundaryLevelAdjust = new QSlider(Qt::Horizontal);
+    const int MAX_ADJUST = 10;
+    const int MIN_ADJUST = 0;
+    const int STEP_ADJUST = 1;
+    _boundaryLevelAdjust->setMaximum(MAX_ADJUST);
+    _boundaryLevelAdjust->setMinimum(MIN_ADJUST);
+    _boundaryLevelAdjust->setSingleStep(STEP_ADJUST);
+    _boundaryLevelAdjust->setTickInterval(STEP_ADJUST);
+    _boundaryLevelAdjust->setTickPosition(QSlider::TicksBelow);
+    _boundaryLevelAdjust->setFixedWidth(SLIDER_WIDTH);
+    sliderValue = Menu::getInstance()->getBoundaryLevelAdjust();
+    _boundaryLevelAdjust->setValue(sliderValue);
+    form->addRow("Boundary Level Adjust:", _boundaryLevelAdjust);
+    connect(_boundaryLevelAdjust,SIGNAL(valueChanged(int)),this,SLOT(boundaryLevelValueChanged(int)));
+
+    // Create a label with feedback...
+    _feedback = new QLabel();
+    QPalette palette = _feedback->palette();
+    const unsigned redish  = 0xfff00000;
+    palette.setColor(QPalette::WindowText, QColor::fromRgb(redish));
+    _feedback->setPalette(palette);
+    _feedback->setText(getFeedbackText());
+    const int FEEDBACK_WIDTH = 350;
+    _feedback->setFixedWidth(FEEDBACK_WIDTH);
+    form->addRow("You can see... ", _feedback);
+    
+    // Add a button to reset
+    QPushButton* resetButton = new QPushButton("Reset");
+    form->addRow("", resetButton);
+    connect(resetButton,SIGNAL(clicked(bool)),this,SLOT(resetClicked(bool)));
+
+    this->QDialog::setLayout(form);
+}
+
+QString LodToolsDialog::getFeedbackText() {
+    // determine granularity feedback
+    int boundaryLevelAdjust = Menu::getInstance()->getBoundaryLevelAdjust();
+    QString granularityFeedback;
+
+    switch (boundaryLevelAdjust) {
+        case 0: {
+            granularityFeedback = QString("at standard granularity.");
+        } break;
+        case 1: {
+            granularityFeedback = QString("at half of standard granularity.");
+        } break;
+        case 2: {
+            granularityFeedback = QString("at a third of standard granularity.");
+        } break;
+        default: {
+            granularityFeedback = QString("at 1/%1th of standard granularity.").arg(boundaryLevelAdjust + 1);
+        } break;
+    }
+
+    // distance feedback    
+    float voxelSizeScale = Menu::getInstance()->getVoxelSizeScale();
+    float relativeToDefault = voxelSizeScale / DEFAULT_VOXEL_SIZE_SCALE;
+    QString result;
+    if (relativeToDefault > 1.01) {
+        result = QString("%1 further %2").arg(relativeToDefault,8,'f',2).arg(granularityFeedback);
+    } else if (relativeToDefault > 0.99) {
+            result = QString("the default distance %1").arg(granularityFeedback);
+    } else {
+        result = QString("%1 of default %2").arg(relativeToDefault,8,'f',3).arg(granularityFeedback);
+    }
+    return result;
+}
+
+LodToolsDialog::~LodToolsDialog() {
+    delete _feedback;
+    delete _lodSize;
+    delete _boundaryLevelAdjust;
+}
+
+void LodToolsDialog::sizeScaleValueChanged(int value) {
+    float realValue = value * TREE_SCALE;
+    Menu::getInstance()->setVoxelSizeScale(realValue);
+    
+    _feedback->setText(getFeedbackText());
+}
+
+void LodToolsDialog::boundaryLevelValueChanged(int value) {
+    Menu::getInstance()->setBoundaryLevelAdjust(value);
+    _feedback->setText(getFeedbackText());
+}
+
+void LodToolsDialog::resetClicked(bool checked) {
+    int sliderValue = DEFAULT_VOXEL_SIZE_SCALE / TREE_SCALE;
+    //sizeScaleValueChanged(sliderValue);
+    _lodSize->setValue(sliderValue);
+    _boundaryLevelAdjust->setValue(0);
+}
+
+void LodToolsDialog::reject() {
+    // Just regularly close upon ESC
+    this->QDialog::close();
+}
+
+void LodToolsDialog::closeEvent(QCloseEvent* event) {
+    this->QDialog::closeEvent(event);
+    emit closed();
+}
+
+

interface/src/ui/LodToolsDialog.h

@@ -0,0 +1,48 @@
+//
+//  LodToolsDialog.h
+//  interface
+//
+//  Created by Brad Hefta-Gaub on 7/19/13.
+//  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
+//
+
+#ifndef __hifi__LodToolsDialog__
+#define __hifi__LodToolsDialog__
+
+#include <QDialog>
+#include <QLabel>
+#include <QSlider>
+
+#include <VoxelSceneStats.h>
+
+class LodToolsDialog : public QDialog {
+    Q_OBJECT
+public:
+    // Sets up the UI
+    LodToolsDialog(QWidget* parent);
+    ~LodToolsDialog();
+    
+signals:
+    void closed();
+
+public slots:
+    void reject();
+    void sizeScaleValueChanged(int value);
+    void boundaryLevelValueChanged(int value);
+    void resetClicked(bool checked);
+
+protected:
+
+    // Emits a 'closed' signal when this dialog is closed.
+    void closeEvent(QCloseEvent*);
+
+private:
+    QString getFeedbackText();
+
+    QSlider* _lodSize;
+    QSlider* _boundaryLevelAdjust;
+    QLabel* _feedback;
+};
+
+#endif /* defined(__interface__LodToolsDialog__) */
+

libraries/shared/src/PacketHeaders.cpp

@@ -36,6 +36,9 @@ PACKET_VERSION versionForPacketType(PACKET_TYPE type) {
         case PACKET_TYPE_DOMAIN_REPORT_FOR_DUTY:
             return 1;
         
+        case PACKET_TYPE_VOXEL_QUERY:
+            return 1;
+        
         default:
             return 0;
     }

libraries/voxel-server-library/src/VoxelNodeData.cpp

@@ -23,7 +23,11 @@ VoxelNodeData::VoxelNodeData(Node* owningNode) :
     _viewFrustumChanging(false),
     _viewFrustumJustStoppedChanging(true),
     _currentPacketIsColor(true),
-    _voxelSendThread(NULL)
+    _voxelSendThread(NULL),
+    _lastClientBoundaryLevelAdjust(0),
+    _lastClientVoxelSizeScale(DEFAULT_VOXEL_SIZE_SCALE),
+    _lodChanged(false),
+    _lodInitialized(false)
 {
     _voxelPacket = new unsigned char[MAX_VOXEL_PACKET_SIZE];
     _voxelPacketAt = _voxelPacket;
@@ -140,6 +144,23 @@ bool VoxelNodeData::updateCurrentViewFrustum() {
         currentViewFrustumChanged = true;
     }
     
+    // Also check for LOD changes from the client
+    if (_lodInitialized) {
+        if (_lastClientBoundaryLevelAdjust != getBoundaryLevelAdjust()) {
+            _lastClientBoundaryLevelAdjust = getBoundaryLevelAdjust();
+            _lodChanged = true;
+        }
+        if (_lastClientVoxelSizeScale != getVoxelSizeScale()) {
+            _lastClientVoxelSizeScale = getVoxelSizeScale();
+            _lodChanged = true;
+        }
+    } else {
+        _lodInitialized = true;
+        _lastClientVoxelSizeScale = getVoxelSizeScale();
+        _lastClientBoundaryLevelAdjust = getBoundaryLevelAdjust();
+        _lodChanged = false;
+    }
+    
     // When we first detect that the view stopped changing, we record this.
     // but we don't change it back to false until we've completely sent this
     // scene.
@@ -154,6 +175,7 @@ void VoxelNodeData::setViewSent(bool viewSent) {
     _viewSent = viewSent; 
     if (viewSent) {
         _viewFrustumJustStoppedChanging = false;
+        _lodChanged = false;
     }
 }
 

libraries/voxel-server-library/src/VoxelNodeData.h

@@ -68,6 +68,8 @@ public:
 
     bool getCurrentPacketIsColor() const { return _currentPacketIsColor; };
 
+    bool hasLodChanged() const { return _lodChanged; };
+    
     VoxelSceneStats stats;
     
     void initializeVoxelSendThread(VoxelServer* voxelServer);
@@ -98,6 +100,12 @@ private:
     bool _currentPacketIsColor;
 
     VoxelSendThread* _voxelSendThread;
+
+    // watch for LOD changes
+    int _lastClientBoundaryLevelAdjust;
+    float _lastClientVoxelSizeScale;
+    bool _lodChanged;
+    bool _lodInitialized;
 };
 
 #endif /* defined(__hifi__VoxelNodeData__) */

libraries/voxel-server-library/src/VoxelSendThread.cpp

@@ -175,7 +175,7 @@ void VoxelSendThread::deepestLevelVoxelDistributor(Node* node, VoxelNodeData* no
                 
         // if our view has changed, we need to reset these things...
         if (viewFrustumChanged) {
-            if (_myServer->wantDumpVoxelsOnMove()) {
+            if (_myServer->wantDumpVoxelsOnMove() || nodeData->hasLodChanged()) {
                 nodeData->nodeBag.deleteAll();
             }
             nodeData->map.erase();
@@ -194,7 +194,8 @@ void VoxelSendThread::deepestLevelVoxelDistributor(Node* node, VoxelNodeData* no
         }
         
         // start tracking our stats
-        bool isFullScene = (!viewFrustumChanged || !nodeData->getWantDelta()) && nodeData->getViewFrustumJustStoppedChanging();
+        bool isFullScene = ((!viewFrustumChanged || !nodeData->getWantDelta()) 
+                                && nodeData->getViewFrustumJustStoppedChanging()) || nodeData->hasLodChanged();
         
         // If we're starting a full scene, then definitely we want to empty the nodeBag
         if (isFullScene) {
@@ -250,15 +251,20 @@ void VoxelSendThread::deepestLevelVoxelDistributor(Node* node, VoxelNodeData* no
                 VoxelNode* subTree = nodeData->nodeBag.extract();
                 bool wantOcclusionCulling = nodeData->getWantOcclusionCulling();
                 CoverageMap* coverageMap = wantOcclusionCulling ? &nodeData->map : IGNORE_COVERAGE_MAP;
-                int boundaryLevelAdjust = viewFrustumChanged && nodeData->getWantLowResMoving() 
-                                          ? LOW_RES_MOVING_ADJUST : NO_BOUNDARY_ADJUST;
 
-                bool isFullScene = (!viewFrustumChanged || !nodeData->getWantDelta()) && 
+                float voxelSizeScale = nodeData->getVoxelSizeScale();
-                                 nodeData->getViewFrustumJustStoppedChanging();
+                int boundaryLevelAdjustClient = nodeData->getBoundaryLevelAdjust();
+
+                int boundaryLevelAdjust = boundaryLevelAdjustClient + (viewFrustumChanged && nodeData->getWantLowResMoving() 
+                                                                              ? LOW_RES_MOVING_ADJUST : NO_BOUNDARY_ADJUST);
+
+
+                bool isFullScene = ((!viewFrustumChanged || !nodeData->getWantDelta()) && 
+                                 nodeData->getViewFrustumJustStoppedChanging()) || nodeData->hasLodChanged();
                 
                 EncodeBitstreamParams params(INT_MAX, &nodeData->getCurrentViewFrustum(), wantColor, 
                                              WANT_EXISTS_BITS, DONT_CHOP, wantDelta, lastViewFrustum,
-                                             wantOcclusionCulling, coverageMap, boundaryLevelAdjust,
+                                             wantOcclusionCulling, coverageMap, boundaryLevelAdjust, voxelSizeScale,
                                              nodeData->getLastTimeBagEmpty(),
                                              isFullScene, &nodeData->stats, _myServer->getJurisdiction());
                       

libraries/voxels/src/VoxelConstants.h

@@ -13,6 +13,7 @@
 #define __hifi_VoxelConstants_h__
 
 #include <limits.h>
+#include <stdint.h>
 #include <OctalCode.h>
 #include <glm/glm.hpp>
 
@@ -27,7 +28,8 @@ const uint64_t CHANGE_FUDGE = 1000 * 200; // useconds of fudge in determining if
 const int   TREE_SCALE = 16384; // ~10 miles.. This is the number of meters of the 0.0 to 1.0 voxel universe
 
 // This controls the LOD. Larger number will make smaller voxels visible at greater distance.
-const float VOXEL_SIZE_SCALE = TREE_SCALE * 400.0f; 
+const float DEFAULT_VOXEL_SIZE_SCALE = TREE_SCALE * 400.0f; 
+const float MAX_LOD_SIZE_MULTIPLIER = 2000.0f;
 
 const int NUMBER_OF_CHILDREN = 8;
 const int MAX_VOXEL_PACKET_SIZE = 1492;

libraries/voxels/src/VoxelNode.cpp

@@ -1371,12 +1371,12 @@ ViewFrustum::location VoxelNode::inFrustum(const ViewFrustum& viewFrustum) const
 //    Since, if we know the camera position and orientation, we can know which of the corners is the "furthest" 
 //    corner. We can use we can use this corner as our "voxel position" to do our distance calculations off of.
 //    By doing this, we don't need to test each child voxel's position vs the LOD boundary
-bool VoxelNode::calculateShouldRender(const ViewFrustum* viewFrustum, int boundaryLevelAdjust) const {
+bool VoxelNode::calculateShouldRender(const ViewFrustum* viewFrustum, float voxelScaleSize, int boundaryLevelAdjust) const {
     bool shouldRender = false;
     if (isColored()) {
         float furthestDistance = furthestDistanceToCamera(*viewFrustum);
-        float boundary         = boundaryDistanceForRenderLevel(getLevel() + boundaryLevelAdjust);
+        float boundary         = boundaryDistanceForRenderLevel(getLevel() + boundaryLevelAdjust, voxelScaleSize);
-        float childBoundary    = boundaryDistanceForRenderLevel(getLevel() + 1 + boundaryLevelAdjust);
+        float childBoundary    = boundaryDistanceForRenderLevel(getLevel() + 1 + boundaryLevelAdjust, voxelScaleSize);
         bool  inBoundary       = (furthestDistance <= boundary);
         bool  inChildBoundary  = (furthestDistance <= childBoundary);
         shouldRender = (isLeaf() && inChildBoundary) || (inBoundary && !inChildBoundary);

libraries/voxels/src/VoxelNode.h

@@ -69,7 +69,8 @@ public:
     float distanceToCamera(const ViewFrustum& viewFrustum) const; 
     float furthestDistanceToCamera(const ViewFrustum& viewFrustum) const;
 
-    bool calculateShouldRender(const ViewFrustum* viewFrustum, int boundaryLevelAdjust = 0) const;
+    bool calculateShouldRender(const ViewFrustum* viewFrustum, 
+                float voxelSizeScale = DEFAULT_VOXEL_SIZE_SCALE, int boundaryLevelAdjust = 0) const;
     
     // points are assumed to be in Voxel Coordinates (not TREE_SCALE'd)
     float distanceSquareToPoint(const glm::vec3& point) const; // when you don't need the actual distance, use this.

libraries/voxels/src/VoxelQuery.cpp

@@ -35,7 +35,8 @@ VoxelQuery::VoxelQuery(Node* owningNode) :
     _wantDelta(true),
     _wantLowResMoving(true),
     _wantOcclusionCulling(true),
-    _maxVoxelPPS(DEFAULT_MAX_VOXEL_PPS)
+    _maxVoxelPPS(DEFAULT_MAX_VOXEL_PPS),
+    _voxelSizeScale(DEFAULT_VOXEL_SIZE_SCALE)
 {
     
 }
@@ -79,6 +80,14 @@ int VoxelQuery::getBroadcastData(unsigned char* destinationBuffer) {
     memcpy(destinationBuffer, &_maxVoxelPPS, sizeof(_maxVoxelPPS));
     destinationBuffer += sizeof(_maxVoxelPPS);
 
+    // desired voxelSizeScale
+    memcpy(destinationBuffer, &_voxelSizeScale, sizeof(_voxelSizeScale));
+    destinationBuffer += sizeof(_voxelSizeScale);
+
+    // desired boundaryLevelAdjust
+    memcpy(destinationBuffer, &_boundaryLevelAdjust, sizeof(_boundaryLevelAdjust));
+    destinationBuffer += sizeof(_boundaryLevelAdjust);
+    
     return destinationBuffer - bufferStart;
 }
 
@@ -121,6 +130,14 @@ int VoxelQuery::parseData(unsigned char* sourceBuffer, int numBytes) {
     memcpy(&_maxVoxelPPS, sourceBuffer, sizeof(_maxVoxelPPS));
     sourceBuffer += sizeof(_maxVoxelPPS);
 
+    // desired voxelSizeScale
+    memcpy(&_voxelSizeScale, sourceBuffer, sizeof(_voxelSizeScale));
+    sourceBuffer += sizeof(_voxelSizeScale);
+
+    // desired boundaryLevelAdjust
+    memcpy(&_boundaryLevelAdjust, sourceBuffer, sizeof(_boundaryLevelAdjust));
+    sourceBuffer += sizeof(_boundaryLevelAdjust);
+
     return sourceBuffer - startPosition;
 }
 

libraries/voxels/src/VoxelQuery.h

@@ -69,6 +69,8 @@ public:
     bool getWantLowResMoving() const { return _wantLowResMoving; }
     bool getWantOcclusionCulling() const { return _wantOcclusionCulling; }
     int getMaxVoxelPacketsPerSecond() const { return _maxVoxelPPS; }
+    float getVoxelSizeScale() const { return _voxelSizeScale; }
+    int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
     
 public slots:
     void setWantLowResMoving(bool wantLowResMoving) { _wantLowResMoving = wantLowResMoving; }
@@ -76,6 +78,8 @@ public slots:
     void setWantDelta(bool wantDelta) { _wantDelta = wantDelta; }
     void setWantOcclusionCulling(bool wantOcclusionCulling) { _wantOcclusionCulling = wantOcclusionCulling; }
     void setMaxVoxelPacketsPerSecond(int maxVoxelPPS) { _maxVoxelPPS = maxVoxelPPS; }
+    void setVoxelSizeScale(float voxelSizeScale) { _voxelSizeScale = voxelSizeScale; }
+    void setBoundaryLevelAdjust(int boundaryLevelAdjust) { _boundaryLevelAdjust = boundaryLevelAdjust; }
     
 protected:
     QUuid _uuid;
@@ -95,6 +99,8 @@ protected:
     bool _wantLowResMoving;
     bool _wantOcclusionCulling;
     int _maxVoxelPPS;
+    float _voxelSizeScale; /// used for LOD calculations
+    int _boundaryLevelAdjust; /// used for LOD calculations
     
 private:
     // privatize the copy constructor and assignment operator so they cannot be called

libraries/voxels/src/VoxelTree.cpp

@@ -33,13 +33,8 @@
 #include "VoxelTree.h"
 #include <PacketHeaders.h>
 
-float boundaryDistanceForRenderLevel(unsigned int renderLevel) {
+float boundaryDistanceForRenderLevel(unsigned int renderLevel, float voxelSizeScale) {
-    return ::VOXEL_SIZE_SCALE / powf(2, renderLevel);
+    return voxelSizeScale / powf(2, renderLevel);
-}
-
-float boundaryDistanceSquaredForRenderLevel(unsigned int renderLevel) {
-    const float voxelSizeScale = (::VOXEL_SIZE_SCALE/TREE_SCALE) * (::VOXEL_SIZE_SCALE/TREE_SCALE);
-    return voxelSizeScale / powf(2, (2 * renderLevel));
 }
 
 VoxelTree::VoxelTree(bool shouldReaverage) :
@@ -1114,7 +1109,8 @@ int VoxelTree::encodeTreeBitstreamRecursion(VoxelNode* node, unsigned char* outp
     // caller can pass NULL as viewFrustum if they want everything
     if (params.viewFrustum) {
         float distance = node->distanceToCamera(*params.viewFrustum);
-        float boundaryDistance = boundaryDistanceForRenderLevel(node->getLevel() + params.boundaryLevelAdjust);
+        float boundaryDistance = boundaryDistanceForRenderLevel(node->getLevel() + params.boundaryLevelAdjust, 
+                                        params.voxelSizeScale);
 
         // If we're too far away for our render level, then just return
         if (distance >= boundaryDistance) {
@@ -1288,7 +1284,8 @@ int VoxelTree::encodeTreeBitstreamRecursion(VoxelNode* node, unsigned char* outp
             // Before we determine consider this further, let's see if it's in our LOD scope...
             float distance = distancesToChildren[i]; // params.viewFrustum ? childNode->distanceToCamera(*params.viewFrustum) : 0;
             float boundaryDistance = !params.viewFrustum ? 1 :
-                                     boundaryDistanceForRenderLevel(childNode->getLevel() + params.boundaryLevelAdjust);
+                                     boundaryDistanceForRenderLevel(childNode->getLevel() + params.boundaryLevelAdjust, 
+                                            params.voxelSizeScale);
 
             if (!(distance < boundaryDistance)) {
                 // don't need to check childNode here, because we can't get here with no childNode
@@ -1341,7 +1338,8 @@ int VoxelTree::encodeTreeBitstreamRecursion(VoxelNode* node, unsigned char* outp
 
                 bool shouldRender = !params.viewFrustum 
                                     ? true 
-                                    : childNode->calculateShouldRender(params.viewFrustum, params.boundaryLevelAdjust);
+                                    : childNode->calculateShouldRender(params.viewFrustum, 
+                                                    params.voxelSizeScale, params.boundaryLevelAdjust);
                      
                 // track some stats               
                 if (params.stats) {

libraries/voxels/src/VoxelTree.h

@@ -57,6 +57,7 @@ public:
     const ViewFrustum* lastViewFrustum;
     bool wantOcclusionCulling;
     int boundaryLevelAdjust;
+    float voxelSizeScale;
     uint64_t lastViewFrustumSent;
     bool forceSendScene;
     VoxelSceneStats* stats;
@@ -74,6 +75,7 @@ public:
         bool wantOcclusionCulling = NO_OCCLUSION_CULLING,
         CoverageMap* map = IGNORE_COVERAGE_MAP,
         int boundaryLevelAdjust = NO_BOUNDARY_ADJUST,
+        float voxelSizeScale = DEFAULT_VOXEL_SIZE_SCALE,
         uint64_t lastViewFrustumSent = IGNORE_LAST_SENT,
         bool forceSendScene = true,
         VoxelSceneStats* stats = IGNORE_SCENE_STATS,
@@ -88,6 +90,7 @@ public:
             lastViewFrustum(lastViewFrustum),
             wantOcclusionCulling(wantOcclusionCulling),
             boundaryLevelAdjust(boundaryLevelAdjust),
+            voxelSizeScale(voxelSizeScale),
             lastViewFrustumSent(lastViewFrustumSent),
             forceSendScene(forceSendScene),
             stats(stats),
@@ -265,7 +268,6 @@ private:
     void chunkifyLeaf(VoxelNode* node);
 };
 
-float boundaryDistanceForRenderLevel(unsigned int renderLevel);
+float boundaryDistanceForRenderLevel(unsigned int renderLevel, float voxelSizeScale);
-float boundaryDistanceSquaredForRenderLevel(unsigned int renderLevel);
 
 #endif /* defined(__hifi__VoxelTree__) */