Merge branch 'master' of https://github.com/highfidelity/hifi into third-person-lasers

assignment-client/src/audio/AudioMixer.cpp

@@ -94,7 +94,8 @@ AudioMixer::AudioMixer(ReceivedMessage& message) :
     packetReceiver.registerListener(PacketType::MuteEnvironment, this, "handleMuteEnvironmentPacket");
     packetReceiver.registerListener(PacketType::NodeIgnoreRequest, this, "handleNodeIgnoreRequestPacket");
     packetReceiver.registerListener(PacketType::KillAvatar, this, "handleKillAvatarPacket");
-
+    packetReceiver.registerListener(PacketType::NodeMuteRequest, this, "handleNodeMuteRequestPacket");
+    
     connect(nodeList.data(), &NodeList::nodeKilled, this, &AudioMixer::handleNodeKilled);
 }
 
@@ -599,6 +600,23 @@ void AudioMixer::handleNodeKilled(SharedNodePointer killedNode) {
     });
 }
 
+void AudioMixer::handleNodeMuteRequestPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode) {
+    auto nodeList = DependencyManager::get<NodeList>();
+    QUuid nodeUUID = QUuid::fromRfc4122(packet->readWithoutCopy(NUM_BYTES_RFC4122_UUID));
+    if (sendingNode->getCanKick()) {
+        auto node = nodeList->nodeWithUUID(nodeUUID);
+        if (node) {
+            // we need to set a flag so we send them the appropriate packet to mute them
+            AudioMixerClientData* nodeData = (AudioMixerClientData*)node->getLinkedData();
+            nodeData->setShouldMuteClient(true);
+        } else {
+            qWarning() << "Node mute packet received for unknown node " << uuidStringWithoutCurlyBraces(nodeUUID);
+        }
+    } else {
+        qWarning() << "Node mute packet received from node that cannot mute, ignoring";
+    }
+}
+
 void AudioMixer::handleKillAvatarPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode) {
     auto clientData = dynamic_cast<AudioMixerClientData*>(sendingNode->getLinkedData());
     if (clientData) {
@@ -814,9 +832,13 @@ void AudioMixer::broadcastMixes() {
 
                 // if the stream should be muted, send mute packet
                 if (nodeData->getAvatarAudioStream()
-                    && shouldMute(nodeData->getAvatarAudioStream()->getQuietestFrameLoudness())) {
+                    && (shouldMute(nodeData->getAvatarAudioStream()->getQuietestFrameLoudness()) 
+                        || nodeData->shouldMuteClient())) {
                     auto mutePacket = NLPacket::create(PacketType::NoisyMute, 0);
                     nodeList->sendPacket(std::move(mutePacket), *node);
+
+                    // probably now we just reset the flag, once should do it (?)
+                    nodeData->setShouldMuteClient(false);
                 }
 
                 if (node->getType() == NodeType::Agent && node->getActiveSocket()

assignment-client/src/audio/AudioMixer.h

@@ -49,6 +49,7 @@ private slots:
     void handleNodeKilled(SharedNodePointer killedNode);
     void handleNodeIgnoreRequestPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode);
     void handleKillAvatarPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode);
+    void handleNodeMuteRequestPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode);
 
     void removeHRTFsForFinishedInjector(const QUuid& streamID);
 

assignment-client/src/audio/AudioMixerClientData.h

@@ -86,6 +86,9 @@ public:
     bool shouldFlushEncoder() { return _shouldFlushEncoder; }
 
     QString getCodecName() { return _selectedCodecName; }
+    
+    bool shouldMuteClient() { return _shouldMuteClient; }
+    void setShouldMuteClient(bool shouldMuteClient) { _shouldMuteClient = shouldMuteClient; }
 
 signals:
     void injectorStreamFinished(const QUuid& streamIdentifier);
@@ -114,6 +117,8 @@ private:
     Decoder* _decoder{ nullptr }; // for mic stream
 
     bool _shouldFlushEncoder { false };
+
+    bool _shouldMuteClient { false };
 };
 
 #endif // hifi_AudioMixerClientData_h

cmake/macros/MemoryDebugger.cmake

@@ -16,6 +16,7 @@ if (HIFI_MEMORY_DEBUGGING)
   if (UNIX)
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -U_FORTIFY_SOURCE -fno-stack-protector -fno-omit-frame-pointer")
     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libasan -static-libstdc++ -fsanitize=address")
+    SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libasan -static-libstdc++ -fsanitize=address")
   endif (UNIX)
 endif ()
 endmacro(SETUP_MEMORY_DEBUGGER)

domain-server/resources/describe-settings.json

@@ -388,6 +388,23 @@
           "default": "",
           "advanced": false
         },
+        {
+          "name": "ac_subnet_whitelist",
+          "label": "Assignment Client IP address Whitelist",
+          "type": "table",
+          "can_add_new_rows": true,
+          "help": "The IP addresses or subnets of ACs that can connect to this server. You can specify an IP address or a subnet in CIDR notation ('A.B.C.D/E', Example: '10.0.0.0/24'). Local ACs (localhost) are always permitted and do not need to be added here.",
+          "numbered": false,
+          "advanced": true,
+          "columns": [
+            {
+              "name": "ip",
+              "label": "IP Address",
+              "type": "ip",
+              "can_set": true
+            }
+          ]
+        },
         {
           "name": "standard_permissions",
           "type": "table",

domain-server/src/DomainServer.cpp

@@ -158,6 +158,42 @@ DomainServer::DomainServer(int argc, char* argv[]) :
 
 
     qDebug() << "domain-server is running";
+    static const QString AC_SUBNET_WHITELIST_SETTING_PATH = "security.ac_subnet_whitelist";
+
+    static const Subnet LOCALHOST { QHostAddress("127.0.0.1"), 32 };
+    _acSubnetWhitelist = { LOCALHOST };
+
+    auto whitelist = _settingsManager.valueOrDefaultValueForKeyPath(AC_SUBNET_WHITELIST_SETTING_PATH).toStringList();
+    for (auto& subnet : whitelist) {
+        auto netmaskParts = subnet.trimmed().split("/");
+
+        if (netmaskParts.size() > 2) {
+            qDebug() << "Ignoring subnet in whitelist, malformed: " << subnet;
+            continue;
+        }
+
+        // The default netmask is 32 if one has not been specified, which will
+        // match only the ip provided.
+        int netmask = 32;
+
+        if (netmaskParts.size() == 2) {
+            bool ok;
+            netmask = netmaskParts[1].toInt(&ok);
+            if (!ok) {
+                qDebug() << "Ignoring subnet in whitelist, bad netmask: " << subnet;
+                continue;
+            }
+        }
+
+        auto ip = QHostAddress(netmaskParts[0]);
+
+        if (!ip.isNull()) {
+            qDebug() << "Adding AC whitelist subnet: " << subnet << " -> " << (ip.toString() + "/" + QString::number(netmask));
+            _acSubnetWhitelist.push_back({ ip , netmask });
+        } else {
+            qDebug() << "Ignoring subnet in whitelist, invalid ip portion: " << subnet;
+        }
+    }
 }
 
 void DomainServer::parseCommandLine() {
@@ -1001,6 +1037,21 @@ void DomainServer::processRequestAssignmentPacket(QSharedPointer<ReceivedMessage
     // construct the requested assignment from the packet data
     Assignment requestAssignment(*message);
 
+    auto senderAddr = message->getSenderSockAddr().getAddress();
+
+    auto isHostAddressInSubnet = [&senderAddr](const Subnet& mask) -> bool {
+        return senderAddr.isInSubnet(mask);
+    };
+
+    auto it = find_if(_acSubnetWhitelist.begin(), _acSubnetWhitelist.end(), isHostAddressInSubnet);
+    if (it == _acSubnetWhitelist.end()) {
+        static QString repeatedMessage = LogHandler::getInstance().addRepeatedMessageRegex(
+            "Received an assignment connect request from a disallowed ip address: [^ ]+");
+        qDebug() << "Received an assignment connect request from a disallowed ip address:"
+            << senderAddr.toString();
+        return;
+    }
+
     // Suppress these for Assignment::AgentType to once per 5 seconds
     static QElapsedTimer noisyMessageTimer;
     static bool wasNoisyTimerStarted = false;

domain-server/src/DomainServer.h

@@ -36,6 +36,9 @@
 typedef QSharedPointer<Assignment> SharedAssignmentPointer;
 typedef QMultiHash<QUuid, WalletTransaction*> TransactionHash;
 
+using Subnet = QPair<QHostAddress, int>;
+using SubnetList = std::vector<Subnet>;
+
 class DomainServer : public QCoreApplication, public HTTPSRequestHandler {
     Q_OBJECT
 public:
@@ -156,6 +159,8 @@ private:
 
     void setupGroupCacheRefresh();
 
+    SubnetList _acSubnetWhitelist;
+
     DomainGatekeeper _gatekeeper;
 
     HTTPManager _httpManager;

domain-server/src/DomainServerSettingsManager.cpp

@@ -634,7 +634,6 @@ bool DomainServerSettingsManager::ensurePermissionsForGroupRanks() {
     return changed;
 }
 
-
 void DomainServerSettingsManager::processNodeKickRequestPacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer sendingNode) {
     // before we do any processing on this packet make sure it comes from a node that is allowed to kick
     if (sendingNode->getCanKick()) {
@@ -1077,6 +1076,9 @@ QJsonObject DomainServerSettingsManager::settingDescriptionFromGroup(const QJson
 }
 
 bool DomainServerSettingsManager::recurseJSONObjectAndOverwriteSettings(const QJsonObject& postedObject) {
+    static const QString SECURITY_ROOT_KEY = "security";
+    static const QString AC_SUBNET_WHITELIST_KEY = "ac_subnet_whitelist";
+
     auto& settingsVariant = _configMap.getConfig();
     bool needRestart = false;
 
@@ -1127,7 +1129,7 @@ bool DomainServerSettingsManager::recurseJSONObjectAndOverwriteSettings(const QJ
 
             if (!matchingDescriptionObject.isEmpty()) {
                 updateSetting(rootKey, rootValue, *thisMap, matchingDescriptionObject);
-                if (rootKey != "security") {
+                if (rootKey != SECURITY_ROOT_KEY) {
                     needRestart = true;
                 }
             } else {
@@ -1143,7 +1145,7 @@ bool DomainServerSettingsManager::recurseJSONObjectAndOverwriteSettings(const QJ
                 if (!matchingDescriptionObject.isEmpty()) {
                     QJsonValue settingValue = rootValue.toObject()[settingKey];
                     updateSetting(settingKey, settingValue, *thisMap, matchingDescriptionObject);
-                    if (rootKey != "security") {
+                    if (rootKey != SECURITY_ROOT_KEY || settingKey == AC_SUBNET_WHITELIST_KEY) {
                         needRestart = true;
                     }
                 } else {

interface/resources/qml/Stats.qml

@@ -69,6 +69,10 @@ Item {
                     StatText {
                         text: "Present Drop Rate: " + root.presentdroprate.toFixed(2);
                     }
+                    StatText {
+                        text: "Stutter Rate: " + root.stutterrate.toFixed(3);
+                        visible: root.stutterrate != -1;
+                    }
                     StatText {
                         text: "Simrate: " + root.simrate
                     }
@@ -241,7 +245,7 @@ Item {
                         text: "GPU Buffers: "
                     }
                     StatText {
-                        text: "  Count: " + root.gpuTextures;
+                        text: "  Count: " + root.gpuBuffers;
                     }
                     StatText {
                         text: "  Memory: " + root.gpuBufferMemory;

interface/src/Application.cpp

@@ -1197,6 +1197,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
         properties["present_rate"] = displayPlugin->presentRate();
         properties["new_frame_present_rate"] = displayPlugin->newFramePresentRate();
         properties["dropped_frame_rate"] = displayPlugin->droppedFrameRate();
+        properties["stutter_rate"] = displayPlugin->stutterRate();
         properties["sim_rate"] = getAverageSimsPerSecond();
         properties["avatar_sim_rate"] = getAvatarSimrate();
         properties["has_async_reprojection"] = displayPlugin->hasAsyncReprojection();

interface/src/avatar/MyAvatar.cpp

@@ -1848,7 +1848,7 @@ void MyAvatar::clampTargetScaleToDomainLimits() {
 
     if (clampedTargetScale != _targetScale) {
         qCDebug(interfaceapp, "Clamped scale to %f since original target scale %f was not allowed by domain",
-                clampedTargetScale, _targetScale);
+                (double)clampedTargetScale, (double)_targetScale);
 
         setTargetScale(clampedTargetScale);
     }
@@ -1863,7 +1863,7 @@ void MyAvatar::clampScaleChangeToDomainLimits(float desiredScale) {
     }
 
     setTargetScale(clampedTargetScale);
-    qCDebug(interfaceapp, "Changed scale to %f", _targetScale);
+    qCDebug(interfaceapp, "Changed scale to %f", (double)_targetScale);
 }
 
 void MyAvatar::increaseSize() {
@@ -1915,14 +1915,14 @@ void MyAvatar::restrictScaleFromDomainSettings(const QJsonObject& domainSettings
     }
 
     qCDebug(interfaceapp, "This domain requires a minimum avatar scale of %f and a maximum avatar scale of %f",
-            _domainMinimumScale, _domainMaximumScale);
+            (double)_domainMinimumScale, (double)_domainMaximumScale);
 
     // debug to log if this avatar's scale in this domain will be clamped
     auto clampedScale = glm::clamp(_targetScale, _domainMinimumScale, _domainMaximumScale);
 
     if (_targetScale != clampedScale) {
         qCDebug(interfaceapp, "Avatar scale will be clamped to %f because %f is not allowed by current domain",
-                clampedScale, _targetScale);
+                (double)clampedScale, (double)_targetScale);
     }
 }
 

interface/src/ui/Stats.cpp

@@ -128,7 +128,8 @@ void Stats::updateStats(bool force) {
         STAT_UPDATE(renderrate, displayPlugin->renderRate());
         STAT_UPDATE(presentrate, displayPlugin->presentRate());
         STAT_UPDATE(presentnewrate, displayPlugin->newFramePresentRate());
-        STAT_UPDATE(presentdroprate, qApp->getActiveDisplayPlugin()->droppedFrameRate());
+        STAT_UPDATE(presentdroprate, displayPlugin->droppedFrameRate());
+        STAT_UPDATE(stutterrate, displayPlugin->stutterRate());
     } else {
         STAT_UPDATE(presentrate, -1);
         STAT_UPDATE(presentnewrate, -1);

interface/src/ui/Stats.h

@@ -36,7 +36,9 @@ class Stats : public QQuickItem {
     STATS_PROPERTY(float, renderrate, 0)
     // How often the display plugin is presenting to the device
     STATS_PROPERTY(float, presentrate, 0)
-    
+    // How often the display device reprojecting old frames
+    STATS_PROPERTY(float, stutterrate, 0)
+
     STATS_PROPERTY(float, presentnewrate, 0)
     STATS_PROPERTY(float, presentdroprate, 0)
     STATS_PROPERTY(int, simrate, 0)
@@ -140,6 +142,7 @@ signals:
     void presentrateChanged();
     void presentnewrateChanged();
     void presentdroprateChanged();
+    void stutterrateChanged();
     void simrateChanged();
     void avatarSimrateChanged();
     void avatarCountChanged();

libraries/display-plugins/src/display-plugins/Basic2DWindowOpenGLDisplayPlugin.h

@@ -18,7 +18,7 @@ class Basic2DWindowOpenGLDisplayPlugin : public OpenGLDisplayPlugin {
     Q_OBJECT
     using Parent = OpenGLDisplayPlugin;
 public:
-    virtual const QString& getName() const override { return NAME; }
+    virtual const QString getName() const override { return NAME; }
 
     virtual float getTargetFrameRate() const override { return  _framerateTarget ? (float) _framerateTarget : TARGET_FRAMERATE_Basic2DWindowOpenGL; }
 

libraries/display-plugins/src/display-plugins/NullDisplayPlugin.h

@@ -12,7 +12,7 @@
 class NullDisplayPlugin : public DisplayPlugin {
 public:
     ~NullDisplayPlugin() final {}
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
     grouping getGrouping() const override { return DEVELOPER; }
 
     glm::uvec2 getRecommendedRenderSize() const override;

libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp

@@ -758,7 +758,6 @@ void OpenGLDisplayPlugin::render(std::function<void(gpu::Batch& batch)> f) {
 
 
 OpenGLDisplayPlugin::~OpenGLDisplayPlugin() {
-    qDebug() << "Destroying OpenGLDisplayPlugin";
 }
 
 void OpenGLDisplayPlugin::updateCompositeFramebuffer() {

libraries/display-plugins/src/display-plugins/hmd/DebugHmdDisplayPlugin.h

@@ -13,7 +13,7 @@ class DebugHmdDisplayPlugin : public HmdDisplayPlugin {
     using Parent = HmdDisplayPlugin;
 
 public:
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
     grouping getGrouping() const override { return DEVELOPER; }
 
     bool isSupported() const override;

libraries/display-plugins/src/display-plugins/hmd/HmdDisplayPlugin.cpp

@@ -710,3 +710,7 @@ void HmdDisplayPlugin::compositeExtra() {
 HmdDisplayPlugin::~HmdDisplayPlugin() {
     qDebug() << "Destroying HmdDisplayPlugin";
 }
+
+float HmdDisplayPlugin::stutterRate() const {
+    return _stutterRate.rate();
+}

libraries/display-plugins/src/display-plugins/hmd/HmdDisplayPlugin.h

@@ -44,6 +44,8 @@ public:
         return false;
     }
 
+    float stutterRate() const override;
+
 protected:
     virtual void hmdPresent() = 0;
     virtual bool isHmdMounted() const = 0;
@@ -108,8 +110,9 @@ protected:
     QMap<uint32_t, FrameInfo> _frameInfos;
     FrameInfo _currentPresentFrameInfo;
     FrameInfo _currentRenderFrameInfo;
+    RateCounter<> _stutterRate;
 
-    bool _disablePreview{ true };
+    bool _disablePreview { true };
 private:
     ivec4 getViewportForSourceSize(const uvec2& size) const;
     float getLeftCenterPixel() const;

libraries/display-plugins/src/display-plugins/stereo/InterleavedStereoDisplayPlugin.h

@@ -13,7 +13,7 @@ class InterleavedStereoDisplayPlugin : public StereoDisplayPlugin {
     Q_OBJECT
     using Parent = StereoDisplayPlugin;
 public:
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
     grouping getGrouping() const override { return ADVANCED; }
     glm::uvec2 getRecommendedRenderSize() const override;
 

libraries/display-plugins/src/display-plugins/stereo/SideBySideStereoDisplayPlugin.h

@@ -15,7 +15,7 @@ class SideBySideStereoDisplayPlugin : public StereoDisplayPlugin {
     Q_OBJECT
     using Parent = StereoDisplayPlugin;
 public:
-    virtual const QString& getName() const override { return NAME; }
+    virtual const QString getName() const override { return NAME; }
     virtual grouping getGrouping() const override { return ADVANCED; }
     virtual glm::uvec2 getRecommendedRenderSize() const override;
 

libraries/entities/src/EntityItem.cpp

@@ -43,6 +43,7 @@ EntityItem::EntityItem(const EntityItemID& entityItemID) :
     _lastSimulated(0),
     _lastUpdated(0),
     _lastEdited(0),
+    _lastEditedBy(ENTITY_ITEM_DEFAULT_LAST_EDITED_BY),
     _lastEditedFromRemote(0),
     _lastEditedFromRemoteInRemoteTime(0),
     _created(UNKNOWN_CREATED_TIME),
@@ -141,6 +142,8 @@ EntityPropertyFlags EntityItem::getEntityProperties(EncodeBitstreamParams& param
     requestedProperties += PROP_CLIENT_ONLY;
     requestedProperties += PROP_OWNING_AVATAR_ID;
 
+    requestedProperties += PROP_LAST_EDITED_BY;
+
     return requestedProperties;
 }
 
@@ -279,6 +282,7 @@ OctreeElement::AppendState EntityItem::appendEntityData(OctreePacketData* packet
         APPEND_ENTITY_PROPERTY(PROP_PARENT_ID, getParentID());
         APPEND_ENTITY_PROPERTY(PROP_PARENT_JOINT_INDEX, getParentJointIndex());
         APPEND_ENTITY_PROPERTY(PROP_QUERY_AA_CUBE, getQueryAACube());
+        APPEND_ENTITY_PROPERTY(PROP_LAST_EDITED_BY, getLastEditedBy());
 
         appendSubclassData(packetData, params, entityTreeElementExtraEncodeData,
                                 requestedProperties,
@@ -803,6 +807,7 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
     }
 
     READ_ENTITY_PROPERTY(PROP_QUERY_AA_CUBE, AACube, setQueryAACube);
+    READ_ENTITY_PROPERTY(PROP_LAST_EDITED_BY, QUuid, setLastEditedBy);
 
     bytesRead += readEntitySubclassDataFromBuffer(dataAt, (bytesLeftToRead - bytesRead), args,
                                                   propertyFlags, overwriteLocalData, somethingChanged);
@@ -1205,6 +1210,8 @@ EntityItemProperties EntityItem::getProperties(EntityPropertyFlags desiredProper
     COPY_ENTITY_PROPERTY_TO_PROPERTIES(clientOnly, getClientOnly);
     COPY_ENTITY_PROPERTY_TO_PROPERTIES(owningAvatarID, getOwningAvatarID);
 
+    COPY_ENTITY_PROPERTY_TO_PROPERTIES(lastEditedBy, getLastEditedBy);
+
     properties._defaultSettings = false;
 
     return properties;
@@ -1307,6 +1314,8 @@ bool EntityItem::setProperties(const EntityItemProperties& properties) {
     SET_ENTITY_PROPERTY_FROM_PROPERTIES(clientOnly, setClientOnly);
     SET_ENTITY_PROPERTY_FROM_PROPERTIES(owningAvatarID, setOwningAvatarID);
 
+    SET_ENTITY_PROPERTY_FROM_PROPERTIES(lastEditedBy, setLastEditedBy);
+
     AACube saveQueryAACube = _queryAACube;
     checkAndAdjustQueryAACube();
     if (saveQueryAACube != _queryAACube) {

libraries/entities/src/EntityItem.h

@@ -449,6 +449,9 @@ public:
 
     virtual void emitScriptEvent(const QVariant& message) {}
 
+    QUuid getLastEditedBy() const { return _lastEditedBy; }
+    void setLastEditedBy(QUuid value) { _lastEditedBy = value; }
+
 protected:
 
     void setSimulated(bool simulated) { _simulated = simulated; }
@@ -464,6 +467,7 @@ protected:
                             // and physics changes
     quint64 _lastUpdated; // last time this entity called update(), this includes animations and non-physics changes
     quint64 _lastEdited; // last official local or remote edit time
+    QUuid _lastEditedBy; // id of last editor
     quint64 _lastBroadcast; // the last time we sent an edit packet about this entity
 
     quint64 _lastEditedFromRemote; // last time we received and edit from the server

libraries/entities/src/EntityItemProperties.cpp

@@ -227,6 +227,7 @@ void EntityItemProperties::setBackgroundModeFromString(const QString& background
 EntityPropertyFlags EntityItemProperties::getChangedProperties() const {
     EntityPropertyFlags changedProperties;
 
+    CHECK_PROPERTY_CHANGE(PROP_LAST_EDITED_BY, lastEditedBy);
     CHECK_PROPERTY_CHANGE(PROP_POSITION, position);
     CHECK_PROPERTY_CHANGE(PROP_DIMENSIONS, dimensions);
     CHECK_PROPERTY_CHANGE(PROP_ROTATION, rotation);
@@ -368,6 +369,7 @@ QScriptValue EntityItemProperties::copyToScriptValue(QScriptEngine* engine, bool
         COPY_PROPERTY_TO_QSCRIPTVALUE_GETTER_NO_SKIP(ageAsText, formatSecondsElapsed(getAge())); // gettable, but not settable
     }
 
+    COPY_PROPERTY_TO_QSCRIPTVALUE(PROP_LAST_EDITED_BY, lastEditedBy);
     COPY_PROPERTY_TO_QSCRIPTVALUE(PROP_POSITION, position);
     COPY_PROPERTY_TO_QSCRIPTVALUE(PROP_DIMENSIONS, dimensions);
     if (!skipDefaults) {
@@ -611,6 +613,7 @@ void EntityItemProperties::copyFromScriptValue(const QScriptValue& object, bool
         setType(typeScriptValue.toVariant().toString());
     }
 
+    COPY_PROPERTY_FROM_QSCRIPTVALUE(lastEditedBy, QUuid, setLastEditedBy);
     COPY_PROPERTY_FROM_QSCRIPTVALUE(position, glmVec3, setPosition);
     COPY_PROPERTY_FROM_QSCRIPTVALUE(dimensions, glmVec3, setDimensions);
     COPY_PROPERTY_FROM_QSCRIPTVALUE(rotation, glmQuat, setRotation);
@@ -750,6 +753,7 @@ void EntityItemProperties::copyFromScriptValue(const QScriptValue& object, bool
 }
 
 void EntityItemProperties::merge(const EntityItemProperties& other) {
+    COPY_PROPERTY_IF_CHANGED(lastEditedBy);
     COPY_PROPERTY_IF_CHANGED(position);
     COPY_PROPERTY_IF_CHANGED(dimensions);
     COPY_PROPERTY_IF_CHANGED(rotation);
@@ -1667,6 +1671,7 @@ bool EntityItemProperties::encodeEraseEntityMessage(const EntityItemID& entityIt
 }
 
 void EntityItemProperties::markAllChanged() {
+    _lastEditedByChanged = true;
     _simulationOwnerChanged = true;
     _positionChanged = true;
     _dimensionsChanged = true;

libraries/entities/src/EntityItemProperties.h

@@ -83,6 +83,7 @@ public:
     quint64 getLastEdited() const { return _lastEdited; }
     float getEditedAgo() const /// Elapsed seconds since this entity was last edited
         { return (float)(usecTimestampNow() - getLastEdited()) / (float)USECS_PER_SECOND; }
+
     EntityPropertyFlags getChangedProperties() const;
 
     bool parentDependentPropertyChanged() const; // was there a changed in a property that requires parent info to interpret?
@@ -218,6 +219,8 @@ public:
 
     DEFINE_PROPERTY_REF(PROP_DPI, DPI, dpi, uint16_t, ENTITY_ITEM_DEFAULT_DPI);
 
+    DEFINE_PROPERTY_REF(PROP_LAST_EDITED_BY, LastEditedBy, lastEditedBy, QUuid, ENTITY_ITEM_DEFAULT_LAST_EDITED_BY);
+
     static QString getBackgroundModeString(BackgroundMode mode);
 
 
@@ -455,6 +458,8 @@ inline QDebug operator<<(QDebug debug, const EntityItemProperties& properties) {
     DEBUG_PROPERTY_IF_CHANGED(debug, properties, ClientOnly, clientOnly, "");
     DEBUG_PROPERTY_IF_CHANGED(debug, properties, OwningAvatarID, owningAvatarID, "");
 
+    DEBUG_PROPERTY_IF_CHANGED(debug, properties, LastEditedBy, lastEditedBy, "");
+
     properties.getAnimation().debugDump();
     properties.getSkybox().debugDump();
     properties.getStage().debugDump();

libraries/entities/src/EntityItemPropertiesDefaults.h

@@ -75,4 +75,6 @@ const QString ENTITY_ITEM_DEFAULT_NAME = QString("");
 
 const uint16_t ENTITY_ITEM_DEFAULT_DPI = 30;
 
+const QUuid ENTITY_ITEM_DEFAULT_LAST_EDITED_BY = QUuid();
+
 #endif // hifi_EntityItemPropertiesDefaults_h

libraries/entities/src/EntityPropertyFlags.h

@@ -181,6 +181,8 @@ enum EntityPropertyList {
     PROP_LOCAL_VELOCITY, // only used to convert values to and from scripts
     PROP_LOCAL_ANGULAR_VELOCITY, // only used to convert values to and from scripts
 
+    PROP_LAST_EDITED_BY,
+
     ////////////////////////////////////////////////////////////////////////////////////////////////////
     // ATTENTION: add new properties to end of list just ABOVE this line
     PROP_AFTER_LAST_ITEM,

libraries/entities/src/EntityTree.cpp

@@ -1013,6 +1013,7 @@ int EntityTree::processEditPacketData(ReceivedMessage& message, const unsigned c
                     endLogging = usecTimestampNow();
 
                     startUpdate = usecTimestampNow();
+                    properties.setLastEditedBy(senderNode->getUUID());
                     updateEntity(entityItemID, properties, senderNode);
                     existingEntity->markAsChangedOnServer();
                     endUpdate = usecTimestampNow();
@@ -1021,6 +1022,7 @@ int EntityTree::processEditPacketData(ReceivedMessage& message, const unsigned c
                     if (senderNode->getCanRez() || senderNode->getCanRezTmp()) {
                         // this is a new entity... assign a new entityID
                         properties.setCreated(properties.getLastEdited());
+                        properties.setLastEditedBy(senderNode->getUUID());
                         startCreate = usecTimestampNow();
                         EntityItemPointer newEntity = addEntity(entityItemID, properties);
                         endCreate = usecTimestampNow();

libraries/gpu-gl/src/gpu/gl45/GL45BackendTexture.cpp

@@ -285,10 +285,10 @@ GL45Texture::GL45Texture(const std::weak_ptr<GLBackend>& backend, const Texture&
 }
 
 GL45Texture::~GL45Texture() {
-    // External textures cycle very quickly, so don't spam the log with messages about them.
+    // // External textures cycle very quickly, so don't spam the log with messages about them.
-    if (!_gpuObject.getUsage().isExternal()) {
+    // if (!_gpuObject.getUsage().isExternal()) {
-        qCDebug(gpugl45logging) << "Destroying texture " << _id << " from source " << _source.c_str();
+    //     qCDebug(gpugl45logging) << "Destroying texture " << _id << " from source " << _source.c_str();
-    }
+    // }
 
     // Remove this texture from the candidate list of derezzable textures
     if (_transferrable) {

libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp

@@ -18,7 +18,7 @@
 #include <PathUtils.h>
 #include <NumericalConstants.h>
 
-const QString KeyboardMouseDevice::NAME = "Keyboard/Mouse";
+const char* KeyboardMouseDevice::NAME = "Keyboard/Mouse";
 bool KeyboardMouseDevice::_enableTouch = true;
 
 void KeyboardMouseDevice::pluginUpdate(float deltaTime, const controller::InputCalibrationData& inputCalibrationData) {

libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h

@@ -52,21 +52,21 @@ public:
         MOUSE_AXIS_WHEEL_X_POS,
         MOUSE_AXIS_WHEEL_X_NEG,
     };
-        
+
     enum TouchAxisChannel {
         TOUCH_AXIS_X_POS = MOUSE_AXIS_WHEEL_X_NEG + 1,
         TOUCH_AXIS_X_NEG,
         TOUCH_AXIS_Y_POS,
         TOUCH_AXIS_Y_NEG,
     };
-        
+
     enum TouchButtonChannel {
         TOUCH_BUTTON_PRESS = TOUCH_AXIS_Y_NEG + 1,
     };
 
     // Plugin functions
     bool isSupported() const override { return true; }
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     bool isHandController() const override { return false; }
 
@@ -88,8 +88,8 @@ public:
     void wheelEvent(QWheelEvent* event);
 
     static void enableTouch(bool enableTouch) { _enableTouch = enableTouch; }
-    
+
-    static const QString NAME;
+    static const char* NAME;
 
 protected:
 

libraries/input-plugins/src/input-plugins/TouchscreenDevice.cpp

@@ -21,7 +21,7 @@
 #include <PathUtils.h>
 #include <NumericalConstants.h>
 
-const QString TouchscreenDevice::NAME = "Touchscreen";
+const char* TouchscreenDevice::NAME = "Touchscreen";
 
 bool TouchscreenDevice::isSupported() const {
     for (auto touchDevice : QTouchDevice::devices()) {

libraries/input-plugins/src/input-plugins/TouchscreenDevice.h

@@ -22,7 +22,7 @@ class QGestureEvent;
 class TouchscreenDevice : public InputPlugin {
     Q_OBJECT
 public:
-        
+
     enum TouchAxisChannel {
         TOUCH_AXIS_X_POS = 0,
         TOUCH_AXIS_X_NEG,
@@ -37,7 +37,7 @@ public:
 
     // Plugin functions
     virtual bool isSupported() const override;
-    virtual const QString& getName() const override { return NAME; }
+    virtual const QString getName() const override { return NAME; }
 
     bool isHandController() const override { return false; }
 
@@ -48,8 +48,8 @@ public:
     void touchEndEvent(const QTouchEvent* event);
     void touchUpdateEvent(const QTouchEvent* event);
     void touchGestureEvent(const QGestureEvent* event);
-    
+
-    static const QString NAME;
+    static const char* NAME;
 
 protected:
 

libraries/networking/src/NodeList.cpp

@@ -815,3 +815,31 @@ void NodeList::kickNodeBySessionID(const QUuid& nodeID) {
 
     }
 }
+
+void NodeList::muteNodeBySessionID(const QUuid& nodeID) {
+    // cannot mute yourself, or nobody
+    if (!nodeID.isNull() && _sessionUUID != nodeID ) {
+        if (getThisNodeCanKick()) {
+            auto audioMixer = soloNodeOfType(NodeType::AudioMixer);
+            if (audioMixer) {
+                // setup the packet
+                auto mutePacket = NLPacket::create(PacketType::NodeMuteRequest, NUM_BYTES_RFC4122_UUID, true);
+
+                // write the node ID to the packet
+                mutePacket->write(nodeID.toRfc4122());
+
+                qDebug() << "Sending packet to mute node" << uuidStringWithoutCurlyBraces(nodeID);
+            
+                sendPacket(std::move(mutePacket), *audioMixer);
+            } else {
+                qWarning() << "Couldn't find audio mixer to send node mute request";
+            }
+        } else {
+            qWarning() << "You do not have permissions to mute in this domain."
+                << "Request to mute node" << uuidStringWithoutCurlyBraces(nodeID) << "will not be sent";
+        }
+    } else {
+        qWarning() << "NodeList::muteNodeBySessionID called with an invalid ID or an ID which matches the current session ID.";
+
+    }
+}

libraries/networking/src/NodeList.h

@@ -74,6 +74,7 @@ public:
     bool isIgnoringNode(const QUuid& nodeID) const;
 
     void kickNodeBySessionID(const QUuid& nodeID);
+    void muteNodeBySessionID(const QUuid& nodeID);
 
 public slots:
     void reset();

libraries/networking/src/udt/PacketHeaders.cpp

@@ -26,7 +26,8 @@ const QSet<PacketType> NON_VERIFIED_PACKETS = QSet<PacketType>()
     << PacketType::NodeJsonStats << PacketType::EntityQuery
     << PacketType::OctreeDataNack << PacketType::EntityEditNack
     << PacketType::DomainListRequest << PacketType::StopNode
-    << PacketType::DomainDisconnectRequest << PacketType::NodeKickRequest;
+    << PacketType::DomainDisconnectRequest << PacketType::NodeKickRequest
+    << PacketType::NodeMuteRequest;
 
 const QSet<PacketType> NON_SOURCED_PACKETS = QSet<PacketType>()
     << PacketType::StunResponse << PacketType::CreateAssignment << PacketType::RequestAssignment
@@ -47,7 +48,7 @@ PacketVersion versionForPacketType(PacketType packetType) {
         case PacketType::EntityAdd:
         case PacketType::EntityEdit:
         case PacketType::EntityData:
-            return VERSION_ENTITIES_ARROW_ACTION;
+            return VERSION_ENTITIES_LAST_EDITED_BY;
         case PacketType::AvatarIdentity:
         case PacketType::AvatarData:
         case PacketType::BulkAvatarData:

libraries/networking/src/udt/PacketHeaders.h

@@ -99,7 +99,8 @@ public:
         SelectedAudioFormat,
         MoreEntityShapes,
         NodeKickRequest,
-        LAST_PACKET_TYPE = NodeKickRequest
+        NodeMuteRequest,
+        LAST_PACKET_TYPE = NodeMuteRequest
     };
 };
 
@@ -188,6 +189,7 @@ const PacketVersion VERSION_MODEL_ENTITIES_SUPPORT_STATIC_MESH = 61;
 const PacketVersion VERSION_MODEL_ENTITIES_SUPPORT_SIMPLE_HULLS = 62;
 const PacketVersion VERSION_WEB_ENTITIES_SUPPORT_DPI = 63;
 const PacketVersion VERSION_ENTITIES_ARROW_ACTION = 64;
+const PacketVersion VERSION_ENTITIES_LAST_EDITED_BY = 65;
 
 enum class AssetServerPacketVersion: PacketVersion {
     VegasCongestionControl = 19

libraries/networking/src/udt/Socket.cpp

@@ -165,6 +165,12 @@ qint64 Socket::writePacketList(std::unique_ptr<PacketList> packetList, const Hif
         // hand this packetList off to writeReliablePacketList
         // because Qt can't invoke with the unique_ptr we have to release it here and re-construct in writeReliablePacketList
 
+        if (packetList->getNumPackets() == 0) {
+            qCWarning(networking) << "Trying to send packet list with 0 packets, bailing.";
+            return 0;
+        }
+
+
         if (QThread::currentThread() != thread()) {
             auto ptr = packetList.release();
             QMetaObject::invokeMethod(this, "writeReliablePacketList", Qt::AutoConnection,

libraries/plugins/src/plugins/DisplayPlugin.h

@@ -188,6 +188,8 @@ public:
     virtual float renderRate() const { return -1.0f; }
     // Rate at which we present to the display device
     virtual float presentRate() const { return -1.0f; }
+    // Rate at which old frames are presented to the device display
+    virtual float stutterRate() const { return -1.0f; }
     // Rate at which new frames are being presented to the display device
     virtual float newFramePresentRate() const { return -1.0f; }
     // Rate at which rendered frames are being skipped

libraries/plugins/src/plugins/Plugin.cpp

@@ -7,7 +7,7 @@
 //
 #include "Plugin.h"
 
-QString Plugin::UNKNOWN_PLUGIN_ID("unknown");
+const char* Plugin::UNKNOWN_PLUGIN_ID { "unknown" };
 
 void Plugin::setContainer(PluginContainer* container) {
     _container = container;

libraries/plugins/src/plugins/Plugin.h

@@ -18,7 +18,7 @@ class Plugin : public QObject {
     Q_OBJECT
 public:
     /// \return human-readable name
-    virtual const QString& getName() const = 0;
+    virtual const QString getName() const = 0;
 
     typedef enum { STANDARD, ADVANCED, DEVELOPER } grouping;
 
@@ -26,10 +26,10 @@ public:
     virtual grouping getGrouping() const { return STANDARD; }
 
     /// \return string ID (not necessarily human-readable)
-    virtual const QString& getID() const { assert(false); return UNKNOWN_PLUGIN_ID; }
+    virtual const QString getID() const { assert(false); return UNKNOWN_PLUGIN_ID; }
 
     virtual bool isSupported() const;
-    
+
     void setContainer(PluginContainer* container);
 
     /// Called when plugin is initially loaded, typically at application start
@@ -74,6 +74,6 @@ signals:
 protected:
     bool _active { false };
     PluginContainer* _container { nullptr };
-    static QString UNKNOWN_PLUGIN_ID;
+    static const char* UNKNOWN_PLUGIN_ID;
 
 };

libraries/render-utils/src/AnimDebugDraw.cpp

@@ -121,7 +121,7 @@ AnimDebugDraw::AnimDebugDraw() :
 
     // HACK: add red, green and blue axis at (1,1,1)
     _animDebugDrawData->_vertexBuffer->resize(sizeof(AnimDebugDrawData::Vertex) * 6);
-    
+
     static std::vector<AnimDebugDrawData::Vertex> vertices({
         AnimDebugDrawData::Vertex { glm::vec3(1.0, 1.0f, 1.0f), toRGBA(255, 0, 0, 255) },
         AnimDebugDrawData::Vertex { glm::vec3(2.0, 1.0f, 1.0f), toRGBA(255, 0, 0, 255) },
@@ -162,9 +162,10 @@ static const uint32_t blue = toRGBA(0, 0, 255, 255);
 
 const int NUM_CIRCLE_SLICES = 24;
 
-static void addBone(const AnimPose& rootPose, const AnimPose& pose, float radius, AnimDebugDrawData::Vertex*& v) {
+static void addBone(const AnimPose& rootPose, const AnimPose& pose, float radius, glm::vec4& vecColor, AnimDebugDrawData::Vertex*& v) {
 
     const float XYZ_AXIS_LENGTH = radius * 4.0f;
+    const uint32_t color = toRGBA(vecColor);
 
     AnimPose finalPose = rootPose * pose;
     glm::vec3 base = rootPose * pose.trans;
@@ -192,10 +193,10 @@ static void addBone(const AnimPose& rootPose, const AnimPose& pose, float radius
     // x-ring
     for (int i = 0; i < NUM_CIRCLE_SLICES; i++) {
         v->pos = xRing[i];
-        v->rgba = red;
+        v->rgba = color;
         v++;
         v->pos = xRing[i + 1];
-        v->rgba = red;
+        v->rgba = color;
         v++;
     }
 
@@ -210,10 +211,10 @@ static void addBone(const AnimPose& rootPose, const AnimPose& pose, float radius
     // y-ring
     for (int i = 0; i < NUM_CIRCLE_SLICES; i++) {
         v->pos = yRing[i];
-        v->rgba = green;
+        v->rgba = color;
         v++;
         v->pos = yRing[i + 1];
-        v->rgba = green;
+        v->rgba = color;
         v++;
     }
 
@@ -228,10 +229,10 @@ static void addBone(const AnimPose& rootPose, const AnimPose& pose, float radius
     // z-ring
     for (int i = 0; i < NUM_CIRCLE_SLICES; i++) {
         v->pos = zRing[i];
-        v->rgba = blue;
+        v->rgba = color;
         v++;
         v->pos = zRing[i + 1];
-        v->rgba = blue;
+        v->rgba = color;
         v++;
     }
 }
@@ -367,7 +368,7 @@ void AnimDebugDraw::update() {
                 const float radius = BONE_RADIUS / (absPoses[i].scale.x * rootPose.scale.x);
 
                 // draw bone
-                addBone(rootPose, absPoses[i], radius, v);
+                addBone(rootPose, absPoses[i], radius, color, v);
 
                 // draw link to parent
                 auto parentIndex = skeleton->getParentIndex(i);
@@ -382,20 +383,18 @@ void AnimDebugDraw::update() {
         for (auto& iter : markerMap) {
             glm::quat rot = std::get<0>(iter.second);
             glm::vec3 pos = std::get<1>(iter.second);
-            glm::vec4 color = std::get<2>(iter.second);  // TODO: currently ignored.
+            glm::vec4 color = std::get<2>(iter.second);
-            Q_UNUSED(color);
             const float radius = POSE_RADIUS;
-            addBone(AnimPose::identity, AnimPose(glm::vec3(1), rot, pos), radius, v);
+            addBone(AnimPose::identity, AnimPose(glm::vec3(1), rot, pos), radius, color, v);
         }
 
         AnimPose myAvatarPose(glm::vec3(1), DebugDraw::getInstance().getMyAvatarRot(), DebugDraw::getInstance().getMyAvatarPos());
         for (auto& iter : myAvatarMarkerMap) {
             glm::quat rot = std::get<0>(iter.second);
             glm::vec3 pos = std::get<1>(iter.second);
-            glm::vec4 color = std::get<2>(iter.second);  // TODO: currently ignored.
+            glm::vec4 color = std::get<2>(iter.second);
-            Q_UNUSED(color);
             const float radius = POSE_RADIUS;
-            addBone(myAvatarPose, AnimPose(glm::vec3(1), rot, pos), radius, v);
+            addBone(myAvatarPose, AnimPose(glm::vec3(1), rot, pos), radius, color, v);
         }
 
         // draw rays from shared DebugDraw singleton

libraries/script-engine/src/ScriptEngine.cpp

@@ -1172,7 +1172,8 @@ void ScriptEngine::include(const QStringList& includeFiles, QScriptValue callbac
     // Guard against meaningless query and fragment parts.
     // Do NOT use PreferLocalFile as its behavior is unpredictable (e.g., on defaultScriptsLocation())
     const auto strippingFlags = QUrl::RemoveFilename | QUrl::RemoveQuery | QUrl::RemoveFragment;
-    for (QString file : includeFiles) {
+    for (QString includeFile : includeFiles) {
+        QString file = ResourceManager::normalizeURL(includeFile);
         QUrl thisURL;
         bool isStandardLibrary = false;
         if (file.startsWith("/~/")) {

libraries/script-engine/src/UsersScriptingInterface.cpp

@@ -29,6 +29,11 @@ void UsersScriptingInterface::kick(const QUuid& nodeID) {
     DependencyManager::get<NodeList>()->kickNodeBySessionID(nodeID);
 }
 
+void UsersScriptingInterface::mute(const QUuid& nodeID) {
+    // ask the NodeList to mute the user with the given session ID
+    DependencyManager::get<NodeList>()->muteNodeBySessionID(nodeID);
+}
+
 bool UsersScriptingInterface::getCanKick() {
     // ask the NodeList to return our ability to kick
     return DependencyManager::get<NodeList>()->getThisNodeCanKick();

libraries/script-engine/src/UsersScriptingInterface.h

@@ -28,6 +28,7 @@ public:
 public slots:
     void ignore(const QUuid& nodeID);
     void kick(const QUuid& nodeID);
+    void mute(const QUuid& nodeID);
 
     bool getCanKick();
 

libraries/shared/src/HifiConfigVariantMap.cpp

@@ -226,5 +226,5 @@ QVariant* valueForKeyPath(QVariantMap& variantMap, const QString& keyPath, bool
                                shouldCreateIfMissing);
     }
 
-    return NULL;
+    return nullptr;
 }

libraries/shared/src/shared/Factory.h

@@ -23,12 +23,12 @@ namespace hifi {
         using Builder = std::function<Pointer()>;
         using BuilderMap = std::map<Key, Builder>;
 
-        void registerBuilder(const Key& name, Builder builder) {
+        void registerBuilder(const Key name, Builder builder) {
             // FIXME don't allow name collisions
             _builders[name] = builder;
         }
 
-        Pointer create(const Key& name) const {
+        Pointer create(const Key name) const {
             const auto& entryIt = _builders.find(name);
             if (entryIt != _builders.end()) {
                 return (*entryIt).second();
@@ -39,7 +39,7 @@ namespace hifi {
         template <typename Impl>
         class Registrar {
         public:
-            Registrar(const Key& name, SimpleFactory& factory) {
+            Registrar(const Key name, SimpleFactory& factory) {
                 factory.registerBuilder(name, [] { return std::make_shared<Impl>(); });
             }
         };

plugins/hifiCodec/src/HiFiCodec.cpp

@@ -18,7 +18,7 @@
 
 #include "HiFiCodec.h"
 
-const QString HiFiCodec::NAME = "hifiAC";
+const char* HiFiCodec::NAME { "hifiAC" };
 
 void HiFiCodec::init() {
 }

plugins/hifiCodec/src/HiFiCodec.h

@@ -16,11 +16,11 @@
 
 class HiFiCodec : public CodecPlugin {
     Q_OBJECT
-    
+
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
     void deinit() override;
@@ -36,7 +36,7 @@ public:
     virtual void releaseDecoder(Decoder* decoder) override;
 
 private:
-    static const QString NAME;
+    static const char* NAME;
 };
 
 #endif // hifi_HiFiCodec_h

plugins/hifiNeuron/src/NeuronPlugin.cpp

@@ -27,8 +27,8 @@ Q_LOGGING_CATEGORY(inputplugins, "hifi.inputplugins")
 
 #include <NeuronDataReader.h>
 
-const QString NeuronPlugin::NAME = "Neuron";
+const char* NeuronPlugin::NAME = "Neuron";
-const QString NeuronPlugin::NEURON_ID_STRING = "Perception Neuron";
+const char* NeuronPlugin::NEURON_ID_STRING = "Perception Neuron";
 
 // indices of joints of the Neuron standard skeleton.
 // This is 'almost' the same as the High Fidelity standard skeleton.

plugins/hifiNeuron/src/NeuronPlugin.h

@@ -29,8 +29,8 @@ public:
 
     // Plugin functions
     virtual bool isSupported() const override;
-    virtual const QString& getName() const override { return NAME; }
+    virtual const QString getName() const override { return NAME; }
-    const QString& getID() const override { return NEURON_ID_STRING; }
+    const QString getID() const override { return NEURON_ID_STRING; }
 
     virtual bool activate() override;
     virtual void deactivate() override;
@@ -65,8 +65,8 @@ protected:
 
     std::shared_ptr<InputDevice> _inputDevice { std::make_shared<InputDevice>() };
 
-    static const QString NAME;
+    static const char* NAME;
-    static const QString NEURON_ID_STRING;
+    static const char* NEURON_ID_STRING;
 
     std::string _serverAddress;
     int _serverPort;

plugins/hifiSdl2/src/Joystick.h

@@ -29,7 +29,7 @@ class Joystick : public QObject, public controller::InputDevice {
 public:
     using Pointer = std::shared_ptr<Joystick>;
 
-    const QString& getName() const { return _name; }
+    const QString getName() const { return _name; }
 
     SDL_GameController* getGameController() { return _sdlGameController; }
 

plugins/hifiSdl2/src/SDL2Manager.cpp

@@ -41,7 +41,7 @@ static_assert(
     "SDL2 equvalence: Enums and values from StandardControls.h are assumed to match enums from SDL_gamecontroller.h");
 
 
-const QString SDL2Manager::NAME = "SDL2";
+const char* SDL2Manager::NAME = "SDL2";
 
 SDL_JoystickID SDL2Manager::getInstanceId(SDL_GameController* controller) {
     SDL_Joystick* joystick = SDL_GameControllerGetJoystick(controller);

plugins/hifiSdl2/src/SDL2Manager.h

@@ -20,11 +20,11 @@
 
 class SDL2Manager : public InputPlugin {
     Q_OBJECT
-    
+
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     QStringList getSubdeviceNames() override;
     bool isHandController() const override { return false; }
@@ -39,14 +39,14 @@ public:
 
     void pluginFocusOutEvent() override;
     void pluginUpdate(float deltaTime, const controller::InputCalibrationData& inputCalibrationData) override;
-    
+
 signals:
     void joystickAdded(Joystick* joystick);
     void joystickRemoved(Joystick* joystick);
-    
+
 private:
     SDL_JoystickID getInstanceId(SDL_GameController* controller);
-    
+
     int axisInvalid() const { return SDL_CONTROLLER_AXIS_INVALID; }
     int axisLeftX() const { return SDL_CONTROLLER_AXIS_LEFTX; }
     int axisLeftY() const { return SDL_CONTROLLER_AXIS_LEFTY; }
@@ -55,7 +55,7 @@ private:
     int axisTriggerLeft() const { return SDL_CONTROLLER_AXIS_TRIGGERLEFT; }
     int axisTriggerRight() const { return SDL_CONTROLLER_AXIS_TRIGGERRIGHT; }
     int axisMax() const { return SDL_CONTROLLER_AXIS_MAX; }
-    
+
     int buttonInvalid() const { return SDL_CONTROLLER_BUTTON_INVALID; }
     int buttonFaceBottom() const { return SDL_CONTROLLER_BUTTON_A; }
     int buttonFaceRight() const { return SDL_CONTROLLER_BUTTON_B; }
@@ -73,13 +73,13 @@ private:
     int buttonDpadLeft() const { return SDL_CONTROLLER_BUTTON_DPAD_LEFT; }
     int buttonDpadRight() const { return SDL_CONTROLLER_BUTTON_DPAD_RIGHT; }
     int buttonMax() const { return SDL_CONTROLLER_BUTTON_MAX; }
-    
+
     int buttonPressed() const { return SDL_PRESSED; }
     int buttonRelease() const { return SDL_RELEASED; }
 
     QMap<SDL_JoystickID, Joystick::Pointer> _openJoysticks;
     bool _isInitialized { false } ;
-    static const QString NAME;
+    static const char* NAME;
     QStringList _subdeviceNames;
 };
 

plugins/hifiSixense/src/SixenseManager.cpp

@@ -55,15 +55,15 @@ bool SixenseManager::_sixenseLoaded = false;
 
 
 
-const QString SixenseManager::NAME = "Sixense";
+const char* SixenseManager::NAME { "Sixense" };
-const QString SixenseManager::HYDRA_ID_STRING = "Razer Hydra";
+const char* SixenseManager::HYDRA_ID_STRING { "Razer Hydra" };
 
-const QString MENU_PARENT = "Developer";
+const char* MENU_PARENT { "Developer" };
-const QString MENU_NAME = "Sixense";
+const char* MENU_NAME { "Sixense" };
-const QString MENU_PATH = MENU_PARENT + ">" + MENU_NAME;
+const char* MENU_PATH { "Developer" ">" "Sixense" };
-const QString TOGGLE_SMOOTH = "Smooth Sixense Movement";
+const char* TOGGLE_SMOOTH { "Smooth Sixense Movement" };
-const QString SHOW_DEBUG_RAW = "Debug Draw Raw Data";
+const char* SHOW_DEBUG_RAW { "Debug Draw Raw Data" };
-const QString SHOW_DEBUG_CALIBRATED = "Debug Draw Calibrated Data";
+const char* SHOW_DEBUG_CALIBRATED { "Debug Draw Calibrated Data" };
 
 bool SixenseManager::isSupported() const {
 #if defined(HAVE_SIXENSE) && !defined(Q_OS_OSX)

plugins/hifiSixense/src/SixenseManager.h

@@ -28,8 +28,8 @@ class SixenseManager : public InputPlugin {
 public:
     // Plugin functions
     virtual bool isSupported() const override;
-    virtual const QString& getName() const override { return NAME; }
+    virtual const QString getName() const override { return NAME; }
-    virtual const QString& getID() const override { return HYDRA_ID_STRING; }
+    virtual const QString getID() const override { return HYDRA_ID_STRING; }
 
     // Sixense always seems to initialize even if the hydras are not present. Is there
     // a way we can properly detect whether the hydras are present?
@@ -92,8 +92,8 @@ private:
 
     std::shared_ptr<InputDevice> _inputDevice { std::make_shared<InputDevice>() };
 
-    static const QString NAME;
+    static const char* NAME;
-    static const QString HYDRA_ID_STRING;
+    static const char* HYDRA_ID_STRING;
 
     static bool _sixenseLoaded;
 };

plugins/hifiSpacemouse/src/SpacemouseManager.h

@@ -76,8 +76,8 @@ class SpacemouseManager : public InputPlugin, public QAbstractNativeEventFilter
     Q_OBJECT
 public:
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
-    const QString& getID() const override { return NAME; }
+    const QString getID() const override { return NAME; }
 
     bool activate() override;
     void deactivate() override;
@@ -127,7 +127,7 @@ private:
     // use to calculate distance traveled since last event
     DWORD fLast3dmouseInputTime;
 
-    static const QString NAME;
+    static const char* NAME;
     friend class SpacemouseDevice;
 };
 

plugins/oculus/src/OculusControllerManager.cpp

@@ -25,11 +25,11 @@
 Q_DECLARE_LOGGING_CATEGORY(oculus)
 
 
-static const QString MENU_PARENT = "Avatar";
+static const char* MENU_PARENT = "Avatar";
-static const QString MENU_NAME = "Oculus Touch Controllers";
+static const char* MENU_NAME = "Oculus Touch Controllers";
-static const QString MENU_PATH = MENU_PARENT + ">" + MENU_NAME;
+static const char* MENU_PATH = "Avatar" ">" "Oculus Touch Controllers";
 
-const QString OculusControllerManager::NAME = "Oculus";
+const char* OculusControllerManager::NAME = "Oculus";
 
 bool OculusControllerManager::isSupported() const {
     return oculusAvailable();

plugins/oculus/src/OculusControllerManager.h

@@ -24,7 +24,7 @@ class OculusControllerManager : public InputPlugin {
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     bool isHandController() const override { return _touch != nullptr; }
     QStringList getSubdeviceNames() override;
@@ -95,7 +95,7 @@ private:
     ovrInputState _inputState {};
     RemoteDevice::Pointer _remote;
     TouchDevice::Pointer _touch;
-    static const QString NAME;
+    static const char* NAME;
 };
 
 #endif // hifi__OculusControllerManager

plugins/oculus/src/OculusDebugDisplayPlugin.cpp

@@ -8,7 +8,7 @@
 #include "OculusDebugDisplayPlugin.h"
 #include <QtCore/QProcessEnvironment>
 
-const QString OculusDebugDisplayPlugin::NAME("Oculus Rift (Simulator)");
+const char* OculusDebugDisplayPlugin::NAME { "Oculus Rift (Simulator)" };
 
 static const QString DEBUG_FLAG("HIFI_DEBUG_OCULUS");
 static bool enableDebugOculus = true || QProcessEnvironment::systemEnvironment().contains("HIFI_DEBUG_OCULUS");

plugins/oculus/src/OculusDebugDisplayPlugin.h

@@ -11,7 +11,7 @@
 
 class OculusDebugDisplayPlugin : public OculusBaseDisplayPlugin {
 public:
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
     grouping getGrouping() const override { return DEVELOPER; }
     bool isSupported() const override;
 
@@ -20,6 +20,6 @@ protected:
     bool isHmdMounted() const override { return true; }
 
 private:
-    static const QString NAME;
+    static const char* NAME;
 };
 

plugins/oculus/src/OculusDisplayPlugin.cpp

@@ -19,7 +19,7 @@
 
 #include "OculusHelpers.h"
 
-const QString OculusDisplayPlugin::NAME("Oculus Rift");
+const char* OculusDisplayPlugin::NAME { "Oculus Rift" };
 static ovrPerfHudMode currentDebugMode = ovrPerfHud_Off;
 
 bool OculusDisplayPlugin::internalActivate() {
@@ -146,6 +146,16 @@ void OculusDisplayPlugin::hmdPresent() {
         if (!OVR_SUCCESS(result)) {
             logWarning("Failed to present");
         }
+
+        static int droppedFrames = 0;
+        ovrPerfStats perfStats;
+        ovr_GetPerfStats(_session, &perfStats);
+        for (int i = 0; i < perfStats.FrameStatsCount; ++i) {
+            const auto& frameStats = perfStats.FrameStats[i];
+            int delta = frameStats.CompositorDroppedFrameCount - droppedFrames;
+            _stutterRate.increment(delta);
+            droppedFrames = frameStats.CompositorDroppedFrameCount;
+        }
     }
     _presentRate.increment();
 }

plugins/oculus/src/OculusDisplayPlugin.h

@@ -13,7 +13,7 @@ class OculusDisplayPlugin : public OculusBaseDisplayPlugin {
     using Parent = OculusBaseDisplayPlugin;
 public:
     ~OculusDisplayPlugin();
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
 
@@ -29,7 +29,7 @@ protected:
     void cycleDebugOutput() override;
 
 private:
-    static const QString NAME;
+    static const char* NAME;
     ovrTextureSwapChain _textureSwapChain;
     gpu::FramebufferPointer _outputFramebuffer;
     bool _customized { false };

plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.cpp

@@ -30,7 +30,7 @@
 
 #include "OculusHelpers.h"
 
-const QString OculusLegacyDisplayPlugin::NAME("Oculus Rift");
+const char* OculusLegacyDisplayPlugin::NAME { "Oculus Rift" };
 
 OculusLegacyDisplayPlugin::OculusLegacyDisplayPlugin() {
 }

plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.h

@@ -21,7 +21,7 @@ class OculusLegacyDisplayPlugin : public HmdDisplayPlugin {
 public:
     OculusLegacyDisplayPlugin();
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
 
@@ -41,9 +41,9 @@ protected:
     void uncustomizeContext() override;
     void hmdPresent() override;
     bool isHmdMounted() const override { return true; }
-    
+
 private:
-    static const QString NAME;
+    static const char* NAME;
 
     GLWindow* _hmdWindow{ nullptr };
     ovrHmd _hmd;

plugins/openvr/src/OpenVrDisplayPlugin.cpp

@@ -33,9 +33,9 @@
 
 Q_DECLARE_LOGGING_CATEGORY(displayplugins)
 
-const QString OpenVrDisplayPlugin::NAME("OpenVR (Vive)");
+const char* OpenVrDisplayPlugin::NAME { "OpenVR (Vive)" };
-const QString StandingHMDSensorMode = "Standing HMD Sensor Mode"; // this probably shouldn't be hardcoded here
+const char* StandingHMDSensorMode { "Standing HMD Sensor Mode" }; // this probably shouldn't be hardcoded here
-const QString OpenVrThreadedSubmit = "OpenVR Threaded Submit"; // this probably shouldn't be hardcoded here
+const char* OpenVrThreadedSubmit { "OpenVR Threaded Submit" }; // this probably shouldn't be hardcoded here
 
 PoseData _nextRenderPoseData;
 PoseData _nextSimPoseData;
@@ -641,6 +641,12 @@ void OpenVrDisplayPlugin::hmdPresent() {
         vr::VRCompositor()->PostPresentHandoff();
         _presentRate.increment();
     }
+
+    vr::Compositor_FrameTiming frameTiming;
+    memset(&frameTiming, 0, sizeof(vr::Compositor_FrameTiming));
+    frameTiming.m_nSize = sizeof(vr::Compositor_FrameTiming);
+    vr::VRCompositor()->GetFrameTiming(&frameTiming);
+    _stutterRate.increment(frameTiming.m_nNumDroppedFrames);
 }
 
 void OpenVrDisplayPlugin::postPreview() {

plugins/openvr/src/OpenVrDisplayPlugin.h

@@ -36,7 +36,7 @@ class OpenVrDisplayPlugin : public HmdDisplayPlugin {
     using Parent = HmdDisplayPlugin;
 public:
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
 
@@ -72,7 +72,7 @@ private:
     vr::IVRSystem* _system { nullptr };
     std::atomic<vr::EDeviceActivityLevel> _hmdActivityLevel { vr::k_EDeviceActivityLevel_Unknown };
     std::atomic<uint32_t> _keyboardSupressionCount{ 0 };
-    static const QString NAME;
+    static const char* NAME;
 
     vr::HmdMatrix34_t _lastGoodHMDPose;
     mat4 _sensorResetMat;

plugins/openvr/src/ViveControllerManager.cpp

@@ -37,12 +37,12 @@ void releaseOpenVrSystem();
 
 static const char* CONTROLLER_MODEL_STRING = "vr_controller_05_wireless_b";
 
-static const QString MENU_PARENT = "Avatar";
+static const char* MENU_PARENT = "Avatar";
-static const QString MENU_NAME = "Vive Controllers";
+static const char* MENU_NAME = "Vive Controllers";
-static const QString MENU_PATH = MENU_PARENT + ">" + MENU_NAME;
+static const char* MENU_PATH = "Avatar" ">" "Vive Controllers";
-static const QString RENDER_CONTROLLERS = "Render Hand Controllers";
+static const char* RENDER_CONTROLLERS = "Render Hand Controllers";
 
-const QString ViveControllerManager::NAME = "OpenVR";
+const char* ViveControllerManager::NAME { "OpenVR" };
 
 bool ViveControllerManager::isSupported() const {
     return openVrSupported();

plugins/openvr/src/ViveControllerManager.h

@@ -33,7 +33,7 @@ class ViveControllerManager : public InputPlugin {
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     bool isHandController() const override { return true; }
 
@@ -125,7 +125,7 @@ private:
     vr::IVRSystem* _system { nullptr };
     std::shared_ptr<InputDevice> _inputDevice { std::make_shared<InputDevice>(_system) };
 
-    static const QString NAME;
+    static const char* NAME;
 };
 
 #endif // hifi__ViveControllerManager

plugins/pcmCodec/src/PCMCodecManager.cpp

@@ -15,7 +15,7 @@
 
 #include "PCMCodecManager.h"
 
-const QString PCMCodec::NAME = "pcm";
+const char* PCMCodec::NAME { "pcm" };
 
 void PCMCodec::init() {
 }
@@ -55,7 +55,7 @@ void PCMCodec::releaseDecoder(Decoder* decoder) {
     // do nothing
 }
 
-const QString zLibCodec::NAME = "zlib";
+const char* zLibCodec::NAME { "zlib" };
 
 void zLibCodec::init() {
 }

plugins/pcmCodec/src/PCMCodecManager.h

@@ -16,11 +16,11 @@
 
 class PCMCodec : public CodecPlugin, public Encoder, public Decoder {
     Q_OBJECT
-    
+
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
     void deinit() override;
@@ -45,7 +45,7 @@ public:
     virtual void trackLostFrames(int numFrames)  override { }
 
 private:
-    static const QString NAME;
+    static const char* NAME;
 };
 
 class zLibCodec : public CodecPlugin, public Encoder, public Decoder {
@@ -54,7 +54,7 @@ class zLibCodec : public CodecPlugin, public Encoder, public Decoder {
 public:
     // Plugin functions
     bool isSupported() const override;
-    const QString& getName() const override { return NAME; }
+    const QString getName() const override { return NAME; }
 
     void init() override;
     void deinit() override;
@@ -80,7 +80,7 @@ public:
     virtual void trackLostFrames(int numFrames)  override { }
 
 private:
-    static const QString NAME;
+    static const char* NAME;
 };
 
 #endif // hifi__PCMCodecManager_h

scripts/system/assets/images/mute-target.svg

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.2.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 293 101.9" style="enable-background:new 0 0 293 101.9;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#EF3B4E;}
+	.st1{fill:#FFFFFF;}
+</style>
+<path d="M16.2,23.2H283c3.9,0,7.1,3.2,7.1,7.1V88c0,3.9-3.2,7.1-7.1,7.1H16.2c-3.9,0-7.1-3.2-7.1-7.1V30.3
+	C9.1,26.4,12.3,23.2,16.2,23.2z"/>
+<path class="st0" d="M13.9,20.3h266.8c3.9,0,7.1,3.2,7.1,7.1v57.7c0,3.9-3.2,7.1-7.1,7.1H13.9c-3.9,0-7.1-3.2-7.1-7.1V27.4
+	C6.8,23.5,10,20.3,13.9,20.3z"/>
+<g>
+	<g>
+		<path d="M103.4,79.8V52.4L92.8,72.8h-4.4L77.7,52.4v27.4h-8.1V38.3h8.6l12.3,23.6l12.4-23.6h8.6v41.5H103.4z"/>
+		<path d="M137.6,73c1.9,0,3.5-0.4,4.8-1.2c1.3-0.8,2.4-1.8,3.2-3c0.8-1.2,1.4-2.7,1.7-4.3c0.3-1.6,0.5-3.3,0.5-5V38.3h8v21.1
+			c0,2.8-0.3,5.5-1,8c-0.7,2.5-1.8,4.7-3.2,6.5c-1.5,1.9-3.3,3.3-5.6,4.4c-2.3,1.1-5,1.6-8.2,1.6c-3.3,0-6.1-0.6-8.4-1.7
+			c-2.3-1.1-4.2-2.7-5.6-4.6c-1.4-1.9-2.5-4.1-3.1-6.6c-0.6-2.5-1-5.1-1-7.8V38.3h8.1v21.1c0,1.8,0.2,3.4,0.5,5.1
+			c0.3,1.6,0.9,3,1.7,4.3c0.8,1.2,1.8,2.2,3.1,3C134.2,72.6,135.7,73,137.6,73z"/>
+		<path d="M194.8,45.4h-13.2v34.4h-8.1V45.4h-13.3v-7.1h34.5V45.4z"/>
+		<path d="M228.8,72.7v7.1H200V38.3h28.3v7.1h-20.2v10h17.5v6.5h-17.5v10.8H228.8z"/>
+	</g>
+	<g>
+		<path class="st1" d="M101.5,77.9V50.4L90.8,70.9h-4.4L75.7,50.4v27.4h-8.1V36.4h8.6L88.6,60L101,36.4h8.6v41.5H101.5z"/>
+		<path class="st1" d="M135.7,71c1.9,0,3.5-0.4,4.8-1.2c1.3-0.8,2.4-1.8,3.2-3c0.8-1.2,1.4-2.7,1.7-4.3c0.3-1.6,0.5-3.3,0.5-5V36.4
+			h8v21.1c0,2.8-0.3,5.5-1,8c-0.7,2.5-1.8,4.7-3.2,6.5c-1.5,1.9-3.3,3.3-5.6,4.4c-2.3,1.1-5,1.6-8.2,1.6c-3.3,0-6.1-0.6-8.4-1.7
+			c-2.3-1.1-4.2-2.7-5.6-4.6c-1.4-1.9-2.5-4.1-3.1-6.6c-0.6-2.5-1-5.1-1-7.8V36.4h8.1v21.1c0,1.8,0.2,3.4,0.5,5.1
+			c0.3,1.6,0.9,3,1.7,4.3c0.8,1.2,1.8,2.2,3.1,3C132.2,70.6,133.8,71,135.7,71z"/>
+		<path class="st1" d="M192.9,43.5h-13.2v34.4h-8.1V43.5h-13.3v-7.1h34.5V43.5z"/>
+		<path class="st1" d="M226.9,70.8v7.1h-28.8V36.4h28.3v7.1h-20.2v10h17.5V60h-17.5v10.8H226.9z"/>
+	</g>
+</g>
+</svg>

scripts/system/mod.js

@@ -52,7 +52,9 @@ function removeOverlays() {
 
     for (var i = 0; i < modOverlayKeys.length; ++i) {
         var avatarID = modOverlayKeys[i];
-        Overlays.deleteOverlay(modOverlays[avatarID]);
+        for (var j = 0; j < modOverlays[avatarID].length; ++j) {
+            Overlays.deleteOverlay(modOverlays[avatarID][j]);
+        }
     }
 
     modOverlays = {};
@@ -74,10 +76,14 @@ function buttonClicked(){
 
 button.clicked.connect(buttonClicked);
 
-function overlayURL() {
+function kickOverlayURL() {
     return ASSETS_PATH + "/images/" + (Users.canKick ? "kick-target.svg" : "ignore-target.svg");
 }
 
+function muteOverlayURL() {
+    return ASSETS_PATH + "/images/" + "mute-target.svg";
+}
+
 function updateOverlays() {
     if (isShowingOverlays) {
 
@@ -101,20 +107,28 @@ function updateOverlays() {
             }
 
             // setup a position for the overlay that is just above this avatar's head
-            var overlayPosition = avatar.getJointPosition("Head");
+            var kickOverlayPosition = avatar.getJointPosition("Head");
-            overlayPosition.y += 0.45;
+            kickOverlayPosition.y += 0.45;
+            var muteOverlayPosition = avatar.getJointPosition("Head");
+            muteOverlayPosition.y += 0.70;
 
             if (avatarID in modOverlays) {
                 // keep the overlay above the current position of this avatar
-                Overlays.editOverlay(modOverlays[avatarID], {
+                Overlays.editOverlay(modOverlays[avatarID][0], {
-                    position: overlayPosition,
+                    position: kickOverlayPosition,
-                    url: overlayURL()
+                    url: kickOverlayURL()
                 });
+                if (Users.canKick) {
+                    Overlays.editOverlay(modOverlays[avatarID][1], {
+                        position: muteOverlayPosition,
+                        url: muteOverlayURL()
+                    });
+                }
             } else {
                 // add the overlay above this avatar
-                var newOverlay = Overlays.addOverlay("image3d", {
+                var newKickOverlay = Overlays.addOverlay("image3d", {
-                    url: overlayURL(),
+                    url: kickOverlayURL(),
-                    position: overlayPosition,
+                    position: kickOverlayPosition,
                     size: 1,
                     scale: 0.4,
                     color: { red: 255, green: 255, blue: 255},
@@ -124,8 +138,23 @@ function updateOverlays() {
                     drawInFront: true
                 });
 
-                // push this overlay to our array of overlays
+                modOverlays[avatarID]=[newKickOverlay];
-                modOverlays[avatarID] = newOverlay;
+
+                if (Users.canKick) {
+                    var newMuteOverlay = Overlays.addOverlay("image3d", {
+                        url: muteOverlayURL(),
+                        position: muteOverlayPosition,
+                        size: 1,
+                        scale: 0.4,
+                        color: { red: 255, green: 255, blue: 255},
+                        alpha: 1,
+                        solid: true,
+                        isFacingAvatar: true,
+                        drawInFront: true
+                    });
+                    // push this overlay to our array of overlays
+                    modOverlays[avatarID].push(newMuteOverlay);
+                }
             }
         }
     }
@@ -137,9 +166,11 @@ AvatarList.avatarRemovedEvent.connect(function(avatarID){
     if (isShowingOverlays) {
         // we are currently showing overlays and an avatar just went away
 
-        // first remove the rendered overlay
+        // first remove the rendered overlays
-        Overlays.deleteOverlay(modOverlays[avatarID]);
+        for (var j = 0; j < modOverlays[avatarID].length; ++j) {
-
+            Overlays.deleteOverlay(modOverlays[avatarID][j]);
+        }
+        
         // delete the saved ID of the overlay from our mod overlays object
         delete modOverlays[avatarID];
     }
@@ -151,7 +182,8 @@ function handleSelectedOverlay(clickedOverlay) {
     var modOverlayKeys = Object.keys(modOverlays);
     for (var i = 0; i < modOverlayKeys.length; ++i) {
         var avatarID = modOverlayKeys[i];
-        var modOverlay = modOverlays[avatarID];
+        var modOverlay = modOverlays[avatarID][0];
+        var muteOverlay = modOverlays[avatarID][1];
 
         if (clickedOverlay.overlayID == modOverlay) {
             // matched to an overlay, ask for the matching avatar to be kicked or ignored
@@ -160,8 +192,10 @@ function handleSelectedOverlay(clickedOverlay) {
             } else {
                 Users.ignore(avatarID);
             }
-
             // cleanup of the overlay is handled by the connection to avatarRemovedEvent
+
+        } else if (muteOverlay && clickedOverlay.overlayID == muteOverlay) {
+            Users.mute(avatarID);
         }
     }
 }