diff --git a/assignment-client/CMakeLists.txt b/assignment-client/CMakeLists.txt
index a8343e94ad..b78d4f81f9 100644
--- a/assignment-client/CMakeLists.txt
+++ b/assignment-client/CMakeLists.txt
@@ -28,6 +28,7 @@ link_hifi_library(audio ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(avatars ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(octree ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(voxels ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(fbx ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(particles ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(metavoxels ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(networking ${TARGET_NAME} "${ROOT_DIR}")
@@ -51,4 +52,4 @@ IF (WIN32)
 	target_link_libraries(${TARGET_NAME} Winmm Ws2_32)
 ENDIF(WIN32)
 
-target_link_libraries(${TARGET_NAME} Qt5::Network Qt5::Widgets Qt5::Script "${GNUTLS_LIBRARY}")
\ No newline at end of file
+target_link_libraries(${TARGET_NAME} Qt5::Network Qt5::Widgets Qt5::Script "${GNUTLS_LIBRARY}")
diff --git a/assignment-client/src/Agent.cpp b/assignment-client/src/Agent.cpp
index f48c4b9401..e39cb39307 100644
--- a/assignment-client/src/Agent.cpp
+++ b/assignment-client/src/Agent.cpp
@@ -11,8 +11,10 @@
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QEventLoop>
+#include <QtCore/QStandardPaths>
 #include <QtCore/QTimer>
 #include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkDiskCache>
 #include <QtNetwork/QNetworkRequest>
 #include <QtNetwork/QNetworkReply>
 
@@ -20,6 +22,7 @@
 #include <AvatarData.h>
 #include <NodeList.h>
 #include <PacketHeaders.h>
+#include <ResourceCache.h>
 #include <UUID.h>
 #include <VoxelConstants.h>
 #include <ParticlesScriptingInterface.h>
@@ -30,7 +33,8 @@ Agent::Agent(const QByteArray& packet) :
     ThreadedAssignment(packet),
     _voxelEditSender(),
     _particleEditSender(),
-    _receivedAudioBuffer(NETWORK_BUFFER_LENGTH_SAMPLES_STEREO)
+    _receivedAudioBuffer(NETWORK_BUFFER_LENGTH_SAMPLES_STEREO),
+    _avatarHashMap()
 {
     // be the parent of the script engine so it gets moved when we do
     _scriptEngine.setParent(this);
@@ -128,6 +132,16 @@ void Agent::readPendingDatagrams() {
                 // let this continue through to the NodeList so it updates last heard timestamp
                 // for the sending audio mixer
                 NodeList::getInstance()->processNodeData(senderSockAddr, receivedPacket);
+            } else if (datagramPacketType == PacketTypeBulkAvatarData
+                       || datagramPacketType == PacketTypeAvatarIdentity
+                       || datagramPacketType == PacketTypeAvatarBillboard
+                       || datagramPacketType == PacketTypeKillAvatar) {
+                // let the avatar hash map process it
+                _avatarHashMap.processAvatarMixerDatagram(receivedPacket, nodeList->sendingNodeForPacket(receivedPacket));
+                
+                // let this continue through to the NodeList so it updates last heard timestamp
+                // for the sending avatar-mixer
+                NodeList::getInstance()->processNodeData(senderSockAddr, receivedPacket);
             } else {
                 NodeList::getInstance()->processNodeData(senderSockAddr, receivedPacket);
             }
@@ -148,22 +162,32 @@ void Agent::run() {
                                                  << NodeType::ParticleServer);
     
     // figure out the URL for the script for this agent assignment
-    QString scriptURLString("http://%1:8080/assignment/%2");
-    scriptURLString = scriptURLString.arg(NodeList::getInstance()->getDomainHandler().getIP().toString(),
-                                          uuidStringWithoutCurlyBraces(_uuid));
-    
+    QUrl scriptURL;
+    if (_payload.isEmpty())  {
+        scriptURL = QUrl(QString("http://%1:8080/assignment/%2")
+            .arg(NodeList::getInstance()->getDomainHandler().getIP().toString(),
+                 uuidStringWithoutCurlyBraces(_uuid)));
+    } else {
+        scriptURL = QUrl(_payload);
+    }
+   
     QNetworkAccessManager *networkManager = new QNetworkAccessManager(this);
-    QNetworkReply *reply = networkManager->get(QNetworkRequest(QUrl(scriptURLString)));
+    QNetworkReply *reply = networkManager->get(QNetworkRequest(scriptURL));
+    QNetworkDiskCache* cache = new QNetworkDiskCache(networkManager);
+    QString cachePath = QStandardPaths::writableLocation(QStandardPaths::DataLocation);
+    cache->setCacheDirectory(!cachePath.isEmpty() ? cachePath : "agentCache");
+    networkManager->setCache(cache);
     
-    qDebug() << "Downloading script at" << scriptURLString;
+    qDebug() << "Downloading script at" << scriptURL.toString();
     
     QEventLoop loop;
     QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
     
     loop.exec();
     
-    // let the AvatarData class use our QNetworkAcessManager
+    // let the AvatarData and ResourceCache classes use our QNetworkAccessManager
     AvatarData::setNetworkAccessManager(networkManager);
+    ResourceCache::setNetworkAccessManager(networkManager);
     
     QString scriptContents(reply->readAll());
     
@@ -178,6 +202,7 @@ void Agent::run() {
     
     // give this AvatarData object to the script engine
     _scriptEngine.setAvatarData(&scriptedAvatar, "Avatar");
+    _scriptEngine.setAvatarHashMap(&_avatarHashMap, "AvatarList");
     
     // register ourselves to the script engine
     _scriptEngine.registerGlobalObject("Agent", this);
diff --git a/assignment-client/src/Agent.h b/assignment-client/src/Agent.h
index 2dcd7e3107..9f6a8089cf 100644
--- a/assignment-client/src/Agent.h
+++ b/assignment-client/src/Agent.h
@@ -18,6 +18,7 @@
 #include <QtCore/QObject>
 #include <QtCore/QUrl>
 
+#include <AvatarHashMap.h>
 #include <MixedAudioRingBuffer.h>
 #include <ParticleEditPacketSender.h>
 #include <ParticleTree.h>
@@ -65,6 +66,7 @@ private:
     VoxelTreeHeadlessViewer _voxelViewer;
     
     MixedAudioRingBuffer _receivedAudioBuffer;
+    AvatarHashMap _avatarHashMap;
 };
 
 #endif // hifi_Agent_h
diff --git a/domain-server/resources/web/assignment/css/style.css b/domain-server/resources/web/assignment/css/style.css
index b6c26ca9fd..51813a4d73 100644
--- a/domain-server/resources/web/assignment/css/style.css
+++ b/domain-server/resources/web/assignment/css/style.css
@@ -42,13 +42,13 @@ body {
   background-color: #28FF57;
 }
 
-#instance-field {
+#extra-fields {
   position: absolute;
   right: 20px;
-  top: 40px;
+  top: 30px;
 }
 
-#instance-field input {
+#extra-fields input {
   width: 80px;
 }
 
diff --git a/domain-server/resources/web/assignment/index.shtml b/domain-server/resources/web/assignment/index.shtml
index 64a6d8825f..27c84be985 100644
--- a/domain-server/resources/web/assignment/index.shtml
+++ b/domain-server/resources/web/assignment/index.shtml
@@ -14,8 +14,13 @@
         Run
       </a>
     </div>
-    <div class='big-field' id='instance-field'>
-      <input type='text' name='instances' placeholder='# of instances'>
+    <div id="extra-fields">
+      <div class='big-field' id='instance-field'>
+        <input type='text' name='instances' placeholder='# of instances'>
+      </div>
+      <div class='big-field' id='pool-field'>
+        <input type='text' name='pool' placeholder='pool'>
+      </div>
     </div>
     <!-- %div#stop-button.big-button -->
   </body>
diff --git a/domain-server/resources/web/assignment/js/assignment.js b/domain-server/resources/web/assignment/js/assignment.js
index a04c8192f4..71f4373251 100644
--- a/domain-server/resources/web/assignment/js/assignment.js
+++ b/domain-server/resources/web/assignment/js/assignment.js
@@ -22,9 +22,14 @@ $(document).ready(function(){
       + '--' + boundary + '--\r\n';
       
     var headers = {};
+    
     if ($('#instance-field input').val()) {
       headers['ASSIGNMENT-INSTANCES'] = $('#instance-field input').val();
     }
+    
+    if ($('#pool-field input').val()) {
+      headers['ASSIGNMENT-POOL'] = $('#pool-field input').val();
+    }    
             
     // post form to assignment in order to create an assignment
     $.ajax({
diff --git a/domain-server/src/DomainServer.cpp b/domain-server/src/DomainServer.cpp
index 969b83f64f..9dbb1e478e 100644
--- a/domain-server/src/DomainServer.cpp
+++ b/domain-server/src/DomainServer.cpp
@@ -187,7 +187,7 @@ void DomainServer::setupNodeListAndAssignments(const QUuid& sessionUUID) {
         }
     }
     
-    QSet<Assignment::Type> parsedTypes(QSet<Assignment::Type>() << Assignment::AgentType);
+    QSet<Assignment::Type> parsedTypes;
     parseAssignmentConfigs(parsedTypes);
     
     populateDefaultStaticAssignmentsExcludingTypes(parsedTypes);
@@ -222,12 +222,19 @@ void DomainServer::parseAssignmentConfigs(QSet<Assignment::Type>& excludedTypes)
         
         if (assignmentType < Assignment::AllTypes && !excludedTypes.contains(assignmentType)) {
             QVariant mapValue = _argumentVariantMap[variantMapKeys[configIndex]];
+            QJsonArray assignmentArray;
             
             if (mapValue.type() == QVariant::String) {
                 QJsonDocument deserializedDocument = QJsonDocument::fromJson(mapValue.toString().toUtf8());
-                createStaticAssignmentsForType(assignmentType, deserializedDocument.array());
+                assignmentArray = deserializedDocument.array();
             } else {
-                createStaticAssignmentsForType(assignmentType, mapValue.toJsonValue().toArray());
+                assignmentArray = mapValue.toJsonValue().toArray();
+            }
+            
+            if (assignmentType != Assignment::AgentType) {
+                createStaticAssignmentsForType(assignmentType, assignmentArray);
+            } else {
+                createScriptedAssignmentsFromArray(assignmentArray);
             }
             
             excludedTypes.insert(assignmentType);
@@ -242,6 +249,42 @@ void DomainServer::addStaticAssignmentToAssignmentHash(Assignment* newAssignment
     _staticAssignmentHash.insert(newAssignment->getUUID(), SharedAssignmentPointer(newAssignment));
 }
 
+void DomainServer::createScriptedAssignmentsFromArray(const QJsonArray &configArray) {    
+    foreach(const QJsonValue& jsonValue, configArray) {
+        if (jsonValue.isObject()) {
+            QJsonObject jsonObject = jsonValue.toObject();
+            
+            // make sure we were passed a URL, otherwise this is an invalid scripted assignment
+            const QString  ASSIGNMENT_URL_KEY = "url";
+            QString assignmentURL = jsonObject[ASSIGNMENT_URL_KEY].toString();
+            
+            if (!assignmentURL.isEmpty()) {
+                // check the json for a pool
+                const QString ASSIGNMENT_POOL_KEY = "pool";
+                QString assignmentPool = jsonObject[ASSIGNMENT_POOL_KEY].toString();
+                
+                // check for a number of instances, if not passed then default is 1
+                const QString ASSIGNMENT_INSTANCES_KEY = "instances";
+                int numInstances = jsonObject[ASSIGNMENT_INSTANCES_KEY].toInt();
+                numInstances = (numInstances == 0 ? 1 : numInstances);
+                
+                for (int i = 0; i < numInstances; i++) {
+                    // add a scripted assignment to the queue for this instance
+                    Assignment* scriptAssignment = new Assignment(Assignment::CreateCommand,
+                                                                  Assignment::AgentType,
+                                                                  assignmentPool);
+                    scriptAssignment->setPayload(assignmentURL.toUtf8());
+                    
+                    qDebug() << "Adding scripted assignment to queue -" << *scriptAssignment;
+                    qDebug() << "URL for script is" << assignmentURL;
+                    
+                    _assignmentQueue.enqueue(SharedAssignmentPointer(scriptAssignment));
+                }
+            }
+        }
+    }
+}
+
 void DomainServer::createStaticAssignmentsForType(Assignment::Type type, const QJsonArray& configArray) {
     // we have a string for config for this type
     qDebug() << "Parsing config for assignment type" << type;
@@ -284,8 +327,10 @@ void DomainServer::createStaticAssignmentsForType(Assignment::Type type, const Q
 
 void DomainServer::populateDefaultStaticAssignmentsExcludingTypes(const QSet<Assignment::Type>& excludedTypes) {
     // enumerate over all assignment types and see if we've already excluded it
-    for (int defaultedType = Assignment::AudioMixerType; defaultedType != Assignment::AllTypes; defaultedType++) {
-        if (!excludedTypes.contains((Assignment::Type) defaultedType)) {
+    for (Assignment::Type defaultedType = Assignment::AudioMixerType;
+         defaultedType != Assignment::AllTypes;
+         defaultedType =  static_cast<Assignment::Type>(static_cast<int>(defaultedType) + 1)) {
+        if (!excludedTypes.contains(defaultedType) && defaultedType != Assignment::AgentType) {
             // type has not been set from a command line or config file config, use the default
             // by clearing whatever exists and writing a single default assignment with no payload
             Assignment* newAssignment = new Assignment(Assignment::CreateCommand, (Assignment::Type) defaultedType);
diff --git a/domain-server/src/DomainServer.h b/domain-server/src/DomainServer.h
index 0153fac49d..9bd10b8c60 100644
--- a/domain-server/src/DomainServer.h
+++ b/domain-server/src/DomainServer.h
@@ -66,6 +66,7 @@ private:
     
     void parseAssignmentConfigs(QSet<Assignment::Type>& excludedTypes);
     void addStaticAssignmentToAssignmentHash(Assignment* newAssignment);
+    void createScriptedAssignmentsFromArray(const QJsonArray& configArray);
     void createStaticAssignmentsForType(Assignment::Type type, const QJsonArray& configArray);
     void populateDefaultStaticAssignmentsExcludingTypes(const QSet<Assignment::Type>& excludedTypes);
     
diff --git a/examples/audioReflectorTools.js b/examples/audioReflectorTools.js
index 3cc6a1a21e..76869de578 100644
--- a/examples/audioReflectorTools.js
+++ b/examples/audioReflectorTools.js
@@ -19,6 +19,8 @@ var reflectiveScale = 100.0;
 var diffusionScale = 100.0;
 var absorptionScale = 100.0;
 var combFilterScale = 50.0;
+var originalScale = 2.0;
+var echoesScale = 2.0;
 
 // these three properties are bound together, if you change one, the others will also change
 var reflectiveRatio = AudioReflector.getReflectiveRatio();
@@ -421,6 +423,84 @@ var absorptionThumb = Overlays.addOverlay("image", {
                     alpha: 1
                 });
 
+var originalY = topY;
+topY += sliderHeight;
+
+var originalLabel = Overlays.addOverlay("text", {
+                    x: 40,
+                    y: originalY,
+                    width: 60,
+                    height: sliderHeight,
+                    color: { red: 0, green: 0, blue: 0},
+                    textColor: { red: 255, green: 255, blue: 255},
+                    topMargin: 6,
+                    leftMargin: 5,
+                    text: "Original\nMix:"
+                });
+
+
+var originalSlider = Overlays.addOverlay("image", {
+                    // alternate form of expressing bounds
+                    bounds: { x: 100, y: originalY, width: 150, height: sliderHeight},
+                    subImage: { x: 46, y: 0, width: 200, height: 71  },
+                    imageURL: "https://s3-us-west-1.amazonaws.com/highfidelity-public/images/slider.png",
+                    color: { red: 255, green: 255, blue: 255},
+                    alpha: 1
+                });
+
+
+var originalMinThumbX = 110;
+var originalMaxThumbX = originalMinThumbX + 110;
+var originalThumbX = originalMinThumbX + ((originalMaxThumbX - originalMinThumbX) * (AudioReflector.getOriginalSourceAttenuation() / originalScale));
+var originalThumb = Overlays.addOverlay("image", {
+                    x: originalThumbX,
+                    y: originalY+9,
+                    width: 18,
+                    height: 17,
+                    imageURL: "https://s3-us-west-1.amazonaws.com/highfidelity-public/images/thumb.png",
+                    color: { red: 128, green: 128, blue: 0},
+                    alpha: 1
+                });
+
+var echoesY = topY;
+topY += sliderHeight;
+
+var echoesLabel = Overlays.addOverlay("text", {
+                    x: 40,
+                    y: echoesY,
+                    width: 60,
+                    height: sliderHeight,
+                    color: { red: 0, green: 0, blue: 0},
+                    textColor: { red: 255, green: 255, blue: 255},
+                    topMargin: 6,
+                    leftMargin: 5,
+                    text: "Echoes\nMix:"
+                });
+
+
+var echoesSlider = Overlays.addOverlay("image", {
+                    // alternate form of expressing bounds
+                    bounds: { x: 100, y: echoesY, width: 150, height: sliderHeight},
+                    subImage: { x: 46, y: 0, width: 200, height: 71  },
+                    imageURL: "https://s3-us-west-1.amazonaws.com/highfidelity-public/images/slider.png",
+                    color: { red: 255, green: 255, blue: 255},
+                    alpha: 1
+                });
+
+
+var echoesMinThumbX = 110;
+var echoesMaxThumbX = echoesMinThumbX + 110;
+var echoesThumbX = echoesMinThumbX + ((echoesMaxThumbX - echoesMinThumbX) * (AudioReflector.getEchoesAttenuation() / echoesScale));
+var echoesThumb = Overlays.addOverlay("image", {
+                    x: echoesThumbX,
+                    y: echoesY+9,
+                    width: 18,
+                    height: 17,
+                    imageURL: "https://s3-us-west-1.amazonaws.com/highfidelity-public/images/thumb.png",
+                    color: { red: 128, green: 128, blue: 0},
+                    alpha: 1
+                });
+
 
 // When our script shuts down, we should clean up all of our overlays
 function scriptEnding() {
@@ -460,6 +540,14 @@ function scriptEnding() {
     Overlays.deleteOverlay(absorptionThumb);
     Overlays.deleteOverlay(absorptionSlider);
 
+    Overlays.deleteOverlay(echoesLabel);
+    Overlays.deleteOverlay(echoesThumb);
+    Overlays.deleteOverlay(echoesSlider);
+
+    Overlays.deleteOverlay(originalLabel);
+    Overlays.deleteOverlay(originalThumb);
+    Overlays.deleteOverlay(originalSlider);
+
 }
 Script.scriptEnding.connect(scriptEnding);
 
@@ -483,6 +571,8 @@ var movingSliderLocalFactor = false;
 var movingSliderReflective = false;
 var movingSliderDiffusion = false;
 var movingSliderAbsorption = false;
+var movingSliderOriginal = false;
+var movingSliderEchoes = false;
 
 var thumbClickOffsetX = 0;
 function mouseMoveEvent(event) {
@@ -546,7 +636,6 @@ function mouseMoveEvent(event) {
         var combFilter = ((newThumbX - combFilterMinThumbX) / (combFilterMaxThumbX - combFilterMinThumbX)) * combFilterScale;
         AudioReflector.setCombFilterWindow(combFilter);
     }
-
     if (movingSliderLocalFactor) {
         newThumbX = event.x - thumbClickOffsetX;
         if (newThumbX < localFactorMinThumbX) {
@@ -598,6 +687,30 @@ function mouseMoveEvent(event) {
         var diffusion = ((newThumbX - diffusionMinThumbX) / (diffusionMaxThumbX - diffusionMinThumbX)) * diffusionScale;
         setDiffusionRatio(diffusion);
     }
+    if (movingSliderEchoes) {
+        newThumbX = event.x - thumbClickOffsetX;
+        if (newThumbX < echoesMinThumbX) {
+            newThumbX = echoesMminThumbX;
+        }
+        if (newThumbX > echoesMaxThumbX) {
+            newThumbX = echoesMaxThumbX;
+        }
+        Overlays.editOverlay(echoesThumb, { x: newThumbX } );
+        var echoes = ((newThumbX - echoesMinThumbX) / (echoesMaxThumbX - echoesMinThumbX)) * echoesScale;
+        AudioReflector.setEchoesAttenuation(echoes);
+    }
+    if (movingSliderOriginal) {
+        newThumbX = event.x - thumbClickOffsetX;
+        if (newThumbX < originalMinThumbX) {
+            newThumbX = originalMminThumbX;
+        }
+        if (newThumbX > originalMaxThumbX) {
+            newThumbX = originalMaxThumbX;
+        }
+        Overlays.editOverlay(originalThumb, { x: newThumbX } );
+        var original = ((newThumbX - originalMinThumbX) / (originalMaxThumbX - originalMinThumbX)) * originalScale;
+        AudioReflector.setOriginalSourceAttenuation(original);
+    }
 
 }
 
@@ -640,7 +753,16 @@ function mousePressEvent(event) {
         movingSliderReflective = true;
         thumbClickOffsetX = event.x - reflectiveThumbX;
     }
+    if (clickedOverlay == originalThumb) {
+        movingSliderOriginal = true;
+        thumbClickOffsetX = event.x - originalThumbX;
+    }
+    if (clickedOverlay == echoesThumb) {
+        movingSliderEchoes = true;
+        thumbClickOffsetX = event.x - echoesThumbX;
+    }
 }
+
 function mouseReleaseEvent(event) {
     if (movingSliderDelay) {
         movingSliderDelay = false;
@@ -672,14 +794,12 @@ function mouseReleaseEvent(event) {
         AudioReflector.setCombFilterWindow(combFilter);
         combFilterThumbX = newThumbX;
     }
-
     if (movingSliderLocalFactor) {
         movingSliderLocalFactor = false;
         var localFactor = ((newThumbX - localFactorMinThumbX) / (localFactorMaxThumbX - localFactorMinThumbX)) * localFactorScale;
         AudioReflector.setLocalAudioAttenuationFactor(localFactor);
         localFactorThumbX = newThumbX;
     }
-
     if (movingSliderReflective) {
         movingSliderReflective = false;
         var reflective = ((newThumbX - reflectiveMinThumbX) / (reflectiveMaxThumbX - reflectiveMinThumbX)) * reflectiveScale;
@@ -687,7 +807,6 @@ function mouseReleaseEvent(event) {
         reflectiveThumbX = newThumbX;
         updateRatioSliders();
     }
-
     if (movingSliderDiffusion) {
         movingSliderDiffusion = false;
         var diffusion = ((newThumbX - diffusionMinThumbX) / (diffusionMaxThumbX - diffusionMinThumbX)) * diffusionScale;
@@ -695,7 +814,6 @@ function mouseReleaseEvent(event) {
         diffusionThumbX = newThumbX;
         updateRatioSliders();
     }
-
     if (movingSliderAbsorption) {
         movingSliderAbsorption = false;
         var absorption = ((newThumbX - absorptionMinThumbX) / (absorptionMaxThumbX - absorptionMinThumbX)) * absorptionScale;
@@ -703,6 +821,18 @@ function mouseReleaseEvent(event) {
         absorptionThumbX = newThumbX;
         updateRatioSliders();
     }
+    if (movingSliderEchoes) {
+        movingSliderEchoes = false;
+        var echoes = ((newThumbX - echoesMinThumbX) / (echoesMaxThumbX - echoesMinThumbX)) * echoesScale;
+        AudioReflector.setEchoesAttenuation(echoes);
+        echoesThumbX = newThumbX;
+    }
+    if (movingSliderOriginal) {
+        movingSliderOriginal = false;
+        var original = ((newThumbX - originalMinThumbX) / (originalMaxThumbX - originalMinThumbX)) * originalScale;
+        AudioReflector.setOriginalSourceAttenuation(original);
+        originalThumbX = newThumbX;
+    }
 }
 
 Controller.mouseMoveEvent.connect(mouseMoveEvent);
diff --git a/examples/crazylegs.js b/examples/crazylegs.js
index 6311aea6e4..b0f8e937bc 100644
--- a/examples/crazylegs.js
+++ b/examples/crazylegs.js
@@ -15,12 +15,12 @@ var AMPLITUDE = 45.0;
 
 var cumulativeTime = 0.0;
 
-print("# Joint list start");
 var jointList = MyAvatar.getJointNames(); 
+var jointMappings = "\n# Joint list start";
 for (var i = 0; i < jointList.length; i++) {
-    print("jointIndex = " + jointList[i] + " = " + i);
+    jointMappings = jointMappings + "\njointIndex = " + jointList[i] + " = " + i;
 }
-print("# Joint list end"); 
+print(jointMappings + "\n# Joint list end"); 
 
 Script.update.connect(function(deltaTime) {
     cumulativeTime += deltaTime;
diff --git a/examples/dancing_bot.js b/examples/dancing_bot.js
new file mode 100644
index 0000000000..3572cc5a11
--- /dev/null
+++ b/examples/dancing_bot.js
@@ -0,0 +1,49 @@
+//
+//  dancing_bot.js
+//  examples
+//
+//  Created by Andrzej Kapolka on 4/16/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This is an example script that demonstrates an NPC avatar running an FBX animation loop.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var animation = AnimationCache.getAnimation("http://www.fungibleinsight.com/faces/gangnam_style_2.fbx");
+
+Avatar.skeletonModelURL = "http://www.fungibleinsight.com/faces/beta.fst";
+
+Agent.isAvatar = true;
+
+var jointMapping;
+
+var frameIndex = 0.0;
+
+var FRAME_RATE = 30.0; // frames per second
+
+Script.update.connect(function(deltaTime) {
+    if (!jointMapping) {
+        var avatarJointNames = Avatar.jointNames;
+        var animationJointNames = animation.jointNames;
+        if (avatarJointNames === 0 || animationJointNames.length === 0) {
+            return;
+        }
+        jointMapping = new Array(avatarJointNames.length);
+        for (var i = 0; i < avatarJointNames.length; i++) {
+            jointMapping[i] = animationJointNames.indexOf(avatarJointNames[i]);
+        }
+    }
+    frameIndex += deltaTime * FRAME_RATE;
+    var frames = animation.frames;
+    var rotations = frames[Math.floor(frameIndex) % frames.length].rotations;
+    for (var j = 0; j < jointMapping.length; j++) {
+        var rotationIndex = jointMapping[j];
+        if (rotationIndex != -1) {
+            Avatar.setJointData(j, rotations[rotationIndex]);
+        }
+    }
+});
+
+
diff --git a/examples/editVoxels.js b/examples/editVoxels.js
index 31e8da8e74..ee86d9b599 100644
--- a/examples/editVoxels.js
+++ b/examples/editVoxels.js
@@ -64,19 +64,92 @@ colors[8] = { red: 31,  green: 64,  blue: 64 };
 var numColors = 9;
 var whichColor = -1;            //  Starting color is 'Copy' mode
 
-//  Create sounds for adding, deleting, recoloring voxels 
-var addSound1 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Voxels/voxel+create+2.raw");
-var addSound2 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Voxels/voxel+create+4.raw");
-
-var addSound3 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Voxels/voxel+create+3.raw");
-var deleteSound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Voxels/voxel+delete+2.raw");
-var changeColorSound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Voxels/voxel+edit+2.raw");
-var clickSound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Switches+and+sliders/toggle+switch+-+medium.raw");
+//  Create sounds for for every script actions that require one
 var audioOptions = new AudioInjectionOptions();
-
-audioOptions.volume = 0.5;
+audioOptions.volume = 1.0;
 audioOptions.position = Vec3.sum(MyAvatar.position, { x: 0, y: 1, z: 0 }  ); // start with audio slightly above the avatar
 
+function SoundArray() {
+    this.audioOptions = audioOptions
+    this.sounds = new Array();
+    this.addSound = function (soundURL) {
+        this.sounds[this.sounds.length] = new Sound(soundURL);
+    }
+    this.play = function (index) {
+        if (0 <= index && index < this.sounds.length) {
+            Audio.playSound(this.sounds[index], this.audioOptions);
+        } else {
+            print("[ERROR] editVoxels.js:randSound.play() : Index " + index + " out of range.");
+        }
+    }
+    this.playRandom = function () {
+        if (this.sounds.length > 0) {
+            rand = Math.floor(Math.random() * this.sounds.length);
+            Audio.playSound(this.sounds[rand], this.audioOptions);
+        } else {
+            print("[ERROR] editVoxels.js:randSound.playRandom() : Array is empty.");
+        }
+    }
+}
+
+var addVoxelSound = new SoundArray();
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+1.raw");
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+2.raw");
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+3.raw");
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+4.raw");
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+5.raw");
+addVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Add/VA+6.raw");
+
+var delVoxelSound = new SoundArray();
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+A1.raw");
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+A2.raw");
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+A3.raw");
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+B1.raw");
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+B2.raw");
+delVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Del/VD+B3.raw");
+
+var resizeVoxelSound = new SoundArray();
+resizeVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Size/V+Size+Minus.raw");
+resizeVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Voxel+Size/V+Size+Plus.raw");
+var voxelSizeMinus = 0;
+var voxelSizePlus = 1;
+
+var swatchesSound = new SoundArray();
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+1.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+2.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+3.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+4.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+5.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+6.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+7.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+8.raw");
+swatchesSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Swatches/Swatch+9.raw");
+
+var undoSound = new SoundArray();
+undoSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Undo/Undo+1.raw");
+undoSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Undo/Undo+2.raw");
+undoSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Undo/Undo+3.raw");
+
+var scriptInitSound = new SoundArray();
+scriptInitSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Script+Init/Script+Init+A.raw");
+scriptInitSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Script+Init/Script+Init+B.raw");
+scriptInitSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Script+Init/Script+Init+C.raw");
+scriptInitSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Script+Init/Script+Init+D.raw");
+
+var modeSwitchSound = new SoundArray();
+modeSwitchSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Mode+Switch/Mode+1.raw");
+modeSwitchSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Mode+Switch/Mode+2.raw");
+modeSwitchSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Mode+Switch/Mode+3.raw");
+
+var initialVoxelSound = new SoundArray();
+initialVoxelSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Initial+Voxel/Initial+V.raw");
+
+var colorInheritSound = new SoundArray();
+colorInheritSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Color+Inherit/Inherit+A.raw");
+colorInheritSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Color+Inherit/Inherit+B.raw");
+colorInheritSound.addSound("https://highfidelity-public.s3.amazonaws.com/sounds/Voxel+Editing/Color+Inherit/Inherit+C.raw");
+
+
 var editToolsOn = true; // starts out off
 
 // previewAsVoxel - by default, we will preview adds/deletes/recolors as just 4 lines on the intersecting face. But if you
@@ -379,8 +452,17 @@ function calcThumbFromScale(scale) {
     if (thumbStep > pointerVoxelScaleSteps) {
         thumbStep = pointerVoxelScaleSteps;
     }
+    var oldThumbX = thumbX;
     thumbX = (thumbDeltaPerStep * (thumbStep - 1)) + minThumbX;
     Overlays.editOverlay(thumb, { x: thumbX + sliderX } );
+    
+    if (thumbX > oldThumbX) {
+        resizeVoxelSound.play(voxelSizePlus);
+        print("Plus");
+    } else if (thumbX < oldThumbX) {
+        resizeVoxelSound.play(voxelSizeMinus);
+        print("Minus");
+    }
 }
 
 function calcScaleFromThumb(newThumbX) {
@@ -443,15 +525,6 @@ var recolorToolSelected = false;
 var eyedropperToolSelected = false;
 var pasteMode = false;
 
-function playRandomAddSound(audioOptions) {
-    if (Math.random() < 0.33) {
-        Audio.playSound(addSound1, audioOptions);
-    } else if (Math.random() < 0.5) {
-        Audio.playSound(addSound2, audioOptions);
-    } else {
-        Audio.playSound(addSound3, audioOptions);
-    }
-}
 
 function calculateVoxelFromIntersection(intersection, operation) {
     //print("calculateVoxelFromIntersection() operation="+operation);
@@ -744,7 +817,7 @@ function trackKeyReleaseEvent(event) {
         moveTools();
         setAudioPosition(); // make sure we set the audio position before playing sounds
         showPreviewGuides();
-        Audio.playSound(clickSound, audioOptions);
+        scriptInitSound.playRandom();
     }
                           
     if (event.text == "ALT") {
@@ -808,18 +881,21 @@ function mousePressEvent(event) {
         Overlays.editOverlay(thumb, { imageURL: toolIconUrl + "voxel-size-slider-handle.svg", });
         
     } else if (clickedOverlay == voxelTool) {
+        modeSwitchSound.play(0);
         voxelToolSelected = true;
         recolorToolSelected = false;
         eyedropperToolSelected = false;
         moveTools();
         clickedOnSomething = true;
     } else if (clickedOverlay == recolorTool) {
+        modeSwitchSound.play(1);
         voxelToolSelected = false;
         recolorToolSelected = true;
         eyedropperToolSelected = false;
         moveTools();
         clickedOnSomething = true;
     } else if (clickedOverlay == eyedropperTool) {
+        modeSwitchSound.play(2);
         voxelToolSelected = false;
         recolorToolSelected = false;
         eyedropperToolSelected = true;
@@ -846,6 +922,7 @@ function mousePressEvent(event) {
                 whichColor = s;
                 moveTools();
                 clickedOnSomething = true;
+                swatchesSound.play(whichColor);
                 break;
             }
         }
@@ -888,7 +965,7 @@ function mousePressEvent(event) {
             //  Delete voxel
             voxelDetails = calculateVoxelFromIntersection(intersection,"delete");
             Voxels.eraseVoxel(voxelDetails.x, voxelDetails.y, voxelDetails.z, voxelDetails.s);
-            Audio.playSound(deleteSound, audioOptions);
+            delVoxelSound.playRandom();
             Overlays.editOverlay(voxelPreview, { visible: false });
         } else if (eyedropperToolSelected || trackAsEyedropper) {
             if (whichColor != -1) {
@@ -896,6 +973,7 @@ function mousePressEvent(event) {
                 colors[whichColor].green = intersection.voxel.green;
                 colors[whichColor].blue = intersection.voxel.blue;
                 moveTools();
+                swatchesSound.play(whichColor);
             }
             
         } else if (recolorToolSelected || trackAsRecolor) {
@@ -903,10 +981,9 @@ function mousePressEvent(event) {
             voxelDetails = calculateVoxelFromIntersection(intersection,"recolor");
 
             // doing this erase then set will make sure we only recolor just the target voxel
-            Voxels.eraseVoxel(voxelDetails.x, voxelDetails.y, voxelDetails.z, voxelDetails.s);
             Voxels.setVoxel(voxelDetails.x, voxelDetails.y, voxelDetails.z, voxelDetails.s, 
                             colors[whichColor].red, colors[whichColor].green, colors[whichColor].blue);
-            Audio.playSound(changeColorSound, audioOptions);
+            swatchesSound.play(whichColor);
             Overlays.editOverlay(voxelPreview, { visible: false });
         } else if (voxelToolSelected) {
             //  Add voxel on face
@@ -930,7 +1007,7 @@ function mousePressEvent(event) {
             lastVoxelColor = { red: newColor.red, green: newColor.green, blue: newColor.blue };
             lastVoxelScale = voxelDetails.s;
 
-            playRandomAddSound(audioOptions);
+            addVoxelSound.playRandom();
             
             Overlays.editOverlay(voxelPreview, { visible: false });
             dragStart = { x: event.x, y: event.y };
@@ -946,12 +1023,12 @@ function keyPressEvent(event) {
         if (event.text == "`") {
             print("Color = Copy");
             whichColor = -1;
-            Audio.playSound(clickSound, audioOptions);
+            colorInheritSound.playRandom();
             moveTools();
         } else if ((nVal > 0) && (nVal <= numColors)) {
             whichColor = nVal - 1;
             print("Color = " + (whichColor + 1));
-            Audio.playSound(clickSound, audioOptions);
+            swatchesSound.play(whichColor);
             moveTools();
         } else if (event.text == "0") {
             // Create a brand new 1 meter voxel in front of your avatar 
@@ -969,8 +1046,12 @@ function keyPressEvent(event) {
             Voxels.eraseVoxel(newVoxel.x, newVoxel.y, newVoxel.z, newVoxel.s);
             Voxels.setVoxel(newVoxel.x, newVoxel.y, newVoxel.z, newVoxel.s, newVoxel.red, newVoxel.green, newVoxel.blue);
             setAudioPosition();
-            playRandomAddSound(audioOptions);
+            initialVoxelSound.playRandom();
+        } else if (event.text == "z") {
+            undoSound.playRandom();
         }
+        
+        
     }
     
     trackKeyPressEvent(event); // used by preview support
diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index 6295095b43..557af35e12 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -120,6 +120,7 @@ include(${MACRO_DIR}/LinkHifiLibrary.cmake)
 link_hifi_library(shared ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(octree ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(voxels ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(fbx ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(metavoxels ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(networking ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(particles ${TARGET_NAME} "${ROOT_DIR}")
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index bd7a82b439..438722df17 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -1679,8 +1679,12 @@ void Application::init() {
     _audioReflector.setMyAvatar(getAvatar());
     _audioReflector.setVoxels(_voxels.getTree());
     _audioReflector.setAudio(getAudio());
+    _audioReflector.setAvatarManager(&_avatarManager);
+
     connect(getAudio(), &Audio::processInboundAudio, &_audioReflector, &AudioReflector::processInboundAudio,Qt::DirectConnection);
     connect(getAudio(), &Audio::processLocalAudio, &_audioReflector, &AudioReflector::processLocalAudio,Qt::DirectConnection);
+    connect(getAudio(), &Audio::preProcessOriginalInboundAudio, &_audioReflector, 
+                        &AudioReflector::preProcessOriginalInboundAudio,Qt::DirectConnection);
 
     // save settings when avatar changes
     connect(_myAvatar, &MyAvatar::transformChanged, this, &Application::bumpSettings);
@@ -3397,6 +3401,7 @@ void Application::loadScript(const QString& scriptName) {
     scriptEngine->registerGlobalObject("Menu", MenuScriptingInterface::getInstance());
     scriptEngine->registerGlobalObject("Settings", SettingsScriptingInterface::getInstance());
     scriptEngine->registerGlobalObject("AudioDevice", AudioDeviceScriptingInterface::getInstance());
+    scriptEngine->registerGlobalObject("AnimationCache", &_animationCache);
     scriptEngine->registerGlobalObject("AudioReflector", &_audioReflector);
 
     QThread* workerThread = new QThread(this);
diff --git a/interface/src/Application.h b/interface/src/Application.h
index 2656ff47ce..b8f8a0c0ff 100644
--- a/interface/src/Application.h
+++ b/interface/src/Application.h
@@ -470,6 +470,7 @@ private:
     QSet<int> _keysPressed;
 
     GeometryCache _geometryCache;
+    AnimationCache _animationCache;
     TextureCache _textureCache;
 
     GlowEffect _glowEffect;
diff --git a/interface/src/Audio.cpp b/interface/src/Audio.cpp
index daa7c036eb..830e2fe69b 100644
--- a/interface/src/Audio.cpp
+++ b/interface/src/Audio.cpp
@@ -784,6 +784,7 @@ void Audio::processReceivedAudio(const QByteArray& audioByteArray) {
                 _ringBuffer.readSamples((int16_t*)buffer.data(), numNetworkOutputSamples);
                 // Accumulate direct transmission of audio from sender to receiver
                 if (Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessingIncludeOriginal)) {
+                    emit preProcessOriginalInboundAudio(sampleTime, buffer, _desiredOutputFormat);
                     addSpatialAudioToBuffer(sampleTime, buffer, numNetworkOutputSamples);
                 }
 
diff --git a/interface/src/Audio.h b/interface/src/Audio.h
index 3b19d98146..96def43dd2 100644
--- a/interface/src/Audio.h
+++ b/interface/src/Audio.h
@@ -99,6 +99,7 @@ public slots:
 
 signals:
     bool muteToggled();
+    void preProcessOriginalInboundAudio(unsigned int sampleTime, QByteArray& samples, const QAudioFormat& format);
     void processInboundAudio(unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format);
     void processLocalAudio(unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format);
     
diff --git a/interface/src/AudioReflector.cpp b/interface/src/AudioReflector.cpp
index 52558f1d59..e66735c403 100644
--- a/interface/src/AudioReflector.cpp
+++ b/interface/src/AudioReflector.cpp
@@ -25,6 +25,8 @@ const float SLIGHTLY_SHORT = 0.999f; // slightly inside the distance so we're on
 
 const float DEFAULT_ABSORPTION_RATIO = 0.125; // 12.5% is absorbed
 const float DEFAULT_DIFFUSION_RATIO = 0.125; // 12.5% is diffused
+const float DEFAULT_ORIGINAL_ATTENUATION = 1.0f;
+const float DEFAULT_ECHO_ATTENUATION = 1.0f;
 
 AudioReflector::AudioReflector(QObject* parent) : 
     QObject(parent),
@@ -36,6 +38,8 @@ AudioReflector::AudioReflector(QObject* parent) :
     _diffusionFanout(DEFAULT_DIFFUSION_FANOUT),
     _absorptionRatio(DEFAULT_ABSORPTION_RATIO),
     _diffusionRatio(DEFAULT_DIFFUSION_RATIO),
+    _originalSourceAttenuation(DEFAULT_ORIGINAL_ATTENUATION),
+    _allEchoesAttenuation(DEFAULT_ECHO_ATTENUATION),
     _withDiffusion(false),
     _lastPreDelay(DEFAULT_PRE_DELAY),
     _lastSoundMsPerMeter(DEFAULT_MS_DELAY_PER_METER),
@@ -43,20 +47,29 @@ AudioReflector::AudioReflector(QObject* parent) :
     _lastLocalAudioAttenuationFactor(DEFAULT_LOCAL_ATTENUATION_FACTOR),
     _lastDiffusionFanout(DEFAULT_DIFFUSION_FANOUT),
     _lastAbsorptionRatio(DEFAULT_ABSORPTION_RATIO),
-    _lastDiffusionRatio(DEFAULT_DIFFUSION_RATIO)
+    _lastDiffusionRatio(DEFAULT_DIFFUSION_RATIO),
+    _lastDontDistanceAttenuate(false),
+    _lastAlternateDistanceAttenuate(false)
 {
     _reflections = 0;
     _diffusionPathCount = 0;
-    _averageAttenuation = 0.0f;
-    _maxAttenuation = 0.0f;
-    _minAttenuation = 0.0f;
-    _averageDelay = 0;
-    _maxDelay = 0;
-    _minDelay = 0;
+    _officialAverageAttenuation = _averageAttenuation = 0.0f;
+    _officialMaxAttenuation = _maxAttenuation = 0.0f;
+    _officialMinAttenuation = _minAttenuation = 0.0f;
+    _officialAverageDelay = _averageDelay = 0;
+    _officialMaxDelay = _maxDelay = 0;
+    _officialMinDelay = _minDelay = 0;
+    _inboundEchoesCount = 0;
+    _inboundEchoesSuppressedCount = 0;
+    _localEchoesCount = 0;
+    _localEchoesSuppressedCount = 0;
 }
 
 bool AudioReflector::haveAttributesChanged() {
     bool withDiffusion = Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessingWithDiffusions);
+    bool dontDistanceAttenuate = Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessingDontDistanceAttenuate);
+    bool alternateDistanceAttenuate = Menu::getInstance()->isOptionChecked(
+                                                MenuOption::AudioSpatialProcessingAlternateDistanceAttenuate);
     
     bool attributesChange = (_withDiffusion != withDiffusion
         || _lastPreDelay != _preDelay
@@ -64,7 +77,9 @@ bool AudioReflector::haveAttributesChanged() {
         || _lastDistanceAttenuationScalingFactor != _distanceAttenuationScalingFactor
         || _lastDiffusionFanout != _diffusionFanout
         || _lastAbsorptionRatio != _absorptionRatio
-        || _lastDiffusionRatio != _diffusionRatio);
+        || _lastDiffusionRatio != _diffusionRatio
+        || _lastDontDistanceAttenuate != dontDistanceAttenuate
+        || _lastAlternateDistanceAttenuate != alternateDistanceAttenuate);
 
     if (attributesChange) {
         _withDiffusion = withDiffusion;
@@ -74,6 +89,8 @@ bool AudioReflector::haveAttributesChanged() {
         _lastDiffusionFanout = _diffusionFanout;
         _lastAbsorptionRatio = _absorptionRatio;
         _lastDiffusionRatio = _diffusionRatio;
+        _lastDontDistanceAttenuate = dontDistanceAttenuate;
+        _lastAlternateDistanceAttenuate = alternateDistanceAttenuate;
     }
     
     return attributesChange;
@@ -107,19 +124,47 @@ float AudioReflector::getDelayFromDistance(float distance) {
 
 // attenuation = from the Audio Mixer
 float AudioReflector::getDistanceAttenuationCoefficient(float distance) {
-    const float DISTANCE_SCALE = 2.5f;
-    const float GEOMETRIC_AMPLITUDE_SCALAR = 0.3f;
-    const float DISTANCE_LOG_BASE = 2.5f;
-    const float DISTANCE_SCALE_LOG = logf(DISTANCE_SCALE) / logf(DISTANCE_LOG_BASE);
+
+
+    bool doDistanceAttenuation = !Menu::getInstance()->isOptionChecked(
+                                            MenuOption::AudioSpatialProcessingDontDistanceAttenuate);
+
+    bool originalFormula = !Menu::getInstance()->isOptionChecked(
+                                            MenuOption::AudioSpatialProcessingAlternateDistanceAttenuate);
     
-    float distanceSquareToSource = distance * distance;
+    
+    float distanceCoefficient = 1.0f;
+    
+    if (doDistanceAttenuation) {
+    
+        if (originalFormula) {
+            const float DISTANCE_SCALE = 2.5f;
+            const float GEOMETRIC_AMPLITUDE_SCALAR = 0.3f;
+            const float DISTANCE_LOG_BASE = 2.5f;
+            const float DISTANCE_SCALE_LOG = logf(DISTANCE_SCALE) / logf(DISTANCE_LOG_BASE);
+    
+            float distanceSquareToSource = distance * distance;
 
-    // calculate the distance coefficient using the distance to this node
-    float distanceCoefficient = powf(GEOMETRIC_AMPLITUDE_SCALAR,
-                                     DISTANCE_SCALE_LOG +
-                                     (0.5f * logf(distanceSquareToSource) / logf(DISTANCE_LOG_BASE)) - 1);
-
-    distanceCoefficient = std::min(1.0f, distanceCoefficient * getDistanceAttenuationScalingFactor());
+            // calculate the distance coefficient using the distance to this node
+            distanceCoefficient = powf(GEOMETRIC_AMPLITUDE_SCALAR,
+                                             DISTANCE_SCALE_LOG +
+                                             (0.5f * logf(distanceSquareToSource) / logf(DISTANCE_LOG_BASE)) - 1);
+            distanceCoefficient = std::min(1.0f, distanceCoefficient * getDistanceAttenuationScalingFactor());
+        } else {
+        
+            // From Fred: If we wanted something that would produce a tail that could go up to 5 seconds in a 
+            // really big room, that would suggest the sound still has to be in the audible after traveling about 
+            // 1500 meters.  If it’s a sound of average volume, we probably have about 30 db, or 5 base2 orders 
+            // of magnitude we can drop down before the sound becomes inaudible. (That’s approximate headroom 
+            // based on a few sloppy assumptions.) So we could try a factor like 1 / (2^(D/300)) for starters.
+            // 1 / (2^(D/300))
+            const float DISTANCE_BASE = 2.0f;
+            const float DISTANCE_DENOMINATOR = 300.0f;
+            const float DISTANCE_NUMERATOR = 300.0f;
+            distanceCoefficient = DISTANCE_NUMERATOR / powf(DISTANCE_BASE, (distance / DISTANCE_DENOMINATOR ));
+            distanceCoefficient = std::min(1.0f, distanceCoefficient * getDistanceAttenuationScalingFactor());
+        }
+    }
     
     return distanceCoefficient;
 }
@@ -236,11 +281,13 @@ void AudioReflector::injectAudiblePoint(AudioSource source, const AudiblePoint&
                 rightSample = originalSamplesData[(sample * NUMBER_OF_CHANNELS) + 1];
             }
 
-            attenuatedLeftSamplesData[sample * NUMBER_OF_CHANNELS] = leftSample * leftEarAttenuation;
+            attenuatedLeftSamplesData[sample * NUMBER_OF_CHANNELS] = 
+                        leftSample * leftEarAttenuation * _allEchoesAttenuation;
             attenuatedLeftSamplesData[sample * NUMBER_OF_CHANNELS + 1] = 0;
 
             attenuatedRightSamplesData[sample * NUMBER_OF_CHANNELS] = 0;
-            attenuatedRightSamplesData[sample * NUMBER_OF_CHANNELS + 1] = rightSample * rightEarAttenuation;
+            attenuatedRightSamplesData[sample * NUMBER_OF_CHANNELS + 1] = 
+                        rightSample * rightEarAttenuation * _allEchoesAttenuation;
         }
         
         // now inject the attenuated array with the appropriate delay
@@ -249,9 +296,25 @@ void AudioReflector::injectAudiblePoint(AudioSource source, const AudiblePoint&
     
         _audio->addSpatialAudioToBuffer(sampleTimeLeft, attenuatedLeftSamples, totalNumberOfSamples);
         _audio->addSpatialAudioToBuffer(sampleTimeRight, attenuatedRightSamples, totalNumberOfSamples);
+        
+        _injectedEchoes++;
     }
 }
 
+
+void AudioReflector::preProcessOriginalInboundAudio(unsigned int sampleTime, 
+                                QByteArray& samples, const QAudioFormat& format) {
+                                
+    if (_originalSourceAttenuation != 1.0f) {
+        int numberOfSamples = (samples.size() / sizeof(int16_t));
+        int16_t* sampleData = (int16_t*)samples.data();
+        for (int i = 0; i < numberOfSamples; i++) {
+            sampleData[i] = sampleData[i] * _originalSourceAttenuation;
+        }
+    }
+
+}
+
 void AudioReflector::processLocalAudio(unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format) {
     if (Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessingProcessLocalAudio)) {
         const int NUM_CHANNELS_INPUT = 1;
@@ -272,6 +335,8 @@ void AudioReflector::processLocalAudio(unsigned int sampleTime, const QByteArray
             _localAudioDelays.clear();
             _localEchoesSuppressed.clear();
             echoAudio(LOCAL_AUDIO, sampleTime, stereoInputData, outputFormat);
+            _localEchoesCount = _localAudioDelays.size();
+            _localEchoesSuppressedCount = _localEchoesSuppressed.size();
         }
     }
 }
@@ -280,9 +345,13 @@ void AudioReflector::processInboundAudio(unsigned int sampleTime, const QByteArr
     _inboundAudioDelays.clear();
     _inboundEchoesSuppressed.clear();
     echoAudio(INBOUND_AUDIO, sampleTime, samples, format);
+    _inboundEchoesCount = _inboundAudioDelays.size();
+    _inboundEchoesSuppressedCount = _inboundEchoesSuppressed.size();
 }
 
 void AudioReflector::echoAudio(AudioSource source, unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format) {
+    QMutexLocker locker(&_mutex);
+
     _maxDelay = 0;
     _maxAttenuation = 0.0f;
     _minDelay = std::numeric_limits<int>::max();
@@ -292,14 +361,20 @@ void AudioReflector::echoAudio(AudioSource source, unsigned int sampleTime, cons
     _totalAttenuation = 0.0f;
     _attenuationCount = 0;
 
-    QMutexLocker locker(&_mutex);
-
     // depending on if we're processing local or external audio, pick the correct points vector
     QVector<AudiblePoint>& audiblePoints = source == INBOUND_AUDIO ? _inboundAudiblePoints : _localAudiblePoints;
 
+    int injectCalls = 0;
+    _injectedEchoes = 0;
     foreach(const AudiblePoint& audiblePoint, audiblePoints) {
+        injectCalls++;
         injectAudiblePoint(source, audiblePoint, samples, sampleTime, format.sampleRate());
     }
+    
+    /*
+    qDebug() << "injectCalls=" << injectCalls;
+    qDebug() << "_injectedEchoes=" << _injectedEchoes;
+    */
 
     _averageDelay = _delayCount == 0 ? 0 : _totalDelay / _delayCount;
     _averageAttenuation = _attenuationCount == 0 ? 0 : _totalAttenuation / _attenuationCount;
@@ -308,6 +383,14 @@ void AudioReflector::echoAudio(AudioSource source, unsigned int sampleTime, cons
         _minDelay = 0.0f;
         _minAttenuation = 0.0f;
     }
+    
+    _officialMaxDelay = _maxDelay;
+    _officialMinDelay = _minDelay;
+    _officialMaxAttenuation = _maxAttenuation;
+    _officialMinAttenuation = _minAttenuation;
+    _officialAverageDelay = _averageDelay;
+    _officialAverageAttenuation = _averageAttenuation;
+
 }
 
 void AudioReflector::drawVector(const glm::vec3& start, const glm::vec3& end, const glm::vec3& color) {
@@ -359,6 +442,19 @@ void AudioReflector::addAudioPath(AudioSource source, const glm::vec3& origin, c
     audioPaths.push_back(path);
 }
 
+// NOTE: This is a prototype of an eventual utility that will identify the speaking sources for the inbound audio
+// stream. It's not currently called but will be added soon.
+void AudioReflector::identifyAudioSources() {
+    // looking for audio sources....
+    foreach (const AvatarSharedPointer& avatarPointer, _avatarManager->getAvatarHash()) {
+        Avatar* avatar = static_cast<Avatar*>(avatarPointer.data());
+        if (!avatar->isInitialized()) {
+            continue;
+        }
+        qDebug() << "avatar["<< avatar <<"] loudness:" <<  avatar->getAudioLoudness();
+    }
+}
+
 void AudioReflector::calculateAllReflections() {
     // only recalculate when we've moved, or if the attributes have changed
     // TODO: what about case where new voxels are added in front of us???
diff --git a/interface/src/AudioReflector.h b/interface/src/AudioReflector.h
index 2408b70a96..582345e064 100644
--- a/interface/src/AudioReflector.h
+++ b/interface/src/AudioReflector.h
@@ -15,6 +15,7 @@
 
 #include "Audio.h"
 #include "avatar/MyAvatar.h"
+#include "avatar/AvatarManager.h"
 
 enum AudioSource {
     LOCAL_AUDIO,
@@ -69,25 +70,27 @@ public:
     void setVoxels(VoxelTree* voxels) { _voxels = voxels; }
     void setMyAvatar(MyAvatar* myAvatar) { _myAvatar = myAvatar; }
     void setAudio(Audio* audio) { _audio = audio; }
+    void setAvatarManager(AvatarManager* avatarManager) { _avatarManager = avatarManager; }
 
     void render(); /// must be called in the application render loop
     
+    void preProcessOriginalInboundAudio(unsigned int sampleTime, QByteArray& samples, const QAudioFormat& format);
     void processInboundAudio(unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format);
     void processLocalAudio(unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format);
 
 public slots:
     // statistics
     int getReflections() const { return _reflections; }
-    float getAverageDelayMsecs() const { return _averageDelay; }
-    float getAverageAttenuation() const { return _averageAttenuation; }
-    float getMaxDelayMsecs() const { return _maxDelay; }
-    float getMaxAttenuation() const { return _maxAttenuation; }
-    float getMinDelayMsecs() const { return _minDelay; }
-    float getMinAttenuation() const { return _minAttenuation; }
+    float getAverageDelayMsecs() const { return _officialAverageDelay; }
+    float getAverageAttenuation() const { return _officialAverageAttenuation; }
+    float getMaxDelayMsecs() const { return _officialMaxDelay; }
+    float getMaxAttenuation() const { return _officialMaxAttenuation; }
+    float getMinDelayMsecs() const { return _officialMinDelay; }
+    float getMinAttenuation() const { return _officialMinAttenuation; }
     float getDelayFromDistance(float distance);
     int getDiffusionPathCount() const { return _diffusionPathCount; }
-    int getEchoesInjected() const { return _inboundAudioDelays.size() + _localAudioDelays.size(); }
-    int getEchoesSuppressed() const { return _inboundEchoesSuppressed.size() + _localEchoesSuppressed.size(); }
+    int getEchoesInjected() const { return _inboundEchoesCount + _localEchoesCount; }
+    int getEchoesSuppressed() const { return _inboundEchoesSuppressedCount + _localEchoesSuppressedCount; }
 
     /// ms of delay added to all echos
     float getPreDelay() const { return _preDelay; }
@@ -126,12 +129,19 @@ public slots:
     float getReflectiveRatio() const { return (1.0f - (_absorptionRatio + _diffusionRatio)); }
     void setReflectiveRatio(float ratio);
 
+    // wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
+    float getOriginalSourceAttenuation() const { return _originalSourceAttenuation; }
+    void setOriginalSourceAttenuation(float value) { _originalSourceAttenuation = value; }
+    float getEchoesAttenuation() const { return _allEchoesAttenuation; }
+    void setEchoesAttenuation(float value) { _allEchoesAttenuation = value; }
+
 signals:
     
 private:
     VoxelTree* _voxels; // used to access voxel scene
     MyAvatar* _myAvatar; // access to listener
     Audio* _audio; // access to audio API
+    AvatarManager* _avatarManager; // access to avatar manager API
 
     // Helpers for drawing
     void drawVector(const glm::vec3& start, const glm::vec3& end, const glm::vec3& color);
@@ -147,11 +157,18 @@ private:
     float _averageDelay;
     float _maxDelay;
     float _minDelay;
+    float _officialAverageDelay;
+    float _officialMaxDelay;
+    float _officialMinDelay;
     int _attenuationCount;
     float _totalAttenuation;
     float _averageAttenuation;
     float _maxAttenuation;
     float _minAttenuation;
+    float _officialAverageAttenuation;
+    float _officialMaxAttenuation;
+    float _officialMinAttenuation;
+
 
     glm::vec3 _listenerPosition;
     glm::vec3 _origin;
@@ -161,11 +178,15 @@ private:
     QVector<AudiblePoint> _inboundAudiblePoints; /// the audible points that have been calculated from the inbound audio paths
     QMap<float, float> _inboundAudioDelays; /// delay times for currently injected audio points
     QVector<float> _inboundEchoesSuppressed; /// delay times for currently injected audio points
+    int _inboundEchoesCount;
+    int _inboundEchoesSuppressedCount;
 
     QVector<AudioPath*> _localAudioPaths; /// audio paths we're processing for local audio
     QVector<AudiblePoint> _localAudiblePoints; /// the audible points that have been calculated from the local audio paths
     QMap<float, float> _localAudioDelays; /// delay times for currently injected audio points
     QVector<float> _localEchoesSuppressed; /// delay times for currently injected audio points
+    int _localEchoesCount;
+    int _localEchoesSuppressedCount;
 
     // adds a sound source to begin an audio path trace, these can be the initial sound sources with their directional properties,
     // as well as diffusion sound sources
@@ -182,6 +203,7 @@ private:
     void calculateAllReflections();
     int countDiffusionPaths();
     glm::vec3 getFaceNormal(BoxFace face);
+    void identifyAudioSources();
 
     void injectAudiblePoint(AudioSource source, const AudiblePoint& audiblePoint, const QByteArray& samples, unsigned int sampleTime, int sampleRate);
     void echoAudio(AudioSource source, unsigned int sampleTime, const QByteArray& samples, const QAudioFormat& format);
@@ -197,13 +219,16 @@ private:
     float _distanceAttenuationScalingFactor;
     float _localAudioAttenuationFactor;
     float _combFilterWindow;
-
     int _diffusionFanout; // number of points of diffusion from each reflection point
 
     // all elements have the same material for now...
     float _absorptionRatio;
     float _diffusionRatio;
     float _reflectiveRatio;
+    
+    // wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
+    float _originalSourceAttenuation; /// each sample of original signal will be multiplied by this
+    float _allEchoesAttenuation; /// each sample of all echo signals will be multiplied by this
 
     // remember the last known values at calculation    
     bool haveAttributesChanged();
@@ -216,6 +241,10 @@ private:
     int _lastDiffusionFanout;
     float _lastAbsorptionRatio;
     float _lastDiffusionRatio;
+    bool _lastDontDistanceAttenuate;
+    bool _lastAlternateDistanceAttenuate;
+    
+    int _injectedEchoes;
 };
 
 
diff --git a/interface/src/Menu.cpp b/interface/src/Menu.cpp
index 85c3d5b0c3..b05e5c91bc 100644
--- a/interface/src/Menu.cpp
+++ b/interface/src/Menu.cpp
@@ -429,6 +429,14 @@ Menu::Menu() :
                                            Qt::CTRL | Qt::SHIFT | Qt::Key_A,
                                            true);
 
+    addCheckableActionToQMenuAndActionHash(spatialAudioMenu, MenuOption::AudioSpatialProcessingDontDistanceAttenuate,
+                                           Qt::CTRL | Qt::SHIFT | Qt::Key_Y,
+                                           false);
+
+    addCheckableActionToQMenuAndActionHash(spatialAudioMenu, MenuOption::AudioSpatialProcessingAlternateDistanceAttenuate,
+                                           Qt::CTRL | Qt::SHIFT | Qt::Key_U,
+                                           false);
+
     addActionToQMenuAndActionHash(developerMenu, MenuOption::PasteToVoxel,
                 Qt::CTRL | Qt::SHIFT | Qt::Key_V,
                 this,
diff --git a/interface/src/Menu.h b/interface/src/Menu.h
index a62f54b0c6..c17c9cc507 100644
--- a/interface/src/Menu.h
+++ b/interface/src/Menu.h
@@ -268,6 +268,10 @@ namespace MenuOption {
     const QString AudioSpatialProcessingSlightlyRandomSurfaces = "Slightly Random Surfaces";
     const QString AudioSpatialProcessingStereoSource = "Stereo Source";
     const QString AudioSpatialProcessingWithDiffusions = "With Diffusions";
+    const QString AudioSpatialProcessingDontDistanceAttenuate = "Don't calculate distance attenuation";
+    const QString AudioSpatialProcessingAlternateDistanceAttenuate = "Alternate distance attenuation";
+    
+    
 
     const QString Avatars = "Avatars";
     const QString Bandwidth = "Bandwidth Display";
diff --git a/interface/src/ModelUploader.cpp b/interface/src/ModelUploader.cpp
index edbc6c0ad9..7f4ed0d36e 100644
--- a/interface/src/ModelUploader.cpp
+++ b/interface/src/ModelUploader.cpp
@@ -22,9 +22,9 @@
 
 #include <AccountManager.h>
 
-#include "Application.h"
-#include "renderer/FBXReader.h"
+#include <FBXReader.h>
 
+#include "Application.h"
 #include "ModelUploader.h"
 
 
@@ -306,14 +306,14 @@ bool ModelUploader::addTextures(const QString& texdir, const QString fbxFile) {
     
     foreach (FBXMesh mesh, geometry.meshes) {
         foreach (FBXMeshPart part, mesh.parts) {
-            if (!part.diffuseFilename.isEmpty()) {
-                if (!addPart(texdir + "/" + part.diffuseFilename,
+            if (!part.diffuseTexture.filename.isEmpty()) {
+                if (!addPart(texdir + "/" + part.diffuseTexture.filename,
                              QString("texture%1").arg(++_texturesCount))) {
                     return false;
                 }
             }
-            if (!part.normalFilename.isEmpty()) {
-                if (!addPart(texdir + "/" + part.normalFilename,
+            if (!part.normalTexture.filename.isEmpty()) {
+                if (!addPart(texdir + "/" + part.normalTexture.filename,
                              QString("texture%1").arg(++_texturesCount))) {
                     return false;
                 }
diff --git a/interface/src/Util.cpp b/interface/src/Util.cpp
index cecc363daa..1dae3a4fd6 100644
--- a/interface/src/Util.cpp
+++ b/interface/src/Util.cpp
@@ -78,112 +78,6 @@ float angle_to(glm::vec3 head_pos, glm::vec3 source_pos, float render_yaw, float
     return atan2(head_pos.x - source_pos.x, head_pos.z - source_pos.z) + render_yaw + head_yaw;
 }
 
-//  Helper function returns the positive angle (in radians) between two 3D vectors
-float angleBetween(const glm::vec3& v1, const glm::vec3& v2) {
-    return acosf((glm::dot(v1, v2)) / (glm::length(v1) * glm::length(v2)));
-}
-
-//  Helper function return the rotation from the first vector onto the second
-glm::quat rotationBetween(const glm::vec3& v1, const glm::vec3& v2) {
-    float angle = angleBetween(v1, v2);
-    if (glm::isnan(angle) || angle < EPSILON) {
-        return glm::quat();
-    }
-    glm::vec3 axis;
-    if (angle > 179.99f * RADIANS_PER_DEGREE) { // 180 degree rotation; must use another axis
-        axis = glm::cross(v1, glm::vec3(1.0f, 0.0f, 0.0f));
-        float axisLength = glm::length(axis);
-        if (axisLength < EPSILON) { // parallel to x; y will work
-            axis = glm::normalize(glm::cross(v1, glm::vec3(0.0f, 1.0f, 0.0f)));
-        } else {
-            axis /= axisLength;
-        }
-    } else {
-        axis = glm::normalize(glm::cross(v1, v2));
-    }
-    return glm::angleAxis(angle, axis);
-}
-
-
-
-glm::vec3 extractTranslation(const glm::mat4& matrix) {
-    return glm::vec3(matrix[3][0], matrix[3][1], matrix[3][2]);
-}
-
-void setTranslation(glm::mat4& matrix, const glm::vec3& translation) {
-    matrix[3][0] = translation.x;
-    matrix[3][1] = translation.y;
-    matrix[3][2] = translation.z;
-}
-
-glm::quat extractRotation(const glm::mat4& matrix, bool assumeOrthogonal) {
-    // uses the iterative polar decomposition algorithm described by Ken Shoemake at
-    // http://www.cs.wisc.edu/graphics/Courses/838-s2002/Papers/polar-decomp.pdf
-    // code adapted from Clyde, https://github.com/threerings/clyde/blob/master/src/main/java/com/threerings/math/Matrix4f.java
-
-    // start with the contents of the upper 3x3 portion of the matrix
-    glm::mat3 upper = glm::mat3(matrix);
-    if (!assumeOrthogonal) {
-        for (int i = 0; i < 10; i++) {
-            // store the results of the previous iteration
-            glm::mat3 previous = upper;
-
-            // compute average of the matrix with its inverse transpose
-            float sd00 = previous[1][1] * previous[2][2] - previous[2][1] * previous[1][2];
-            float sd10 = previous[0][1] * previous[2][2] - previous[2][1] * previous[0][2];
-            float sd20 = previous[0][1] * previous[1][2] - previous[1][1] * previous[0][2];
-            float det = previous[0][0] * sd00 + previous[2][0] * sd20 - previous[1][0] * sd10;
-            if (fabs(det) == 0.0f) {
-                // determinant is zero; matrix is not invertible
-                break;
-            }
-            float hrdet = 0.5f / det;
-            upper[0][0] = +sd00 * hrdet + previous[0][0] * 0.5f;
-            upper[1][0] = -sd10 * hrdet + previous[1][0] * 0.5f;
-            upper[2][0] = +sd20 * hrdet + previous[2][0] * 0.5f;
-
-            upper[0][1] = -(previous[1][0] * previous[2][2] - previous[2][0] * previous[1][2]) * hrdet + previous[0][1] * 0.5f;
-            upper[1][1] = +(previous[0][0] * previous[2][2] - previous[2][0] * previous[0][2]) * hrdet + previous[1][1] * 0.5f;
-            upper[2][1] = -(previous[0][0] * previous[1][2] - previous[1][0] * previous[0][2]) * hrdet + previous[2][1] * 0.5f;
-
-            upper[0][2] = +(previous[1][0] * previous[2][1] - previous[2][0] * previous[1][1]) * hrdet + previous[0][2] * 0.5f;
-            upper[1][2] = -(previous[0][0] * previous[2][1] - previous[2][0] * previous[0][1]) * hrdet + previous[1][2] * 0.5f;
-            upper[2][2] = +(previous[0][0] * previous[1][1] - previous[1][0] * previous[0][1]) * hrdet + previous[2][2] * 0.5f;
-
-            // compute the difference; if it's small enough, we're done
-            glm::mat3 diff = upper - previous;
-            if (diff[0][0] * diff[0][0] + diff[1][0] * diff[1][0] + diff[2][0] * diff[2][0] + diff[0][1] * diff[0][1] +
-                    diff[1][1] * diff[1][1] + diff[2][1] * diff[2][1] + diff[0][2] * diff[0][2] + diff[1][2] * diff[1][2] +
-                    diff[2][2] * diff[2][2] < EPSILON) {
-                break;
-            }
-        }
-    }
-
-    // now that we have a nice orthogonal matrix, we can extract the rotation quaternion
-    // using the method described in http://en.wikipedia.org/wiki/Rotation_matrix#Conversions
-    float x2 = fabs(1.0f + upper[0][0] - upper[1][1] - upper[2][2]);
-    float y2 = fabs(1.0f - upper[0][0] + upper[1][1] - upper[2][2]);
-    float z2 = fabs(1.0f - upper[0][0] - upper[1][1] + upper[2][2]);
-    float w2 = fabs(1.0f + upper[0][0] + upper[1][1] + upper[2][2]);
-    return glm::normalize(glm::quat(0.5f * sqrtf(w2),
-        0.5f * sqrtf(x2) * (upper[1][2] >= upper[2][1] ? 1.0f : -1.0f),
-        0.5f * sqrtf(y2) * (upper[2][0] >= upper[0][2] ? 1.0f : -1.0f),
-        0.5f * sqrtf(z2) * (upper[0][1] >= upper[1][0] ? 1.0f : -1.0f)));
-}
-
-glm::vec3 extractScale(const glm::mat4& matrix) {
-    return glm::vec3(glm::length(matrix[0]), glm::length(matrix[1]), glm::length(matrix[2]));
-}
-
-float extractUniformScale(const glm::mat4& matrix) {
-    return extractUniformScale(extractScale(matrix));
-}
-
-float extractUniformScale(const glm::vec3& scale) {
-    return (scale.x + scale.y + scale.z) / 3.0f;
-}
-
 //  Draw a 3D vector floating in space
 void drawVector(glm::vec3 * vector) {
     glDisable(GL_LIGHTING);
@@ -629,4 +523,4 @@ bool pointInSphere(glm::vec3& point, glm::vec3& sphereCenter, double sphereRadiu
         return true;
     }
     return false;
-}
\ No newline at end of file
+}
diff --git a/interface/src/Util.h b/interface/src/Util.h
index ac680645a9..4bd1ed604c 100644
--- a/interface/src/Util.h
+++ b/interface/src/Util.h
@@ -44,22 +44,6 @@ void drawVector(glm::vec3* vector);
 
 void printVector(glm::vec3 vec);
 
-float angleBetween(const glm::vec3& v1, const glm::vec3& v2); 
-
-glm::quat rotationBetween(const glm::vec3& v1, const glm::vec3& v2);
-
-glm::vec3 extractTranslation(const glm::mat4& matrix);
-
-void setTranslation(glm::mat4& matrix, const glm::vec3& translation);
-
-glm::quat extractRotation(const glm::mat4& matrix, bool assumeOrthogonal = false);
-
-glm::vec3 extractScale(const glm::mat4& matrix);
-
-float extractUniformScale(const glm::mat4& matrix);
-
-float extractUniformScale(const glm::vec3& scale);
-
 double diffclock(timeval *clock1,timeval *clock2);
 
 void renderCollisionOverlay(int width, int height, float magnitude, float red = 0, float blue = 0, float green = 0);
diff --git a/interface/src/avatar/Avatar.cpp b/interface/src/avatar/Avatar.cpp
index e9d804d227..8cfab7da03 100644
--- a/interface/src/avatar/Avatar.cpp
+++ b/interface/src/avatar/Avatar.cpp
@@ -56,7 +56,6 @@ Avatar::Avatar() :
     _mouseRayOrigin(0.0f, 0.0f, 0.0f),
     _mouseRayDirection(0.0f, 0.0f, 0.0f),
     _moving(false),
-    _owningAvatarMixer(),
     _collisionFlags(0),
     _initialized(false),
     _shouldRenderBillboard(true)
@@ -685,6 +684,11 @@ void Avatar::setBillboard(const QByteArray& billboard) {
 }
 
 int Avatar::parseDataAtOffset(const QByteArray& packet, int offset) {
+    if (!_initialized) {
+        // now that we have data for this Avatar we are go for init
+        init();
+    }
+    
     // change in position implies movement
     glm::vec3 oldPosition = _position;
     
diff --git a/interface/src/avatar/Avatar.h b/interface/src/avatar/Avatar.h
index 4d68f2168b..ecf1be4899 100755
--- a/interface/src/avatar/Avatar.h
+++ b/interface/src/avatar/Avatar.h
@@ -99,9 +99,6 @@ public:
 
     /// Returns the distance to use as a LOD parameter.
     float getLODDistance() const;
-    
-    Node* getOwningAvatarMixer() { return _owningAvatarMixer.data(); }
-    void setOwningAvatarMixer(const QWeakPointer<Node>& owningAvatarMixer) { _owningAvatarMixer = owningAvatarMixer; }
 
     bool findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance) const;
 
@@ -177,7 +174,6 @@ protected:
     glm::vec3 _mouseRayDirection;
     float _stringLength;
     bool _moving; ///< set when position is changing
-    QWeakPointer<Node> _owningAvatarMixer;
 
     uint32_t _collisionFlags;
 
diff --git a/interface/src/avatar/AvatarManager.cpp b/interface/src/avatar/AvatarManager.cpp
index 5798f33d0f..59f31388f8 100644
--- a/interface/src/avatar/AvatarManager.cpp
+++ b/interface/src/avatar/AvatarManager.cpp
@@ -51,14 +51,16 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
     // simulate avatars
     AvatarHash::iterator avatarIterator = _avatarHash.begin();
     while (avatarIterator != _avatarHash.end()) {
-        Avatar* avatar = static_cast<Avatar*>(avatarIterator.value().data());
-        if (avatar == static_cast<Avatar*>(_myAvatar.data()) || !avatar->isInitialized()) {
+        AvatarSharedPointer sharedAvatar = avatarIterator.value();
+        Avatar* avatar = reinterpret_cast<Avatar*>(sharedAvatar.data());
+        
+        if (sharedAvatar == _myAvatar || !avatar->isInitialized()) {
             // DO NOT update _myAvatar!  Its update has already been done earlier in the main loop.
             // DO NOT update uninitialized Avatars
             ++avatarIterator;
             continue;
         }
-        if (avatar->getOwningAvatarMixer()) {
+        if (!shouldKillAvatar(sharedAvatar)) {
             // this avatar's mixer is still around, go ahead and simulate it
             avatar->simulate(deltaTime);
             avatar->setMouseRay(mouseOrigin, mouseDirection);
@@ -127,127 +129,12 @@ void AvatarManager::renderAvatarFades(const glm::vec3& cameraPosition, Avatar::R
     }
 }
 
-AvatarSharedPointer AvatarManager::matchingOrNewAvatar(const QUuid& sessionUUID, const QWeakPointer<Node>& mixerWeakPointer) {
-    AvatarSharedPointer matchingAvatar = _avatarHash.value(sessionUUID);
-    
-    if (!matchingAvatar) {
-        // construct a new Avatar for this node
-        Avatar* avatar =  new Avatar();
-        avatar->setOwningAvatarMixer(mixerWeakPointer);
-        
-        // insert the new avatar into our hash
-        matchingAvatar = AvatarSharedPointer(avatar);
-        _avatarHash.insert(sessionUUID, matchingAvatar);
-        
-        qDebug() << "Adding avatar with sessionUUID " << sessionUUID << "to AvatarManager hash.";
-    }
-    
-    return matchingAvatar;
-}
-
-void AvatarManager::processAvatarMixerDatagram(const QByteArray& datagram, const QWeakPointer<Node>& mixerWeakPointer) {
-    switch (packetTypeForPacket(datagram)) {
-        case PacketTypeBulkAvatarData:
-            processAvatarDataPacket(datagram, mixerWeakPointer);
-            break;
-        case PacketTypeAvatarIdentity:
-            processAvatarIdentityPacket(datagram, mixerWeakPointer);
-            break;
-        case PacketTypeAvatarBillboard:
-            processAvatarBillboardPacket(datagram, mixerWeakPointer);
-            break;
-        case PacketTypeKillAvatar:
-            processKillAvatar(datagram);
-            break;
-        default:
-            break;
-    }
-}
-
-void AvatarManager::processAvatarDataPacket(const QByteArray &datagram, const QWeakPointer<Node> &mixerWeakPointer) {
-    int bytesRead = numBytesForPacketHeader(datagram);
-    
-    // enumerate over all of the avatars in this packet
-    // only add them if mixerWeakPointer points to something (meaning that mixer is still around)
-    while (bytesRead < datagram.size() && mixerWeakPointer.data()) {
-        QUuid sessionUUID = QUuid::fromRfc4122(datagram.mid(bytesRead, NUM_BYTES_RFC4122_UUID));
-        bytesRead += NUM_BYTES_RFC4122_UUID;
-        
-        AvatarSharedPointer matchingAvatarData = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
-        
-        // have the matching (or new) avatar parse the data from the packet
-        bytesRead += matchingAvatarData->parseDataAtOffset(datagram, bytesRead);
-        
-        Avatar* matchingAvatar = reinterpret_cast<Avatar*>(matchingAvatarData.data());
-        
-        if (!matchingAvatar->isInitialized()) {
-            // now that we have AvatarData for this Avatar we are go for init
-            matchingAvatar->init();
-        }
-    }
-}
-
-void AvatarManager::processAvatarIdentityPacket(const QByteArray &packet, const QWeakPointer<Node>& mixerWeakPointer) {
-    // setup a data stream to parse the packet
-    QDataStream identityStream(packet);
-    identityStream.skipRawData(numBytesForPacketHeader(packet));
-    
-    QUuid sessionUUID;
-    
-    while (!identityStream.atEnd()) {
-        
-        QUrl faceMeshURL, skeletonURL;
-        QString displayName;
-        identityStream >> sessionUUID >> faceMeshURL >> skeletonURL >> displayName;
-
-        // mesh URL for a UUID, find avatar in our list
-        AvatarSharedPointer matchingAvatar = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
-        if (matchingAvatar) {
-            Avatar* avatar = static_cast<Avatar*>(matchingAvatar.data());
-            
-            if (avatar->getFaceModelURL() != faceMeshURL) {
-                avatar->setFaceModelURL(faceMeshURL);
-            }
-            
-            if (avatar->getSkeletonModelURL() != skeletonURL) {
-                avatar->setSkeletonModelURL(skeletonURL);
-            }
-
-            if (avatar->getDisplayName() != displayName) {
-                avatar->setDisplayName(displayName);
-            }
-        }
-    }
-}
-
-void AvatarManager::processAvatarBillboardPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer) {
-    int headerSize = numBytesForPacketHeader(packet);
-    QUuid sessionUUID = QUuid::fromRfc4122(QByteArray::fromRawData(packet.constData() + headerSize, NUM_BYTES_RFC4122_UUID));
-    
-    AvatarSharedPointer matchingAvatar = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
-    if (matchingAvatar) {
-        Avatar* avatar = static_cast<Avatar*>(matchingAvatar.data());
-        QByteArray billboard = packet.mid(headerSize + NUM_BYTES_RFC4122_UUID);
-        if (avatar->getBillboard() != billboard) {
-            avatar->setBillboard(billboard);
-        }
-    }
-}
-
-void AvatarManager::processKillAvatar(const QByteArray& datagram) {
-    // read the node id
-    QUuid sessionUUID = QUuid::fromRfc4122(datagram.mid(numBytesForPacketHeader(datagram), NUM_BYTES_RFC4122_UUID));
-    
-    // remove the avatar with that UUID from our hash, if it exists
-    AvatarHash::iterator matchedAvatar = _avatarHash.find(sessionUUID);
-    if (matchedAvatar != _avatarHash.end()) {
-        erase(matchedAvatar);
-    }
+AvatarSharedPointer AvatarManager::newSharedAvatar() {
+    return AvatarSharedPointer(new Avatar());
 }
 
 AvatarHash::iterator AvatarManager::erase(const AvatarHash::iterator& iterator) {
     if (iterator.key() != MY_AVATAR_KEY) {
-        qDebug() << "Removing Avatar with UUID" << iterator.key() << "from AvatarManager hash.";
         if (reinterpret_cast<Avatar*>(iterator.value().data())->isInitialized()) {
             _avatarFades.push_back(iterator.value());
         }
diff --git a/interface/src/avatar/AvatarManager.h b/interface/src/avatar/AvatarManager.h
index 78491b3a5d..048844ddf2 100644
--- a/interface/src/avatar/AvatarManager.h
+++ b/interface/src/avatar/AvatarManager.h
@@ -22,7 +22,7 @@
 
 class MyAvatar;
 
-class AvatarManager : public QObject, public AvatarHashMap {
+class AvatarManager : public AvatarHashMap {
     Q_OBJECT
 public:
     AvatarManager(QObject* parent = 0);
@@ -35,23 +35,15 @@ public:
     void renderAvatars(Avatar::RenderMode renderMode, bool selfAvatarOnly = false);
     
     void clearOtherAvatars();
-
-public slots:
-    void processAvatarMixerDatagram(const QByteArray& datagram, const QWeakPointer<Node>& mixerWeakPointer);
     
 private:
     AvatarManager(const AvatarManager& other);
-    
-    AvatarSharedPointer matchingOrNewAvatar(const QUuid& nodeUUID, const QWeakPointer<Node>& mixerWeakPointer);
-    
-    void processAvatarDataPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
-    void processAvatarIdentityPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
-    void processAvatarBillboardPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
-    void processKillAvatar(const QByteArray& datagram);
 
     void simulateAvatarFades(float deltaTime);
     void renderAvatarFades(const glm::vec3& cameraPosition, Avatar::RenderMode renderMode);
     
+    AvatarSharedPointer newSharedAvatar();
+    
     // virtual override
     AvatarHash::iterator erase(const AvatarHash::iterator& iterator);
     
diff --git a/interface/src/devices/Faceplus.cpp b/interface/src/devices/Faceplus.cpp
index f7f2f1f1bd..f155b994e7 100644
--- a/interface/src/devices/Faceplus.cpp
+++ b/interface/src/devices/Faceplus.cpp
@@ -15,9 +15,10 @@
 #include <faceplus.h>
 #endif
 
+#include <FBXReader.h>
+
 #include "Application.h"
 #include "Faceplus.h"
-#include "renderer/FBXReader.h"
 
 static int floatVectorMetaTypeId = qRegisterMetaType<QVector<float> >();
 
diff --git a/interface/src/devices/Visage.cpp b/interface/src/devices/Visage.cpp
index e2f40e4741..a467d2d4a8 100644
--- a/interface/src/devices/Visage.cpp
+++ b/interface/src/devices/Visage.cpp
@@ -13,9 +13,10 @@
 
 #include <SharedUtil.h>
 
+#include <FBXReader.h>
+
 #include "Application.h"
 #include "Visage.h"
-#include "renderer/FBXReader.h"
 
 // this has to go after our normal includes, because its definition of HANDLE conflicts with Qt's
 #ifdef HAVE_VISAGE
diff --git a/interface/src/renderer/GeometryCache.cpp b/interface/src/renderer/GeometryCache.cpp
index 7b4eef1ac1..3a410ac5e2 100644
--- a/interface/src/renderer/GeometryCache.cpp
+++ b/interface/src/renderer/GeometryCache.cpp
@@ -543,14 +543,14 @@ void NetworkGeometry::setGeometry(const FBXGeometry& geometry) {
         int totalIndices = 0;
         foreach (const FBXMeshPart& part, mesh.parts) {
             NetworkMeshPart networkPart;
-            if (!part.diffuseFilename.isEmpty()) {
+            if (!part.diffuseTexture.filename.isEmpty()) {
                 networkPart.diffuseTexture = Application::getInstance()->getTextureCache()->getTexture(
-                    _textureBase.resolved(QUrl(part.diffuseFilename)), false, mesh.isEye);
+                    _textureBase.resolved(QUrl(part.diffuseTexture.filename)), false, mesh.isEye, part.diffuseTexture.content);
                 networkPart.diffuseTexture->setLoadPriorities(_loadPriorities);
             }
-            if (!part.normalFilename.isEmpty()) {
+            if (!part.normalTexture.filename.isEmpty()) {
                 networkPart.normalTexture = Application::getInstance()->getTextureCache()->getTexture(
-                    _textureBase.resolved(QUrl(part.normalFilename)), true);
+                    _textureBase.resolved(QUrl(part.normalTexture.filename)), true, false, part.normalTexture.content);
                 networkPart.normalTexture->setLoadPriorities(_loadPriorities);
             }
             networkMesh.parts.append(networkPart);
diff --git a/interface/src/renderer/GeometryCache.h b/interface/src/renderer/GeometryCache.h
index c2d276fb5e..0ad4f73904 100644
--- a/interface/src/renderer/GeometryCache.h
+++ b/interface/src/renderer/GeometryCache.h
@@ -20,7 +20,7 @@
 
 #include <ResourceCache.h>
 
-#include "FBXReader.h"
+#include <FBXReader.h>
 
 class Model;
 class NetworkGeometry;
diff --git a/interface/src/renderer/TextureCache.cpp b/interface/src/renderer/TextureCache.cpp
index 3f523cf4bb..f31e4f9060 100644
--- a/interface/src/renderer/TextureCache.cpp
+++ b/interface/src/renderer/TextureCache.cpp
@@ -105,13 +105,22 @@ GLuint TextureCache::getBlueTextureID() {
     return _blueTextureID;
 }
 
-QSharedPointer<NetworkTexture> TextureCache::getTexture(const QUrl& url, bool normalMap, bool dilatable) {
+/// Extra data for creating textures.
+class TextureExtra {
+public:
+    bool normalMap;
+    const QByteArray& content;
+};
+
+QSharedPointer<NetworkTexture> TextureCache::getTexture(const QUrl& url, bool normalMap,
+        bool dilatable, const QByteArray& content) {
     if (!dilatable) {
-        return ResourceCache::getResource(url, QUrl(), false, &normalMap).staticCast<NetworkTexture>();
+        TextureExtra extra = { normalMap, content };
+        return ResourceCache::getResource(url, QUrl(), false, &extra).staticCast<NetworkTexture>();
     }
     QSharedPointer<NetworkTexture> texture = _dilatableNetworkTextures.value(url);
     if (texture.isNull()) {
-        texture = QSharedPointer<NetworkTexture>(new DilatableNetworkTexture(url), &Resource::allReferencesCleared);
+        texture = QSharedPointer<NetworkTexture>(new DilatableNetworkTexture(url, content), &Resource::allReferencesCleared);
         texture->setSelf(texture);
         texture->setCache(this);
         _dilatableNetworkTextures.insert(url, texture);
@@ -215,7 +224,9 @@ bool TextureCache::eventFilter(QObject* watched, QEvent* event) {
 
 QSharedPointer<Resource> TextureCache::createResource(const QUrl& url,
         const QSharedPointer<Resource>& fallback, bool delayLoad, const void* extra) {
-    return QSharedPointer<Resource>(new NetworkTexture(url, *(const bool*)extra), &Resource::allReferencesCleared);
+    const TextureExtra* textureExtra = static_cast<const TextureExtra*>(extra);
+    return QSharedPointer<Resource>(new NetworkTexture(url, textureExtra->normalMap, textureExtra->content),
+        &Resource::allReferencesCleared);
 }
 
 QOpenGLFramebufferObject* TextureCache::createFramebufferObject() {
@@ -238,8 +249,8 @@ Texture::~Texture() {
     glDeleteTextures(1, &_id);
 }
 
-NetworkTexture::NetworkTexture(const QUrl& url, bool normalMap) :
-    Resource(url),
+NetworkTexture::NetworkTexture(const QUrl& url, bool normalMap, const QByteArray& content) :
+    Resource(url, !content.isEmpty()),
     _translucent(false) {
     
     if (!url.isValid()) {
@@ -250,12 +261,19 @@ NetworkTexture::NetworkTexture(const QUrl& url, bool normalMap) :
     glBindTexture(GL_TEXTURE_2D, getID());
     loadSingleColorTexture(normalMap ? OPAQUE_BLUE : OPAQUE_WHITE);
     glBindTexture(GL_TEXTURE_2D, 0);
+    
+    // if we have content, load it after we have our self pointer
+    if (!content.isEmpty()) {
+        _startedLoading = true;
+        QMetaObject::invokeMethod(this, "loadContent", Qt::QueuedConnection, Q_ARG(const QByteArray&, content));
+    }
 }
 
 class ImageReader : public QRunnable {
 public:
 
-    ImageReader(const QWeakPointer<Resource>& texture, QNetworkReply* reply);
+    ImageReader(const QWeakPointer<Resource>& texture, QNetworkReply* reply, const QUrl& url = QUrl(),
+        const QByteArray& content = QByteArray());
     
     virtual void run();
 
@@ -263,27 +281,37 @@ private:
     
     QWeakPointer<Resource> _texture;
     QNetworkReply* _reply;
+    QUrl _url;
+    QByteArray _content;
 };
 
-ImageReader::ImageReader(const QWeakPointer<Resource>& texture, QNetworkReply* reply) :
+ImageReader::ImageReader(const QWeakPointer<Resource>& texture, QNetworkReply* reply,
+        const QUrl& url, const QByteArray& content) :
     _texture(texture),
-    _reply(reply) {
+    _reply(reply),
+    _url(url),
+    _content(content) {
 }
 
 void ImageReader::run() {
     QSharedPointer<Resource> texture = _texture.toStrongRef();
     if (texture.isNull()) {
-        _reply->deleteLater();
+        if (_reply) {
+            _reply->deleteLater();
+        }
         return;
     }
-    QUrl url = _reply->url();
-    QImage image = QImage::fromData(_reply->readAll());
-    _reply->deleteLater();
+    if (_reply) {
+        _url = _reply->url();
+        _content = _reply->readAll();
+        _reply->deleteLater();
+    }
+    QImage image = QImage::fromData(_content);
     
     // enforce a fixed maximum
     const int MAXIMUM_SIZE = 1024;
     if (image.width() > MAXIMUM_SIZE || image.height() > MAXIMUM_SIZE) {
-        qDebug() << "Image greater than maximum size:" << url << image.width() << image.height();
+        qDebug() << "Image greater than maximum size:" << _url << image.width() << image.height();
         image = image.scaled(MAXIMUM_SIZE, MAXIMUM_SIZE, Qt::KeepAspectRatio);
     }
     
@@ -315,7 +343,7 @@ void ImageReader::run() {
     }
     int imageArea = image.width() * image.height();
     if (opaquePixels == imageArea) {
-        qDebug() << "Image with alpha channel is completely opaque:" << url;
+        qDebug() << "Image with alpha channel is completely opaque:" << _url;
         image = image.convertToFormat(QImage::Format_RGB888);
     }
     QMetaObject::invokeMethod(texture.data(), "setImage", Q_ARG(const QImage&, image),
@@ -327,6 +355,10 @@ void NetworkTexture::downloadFinished(QNetworkReply* reply) {
     QThreadPool::globalInstance()->start(new ImageReader(_self, reply));
 }
 
+void NetworkTexture::loadContent(const QByteArray& content) {
+    QThreadPool::globalInstance()->start(new ImageReader(_self, NULL, _url, content));
+}
+
 void NetworkTexture::setImage(const QImage& image, bool translucent) {
     _translucent = translucent;
     
@@ -348,8 +380,8 @@ void NetworkTexture::imageLoaded(const QImage& image) {
     // nothing by default
 }
 
-DilatableNetworkTexture::DilatableNetworkTexture(const QUrl& url) :
-    NetworkTexture(url, false),
+DilatableNetworkTexture::DilatableNetworkTexture(const QUrl& url, const QByteArray& content) :
+    NetworkTexture(url, false, content),
     _innerRadius(0),
     _outerRadius(0)
 {
diff --git a/interface/src/renderer/TextureCache.h b/interface/src/renderer/TextureCache.h
index e66044d843..f4444b6dfc 100644
--- a/interface/src/renderer/TextureCache.h
+++ b/interface/src/renderer/TextureCache.h
@@ -44,7 +44,8 @@ public:
     GLuint getBlueTextureID();
 
     /// Loads a texture from the specified URL.
-    QSharedPointer<NetworkTexture> getTexture(const QUrl& url, bool normalMap = false, bool dilatable = false);
+    QSharedPointer<NetworkTexture> getTexture(const QUrl& url, bool normalMap = false, bool dilatable = false,
+        const QByteArray& content = QByteArray());
 
     /// Returns a pointer to the primary framebuffer object.  This render target includes a depth component, and is
     /// used for scene rendering.
@@ -115,7 +116,7 @@ class NetworkTexture : public Resource, public Texture {
 
 public:
     
-    NetworkTexture(const QUrl& url, bool normalMap);
+    NetworkTexture(const QUrl& url, bool normalMap, const QByteArray& content);
 
     /// Checks whether it "looks like" this texture is translucent
     /// (majority of pixels neither fully opaque or fully transparent).
@@ -124,10 +125,12 @@ public:
 protected:
 
     virtual void downloadFinished(QNetworkReply* reply);
-    virtual void imageLoaded(const QImage& image);      
-
+          
+    Q_INVOKABLE void loadContent(const QByteArray& content);
     Q_INVOKABLE void setImage(const QImage& image, bool translucent);
 
+    virtual void imageLoaded(const QImage& image);
+
 private:
 
     bool _translucent;
@@ -139,7 +142,7 @@ class DilatableNetworkTexture : public NetworkTexture {
     
 public:
     
-    DilatableNetworkTexture(const QUrl& url);
+    DilatableNetworkTexture(const QUrl& url, const QByteArray& content);
     
     /// Returns a pointer to a texture with the requested amount of dilation.
     QSharedPointer<Texture> getDilatedTexture(float dilation);
diff --git a/interface/src/ui/Stats.cpp b/interface/src/ui/Stats.cpp
index 64616cbdf8..a2d615e04d 100644
--- a/interface/src/ui/Stats.cpp
+++ b/interface/src/ui/Stats.cpp
@@ -343,7 +343,7 @@ void Stats::display(
 
     lines = _expanded ? 12 : 3;
     if (_expanded && Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessing)) {
-        lines += 8; // spatial audio processing adds 1 spacing line and 7 extra lines of info
+        lines += 9; // spatial audio processing adds 1 spacing line and 8 extra lines of info
     }
 
     drawBackground(backgroundColor, horizontalOffset, 0, glWidget->width() - horizontalOffset, lines * STATS_PELS_PER_LINE + 10);
@@ -540,11 +540,19 @@ void Stats::display(
                 
         verticalOffset += STATS_PELS_PER_LINE;
         drawText(horizontalOffset, verticalOffset, 0.10f, 0.f, 2.f, reflectionsStatus, color);
+        
+        bool distanceAttenuationDisabled = Menu::getInstance()->isOptionChecked(
+                                                        MenuOption::AudioSpatialProcessingDontDistanceAttenuate);
 
-        sprintf(reflectionsStatus, "Attenuation: average %5.3f, max %5.3f, min %5.3f, Factor: %5.3f", 
+        bool alternateDistanceAttenuationEnabled = Menu::getInstance()->isOptionChecked(
+                                                        MenuOption::AudioSpatialProcessingAlternateDistanceAttenuate);
+
+        sprintf(reflectionsStatus, "Attenuation: average %5.3f, max %5.3f, min %5.3f, %s: %5.3f", 
                 audioReflector->getAverageAttenuation(),
                 audioReflector->getMaxAttenuation(),
                 audioReflector->getMinAttenuation(),
+                (distanceAttenuationDisabled ? "Distance Factor [DISABLED]" : 
+                    alternateDistanceAttenuationEnabled ? "Distance Factor [ALTERNATE]" : "Distance Factor [STANARD]"),
                 audioReflector->getDistanceAttenuationScalingFactor());
                 
         verticalOffset += STATS_PELS_PER_LINE;
@@ -585,6 +593,13 @@ void Stats::display(
         verticalOffset += STATS_PELS_PER_LINE;
         drawText(horizontalOffset, verticalOffset, 0.10f, 0.f, 2.f, reflectionsStatus, color);
 
+        sprintf(reflectionsStatus, "Wet/Dry Mix: Original: %5.3f Echoes: %5.3f", 
+                    audioReflector->getOriginalSourceAttenuation(), 
+                    audioReflector->getEchoesAttenuation());
+                
+        verticalOffset += STATS_PELS_PER_LINE;
+        drawText(horizontalOffset, verticalOffset, 0.10f, 0.f, 2.f, reflectionsStatus, color);
+
     }
 
 }
diff --git a/libraries/avatars/src/AvatarData.cpp b/libraries/avatars/src/AvatarData.cpp
index 2f412b5e9a..2e716296ff 100644
--- a/libraries/avatars/src/AvatarData.cpp
+++ b/libraries/avatars/src/AvatarData.cpp
@@ -51,7 +51,9 @@ AvatarData::AvatarData() :
     _displayNameTargetAlpha(0.0f), 
     _displayNameAlpha(0.0f),
     _billboard(),
-    _errorLogExpiry(0)
+    _errorLogExpiry(0),
+    _owningAvatarMixer(),
+    _lastUpdateTimer()
 {
     
 }
@@ -193,6 +195,10 @@ bool AvatarData::shouldLogError(const quint64& now) {
 
 // read data in packet starting at byte offset and return number of bytes parsed
 int AvatarData::parseDataAtOffset(const QByteArray& packet, int offset) {
+    
+    // reset the last heard timer since we have new data for this AvatarData
+    _lastUpdateTimer.restart();
+    
     // lazily allocate memory for HeadData in case we're not an Avatar instance
     if (!_headData) {
         _headData = new HeadData(this);
diff --git a/libraries/avatars/src/AvatarData.h b/libraries/avatars/src/AvatarData.h
index 0ac12649cf..d1a63c9a58 100755
--- a/libraries/avatars/src/AvatarData.h
+++ b/libraries/avatars/src/AvatarData.h
@@ -32,6 +32,7 @@ typedef unsigned long long quint64;
 #include <glm/glm.hpp>
 #include <glm/gtc/quaternion.hpp>
 
+#include <QtCore/QElapsedTimer>
 #include <QtCore/QByteArray>
 #include <QtCore/QHash>
 #include <QtCore/QObject>
@@ -44,6 +45,7 @@ typedef unsigned long long quint64;
 
 #include <CollisionInfo.h>
 #include <RegisteredMetaTypes.h>
+#include <Node.h>
 
 #include "HeadData.h"
 #include "HandData.h"
@@ -99,6 +101,8 @@ class AvatarData : public QObject {
     Q_PROPERTY(QString skeletonModelURL READ getSkeletonModelURLFromScript WRITE setSkeletonModelURLFromScript)
     Q_PROPERTY(QString billboardURL READ getBillboardURL WRITE setBillboardFromURL)
 
+    Q_PROPERTY(QStringList jointNames READ getJointNames)
+
     Q_PROPERTY(QUuid sessionUUID READ getSessionUUID);
 public:
     AvatarData();
@@ -218,6 +222,11 @@ public:
     QString getSkeletonModelURLFromScript() const { return _skeletonModelURL.toString(); }
     void setSkeletonModelURLFromScript(const QString& skeletonModelString) { setSkeletonModelURL(QUrl(skeletonModelString)); }
     
+    Node* getOwningAvatarMixer() { return _owningAvatarMixer.data(); }
+    void setOwningAvatarMixer(const QWeakPointer<Node>& owningAvatarMixer) { _owningAvatarMixer = owningAvatarMixer; }
+    
+    QElapsedTimer& getLastUpdateTimer() { return _lastUpdateTimer; }
+     
     virtual float getBoundingRadius() const { return 1.f; }
     
     static void setNetworkAccessManager(QNetworkAccessManager* sharedAccessManager) { networkAccessManager = sharedAccessManager; }
@@ -276,7 +285,10 @@ protected:
     static QNetworkAccessManager* networkAccessManager;
 
     quint64 _errorLogExpiry; ///< time in future when to log an error
-
+    
+    QWeakPointer<Node> _owningAvatarMixer;
+    QElapsedTimer _lastUpdateTimer;
+    
     /// Loads the joint indices, names from the FST file (if any)
     virtual void updateJointMappings();
 
diff --git a/libraries/avatars/src/AvatarHashMap.cpp b/libraries/avatars/src/AvatarHashMap.cpp
index 1c2cd4bf92..6b17a3fab8 100644
--- a/libraries/avatars/src/AvatarHashMap.cpp
+++ b/libraries/avatars/src/AvatarHashMap.cpp
@@ -9,11 +9,14 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
+#include <PacketHeaders.h>
+
 #include "AvatarHashMap.h"
 
 AvatarHashMap::AvatarHashMap() :
     _avatarHash()
 {
+    
 }
 
 void AvatarHashMap::insert(const QUuid& id, AvatarSharedPointer avatar) {
@@ -22,6 +25,150 @@ void AvatarHashMap::insert(const QUuid& id, AvatarSharedPointer avatar) {
 }
 
 AvatarHash::iterator AvatarHashMap::erase(const AvatarHash::iterator& iterator) {
+    qDebug() << "Removing Avatar with UUID" << iterator.key() << "from AvatarHashMap.";
     return _avatarHash.erase(iterator);
 }
 
+const qint64 AVATAR_SILENCE_THRESHOLD_MSECS = 5 * 1000;
+
+bool AvatarHashMap::shouldKillAvatar(const AvatarSharedPointer& sharedAvatar) {
+    return (sharedAvatar->getOwningAvatarMixer() == NULL
+            || sharedAvatar->getLastUpdateTimer().elapsed() > AVATAR_SILENCE_THRESHOLD_MSECS);
+}
+
+void AvatarHashMap::processAvatarMixerDatagram(const QByteArray& datagram, const QWeakPointer<Node>& mixerWeakPointer) {
+    switch (packetTypeForPacket(datagram)) {
+        case PacketTypeBulkAvatarData:
+            processAvatarDataPacket(datagram, mixerWeakPointer);
+            break;
+        case PacketTypeAvatarIdentity:
+            processAvatarIdentityPacket(datagram, mixerWeakPointer);
+            break;
+        case PacketTypeAvatarBillboard:
+            processAvatarBillboardPacket(datagram, mixerWeakPointer);
+            break;
+        case PacketTypeKillAvatar:
+            processKillAvatar(datagram);
+            break;
+        default:
+            break;
+    }
+}
+
+bool AvatarHashMap::containsAvatarWithDisplayName(const QString& displayName) {
+    
+    AvatarHash::iterator avatarIterator = _avatarHash.begin();
+    while (avatarIterator != _avatarHash.end()) {
+        AvatarSharedPointer sharedAvatar = avatarIterator.value();
+        if (avatarIterator.value()->getDisplayName() == displayName) {
+            // this is a match
+            // check if this avatar should still be around
+            if (!shouldKillAvatar(sharedAvatar)) {
+                // we have a match, return true
+                return true;
+            } else {
+                // we should remove this avatar, do that now
+                erase(avatarIterator);
+            }
+            
+            break;
+        } else {
+            ++avatarIterator;
+        }
+    }
+    
+    // return false, no match
+    return false;
+}
+
+AvatarSharedPointer AvatarHashMap::newSharedAvatar() {
+    return AvatarSharedPointer(new AvatarData());
+}
+
+AvatarSharedPointer AvatarHashMap::matchingOrNewAvatar(const QUuid& sessionUUID, const QWeakPointer<Node>& mixerWeakPointer) {
+    AvatarSharedPointer matchingAvatar = _avatarHash.value(sessionUUID);
+    
+    if (!matchingAvatar) {
+        // insert the new avatar into our hash
+        matchingAvatar = newSharedAvatar();
+    
+        qDebug() << "Adding avatar with sessionUUID " << sessionUUID << "to AvatarHashMap.";
+        _avatarHash.insert(sessionUUID, matchingAvatar);
+        
+        matchingAvatar->setOwningAvatarMixer(mixerWeakPointer);
+    }
+    
+    return matchingAvatar;
+}
+
+void AvatarHashMap::processAvatarDataPacket(const QByteArray &datagram, const QWeakPointer<Node> &mixerWeakPointer) {
+    int bytesRead = numBytesForPacketHeader(datagram);
+    
+    // enumerate over all of the avatars in this packet
+    // only add them if mixerWeakPointer points to something (meaning that mixer is still around)
+    while (bytesRead < datagram.size() && mixerWeakPointer.data()) {
+        QUuid sessionUUID = QUuid::fromRfc4122(datagram.mid(bytesRead, NUM_BYTES_RFC4122_UUID));
+        bytesRead += NUM_BYTES_RFC4122_UUID;
+        
+        AvatarSharedPointer matchingAvatarData = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
+        
+        // have the matching (or new) avatar parse the data from the packet
+        bytesRead += matchingAvatarData->parseDataAtOffset(datagram, bytesRead);
+    }
+}
+
+void AvatarHashMap::processAvatarIdentityPacket(const QByteArray &packet, const QWeakPointer<Node>& mixerWeakPointer) {
+    // setup a data stream to parse the packet
+    QDataStream identityStream(packet);
+    identityStream.skipRawData(numBytesForPacketHeader(packet));
+    
+    QUuid sessionUUID;
+    
+    while (!identityStream.atEnd()) {
+        
+        QUrl faceMeshURL, skeletonURL;
+        QString displayName;
+        identityStream >> sessionUUID >> faceMeshURL >> skeletonURL >> displayName;
+        
+        // mesh URL for a UUID, find avatar in our list
+        AvatarSharedPointer matchingAvatar = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
+        if (matchingAvatar) {
+            
+            if (matchingAvatar->getFaceModelURL() != faceMeshURL) {
+                matchingAvatar->setFaceModelURL(faceMeshURL);
+            }
+            
+            if (matchingAvatar->getSkeletonModelURL() != skeletonURL) {
+                matchingAvatar->setSkeletonModelURL(skeletonURL);
+            }
+            
+            if (matchingAvatar->getDisplayName() != displayName) {
+                matchingAvatar->setDisplayName(displayName);
+            }
+        }
+    }
+}
+
+void AvatarHashMap::processAvatarBillboardPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer) {
+    int headerSize = numBytesForPacketHeader(packet);
+    QUuid sessionUUID = QUuid::fromRfc4122(QByteArray::fromRawData(packet.constData() + headerSize, NUM_BYTES_RFC4122_UUID));
+    
+    AvatarSharedPointer matchingAvatar = matchingOrNewAvatar(sessionUUID, mixerWeakPointer);
+    if (matchingAvatar) {
+        QByteArray billboard = packet.mid(headerSize + NUM_BYTES_RFC4122_UUID);
+        if (matchingAvatar->getBillboard() != billboard) {
+            matchingAvatar->setBillboard(billboard);
+        }
+    }
+}
+
+void AvatarHashMap::processKillAvatar(const QByteArray& datagram) {
+    // read the node id
+    QUuid sessionUUID = QUuid::fromRfc4122(datagram.mid(numBytesForPacketHeader(datagram), NUM_BYTES_RFC4122_UUID));
+    
+    // remove the avatar with that UUID from our hash, if it exists
+    AvatarHash::iterator matchedAvatar = _avatarHash.find(sessionUUID);
+    if (matchedAvatar != _avatarHash.end()) {
+        erase(matchedAvatar);
+    }
+}
\ No newline at end of file
diff --git a/libraries/avatars/src/AvatarHashMap.h b/libraries/avatars/src/AvatarHashMap.h
index aee9cd09f1..542a2d62ab 100644
--- a/libraries/avatars/src/AvatarHashMap.h
+++ b/libraries/avatars/src/AvatarHashMap.h
@@ -16,12 +16,15 @@
 #include <QtCore/QSharedPointer>
 #include <QtCore/QUuid>
 
+#include <Node.h>
+
 #include "AvatarData.h"
 
 typedef QSharedPointer<AvatarData> AvatarSharedPointer;
 typedef QHash<QUuid, AvatarSharedPointer> AvatarHash;
 
-class AvatarHashMap {
+class AvatarHashMap : public QObject {
+    Q_OBJECT
 public:
     AvatarHashMap();
     
@@ -29,9 +32,23 @@ public:
     int size() const { return _avatarHash.size(); }
 
     virtual void insert(const QUuid& id, AvatarSharedPointer avatar);
+    
+public slots:
+    void processAvatarMixerDatagram(const QByteArray& datagram, const QWeakPointer<Node>& mixerWeakPointer);
+    bool containsAvatarWithDisplayName(const QString& displayName);
 
 protected:
     virtual AvatarHash::iterator erase(const AvatarHash::iterator& iterator);
+    
+    bool shouldKillAvatar(const AvatarSharedPointer& sharedAvatar);
+    
+    virtual AvatarSharedPointer newSharedAvatar();
+    AvatarSharedPointer matchingOrNewAvatar(const QUuid& nodeUUID, const QWeakPointer<Node>& mixerWeakPointer);
+    
+    void processAvatarDataPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
+    void processAvatarIdentityPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
+    void processAvatarBillboardPacket(const QByteArray& packet, const QWeakPointer<Node>& mixerWeakPointer);
+    void processKillAvatar(const QByteArray& datagram);
 
     AvatarHash _avatarHash;
 };
diff --git a/libraries/fbx/CMakeLists.txt b/libraries/fbx/CMakeLists.txt
new file mode 100644
index 0000000000..10dd3f49f5
--- /dev/null
+++ b/libraries/fbx/CMakeLists.txt
@@ -0,0 +1,38 @@
+cmake_minimum_required(VERSION 2.8)
+
+if (WIN32)
+  cmake_policy (SET CMP0020 NEW)
+endif (WIN32)
+
+set(ROOT_DIR ../..)
+set(MACRO_DIR "${ROOT_DIR}/cmake/macros")
+
+# setup for find modules
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/modules/")
+
+set(TARGET_NAME fbx)
+
+include(${MACRO_DIR}/SetupHifiLibrary.cmake)
+setup_hifi_library(${TARGET_NAME})
+
+include(${MACRO_DIR}/IncludeGLM.cmake)
+include_glm(${TARGET_NAME} "${ROOT_DIR}")
+
+include(${MACRO_DIR}/LinkHifiLibrary.cmake)
+link_hifi_library(shared ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(networking ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(octree ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(voxels ${TARGET_NAME} "${ROOT_DIR}")
+
+# link ZLIB and GnuTLS
+find_package(ZLIB)
+find_package(GnuTLS REQUIRED)
+
+# add a definition for ssize_t so that windows doesn't bail on gnutls.h
+if (WIN32)
+  add_definitions(-Dssize_t=long)
+endif ()
+
+
+include_directories(SYSTEM "${ZLIB_INCLUDE_DIRS}" "${GNUTLS_INCLUDE_DIR}")
+target_link_libraries(${TARGET_NAME} "${ZLIB_LIBRARIES}" Qt5::Widgets "${GNUTLS_LIBRARY}")
diff --git a/interface/src/renderer/FBXReader.cpp b/libraries/fbx/src/FBXReader.cpp
similarity index 92%
rename from interface/src/renderer/FBXReader.cpp
rename to libraries/fbx/src/FBXReader.cpp
index ff3fa8667f..7692d81eb9 100644
--- a/interface/src/renderer/FBXReader.cpp
+++ b/libraries/fbx/src/FBXReader.cpp
@@ -22,14 +22,14 @@
 #include <glm/gtx/quaternion.hpp>
 #include <glm/gtx/transform.hpp>
 
-#include <OctalCode.h>
-
 #include <GeometryUtil.h>
+#include <OctalCode.h>
 #include <Shape.h>
+#include <SharedUtil.h>
+
 #include <VoxelTree.h>
 
 #include "FBXReader.h"
-#include "Util.h"
 
 using namespace std;
 
@@ -72,6 +72,8 @@ bool FBXGeometry::hasBlendedMeshes() const {
 }
 
 static int fbxGeometryMetaTypeId = qRegisterMetaType<FBXGeometry>();
+static int fbxAnimationFrameMetaTypeId = qRegisterMetaType<FBXAnimationFrame>();
+static int fbxAnimationFrameVectorMetaTypeId = qRegisterMetaType<QVector<FBXAnimationFrame> >();
 
 template<class T> QVariant readBinaryArray(QDataStream& in) {
     quint32 arrayLength;
@@ -444,6 +446,34 @@ QVector<int> getIntVector(const QVariantList& properties, int index) {
     return vector;
 }
 
+QVector<qlonglong> getLongVector(const QVariantList& properties, int index) {
+    if (index >= properties.size()) {
+        return QVector<qlonglong>();
+    }
+    QVector<qlonglong> vector = properties.at(index).value<QVector<qlonglong> >();
+    if (!vector.isEmpty()) {
+        return vector;
+    }
+    for (; index < properties.size(); index++) {
+        vector.append(properties.at(index).toLongLong());
+    }
+    return vector;
+}
+
+QVector<float> getFloatVector(const QVariantList& properties, int index) {
+    if (index >= properties.size()) {
+        return QVector<float>();
+    }
+    QVector<float> vector = properties.at(index).value<QVector<float> >();
+    if (!vector.isEmpty()) {
+        return vector;
+    }
+    for (; index < properties.size(); index++) {
+        vector.append(properties.at(index).toFloat());
+    }
+    return vector;
+}
+
 QVector<double> getDoubleVector(const QVariantList& properties, int index) {
     if (index >= properties.size()) {
         return QVector<double>();
@@ -478,8 +508,7 @@ glm::vec3 parseVec3(const QString& string) {
 
 QString processID(const QString& id) {
     // Blender (at least) prepends a type to the ID, so strip it out
-    int index = id.indexOf("::");
-    return (index == -1) ? id : id.mid(index + 2);
+    return id.mid(id.lastIndexOf(':') + 1);
 }
 
 QString getID(const QVariantList& properties, int index = 0) {
@@ -901,6 +930,19 @@ public:
     float averageRadius;        // average distance from mesh points to averageVertex
 };
 
+class AnimationCurve {
+public:
+    QVector<float> values;
+};
+
+FBXTexture getTexture(const QString& textureID, const QHash<QString, QByteArray>& textureFilenames,
+        const QHash<QByteArray, QByteArray>& textureContent) {
+    FBXTexture texture;
+    texture.filename = textureFilenames.value(textureID);
+    texture.content = textureContent.value(texture.filename);
+    return texture;
+}
+
 FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping) {
     QHash<QString, ExtractedMesh> meshes;
     QVector<ExtractedBlendshape> blendshapes;
@@ -908,10 +950,16 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
     QMultiHash<QString, QString> childMap;
     QHash<QString, FBXModel> models;
     QHash<QString, Cluster> clusters;
+    QHash<QString, AnimationCurve> animationCurves;
     QHash<QString, QByteArray> textureFilenames;
+    QHash<QByteArray, QByteArray> textureContent;
     QHash<QString, Material> materials;
     QHash<QString, QString> diffuseTextures;
     QHash<QString, QString> bumpTextures;
+    QHash<QString, QString> localRotations;
+    QHash<QString, QString> xComponents;
+    QHash<QString, QString> yComponents;
+    QHash<QString, QString> zComponents;
 
     QVariantHash joints = mapping.value("joint").toHash();
     QString jointEyeLeftName = processID(getString(joints.value("jointEyeLeft", "jointEyeLeft")));
@@ -974,7 +1022,7 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                     QString name;
                     if (object.properties.size() == 3) {
                         name = object.properties.at(1).toString();
-                        name = name.left(name.indexOf(QChar('\0')));
+                        name = processID(name.left(name.indexOf(QChar('\0'))));
 
                     } else {
                         name = getID(object.properties);
@@ -1124,7 +1172,7 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                     model.postRotation = glm::quat(glm::radians(postRotation));
                     model.postTransform = glm::translate(-rotationPivot) * glm::translate(scalePivot) *
                         glm::scale(scale) * glm::translate(-scalePivot);
-                    // NOTE: anbgles from the FBX file are in degrees
+                    // NOTE: angles from the FBX file are in degrees
                     // so we convert them to radians for the FBXModel class
                     model.rotationMin = glm::radians(glm::vec3(rotationMinX ? rotationMin.x : -180.0f,
                         rotationMinY ? rotationMin.y : -180.0f, rotationMinZ ? rotationMin.z : -180.0f));
@@ -1141,6 +1189,21 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                             textureFilenames.insert(getID(object.properties), filename);
                         }
                     }
+                } else if (object.name == "Video") {
+                    QByteArray filename;
+                    QByteArray content;
+                    foreach (const FBXNode& subobject, object.children) {
+                        if (subobject.name == "RelativeFilename") {
+                            filename = subobject.properties.at(0).toByteArray();
+                            filename = filename.mid(qMax(filename.lastIndexOf('\\'), filename.lastIndexOf('/')) + 1);
+                            
+                        } else if (subobject.name == "Content" && !subobject.properties.isEmpty()) {
+                            content = subobject.properties.at(0).toByteArray();
+                        }
+                    }
+                    if (!content.isEmpty()) {
+                        textureContent.insert(filename, content);
+                    }
                 } else if (object.name == "Material") {
                     Material material = { glm::vec3(1.0f, 1.0f, 1.0f), glm::vec3(1.0f, 1.0f, 1.0f), 96.0f };
                     foreach (const FBXNode& subobject, object.children) {
@@ -1204,6 +1267,14 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                             blendshapeChannelIndices.insert(id, index);
                         }
                     }
+                } else if (object.name == "AnimationCurve") {
+                    AnimationCurve curve;
+                    foreach (const FBXNode& subobject, object.children) {
+                        if (subobject.name == "KeyValueFloat") {
+                            curve.values = getFloatVector(subobject.properties, 0);
+                        }
+                    }
+                    animationCurves.insert(getID(object.properties), curve);
                 }
             }
         } else if (child.name == "Connections") {
@@ -1214,8 +1285,20 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                         if (type.contains("diffuse")) {
                             diffuseTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
 
-                        } else if (type.contains("bump")) {
+                        } else if (type.contains("bump") || type.contains("normal")) {
                             bumpTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
+                        
+                        } else if (type == "lcl rotation") {
+                            localRotations.insert(getID(connection.properties, 2), getID(connection.properties, 1));
+                            
+                        } else if (type == "d|x") {
+                            xComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
+                        
+                        } else if (type == "d|y") {
+                            yComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
+                            
+                        } else if (type == "d|z") {
+                            zComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
                         }
                     }
                     parentMap.insert(getID(connection.properties, 1), getID(connection.properties, 2));
@@ -1239,7 +1322,8 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
     glm::quat offsetRotation = glm::quat(glm::radians(glm::vec3(mapping.value("rx").toFloat(),
             mapping.value("ry").toFloat(), mapping.value("rz").toFloat())));
     geometry.offset = glm::translate(glm::vec3(mapping.value("tx").toFloat(), mapping.value("ty").toFloat(),
-                                               mapping.value("tz").toFloat())) * glm::mat4_cast(offsetRotation) * glm::scale(glm::vec3(offsetScale, offsetScale, offsetScale));
+        mapping.value("tz").toFloat())) * glm::mat4_cast(offsetRotation) *
+            glm::scale(glm::vec3(offsetScale, offsetScale, offsetScale));
 
     // get the list of models in depth-first traversal order
     QVector<QString> modelIDs;
@@ -1277,6 +1361,17 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
         appendModelIDs(parentMap.value(topID), childMap, models, remainingModels, modelIDs);
     }
 
+    // figure the number of animation frames from the curves
+    int frameCount = 0;
+    foreach (const AnimationCurve& curve, animationCurves) {
+        frameCount = qMax(frameCount, curve.values.size());
+    }
+    for (int i = 0; i < frameCount; i++) {
+        FBXAnimationFrame frame;
+        frame.rotations.resize(modelIDs.size());
+        geometry.animationFrames.append(frame);
+    }
+    
     // convert the models to joints
     QVariantList freeJoints = mapping.values("freeJoint");
     foreach (const QString& modelID, modelIDs) {
@@ -1286,7 +1381,8 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
         joint.parentIndex = model.parentIndex;
 
         // get the indices of all ancestors starting with the first free one (if any)
-        joint.freeLineage.append(geometry.joints.size());
+        int jointIndex = geometry.joints.size();
+        joint.freeLineage.append(jointIndex);
         int lastFreeIndex = joint.isFree ? 0 : -1;
         for (int index = joint.parentIndex; index != -1; index = geometry.joints.at(index).parentIndex) {
             if (geometry.joints.at(index).isFree) {
@@ -1325,6 +1421,18 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
         joint.shapeType = Shape::UNKNOWN_SHAPE;
         geometry.joints.append(joint);
         geometry.jointIndices.insert(model.name, geometry.joints.size());
+        
+        QString rotationID = localRotations.value(modelID);
+        AnimationCurve xCurve = animationCurves.value(xComponents.value(rotationID));
+        AnimationCurve yCurve = animationCurves.value(yComponents.value(rotationID));
+        AnimationCurve zCurve = animationCurves.value(zComponents.value(rotationID));
+        glm::vec3 defaultValues = glm::degrees(safeEulerAngles(joint.rotation));
+        for (int i = 0; i < frameCount; i++) {
+            geometry.animationFrames[i].rotations[jointIndex] = glm::quat(glm::radians(glm::vec3(
+                xCurve.values.isEmpty() ? defaultValues.x : xCurve.values.at(i % xCurve.values.size()),
+                yCurve.values.isEmpty() ? defaultValues.y : yCurve.values.at(i % yCurve.values.size()),
+                zCurve.values.isEmpty() ? defaultValues.z : zCurve.values.at(i % zCurve.values.size()))));
+        }
     }
     // for each joint we allocate a JointShapeInfo in which we'll store collision shape info
     QVector<JointShapeInfo> jointShapeInfos;
@@ -1377,23 +1485,23 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
             if (materials.contains(childID)) {
                 Material material = materials.value(childID);
                 
-                QByteArray diffuseFilename;
+                FBXTexture diffuseTexture;
                 QString diffuseTextureID = diffuseTextures.value(childID);
                 if (!diffuseTextureID.isNull()) {
-                    diffuseFilename = textureFilenames.value(diffuseTextureID);
-
+                    diffuseTexture = getTexture(diffuseTextureID, textureFilenames, textureContent);
+                    
                     // FBX files generated by 3DSMax have an intermediate texture parent, apparently
                     foreach (const QString& childTextureID, childMap.values(diffuseTextureID)) {
                         if (textureFilenames.contains(childTextureID)) {
-                            diffuseFilename = textureFilenames.value(childTextureID);
+                            diffuseTexture = getTexture(diffuseTextureID, textureFilenames, textureContent);
                         }
                     }
                 }
                 
-                QByteArray normalFilename;
+                FBXTexture normalTexture;
                 QString bumpTextureID = bumpTextures.value(childID);
                 if (!bumpTextureID.isNull()) {
-                    normalFilename = textureFilenames.value(bumpTextureID);
+                    normalTexture = getTexture(bumpTextureID, textureFilenames, textureContent);
                     generateTangents = true;
                 }
                 
@@ -1403,21 +1511,21 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
                         part.diffuseColor = material.diffuse;
                         part.specularColor = material.specular;
                         part.shininess = material.shininess;
-                        if (!diffuseFilename.isNull()) {
-                            part.diffuseFilename = diffuseFilename;
+                        if (!diffuseTexture.filename.isNull()) {
+                            part.diffuseTexture = diffuseTexture;
                         }
-                        if (!normalFilename.isNull()) {
-                            part.normalFilename = normalFilename;
+                        if (!normalTexture.filename.isNull()) {
+                            part.normalTexture = normalTexture;
                         }
                     }
                 }
                 materialIndex++;
                 
             } else if (textureFilenames.contains(childID)) {
-                QByteArray filename = textureFilenames.value(childID);
+                FBXTexture texture = getTexture(childID, textureFilenames, textureContent);
                 for (int j = 0; j < extracted.partMaterialTextures.size(); j++) {
                     if (extracted.partMaterialTextures.at(j).second == textureIndex) {
-                        extracted.mesh.parts[j].diffuseFilename = filename;
+                        extracted.mesh.parts[j].diffuseTexture = texture;
                     }
                 }
                 textureIndex++;
diff --git a/interface/src/renderer/FBXReader.h b/libraries/fbx/src/FBXReader.h
similarity index 91%
rename from interface/src/renderer/FBXReader.h
rename to libraries/fbx/src/FBXReader.h
index 366ab12180..e437961385 100644
--- a/interface/src/renderer/FBXReader.h
+++ b/libraries/fbx/src/FBXReader.h
@@ -105,6 +105,14 @@ public:
     glm::mat4 inverseBindMatrix;
 };
 
+/// A texture map in an FBX document.
+class FBXTexture {
+public:
+    
+    QByteArray filename;
+    QByteArray content;
+};
+
 /// A single part of a mesh (with the same material).
 class FBXMeshPart {
 public:
@@ -116,8 +124,8 @@ public:
     glm::vec3 specularColor;
     float shininess;
     
-    QByteArray diffuseFilename;
-    QByteArray normalFilename;
+    FBXTexture diffuseTexture;
+    FBXTexture normalTexture;
 };
 
 /// A single mesh (with optional blendshapes) extracted from an FBX document.
@@ -141,6 +149,16 @@ public:
     QVector<FBXBlendshape> blendshapes;
 };
 
+/// A single animation frame extracted from an FBX document.
+class FBXAnimationFrame {
+public:
+    
+    QVector<glm::quat> rotations;
+};
+
+Q_DECLARE_METATYPE(FBXAnimationFrame)
+Q_DECLARE_METATYPE(QVector<FBXAnimationFrame>)
+
 /// An attachment to an FBX document.
 class FBXAttachment {
 public:
@@ -185,6 +203,8 @@ public:
     Extents bindExtents;
     Extents meshExtents;
     
+    QVector<FBXAnimationFrame> animationFrames;
+    
     QVector<FBXAttachment> attachments;
     
     int getJointIndex(const QString& name) const { return jointIndices.value(name) - 1; }
diff --git a/libraries/particles/CMakeLists.txt b/libraries/particles/CMakeLists.txt
index 26d2b7fc26..1cb60756a2 100644
--- a/libraries/particles/CMakeLists.txt
+++ b/libraries/particles/CMakeLists.txt
@@ -23,6 +23,7 @@ include_glm(${TARGET_NAME} "${ROOT_DIR}")
 include(${MACRO_DIR}/LinkHifiLibrary.cmake)
 link_hifi_library(shared ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(octree ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(fbx ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(networking ${TARGET_NAME} "${ROOT_DIR}")
 
 # link ZLIB and GnuTLS
@@ -35,4 +36,4 @@ if (WIN32)
 endif ()
 
 include_directories(SYSTEM "${ZLIB_INCLUDE_DIRS}" "${GNUTLS_INCLUDE_DIR}")
-target_link_libraries(${TARGET_NAME} "${ZLIB_LIBRARIES}" Qt5::Widgets "${GNUTLS_LIBRARY}")
\ No newline at end of file
+target_link_libraries(${TARGET_NAME} "${ZLIB_LIBRARIES}" Qt5::Widgets "${GNUTLS_LIBRARY}")
diff --git a/libraries/script-engine/CMakeLists.txt b/libraries/script-engine/CMakeLists.txt
index 20569e2fe0..48d13e7742 100644
--- a/libraries/script-engine/CMakeLists.txt
+++ b/libraries/script-engine/CMakeLists.txt
@@ -24,6 +24,7 @@ include(${MACRO_DIR}/LinkHifiLibrary.cmake)
 link_hifi_library(shared ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(octree ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(voxels ${TARGET_NAME} "${ROOT_DIR}")
+link_hifi_library(fbx ${TARGET_NAME} "${ROOT_DIR}")
 link_hifi_library(particles ${TARGET_NAME} "${ROOT_DIR}")
 
 # link ZLIB
@@ -36,4 +37,4 @@ if (WIN32)
 endif ()
 
 include_directories(SYSTEM "${ZLIB_INCLUDE_DIRS}" "${GNUTLS_INCLUDE_DIR}")
-target_link_libraries(${TARGET_NAME} "${ZLIB_LIBRARIES}" "${GNUTLS_LIBRARY}" Qt5::Widgets)
\ No newline at end of file
+target_link_libraries(${TARGET_NAME} "${ZLIB_LIBRARIES}" "${GNUTLS_LIBRARY}" Qt5::Widgets)
diff --git a/libraries/script-engine/src/AnimationCache.cpp b/libraries/script-engine/src/AnimationCache.cpp
new file mode 100644
index 0000000000..8e1493f075
--- /dev/null
+++ b/libraries/script-engine/src/AnimationCache.cpp
@@ -0,0 +1,102 @@
+//
+//  AnimationCache.cpp
+//  libraries/script-engine/src/
+//
+//  Created by Andrzej Kapolka on 4/14/14.
+//  Copyright (c) 2014 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include <QRunnable>
+#include <QThreadPool>
+
+#include "AnimationCache.h"
+
+static int animationPointerMetaTypeId = qRegisterMetaType<AnimationPointer>();
+
+AnimationCache::AnimationCache(QObject* parent) :
+    ResourceCache(parent) {
+}
+
+AnimationPointer AnimationCache::getAnimation(const QUrl& url) {
+    if (QThread::currentThread() != thread()) {
+        AnimationPointer result;
+        QMetaObject::invokeMethod(this, "getAnimation", Qt::BlockingQueuedConnection,
+            Q_RETURN_ARG(AnimationPointer, result), Q_ARG(const QUrl&, url));
+        return result;
+    }
+    return getResource(url).staticCast<Animation>();
+}
+
+QSharedPointer<Resource> AnimationCache::createResource(const QUrl& url, const QSharedPointer<Resource>& fallback,
+        bool delayLoad, const void* extra) {
+    return QSharedPointer<Resource>(new Animation(url), &Resource::allReferencesCleared);
+}
+
+Animation::Animation(const QUrl& url) :
+    Resource(url) {
+}
+
+class AnimationReader : public QRunnable {
+public:
+
+    AnimationReader(const QWeakPointer<Resource>& animation, QNetworkReply* reply);
+    
+    virtual void run();
+
+private:
+    
+    QWeakPointer<Resource> _animation;
+    QNetworkReply* _reply;
+};
+
+AnimationReader::AnimationReader(const QWeakPointer<Resource>& animation, QNetworkReply* reply) :
+    _animation(animation),
+    _reply(reply) {
+}
+
+void AnimationReader::run() {
+    QSharedPointer<Resource> animation = _animation.toStrongRef();
+    if (!animation.isNull()) {
+        QMetaObject::invokeMethod(animation.data(), "setGeometry",
+            Q_ARG(const FBXGeometry&, readFBX(_reply->readAll(), QVariantHash())));
+    }
+    _reply->deleteLater();
+}
+
+QStringList Animation::getJointNames() const {
+    if (QThread::currentThread() != thread()) {
+        QStringList result;
+        QMetaObject::invokeMethod(const_cast<Animation*>(this), "getJointNames", Qt::BlockingQueuedConnection,
+            Q_RETURN_ARG(QStringList, result));
+        return result;
+    }
+    QStringList names;
+    foreach (const FBXJoint& joint, _geometry.joints) {
+        names.append(joint.name);
+    }
+    return names;
+}
+
+QVector<FBXAnimationFrame> Animation::getFrames() const {
+    if (QThread::currentThread() != thread()) {
+        QVector<FBXAnimationFrame> result;
+        QMetaObject::invokeMethod(const_cast<Animation*>(this), "getFrames", Qt::BlockingQueuedConnection,
+            Q_RETURN_ARG(QVector<FBXAnimationFrame>, result));
+        return result;
+    }
+    return _geometry.animationFrames;
+}
+
+void Animation::setGeometry(const FBXGeometry& geometry) {
+    _geometry = geometry;
+    finishedLoading(true);
+}
+
+void Animation::downloadFinished(QNetworkReply* reply) {
+    // send the reader off to the thread pool
+    QThreadPool::globalInstance()->start(new AnimationReader(_self, reply));
+}
+
diff --git a/libraries/script-engine/src/AnimationCache.h b/libraries/script-engine/src/AnimationCache.h
new file mode 100644
index 0000000000..23183adf10
--- /dev/null
+++ b/libraries/script-engine/src/AnimationCache.h
@@ -0,0 +1,68 @@
+//
+//  AnimationCache.h
+//  libraries/script-engine/src/
+//
+//  Created by Andrzej Kapolka on 4/14/14.
+//  Copyright (c) 2014 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_AnimationCache_h
+#define hifi_AnimationCache_h
+
+#include <ResourceCache.h>
+
+#include <FBXReader.h>
+
+class Animation;
+
+typedef QSharedPointer<Animation> AnimationPointer;
+
+/// Scriptable interface for FBX animation loading.
+class AnimationCache : public ResourceCache {
+    Q_OBJECT
+
+public:
+
+    AnimationCache(QObject* parent = NULL);
+
+    Q_INVOKABLE AnimationPointer getAnimation(const QString& url) { return getAnimation(QUrl(url)); }
+    
+    Q_INVOKABLE AnimationPointer getAnimation(const QUrl& url);
+
+protected:
+    
+    virtual QSharedPointer<Resource> createResource(const QUrl& url,
+        const QSharedPointer<Resource>& fallback, bool delayLoad, const void* extra);
+};
+
+Q_DECLARE_METATYPE(AnimationPointer)
+
+/// An animation loaded from the network.
+class Animation : public Resource {
+    Q_OBJECT
+
+public:
+
+    Animation(const QUrl& url);
+
+    const FBXGeometry& getGeometry() const { return _geometry; }
+    
+    Q_INVOKABLE QStringList getJointNames() const;
+    
+    Q_INVOKABLE QVector<FBXAnimationFrame> getFrames() const;
+    
+protected:
+
+    Q_INVOKABLE void setGeometry(const FBXGeometry& geometry);
+    
+    virtual void downloadFinished(QNetworkReply* reply);
+
+private:
+    
+    FBXGeometry _geometry;
+};
+
+#endif // hifi_AnimationCache_h
diff --git a/libraries/script-engine/src/AnimationObject.cpp b/libraries/script-engine/src/AnimationObject.cpp
new file mode 100644
index 0000000000..ede1e82623
--- /dev/null
+++ b/libraries/script-engine/src/AnimationObject.cpp
@@ -0,0 +1,36 @@
+//
+//  AnimationObject.cpp
+//  libraries/script-engine/src/
+//
+//  Created by Andrzej Kapolka on 4/17/14.
+//  Copyright (c) 2014 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include <QScriptEngine>
+
+#include "AnimationCache.h"
+#include "AnimationObject.h"
+
+QStringList AnimationObject::getJointNames() const {
+    return qscriptvalue_cast<AnimationPointer>(thisObject())->getJointNames();
+}
+
+QVector<FBXAnimationFrame> AnimationObject::getFrames() const {
+    return qscriptvalue_cast<AnimationPointer>(thisObject())->getFrames();
+}
+
+QVector<glm::quat> AnimationFrameObject::getRotations() const {
+    return qscriptvalue_cast<FBXAnimationFrame>(thisObject()).rotations;
+}
+
+void registerAnimationTypes(QScriptEngine* engine) {
+    qScriptRegisterSequenceMetaType<QVector<FBXAnimationFrame> >(engine);
+    engine->setDefaultPrototype(qMetaTypeId<FBXAnimationFrame>(), engine->newQObject(
+        new AnimationFrameObject(), QScriptEngine::ScriptOwnership));
+    engine->setDefaultPrototype(qMetaTypeId<AnimationPointer>(), engine->newQObject(
+        new AnimationObject(), QScriptEngine::ScriptOwnership));
+}
+
diff --git a/libraries/script-engine/src/AnimationObject.h b/libraries/script-engine/src/AnimationObject.h
new file mode 100644
index 0000000000..078fc31fb3
--- /dev/null
+++ b/libraries/script-engine/src/AnimationObject.h
@@ -0,0 +1,47 @@
+//
+//  AnimationObject.h
+//  libraries/script-engine/src/
+//
+//  Created by Andrzej Kapolka on 4/17/14.
+//  Copyright (c) 2014 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_AnimationObject_h
+#define hifi_AnimationObject_h
+
+#include <QObject>
+#include <QScriptable>
+
+#include <FBXReader.h>
+
+class QScriptEngine;
+
+/// Scriptable wrapper for animation pointers.
+class AnimationObject : public QObject, protected QScriptable {
+    Q_OBJECT
+    Q_PROPERTY(QStringList jointNames READ getJointNames)
+    Q_PROPERTY(QVector<FBXAnimationFrame> frames READ getFrames)
+
+public:
+    
+    Q_INVOKABLE QStringList getJointNames() const;
+    
+    Q_INVOKABLE QVector<FBXAnimationFrame> getFrames() const;
+};
+
+/// Scriptable wrapper for animation frames.
+class AnimationFrameObject : public QObject, protected QScriptable {
+    Q_OBJECT
+    Q_PROPERTY(QVector<glm::quat> rotations READ getRotations)
+
+public:
+    
+    Q_INVOKABLE QVector<glm::quat> getRotations() const;
+};
+
+void registerAnimationTypes(QScriptEngine* engine);
+
+#endif // hifi_AnimationObject_h
diff --git a/libraries/script-engine/src/ScriptEngine.cpp b/libraries/script-engine/src/ScriptEngine.cpp
index b5291a6a2f..684c55fbb0 100644
--- a/libraries/script-engine/src/ScriptEngine.cpp
+++ b/libraries/script-engine/src/ScriptEngine.cpp
@@ -28,6 +28,7 @@
 
 #include <Sound.h>
 
+#include "AnimationObject.h"
 #include "MenuItemProperties.h"
 #include "LocalVoxels.h"
 #include "ScriptEngine.h"
@@ -64,7 +65,8 @@ ScriptEngine::ScriptEngine(const QString& scriptContents, const QString& fileNam
     _fileNameString(fileNameString),
     _quatLibrary(),
     _vec3Library(),
-    _uuidLibrary()
+    _uuidLibrary(),
+    _animationCache(this)
 {
 }
 
@@ -88,7 +90,8 @@ ScriptEngine::ScriptEngine(const QUrl& scriptURL,
     _fileNameString(),
     _quatLibrary(),
     _vec3Library(),
-    _uuidLibrary()
+    _uuidLibrary(),
+    _animationCache(this)
 {
     QString scriptURLString = scriptURL.toString();
     _fileNameString = scriptURLString;
@@ -153,6 +156,14 @@ void ScriptEngine::setAvatarData(AvatarData* avatarData, const QString& objectNa
     registerGlobalObject(objectName, _avatarData);
 }
 
+void ScriptEngine::setAvatarHashMap(AvatarHashMap* avatarHashMap, const QString& objectName) {
+    // remove the old Avatar property, if it exists
+    _engine.globalObject().setProperty(objectName, QScriptValue());
+    
+    // give the script engine the new avatar hash map
+    registerGlobalObject(objectName, avatarHashMap);
+}
+
 bool ScriptEngine::setScriptContents(const QString& scriptContents, const QString& fileNameString) {
     if (_isRunning) {
         return false;
@@ -180,11 +191,13 @@ void ScriptEngine::init() {
     registerVoxelMetaTypes(&_engine);
     registerEventTypes(&_engine);
     registerMenuItemProperties(&_engine);
+    registerAnimationTypes(&_engine);
 
     qScriptRegisterMetaType(&_engine, ParticlePropertiesToScriptValue, ParticlePropertiesFromScriptValue);
     qScriptRegisterMetaType(&_engine, ParticleIDtoScriptValue, ParticleIDfromScriptValue);
     qScriptRegisterSequenceMetaType<QVector<ParticleID> >(&_engine);
     qScriptRegisterSequenceMetaType<QVector<glm::vec2> >(&_engine);
+    qScriptRegisterSequenceMetaType<QVector<glm::quat> >(&_engine);
     qScriptRegisterSequenceMetaType<QVector<QString> >(&_engine);
 
     QScriptValue soundConstructorValue = _engine.newFunction(soundConstructor);
@@ -204,7 +217,8 @@ void ScriptEngine::init() {
     registerGlobalObject("Quat", &_quatLibrary);
     registerGlobalObject("Vec3", &_vec3Library);
     registerGlobalObject("Uuid", &_uuidLibrary);
-
+    registerGlobalObject("AnimationCache", &_animationCache);
+    
     registerGlobalObject("Voxels", &_voxelsScriptingInterface);
 
     QScriptValue treeScaleValue = _engine.newVariant(QVariant(TREE_SCALE));
diff --git a/libraries/script-engine/src/ScriptEngine.h b/libraries/script-engine/src/ScriptEngine.h
index 9719c83107..941c6bbe27 100644
--- a/libraries/script-engine/src/ScriptEngine.h
+++ b/libraries/script-engine/src/ScriptEngine.h
@@ -22,7 +22,9 @@
 #include <VoxelsScriptingInterface.h>
 
 #include <AvatarData.h>
+#include <AvatarHashMap.h>
 
+#include "AnimationCache.h"
 #include "AbstractControllerScriptingInterface.h"
 #include "Quat.h"
 #include "ScriptUUID.h"
@@ -62,6 +64,7 @@ public:
     bool isAvatar() const { return _isAvatar; }
 
     void setAvatarData(AvatarData* avatarData, const QString& objectName);
+    void setAvatarHashMap(AvatarHashMap* avatarHashMap, const QString& objectName);
 
     bool isListeningToAudioStream() const { return _isListeningToAudioStream; }
     void setIsListeningToAudioStream(bool isListeningToAudioStream) { _isListeningToAudioStream = isListeningToAudioStream; }
@@ -125,6 +128,7 @@ private:
     Quat _quatLibrary;
     Vec3 _vec3Library;
     ScriptUUID _uuidLibrary;
+    AnimationCache _animationCache;
 };
 
 #endif // hifi_ScriptEngine_h
diff --git a/libraries/shared/src/ResourceCache.cpp b/libraries/shared/src/ResourceCache.cpp
index 30a725c010..04b6265513 100644
--- a/libraries/shared/src/ResourceCache.cpp
+++ b/libraries/shared/src/ResourceCache.cpp
@@ -12,6 +12,7 @@
 #include <cfloat>
 #include <cmath>
 
+#include <QThread>
 #include <QTimer>
 #include <QtDebug>
 
@@ -174,6 +175,10 @@ float Resource::getLoadPriority() {
 }
 
 void Resource::allReferencesCleared() {
+    if (QThread::currentThread() != thread()) {
+        QMetaObject::invokeMethod(this, "allReferencesCleared");
+        return;
+    }
     if (_cache) {
         // create and reinsert new shared pointer 
         QSharedPointer<Resource> self(this, &Resource::allReferencesCleared);
diff --git a/libraries/shared/src/ResourceCache.h b/libraries/shared/src/ResourceCache.h
index da217516e1..0cfabd26fc 100644
--- a/libraries/shared/src/ResourceCache.h
+++ b/libraries/shared/src/ResourceCache.h
@@ -123,7 +123,7 @@ public:
 
     void setCache(ResourceCache* cache) { _cache = cache; }
 
-    void allReferencesCleared();
+    Q_INVOKABLE void allReferencesCleared();
 
 protected slots:
 
diff --git a/libraries/shared/src/SharedUtil.cpp b/libraries/shared/src/SharedUtil.cpp
index 956f78204f..f4e4b28f93 100644
--- a/libraries/shared/src/SharedUtil.cpp
+++ b/libraries/shared/src/SharedUtil.cpp
@@ -663,6 +663,110 @@ glm::vec3 safeEulerAngles(const glm::quat& q) {
     }
 }
 
+//  Helper function returns the positive angle (in radians) between two 3D vectors
+float angleBetween(const glm::vec3& v1, const glm::vec3& v2) {
+    return acosf((glm::dot(v1, v2)) / (glm::length(v1) * glm::length(v2)));
+}
+
+//  Helper function return the rotation from the first vector onto the second
+glm::quat rotationBetween(const glm::vec3& v1, const glm::vec3& v2) {
+    float angle = angleBetween(v1, v2);
+    if (glm::isnan(angle) || angle < EPSILON) {
+        return glm::quat();
+    }
+    glm::vec3 axis;
+    if (angle > 179.99f * RADIANS_PER_DEGREE) { // 180 degree rotation; must use another axis
+        axis = glm::cross(v1, glm::vec3(1.0f, 0.0f, 0.0f));
+        float axisLength = glm::length(axis);
+        if (axisLength < EPSILON) { // parallel to x; y will work
+            axis = glm::normalize(glm::cross(v1, glm::vec3(0.0f, 1.0f, 0.0f)));
+        } else {
+            axis /= axisLength;
+        }
+    } else {
+        axis = glm::normalize(glm::cross(v1, v2));
+    }
+    return glm::angleAxis(angle, axis);
+}
+
+glm::vec3 extractTranslation(const glm::mat4& matrix) {
+    return glm::vec3(matrix[3][0], matrix[3][1], matrix[3][2]);
+}
+
+void setTranslation(glm::mat4& matrix, const glm::vec3& translation) {
+    matrix[3][0] = translation.x;
+    matrix[3][1] = translation.y;
+    matrix[3][2] = translation.z;
+}
+
+glm::quat extractRotation(const glm::mat4& matrix, bool assumeOrthogonal) {
+    // uses the iterative polar decomposition algorithm described by Ken Shoemake at
+    // http://www.cs.wisc.edu/graphics/Courses/838-s2002/Papers/polar-decomp.pdf
+    // code adapted from Clyde, https://github.com/threerings/clyde/blob/master/src/main/java/com/threerings/math/Matrix4f.java
+
+    // start with the contents of the upper 3x3 portion of the matrix
+    glm::mat3 upper = glm::mat3(matrix);
+    if (!assumeOrthogonal) {
+        for (int i = 0; i < 10; i++) {
+            // store the results of the previous iteration
+            glm::mat3 previous = upper;
+
+            // compute average of the matrix with its inverse transpose
+            float sd00 = previous[1][1] * previous[2][2] - previous[2][1] * previous[1][2];
+            float sd10 = previous[0][1] * previous[2][2] - previous[2][1] * previous[0][2];
+            float sd20 = previous[0][1] * previous[1][2] - previous[1][1] * previous[0][2];
+            float det = previous[0][0] * sd00 + previous[2][0] * sd20 - previous[1][0] * sd10;
+            if (fabs(det) == 0.0f) {
+                // determinant is zero; matrix is not invertible
+                break;
+            }
+            float hrdet = 0.5f / det;
+            upper[0][0] = +sd00 * hrdet + previous[0][0] * 0.5f;
+            upper[1][0] = -sd10 * hrdet + previous[1][0] * 0.5f;
+            upper[2][0] = +sd20 * hrdet + previous[2][0] * 0.5f;
+
+            upper[0][1] = -(previous[1][0] * previous[2][2] - previous[2][0] * previous[1][2]) * hrdet + previous[0][1] * 0.5f;
+            upper[1][1] = +(previous[0][0] * previous[2][2] - previous[2][0] * previous[0][2]) * hrdet + previous[1][1] * 0.5f;
+            upper[2][1] = -(previous[0][0] * previous[1][2] - previous[1][0] * previous[0][2]) * hrdet + previous[2][1] * 0.5f;
+
+            upper[0][2] = +(previous[1][0] * previous[2][1] - previous[2][0] * previous[1][1]) * hrdet + previous[0][2] * 0.5f;
+            upper[1][2] = -(previous[0][0] * previous[2][1] - previous[2][0] * previous[0][1]) * hrdet + previous[1][2] * 0.5f;
+            upper[2][2] = +(previous[0][0] * previous[1][1] - previous[1][0] * previous[0][1]) * hrdet + previous[2][2] * 0.5f;
+
+            // compute the difference; if it's small enough, we're done
+            glm::mat3 diff = upper - previous;
+            if (diff[0][0] * diff[0][0] + diff[1][0] * diff[1][0] + diff[2][0] * diff[2][0] + diff[0][1] * diff[0][1] +
+                    diff[1][1] * diff[1][1] + diff[2][1] * diff[2][1] + diff[0][2] * diff[0][2] + diff[1][2] * diff[1][2] +
+                    diff[2][2] * diff[2][2] < EPSILON) {
+                break;
+            }
+        }
+    }
+
+    // now that we have a nice orthogonal matrix, we can extract the rotation quaternion
+    // using the method described in http://en.wikipedia.org/wiki/Rotation_matrix#Conversions
+    float x2 = fabs(1.0f + upper[0][0] - upper[1][1] - upper[2][2]);
+    float y2 = fabs(1.0f - upper[0][0] + upper[1][1] - upper[2][2]);
+    float z2 = fabs(1.0f - upper[0][0] - upper[1][1] + upper[2][2]);
+    float w2 = fabs(1.0f + upper[0][0] + upper[1][1] + upper[2][2]);
+    return glm::normalize(glm::quat(0.5f * sqrtf(w2),
+        0.5f * sqrtf(x2) * (upper[1][2] >= upper[2][1] ? 1.0f : -1.0f),
+        0.5f * sqrtf(y2) * (upper[2][0] >= upper[0][2] ? 1.0f : -1.0f),
+        0.5f * sqrtf(z2) * (upper[0][1] >= upper[1][0] ? 1.0f : -1.0f)));
+}
+
+glm::vec3 extractScale(const glm::mat4& matrix) {
+    return glm::vec3(glm::length(matrix[0]), glm::length(matrix[1]), glm::length(matrix[2]));
+}
+
+float extractUniformScale(const glm::mat4& matrix) {
+    return extractUniformScale(extractScale(matrix));
+}
+
+float extractUniformScale(const glm::vec3& scale) {
+    return (scale.x + scale.y + scale.z) / 3.0f;
+}
+
 bool isNaN(float value) { 
     return value != value; 
 }
diff --git a/libraries/shared/src/SharedUtil.h b/libraries/shared/src/SharedUtil.h
index a2f98549ad..a8403d617c 100644
--- a/libraries/shared/src/SharedUtil.h
+++ b/libraries/shared/src/SharedUtil.h
@@ -167,6 +167,22 @@ int unpackFloatVec3FromSignedTwoByteFixed(const unsigned char* sourceBuffer, glm
 /// \return vec3 with euler angles in radians
 glm::vec3 safeEulerAngles(const glm::quat& q);
 
+float angleBetween(const glm::vec3& v1, const glm::vec3& v2); 
+
+glm::quat rotationBetween(const glm::vec3& v1, const glm::vec3& v2);
+
+glm::vec3 extractTranslation(const glm::mat4& matrix);
+
+void setTranslation(glm::mat4& matrix, const glm::vec3& translation);
+
+glm::quat extractRotation(const glm::mat4& matrix, bool assumeOrthogonal = false);
+
+glm::vec3 extractScale(const glm::mat4& matrix);
+
+float extractUniformScale(const glm::mat4& matrix);
+
+float extractUniformScale(const glm::vec3& scale);
+
 /// \return bool are two orientations similar to each other
 const float ORIENTATION_SIMILAR_ENOUGH = 5.0f; // 10 degrees in any direction
 bool isSimilarOrientation(const glm::quat& orientionA, const glm::quat& orientionB,