make agent avatar animations work again, and use them in crowds

assignment-client/src/avatars/ScriptableAvatar.cpp

@@ -46,14 +46,21 @@ AnimationDetails ScriptableAvatar::getAnimationDetails() {
     return _animationDetails;
 }
 
+void ScriptableAvatar::setSkeletonModelURL(const QUrl& skeletonModelURL) {
+    _bind.reset();
+    _animSkeleton.reset();
+    AvatarData::setSkeletonModelURL(skeletonModelURL);
+}
 void ScriptableAvatar::update(float deltatime) {
     if (_bind.isNull() && !_skeletonFBXURL.isEmpty()) { // AvatarData will parse the .fst, but not get the .fbx skeleton.
         _bind = DependencyManager::get<AnimationCache>()->getAnimation(_skeletonFBXURL);
     }
 
     // Run animation
-    if (_animation && _animation->isLoaded() && _animation->getFrames().size() > 0 && _bind->isLoaded()) {
-        
+    if (_animation && _animation->isLoaded() && _animation->getFrames().size() > 0 && !_bind.isNull() && _bind->isLoaded()) {
+        if (!_animSkeleton) {
+            _animSkeleton = std::make_shared<AnimSkeleton>(_bind->getGeometry());
+        }
         float currentFrame = _animationDetails.currentFrame + deltatime * _animationDetails.fps;
         if (_animationDetails.loop || currentFrame < _animationDetails.lastFrame) {
             while (currentFrame >= _animationDetails.lastFrame) {
@@ -64,14 +71,16 @@ void ScriptableAvatar::update(float deltatime) {
             const QVector<FBXJoint>& modelJoints = _bind->getGeometry().joints;
             QStringList animationJointNames = _animation->getJointNames();
 
-            if (_jointData.size() != modelJoints.size()) {
-                _jointData.resize(modelJoints.size());
+            const int nJoints = modelJoints.size();
+            if (_jointData.size() != nJoints) {
+                _jointData.resize(nJoints);
             }
             
             const int frameCount = _animation->getFrames().size();
             const FBXAnimationFrame& floorFrame = _animation->getFrames().at((int)glm::floor(currentFrame) % frameCount);
             const FBXAnimationFrame& ceilFrame = _animation->getFrames().at((int)glm::ceil(currentFrame) % frameCount);
             const float frameFraction = glm::fract(currentFrame);
+            std::vector<AnimPose> poses = _animSkeleton->getRelativeDefaultPoses();
             
             for (int i = 0; i < animationJointNames.size(); i++) {
                 const QString& name = animationJointNames[i];
@@ -79,18 +88,21 @@ void ScriptableAvatar::update(float deltatime) {
                 // trusting the .fst (which is sometimes not updated to match changes to .fbx).
                 int mapping = _bind->getGeometry().getJointIndex(name);
                 if (mapping != -1 && !_maskedJoints.contains(name)) {
-                    JointData& data = _jointData[mapping];
-
-                    auto newRotation = modelJoints[mapping].preRotation *
-                        safeMix(floorFrame.rotations.at(i), ceilFrame.rotations.at(i), frameFraction);
-                    // We could probably do translations as in interpolation in model space (rather than the parent space that each frame is in),
-                    // but we don't do so for MyAvatar yet, so let's not be different here.
-                    if (data.rotation != newRotation) {
-                        data.rotation = newRotation;
-                        data.rotationSet = true;
-                    }
+                    // Eventually, this should probably deal with post rotations and translations, too.
+                    poses[mapping].rot = modelJoints[mapping].preRotation *
+                        safeMix(floorFrame.rotations.at(i), ceilFrame.rotations.at(i), frameFraction);;
                  }
             }
+            _animSkeleton->convertRelativePosesToAbsolute(poses);
+            for (int i = 0; i < nJoints; i++) {
+                JointData& data = _jointData[i];
+                AnimPose& pose = poses[i];
+                if (data.rotation != pose.rot) {
+                    data.rotation = pose.rot;
+                    data.rotationSet = true;
+                }
+            }
+
         } else {
             _animation.clear();
         }

assignment-client/src/avatars/ScriptableAvatar.h

@@ -13,6 +13,7 @@
 #define hifi_ScriptableAvatar_h
 
 #include <AnimationCache.h>
+#include <AnimSkeleton.h>
 #include <AvatarData.h>
 #include <ScriptEngine.h>
 
@@ -25,6 +26,7 @@ public:
                                     bool hold = false, float firstFrame = 0.0f, float lastFrame = FLT_MAX, const QStringList& maskedJoints = QStringList());
     Q_INVOKABLE void stopAnimation();
     Q_INVOKABLE AnimationDetails getAnimationDetails();
+    virtual void setSkeletonModelURL(const QUrl& skeletonModelURL) override;
     
 private slots:
     void update(float deltatime);
@@ -34,6 +36,7 @@ private:
     AnimationDetails _animationDetails;
     QStringList _maskedJoints;
     AnimationPointer _bind; // a sleazy way to get the skeleton, given the various library/cmake dependencies
+    std::shared_ptr<AnimSkeleton> _animSkeleton;
 };
 
 #endif // hifi_ScriptableAvatar_h

scripts/developer/tests/performance/crowd-agent.js

@@ -22,6 +22,7 @@ print('crowd-agent version 2');
 - File urls for AC scripts silently fail. Use a local server (e.g., python SimpleHTTPServer) for development.
 - URLs are cached regardless of server headers. Must use cache-defeating query parameters.
 - JSON.stringify(Avatar) silently fails (even when Agent.isAvatar)
+- If you run from a dev build directory, you must link assignment-client/<target>/resources to ../../interface/<target>/resources
 */
 
 function messageSend(message) {

scripts/developer/tests/performance/summon.js

@@ -23,6 +23,14 @@ var DENSITY = 0.3; // square meters per person. Some say 10 sq ft is arm's lengt
 var SOUND_DATA = {url: "http://howard-stearns.github.io/models/sounds/piano1.wav"};
 var AVATARS_CHATTERING_AT_ONCE = 4; // How many of the agents should we request to play SOUND at once.
 var NEXT_SOUND_SPREAD = 500; // millisecond range of how long to wait after one sound finishes, before playing the next
+var ANIMATION_DATA = { // T-pose until we get animations working again.
+    "url": "http://howard-stearns.github.io/models/resources/avatar/animations/idle.fbx",
+    //"url": "http://howard-stearns.github.io/models/resources/avatar/animations/walk_fwd.fbx",
+    "startFrame": 0.0,
+    "endFrame": 300.0,
+    "timeScale": 1.0,
+    "loopFlag": true
+};
 
 var spread = Math.sqrt(MINIMUM_AVATARS * DENSITY); // meters
 var turnSpread = 90; // How many degrees should turn from front range over.
@@ -71,18 +79,10 @@ function messageHandler(channel, messageString, senderID) {
                 rcpt: senderID,
                 position: Vec3.sum(MyAvatar.position, {x: coord(), y: 0, z: coord()}),
                 orientation: Quat.fromPitchYawRollDegrees(0, Quat.safeEulerAngles(MyAvatar.orientation).y + (turnSpread * (Math.random() - 0.5)), 0),
-                soundData: chatter && SOUND_DATA/*
+                soundData: chatter && SOUND_DATA,
                 // No need to specify skeletonModelURL
-                //skeletonModelURL: "file:///c:/Program Files/High Fidelity Release/resources/meshes/being_of_light/being_of_light.fbx",
                 //skeletonModelURL: "file:///c:/Program Files/High Fidelity Release/resources/meshes/defaultAvatar_full.fst"/,
-                animationData: { // T-pose until we get animations working again.
-                    "url": "file:///C:/Program Files/High Fidelity Release/resources/avatar/animations/idle.fbx",
-                    //"url": "file:///c:/Program Files/High Fidelity Release/resources/avatar/animations/walk_fwd.fbx",
-                    "startFrame": 0.0,
-                    "endFrame": 300.0,
-                    "timeScale": 1.0,
-                    "loopFlag": true
-                }*/
+                animationData: ANIMATION_DATA
             });
         }
         break;