Read flow data from the fst file

interface/src/avatar/MyAvatar.cpp

@@ -2337,6 +2337,7 @@ void MyAvatar::setSkeletonModelURL(const QUrl& skeletonModelURL) {
            _skeletonModel->setCauterizeBoneSet(_headBoneSet);
            _fstAnimGraphOverrideUrl = _skeletonModel->getGeometry()->getAnimGraphOverrideUrl();
            initAnimGraph();
+           initFlow();
            _skeletonModelLoaded = true;
        }
        QObject::disconnect(*skeletonConnection);
@@ -5383,6 +5384,37 @@ void MyAvatar::useFlow(bool isActive, bool isCollidable, const QVariantMap& phys
     }
 }
 
+void MyAvatar::initFlow() {
+    auto &flowData = _skeletonModel->getHFMModel().flowData;
+    if (flowData._physicsData.size() > 0) {
+        QVariantMap physicsConfig;
+        QVariantMap collisionsConfig;
+        for (auto &data : flowData._physicsData) {
+            QJsonObject map = QJsonDocument::fromJson(data).object();
+            if (!map.isEmpty() && map.keys().size() == 1) {
+                QString group = map.keys()[0];
+                if (map[group].isObject()) {
+                    physicsConfig.insert(group, map[group].toObject().toVariantMap());
+                }
+            }
+        }
+        for (auto &data : flowData._collisionsData) {
+            QJsonObject map = QJsonDocument::fromJson(data).object();
+            if (!map.isEmpty() && map.keys().size() == 1) {
+                QString jointName = map.keys()[0];
+                if (map[jointName].isObject()) {
+                    collisionsConfig.insert(jointName, map[jointName].toObject().toVariantMap());
+                }
+            }
+        }
+        if (collisionsConfig.size() > 0) {
+            useFlow(true, true, physicsConfig, collisionsConfig);
+        } else {
+            useFlow(true, false, physicsConfig);
+        }
+    }
+}
+
 void MyAvatar::sendPacket(const QUuid& entityID, const EntityItemProperties& properties) const {
     auto treeRenderer = DependencyManager::get<EntityTreeRenderer>();
     EntityTreePointer entityTree = treeRenderer ? treeRenderer->getTree() : nullptr;

interface/src/avatar/MyAvatar.h

@@ -1751,6 +1751,7 @@ private:
     void updateCollisionSound(const glm::vec3& penetration, float deltaTime, float frequency);
     void initHeadBones();
     void initAnimGraph();
+    void initFlow();
 
     // Avatar Preferences
     QUrl _fullAvatarURLFromPreferences;

libraries/hfm/src/hfm/HFM.h

@@ -273,6 +273,13 @@ public:
     {}
 };
 
+class FlowData {
+public:
+    FlowData() {};
+    std::vector<QByteArray> _physicsData;
+    std::vector<QByteArray> _collisionsData;
+};
+
 /// The runtime model format.
 class Model {
 public:
@@ -319,6 +326,7 @@ public:
     QList<QString> blendshapeChannelNames;
 
     QMap<int, glm::quat> jointRotationOffsets;
+    FlowData flowData;
 };
 
 };
@@ -343,6 +351,7 @@ typedef hfm::Mesh HFMMesh;
 typedef hfm::AnimationFrame HFMAnimationFrame;
 typedef hfm::Light HFMLight;
 typedef hfm::Model HFMModel;
+typedef hfm::FlowData FlowData;
 
 Q_DECLARE_METATYPE(HFMAnimationFrame)
 Q_DECLARE_METATYPE(QVector<HFMAnimationFrame>)

libraries/model-baker/src/model-baker/Baker.cpp

@@ -20,6 +20,7 @@
 #include "CalculateBlendshapeNormalsTask.h"
 #include "CalculateBlendshapeTangentsTask.h"
 #include "PrepareJointsTask.h"
+#include "ParseFlowDataTask.h"
 
 namespace baker {
 
@@ -101,7 +102,7 @@ namespace baker {
 
     class BuildModelTask {
     public:
-        using Input = VaryingSet5<hfm::Model::Pointer, std::vector<hfm::Mesh>, std::vector<hfm::Joint>, QMap<int, glm::quat>, QHash<QString, int>>;
+        using Input = VaryingSet6<hfm::Model::Pointer, std::vector<hfm::Mesh>, std::vector<hfm::Joint>, QMap<int, glm::quat>, QHash<QString, int>, FlowData>;
         using Output = hfm::Model::Pointer;
         using JobModel = Job::ModelIO<BuildModelTask, Input, Output>;
 
@@ -111,6 +112,7 @@ namespace baker {
             hfmModelOut->joints = QVector<hfm::Joint>::fromStdVector(input.get2());
             hfmModelOut->jointRotationOffsets = input.get3();
             hfmModelOut->jointIndices = input.get4();
+            hfmModelOut->flowData = input.get5();
             output = hfmModelOut;
         }
     };
@@ -157,12 +159,15 @@ namespace baker {
             // Parse material mapping
             const auto materialMapping = model.addJob<ParseMaterialMappingTask>("ParseMaterialMapping", mapping);
 
+            // Parse flow data
+            const auto flowData = model.addJob<ParseFlowDataTask>("ParseFlowData", mapping);
+
             // Combine the outputs into a new hfm::Model
             const auto buildBlendshapesInputs = BuildBlendshapesTask::Input(blendshapesPerMeshIn, normalsPerBlendshapePerMesh, tangentsPerBlendshapePerMesh).asVarying();
             const auto blendshapesPerMeshOut = model.addJob<BuildBlendshapesTask>("BuildBlendshapes", buildBlendshapesInputs);
             const auto buildMeshesInputs = BuildMeshesTask::Input(meshesIn, graphicsMeshes, normalsPerMesh, tangentsPerMesh, blendshapesPerMeshOut).asVarying();
             const auto meshesOut = model.addJob<BuildMeshesTask>("BuildMeshes", buildMeshesInputs);
-            const auto buildModelInputs = BuildModelTask::Input(hfmModelIn, meshesOut, jointsOut, jointRotationOffsets, jointIndices).asVarying();
+            const auto buildModelInputs = BuildModelTask::Input(hfmModelIn, meshesOut, jointsOut, jointRotationOffsets, jointIndices, flowData).asVarying();
             const auto hfmModelOut = model.addJob<BuildModelTask>("BuildModel", buildModelInputs);
 
             output = Output(hfmModelOut, materialMapping);

libraries/model-baker/src/model-baker/ParseFlowDataTask.cpp

@@ -0,0 +1,26 @@
+//
+//  Created by Luis Cuenca on 5/3/2019
+//  Copyright 2019 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "ParseFlowDataTask.h"
+
+void ParseFlowDataTask::run(const baker::BakeContextPointer& context, const Input& mapping, Output& output) {
+    FlowData flowData;
+    static const QString FLOW_PHYSICS_FIELD = "flowPhysicsData";
+    static const QString FLOW_COLLISIONS_FIELD = "flowCollisionsData";
+    for (auto &mappingIter = mapping.begin(); mappingIter != mapping.end(); mappingIter++) {
+        if (mappingIter.key() == FLOW_PHYSICS_FIELD || mappingIter.key() == FLOW_COLLISIONS_FIELD) {
+            QByteArray flowDataValue = mappingIter.value().toByteArray();
+            if (mappingIter.key() == FLOW_PHYSICS_FIELD) {
+                flowData._physicsData.push_back(flowDataValue);
+            } else {
+                flowData._collisionsData.push_back(flowDataValue);
+            }
+        }
+    }
+    output = flowData;
+}

libraries/model-baker/src/model-baker/ParseFlowDataTask.h

@@ -0,0 +1,24 @@
+//
+//  Created by Luis Cuenca on 3/7/2019
+//  Copyright 2019 High Fidelity, Inc.
+//
+//  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_ParseFlowDataTask_h
+#define hifi_ParseFlowDataTask_h
+
+#include <hfm/HFM.h>
+#include "Engine.h"
+
+class ParseFlowDataTask {
+public:
+    using Input = QVariantHash;
+    using Output = FlowData;
+    using JobModel = baker::Job::ModelIO<ParseFlowDataTask, Input, Output>;
+
+    void run(const baker::BakeContextPointer& context, const Input& input, Output& output);
+};
+
+#endif // hifi_ParseFlowDataTask_h