hook up zone flyingAllowed flag to character controller

interface/src/avatar/MyAvatar.cpp

@@ -426,7 +426,12 @@ void MyAvatar::simulate(float deltaTime) {
     EntityTreeRenderer* entityTreeRenderer = qApp->getEntities();
     EntityTreePointer entityTree = entityTreeRenderer ? entityTreeRenderer->getTree() : nullptr;
     if (entityTree) {
+        bool flyingAllowed = true;
         entityTree->withWriteLock([&] {
+            std::shared_ptr<ZoneEntityItem> zone = entityTreeRenderer->myAvatarZone();
+            if (zone) {
+                flyingAllowed = zone->getFlyingAllowed();
+            }
             auto now = usecTimestampNow();
             EntityEditPacketSender* packetSender = qApp->getEntityEditPacketSender();
             MovingEntitiesOperator moveOperator(entityTree);
@@ -454,6 +459,7 @@ void MyAvatar::simulate(float deltaTime) {
                 entityTree->recurseTreeWithOperator(&moveOperator);
             }
         });
+        _characterController.setFlyingAllowed(flyingAllowed);
     }
 }
 

libraries/entities-renderer/src/EntityTreeRenderer.h

@@ -88,6 +88,8 @@ public:
     // For Scene.shouldRenderEntities
     QList<EntityItemID>& getEntitiesLastInScene() { return _entityIDsLastInScene; }
 
+    std::shared_ptr<ZoneEntityItem> myAvatarZone() { return _bestZone; }
+
 signals:
     void mousePressOnEntity(const RayToEntityIntersectionResult& intersection, const QMouseEvent* event);
     void mousePressOffEntity(const RayToEntityIntersectionResult& intersection, const QMouseEvent* event);

libraries/physics/src/CharacterController.cpp

@@ -294,6 +294,10 @@ void CharacterController::setState(State desiredState, const char* reason) {
 #else
 void CharacterController::setState(State desiredState) {
 #endif
+    if (!_flyingAllowed && desiredState == State::Hover) {
+        desiredState = State::InAir;
+    }
+
     if (desiredState != _state) {
 #ifdef DEBUG_STATE_CHANGE
         qCDebug(physics) << "CharacterController::setState" << stateToStr(desiredState) << "from" << stateToStr(_state) << "," << reason;
@@ -544,3 +548,13 @@ bool CharacterController::getRigidBodyLocation(glm::vec3& avatarRigidBodyPositio
     avatarRigidBodyRotation = bulletToGLM(worldTrans.getRotation());
     return true;
 }
+
+void CharacterController::setFlyingAllowed(bool value) {
+    if (_flyingAllowed != value) {
+        _flyingAllowed = value;
+
+        if (!_flyingAllowed && _state == State::Hover) {
+            SET_STATE(State::InAir, "flying not allowed");
+        }
+    }
+}

libraries/physics/src/CharacterController.h

@@ -98,6 +98,9 @@ public:
 
     bool getRigidBodyLocation(glm::vec3& avatarRigidBodyPosition, glm::quat& avatarRigidBodyRotation);
 
+    void setFlyingAllowed(bool value);
+
+
 protected:
 #ifdef DEBUG_STATE_CHANGE
     void setState(State state, const char* reason);
@@ -147,6 +150,8 @@ protected:
     btRigidBody* _rigidBody { nullptr };
     uint32_t _pendingFlags { 0 };
     uint32_t _previousFlags { 0 };
+
+    bool _flyingAllowed { true };
 };
 
 #endif // hifi_CharacterControllerInterface_h