remove expired avatarEntities from their avatars

interface/src/Application.cpp

@@ -5921,6 +5921,10 @@ void Application::update(float deltaTime) {
             // update the rendering without any simulation
             getEntities()->update(false);
         }
+        // remove recently dead avatarEntities
+        SetOfEntities deadAvatarEntities;
+        _entitySimulation->takeDeadAvatarEntities(deadAvatarEntities);
+        avatarManager->removeDeadAvatarEntities(deadAvatarEntities);
     }
 
     // AvatarManager update

interface/src/avatar/AvatarManager.cpp

@@ -452,6 +452,17 @@ void AvatarManager::handleProcessedPhysicsTransaction(PhysicsEngine::Transaction
     transaction.clear();
 }
 
+void AvatarManager::removeDeadAvatarEntities(const SetOfEntities& deadEntities) {
+    for (auto entity : deadEntities) {
+        QUuid sessionID = entity->getOwningAvatarID();
+        AvatarSharedPointer avatar = getAvatarBySessionID(sessionID);
+        if (avatar) {
+            const bool REQUIRES_REMOVAL_FROM_TREE = false;
+            avatar->clearAvatarEntity(entity->getID(), REQUIRES_REMOVAL_FROM_TREE);
+        }
+    }
+}
+
 void AvatarManager::handleRemovedAvatar(const AvatarSharedPointer& removedAvatar, KillAvatarReason removalReason) {
     auto avatar = std::static_pointer_cast<OtherAvatar>(removedAvatar);
     {

interface/src/avatar/AvatarManager.h

@@ -26,6 +26,7 @@
 #include <avatars-renderer/ScriptAvatar.h>
 #include <AudioInjector.h>
 #include <workload/Space.h>
+#include <EntitySimulation.h> // for SetOfEntities
 
 #include "AvatarMotionState.h"
 #include "MyAvatar.h"
@@ -187,6 +188,7 @@ public:
     void queuePhysicsChange(const OtherAvatarPointer& avatar);
     void buildPhysicsTransaction(PhysicsEngine::Transaction& transaction);
     void handleProcessedPhysicsTransaction(PhysicsEngine::Transaction& transaction);
+    void removeDeadAvatarEntities(const SetOfEntities& deadEntities);
 
 public slots:
     /**jsdoc

interface/src/avatar/MyAvatar.cpp

@@ -137,7 +137,7 @@ MyAvatar::MyAvatar(QThread* thread) :
     _useSnapTurnSetting(QStringList() << AVATAR_SETTINGS_GROUP_NAME << "useSnapTurn", _useSnapTurn),
     _userHeightSetting(QStringList() << AVATAR_SETTINGS_GROUP_NAME << "userHeight", DEFAULT_AVATAR_HEIGHT),
     _flyingHMDSetting(QStringList() << AVATAR_SETTINGS_GROUP_NAME << "flyingHMD", _flyingPrefHMD),
-    _avatarEntityCountSetting(QStringList() << AVATAR_SETTINGS_GROUP_NAME << "avatarEntityData" << "size", _flyingPrefHMD)
+    _avatarEntityCountSetting(QStringList() << AVATAR_SETTINGS_GROUP_NAME << "avatarEntityData" << "size", 0)
 {
     _clientTraitsHandler = std::unique_ptr<ClientTraitsHandler>(new ClientTraitsHandler(this));
 

libraries/entities/src/EntitySimulation.h

@@ -104,7 +104,7 @@ protected:
     QMutex _dynamicsMutex { QMutex::Recursive };
 
 protected:
-    SetOfEntities _deadEntities;
+    SetOfEntities _deadEntities; // dead entities that might still be in the _entityTree
 
 private:
     void moveSimpleKinematics();

libraries/physics/src/PhysicalEntitySimulation.cpp

@@ -79,6 +79,9 @@ void PhysicalEntitySimulation::removeEntityInternal(EntityItemPointer entity) {
             _deadEntities.insert(entity);
         }
     }
+    if (entity->getClientOnly()) {
+        _deadAvatarEntities.insert(entity);
+    }
 }
 
 void PhysicalEntitySimulation::removeOwnershipData(EntityMotionState* motionState) {
@@ -123,6 +126,11 @@ void PhysicalEntitySimulation::takeDeadEntities(SetOfEntities& deadEntities) {
     _deadEntities.clear();
 }
 
+void PhysicalEntitySimulation::takeDeadAvatarEntities(SetOfEntities& deadEntities) {
+    _deadAvatarEntities.swap(deadEntities);
+    _deadAvatarEntities.clear();
+}
+
 void PhysicalEntitySimulation::changeEntityInternal(EntityItemPointer entity) {
     // queue incoming changes: from external sources (script, EntityServer, etc) to physics engine
     QMutexLocker lock(&_mutex);

libraries/physics/src/PhysicalEntitySimulation.h

@@ -60,6 +60,7 @@ public:
     virtual void applyDynamicChanges() override;
 
     virtual void takeDeadEntities(SetOfEntities& deadEntities) override;
+    void takeDeadAvatarEntities(SetOfEntities& deadEntities);
 
 signals:
     void entityCollisionWithEntity(const EntityItemID& idA, const EntityItemID& idB, const Collision& collision);
@@ -112,6 +113,7 @@ private:
 
     VectorOfEntityMotionStates _owned;
     VectorOfEntityMotionStates _bids;
+    SetOfEntities _deadAvatarEntities;
     workload::SpacePointer _space;
     uint64_t _nextBidExpiry;
     uint32_t _lastStepSendPackets { 0 };