simple action is working. destructor sequense is still suspicous

libraries/entities/src/DeleteEntityOperator.cpp

@@ -46,6 +46,7 @@ void DeleteEntityOperator::addEntityIDToDeleteList(const EntityItemID& searchEnt
             //assert(false);
             qCDebug(entities) << "that's UNEXPECTED, we got a _containingElement, but couldn't find the oldEntity!";
         } else {
+            details.entity->clearActions();
             details.cube = details.containingElement->getAACube();
             _entitiesToDelete << details;
             _lookingCount++;

libraries/entities/src/EntityActionInterface.h

@@ -12,6 +12,8 @@
 #ifndef hifi_EntityActionInterface_h
 #define hifi_EntityActionInterface_h
 
+class EntitySimulation;
+
 enum EntityActionType {
     ACTION_TYPE_NONE,
     ACTION_TYPE_PULL_TO_POINT
@@ -20,8 +22,11 @@ enum EntityActionType {
 
 class EntityActionInterface {
  public:
-    virtual ~EntityActionInterface() {};
+    EntityActionInterface() { qDebug() << "EntityActionInterface::EntityActionInterface"; }
+    virtual ~EntityActionInterface() { qDebug() << "EntityActionInterface::~EntityActionInterface"; }
     virtual const QUuid& getID() const = 0;
+    virtual void setSimulation(EntitySimulation* simulation) = 0;
+    virtual void removeFromSimulation() const = 0;
     virtual const EntityItemPointer& getOwnerEntity() const = 0;
     virtual void setOwnerEntity(const EntityItemPointer ownerEntity) = 0;
     // virtual QByteArray serialize() = 0;

libraries/entities/src/EntityItem.cpp

@@ -83,9 +83,10 @@ EntityItem::EntityItem(const EntityItemID& entityItemID, const EntityItemPropert
 }
 
 EntityItem::~EntityItem() {
+    qDebug() << "EntityItem::~EntityItem" << _objectActions.size() << _name;
+    clearActions();
     // these pointers MUST be NULL at delete, else we probably have a dangling backpointer 
     // to this EntityItem in the corresponding data structure.
-    clearActions();
     assert(!_simulated);
     assert(!_element);
     assert(!_physicsInfo);
@@ -1339,43 +1340,47 @@ void EntityItem::updateSimulatorID(const QUuid& value) {
     }
 }
 
-void EntityItem::addAction(EntityActionInterface* action) {
+bool EntityItem::addAction(EntityActionInterface* action) {
     assert(action);
     const QUuid& actionID = action->getID();
     assert(!_objectActions.contains(actionID) || _objectActions[actionID] == action);
+    qDebug() << "SETTING" << actionID << "in EntityItem::addAction" << _name;
     _objectActions[actionID] = action;
 
-    EntityItemPointer thisEntity(this);
+    assert(action->getOwnerEntity().get() == this);
-    assert(action->getOwnerEntity() == nullptr || action->getOwnerEntity() == thisEntity);
-    action->setOwnerEntity(thisEntity);
 
+    if (_element) {
         const EntityTree* tree = _element->getTree();
         if (tree) {
             EntitySimulation* simulation = tree->getSimulation();
             if (simulation) {
                 simulation->addAction(action);
+                return true;
             }
         }
     }
 
+    return false;
+}
+
 void EntityItem::removeAction(const QUuid actionID) {
     if (_objectActions.contains(actionID)) {
-        const EntityActionInterface* action = _objectActions[actionID];
+        EntityActionInterface* action = _objectActions[actionID];
+        qDebug() << "REMOVING" << actionID << "in EntityItem::removeAction" << _name;
         _objectActions.remove(actionID);
-
+        action->setOwnerEntity(nullptr);
-        const EntityTree* tree = _element->getTree();
+        action->removeFromSimulation();
-        if (tree) {
-            EntitySimulation* simulation = tree->getSimulation();
-            if (simulation) {
-                simulation->removeAction(action->getID());
-            }
-        }
     }
 }
 
 void EntityItem::clearActions() {
-    QHash<QUuid, const EntityActionInterface*>::iterator i;
+    QHash<QUuid, EntityActionInterface*>::iterator i = _objectActions.begin();
-    for (i = _objectActions.begin(); i != _objectActions.end(); ++i) {
+    while (i != _objectActions.end()) {
-        removeAction(i.key());
+        const QUuid id = i.key();
+        EntityActionInterface* action = _objectActions[id];
+        qDebug() << "ERASING" << id << "in EntityItem::clearActions" << _name;
+        i = _objectActions.erase(i);
+        action->setOwnerEntity(nullptr);
+        action->removeFromSimulation();
     }
 }

libraries/entities/src/EntityItem.h

@@ -356,10 +356,9 @@ public:
 
     void getAllTerseUpdateProperties(EntityItemProperties& properties) const;
 
-    void addAction(EntityActionInterface* actionID);
+    bool addAction(EntityActionInterface* actionID);
     void removeAction(const QUuid actionID);
     void clearActions();
-    const QList<QUuid> getActionIDs() const { return _objectActions.keys(); }
 
 protected:
 
@@ -433,7 +432,7 @@ protected:
     void* _physicsInfo = nullptr; // set by EntitySimulation
     bool _simulated; // set by EntitySimulation
 
-    QHash<QUuid, const EntityActionInterface*> _objectActions;
+    QHash<QUuid, EntityActionInterface*> _objectActions;
 };
 
 #endif // hifi_EntityItem_h

libraries/entities/src/EntityScriptingInterface.cpp

@@ -450,7 +450,7 @@ bool EntityScriptingInterface::setAllVoxels(QUuid entityID, int value) {
         });
 }
 
-QUuid EntityScriptingInterface::addActionPullToPoint(QUuid entityID, const glm::vec3& target) {
+QUuid EntityScriptingInterface::addActionPullToPoint(QUuid entityID, const glm::vec3& target, float speed) {
     if (!_entityTree) {
         return QUuid();
     }
@@ -470,6 +470,7 @@ QUuid EntityScriptingInterface::addActionPullToPoint(QUuid entityID, const glm::
     QVariantList targetList;
     targetList << QVariant(target[0]) << QVariant(target[1]) << QVariant(target[2]);
     arguments["target"] = targetList;
+    arguments["speed"] = QVariant(speed);
     EntityActionInterface* action = simulation->actionFactory(ACTION_TYPE_PULL_TO_POINT, actionID, entity, arguments);
     entity->addAction(action);
 

libraries/entities/src/EntityScriptingInterface.h

@@ -124,7 +124,7 @@ public slots:
 
     Q_INVOKABLE void dumpTree() const;
 
-    Q_INVOKABLE QUuid addActionPullToPoint(QUuid entityID, const glm::vec3& target);
+    Q_INVOKABLE QUuid addActionPullToPoint(QUuid entityID, const glm::vec3& target, float velocity);
 
 signals:
     void entityCollisionWithEntity(const EntityItemID& idA, const EntityItemID& idB, const Collision& collision);

libraries/entities/src/EntitySimulation.h

@@ -60,7 +60,7 @@ public:
                                                  QUuid id,
                                                  EntityItemPointer ownerEntity,
                                                  QVariantMap arguments) { return nullptr; }
-    virtual void addAction(EntityActionInterface* action) { _actionsToAdd += action; }
+    virtual void addAction(EntityActionInterface* action) { action->setSimulation(this); _actionsToAdd += action; }
     virtual void removeAction(const QUuid actionID) { _actionsToRemove += actionID; }
     virtual void removeActions(QList<QUuid> actionIDsToRemove) { _actionsToRemove += actionIDsToRemove; }
     virtual void applyActionChanges() { _actionsToAdd.clear(); _actionsToRemove.clear(); }

libraries/physics/src/ObjectAction.cpp

@@ -9,15 +9,19 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
+#include "EntitySimulation.h"
+
 #include "ObjectAction.h"
 
 ObjectAction::ObjectAction(QUuid id, EntityItemPointer ownerEntity) :
     btActionInterface(),
     _id(id),
     _ownerEntity(ownerEntity) {
+    qDebug() << "ObjectAction::ObjectAction";
 }
 
 ObjectAction::~ObjectAction() {
+    qDebug() << "ObjectAction::~ObjectAction";
 }
 
 void ObjectAction::updateAction(btCollisionWorld* collisionWorld, btScalar deltaTimeStep) {
@@ -26,3 +30,9 @@ void ObjectAction::updateAction(btCollisionWorld* collisionWorld, btScalar delta
 
 void ObjectAction::debugDraw(btIDebugDraw* debugDrawer) {
 }
+
+void ObjectAction::removeFromSimulation() const {
+    if (_simulation) {
+        _simulation->removeAction(_id);
+    }
+}

libraries/physics/src/ObjectAction.h

@@ -25,6 +25,8 @@ public:
     virtual ~ObjectAction();
 
     const QUuid& getID() const { return _id; }
+    virtual void setSimulation(EntitySimulation* simulation) { _simulation = simulation; }
+    virtual void removeFromSimulation() const;
     virtual const EntityItemPointer& getOwnerEntity() const { return _ownerEntity; }
     virtual void setOwnerEntity(const EntityItemPointer ownerEntity) { _ownerEntity = ownerEntity; }
 
@@ -34,7 +36,10 @@ public:
 
 private:
     QUuid _id;
+
+protected:
     EntityItemPointer _ownerEntity;
+    EntitySimulation* _simulation;
 };
 
 #endif // hifi_ObjectAction_h

libraries/physics/src/ObjectActionPullToPoint.cpp

@@ -9,16 +9,40 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
+#include "ObjectMotionState.h"
+#include "BulletUtil.h"
+
 #include "ObjectActionPullToPoint.h"
 
-ObjectActionPullToPoint::ObjectActionPullToPoint(QUuid id, EntityItemPointer ownerEntity, glm::vec3 target) :
+ObjectActionPullToPoint::ObjectActionPullToPoint(QUuid id, EntityItemPointer ownerEntity, glm::vec3 target, float speed) :
     ObjectAction(id, ownerEntity),
-    _target(target) {
+    _target(target),
+    _speed(speed) {
+    qDebug() << "ObjectActionPullToPoint::ObjectActionPullToPoint";
 }
 
 ObjectActionPullToPoint::~ObjectActionPullToPoint() {
+    qDebug() << "ObjectActionPullToPoint::~ObjectActionPullToPoint";
 }
 
 void ObjectActionPullToPoint::updateAction(btCollisionWorld* collisionWorld, btScalar deltaTimeStep) {
-    qDebug() << "ObjectActionPullToPoint::updateAction called";
+    glm::vec3 offset = _target - _ownerEntity->getPosition();
+
+    if (glm::length(offset) < IGNORE_POSITION_DELTA) {
+        offset = glm::vec3(0.0f, 0.0f, 0.0f);
+    }
+
+    glm::vec3 newVelocity = glm::normalize(offset) * _speed;
+
+    void* physicsInfo = _ownerEntity->getPhysicsInfo();
+    if (physicsInfo) {
+        ObjectMotionState* motionState = static_cast<ObjectMotionState*>(physicsInfo);
+        btRigidBody* rigidBody = motionState->getRigidBody();
+        if (rigidBody) {
+            rigidBody->setLinearVelocity(glmToBullet(newVelocity));
+            return;
+        }
+    }
+
+    _ownerEntity->updateVelocity(newVelocity);
 }

libraries/physics/src/ObjectActionPullToPoint.h

@@ -19,13 +19,14 @@
 
 class ObjectActionPullToPoint : public ObjectAction {
 public:
-    ObjectActionPullToPoint(QUuid id, EntityItemPointer ownerEntity, glm::vec3 target);
+    ObjectActionPullToPoint(QUuid id, EntityItemPointer ownerEntity, glm::vec3 target, float speed);
     virtual ~ObjectActionPullToPoint();
 
     void updateAction(btCollisionWorld* collisionWorld, btScalar deltaTimeStep);
 
 private:
     glm::vec3 _target;
+    float _speed;
 };
 
 #endif // hifi_ObjectActionPullToPoint_h

libraries/physics/src/PhysicalEntitySimulation.cpp

@@ -245,7 +245,8 @@ EntityActionInterface* PhysicalEntitySimulation::actionFactory(EntityActionType
         case ACTION_TYPE_PULL_TO_POINT:
             QVariantList target = arguments["target"].toList();
             glm::vec3 glmTarget(target[0].toFloat(), target[1].toFloat(), target[2].toFloat());
-            return (EntityActionInterface*) new ObjectActionPullToPoint(id, ownerEntity, glmTarget);
+            float speed = arguments["speed"].toFloat();
+            return (EntityActionInterface*) new ObjectActionPullToPoint(id, ownerEntity, glmTarget, speed);
     }
 
     assert(false);