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use a flag to indicate that simulation ownership should be grabbed

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This commit is contained in:
Seth Alves 2015-04-20 11:49:10 -07:00
parent 88f289f3c1
commit 08d300afcd
5 changed files with 21 additions and 7 deletions
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1
libraries/entities/src/EntityItem.cpp
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@ -76,6 +76,7 @@ EntityItem::EntityItem(const EntityItemID& entityItemID) {
_changedOnServer = 0;
_element = NULL;
_simulatorIDChangedTime = 0;
_shouldClaimSimulationOwnership = false;
initFromEntityItemID(entityItemID);
}

3
libraries/entities/src/EntityItem.h
View file

@ -259,6 +259,8 @@ public:
QUuid getSimulatorID() const { return _simulatorID; }
void setSimulatorID(const QUuid& value);
quint64 getSimulatorIDChangedTime() const { return _simulatorIDChangedTime; }
void setShouldClaimSimulationOwnership(bool value) { _shouldClaimSimulationOwnership = value; }
bool getShouldClaimSimulationOwnership() { return _shouldClaimSimulationOwnership; }
const QString& getMarketplaceID() const { return _marketplaceID; }
void setMarketplaceID(const QString& value) { _marketplaceID = value; }
@ -355,6 +357,7 @@ protected:
QString _userData;
QUuid _simulatorID; // id of Node which is currently responsible for simulating this Entity
quint64 _simulatorIDChangedTime; // when was _simulatorID last updated?
bool _shouldClaimSimulationOwnership;
QString _marketplaceID;
// NOTE: Damping is applied like this: v *= pow(1 - damping, dt)

2
libraries/entities/src/EntityTree.cpp
View file

@ -147,6 +147,8 @@ bool EntityTree::updateEntityWithElement(EntityItem* entity, const EntityItemPro
properties.setPositionChanged(false);
properties.setVelocityChanged(false);
properties.setAccelerationChanged(false);
} else {
qCDebug(entities) << "allowing simulatorID change";
}
}

11
libraries/physics/src/EntityMotionState.cpp
View file

@ -191,6 +191,10 @@ bool EntityMotionState::shouldSendUpdate(uint32_t simulationFrame) {
return false;
}
if (_entity->getShouldClaimSimulationOwnership()) {
return true;
}
auto nodeList = DependencyManager::get<NodeList>();
const QUuid& myNodeID = nodeList->getSessionUUID();
const QUuid& simulatorID = _entity->getSimulatorID();
@ -262,7 +266,12 @@ void EntityMotionState::sendUpdate(OctreeEditPacketSender* packetSender, uint32_
QUuid myNodeID = nodeList->getSessionUUID();
QUuid simulatorID = _entity->getSimulatorID();
if (simulatorID.isNull() && !(zeroSpeed && zeroSpin)) {
if (_entity->getShouldClaimSimulationOwnership()) {
_entity->setSimulatorID(myNodeID);
properties.setSimulatorID(myNodeID);
_entity->setShouldClaimSimulationOwnership(false);
}
else if (simulatorID.isNull() && !(zeroSpeed && zeroSpin)) {
// The object is moving and nobody thinks they own the motion. set this Node as the simulator
_entity->setSimulatorID(myNodeID);
properties.setSimulatorID(myNodeID);

11
libraries/physics/src/PhysicsEngine.cpp
View file

@ -397,20 +397,19 @@ void PhysicsEngine::computeCollisionEvents() {
_contactMap[ContactKey(a, b)].update(_numContactFrames, contactManifold->getContactPoint(0), _originOffset);
// if our character capsule is colliding with something dynamic, claim simulation ownership.
// do this by setting the entity's simulator-id to NULL, thereby causing EntityMotionState::sendUpdate
// to set ownership to us.
// see EntityMotionState::sendUpdate
if (objectA == characterCollisionObject && !objectB->isStaticOrKinematicObject() && b) {
EntityItem* entityB = static_cast<EntityMotionState*>(b)->getEntity();
if (!entityB->getSimulatorID().isNull() && entityB->getSimulatorID() != myNodeID) {
if (entityB->getSimulatorID() != myNodeID && !entityB->getShouldClaimSimulationOwnership()) {
qDebug() << "CLAIMING B";
entityB->setSimulatorID(NULL);
entityB->setShouldClaimSimulationOwnership(true);
}
}
if (objectB == characterCollisionObject && !objectA->isStaticOrKinematicObject() && a) {
EntityItem* entityA = static_cast<EntityMotionState*>(a)->getEntity();
if (!entityA->getSimulatorID().isNull() && entityA->getSimulatorID() != myNodeID) {
if (entityA->getSimulatorID() != myNodeID && !entityA->getShouldClaimSimulationOwnership()) {
qDebug() << "CLAIMING A";
entityA->setSimulatorID(NULL);
entityA->setShouldClaimSimulationOwnership(true);
}
}
}