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Merge branch 'master' of github.com:highfidelity/hifi into polyvox

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This commit is contained in:
Seth Alves 2015-05-27 19:05:01 -07:00
commit 4961c10e17
2 changed files with 277 additions and 294 deletions
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67
libraries/entities/src/EntityItem.cpp
View file

@ -318,15 +318,6 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
return 0;
}
// if this bitstream indicates that this node is the simulation owner, ignore any physics-related updates.
glm::vec3 savePosition = _position;
glm::quat saveRotation = _rotation;
// glm::vec3 saveVelocity = _velocity;
// glm::vec3 saveAngularVelocity = _angularVelocity;
// glm::vec3 saveGravity = _gravity;
// glm::vec3 saveAcceleration = _acceleration;
// Header bytes
// object ID [16 bytes]
// ByteCountCoded(type code) [~1 byte]
@ -337,7 +328,15 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
const int MINIMUM_HEADER_BYTES = 27;
int bytesRead = 0;
if (bytesLeftToRead >= MINIMUM_HEADER_BYTES) {
if (bytesLeftToRead < MINIMUM_HEADER_BYTES) {
return 0;
}
// if this bitstream indicates that this node is the simulation owner, ignore any physics-related updates.
glm::vec3 savePosition = _position;
glm::quat saveRotation = _rotation;
glm::vec3 saveVelocity = _velocity;
glm::vec3 saveAngularVelocity = _angularVelocity;
int originalLength = bytesLeftToRead;
QByteArray originalDataBuffer((const char*)data, originalLength);
@ -449,7 +448,6 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
debugDump();
#endif
} else {
#ifdef WANT_DEBUG
qCDebug(entities) << "USING NEW data from server!!! ****************";
debugDump();
@ -573,7 +571,12 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
READ_ENTITY_PROPERTY(PROP_USER_DATA, QString, setUserData);
if (args.bitstreamVersion >= VERSION_ENTITIES_HAVE_ACCELERATION) {
// we always accept the server's notion of simulatorID, so we fake overwriteLocalData as true
// before we try to READ_ENTITY_PROPERTY it
bool temp = overwriteLocalData;
overwriteLocalData = true;
READ_ENTITY_PROPERTY(PROP_SIMULATOR_ID, QUuid, updateSimulatorID);
overwriteLocalData = temp;
}
if (args.bitstreamVersion >= VERSION_ENTITIES_HAS_MARKETPLACE_ID) {
@ -616,20 +619,17 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
}
_lastSimulated = now;
}
}
auto nodeList = DependencyManager::get<NodeList>();
const QUuid& myNodeID = nodeList->getSessionUUID();
if (_simulatorID == myNodeID && !_simulatorID.isNull()) {
// the packet that produced this bitstream originally came from physics simulations performed by
// this node, so our version has to be newer than what the packet contained.
if (overwriteLocalData && _simulatorID == myNodeID && !_simulatorID.isNull()) {
// we own the simulation, so we keep our transform+velocities and remove any related dirty flags
// rather than accept the values in the packet
_position = savePosition;
_rotation = saveRotation;
// _velocity = saveVelocity;
// _angularVelocity = saveAngularVelocity;
// _gravity = saveGravity;
// _acceleration = saveAcceleration;
_velocity = saveVelocity;
_angularVelocity = saveAngularVelocity;
_dirtyFlags &= ~(EntityItem::DIRTY_TRANSFORM | EntityItem::DIRTY_VELOCITIES);
}
return bytesRead;
@ -949,40 +949,25 @@ bool EntityItem::setProperties(const EntityItemProperties& properties) {
SET_ENTITY_PROPERTY_FROM_PROPERTIES(name, setName);
if (somethingChanged) {
somethingChangedNotification(); // notify derived classes that something has changed
uint64_t now = usecTimestampNow();
#ifdef WANT_DEBUG
int elapsed = now - getLastEdited();
qCDebug(entities) << "EntityItem::setProperties() AFTER update... edited AGO=" << elapsed <<
"now=" << now << " getLastEdited()=" << getLastEdited();
#endif
if (_created != UNKNOWN_CREATED_TIME) {
setLastEdited(now);
somethingChangedNotification(); // notify derived classes that something has changed
if (_created == UNKNOWN_CREATED_TIME) {
_created = now;
}
if (getDirtyFlags() & (EntityItem::DIRTY_TRANSFORM | EntityItem::DIRTY_VELOCITIES)) {
// TODO: Andrew & Brad to discuss. Is this correct? Maybe it is. Need to think through all cases.
// anything that sets the transform or velocity must update _lastSimulated which is used
// for kinematic extrapolation (e.g. we want to extrapolate forward from this moment
// when position and/or velocity was changed).
_lastSimulated = now;
}
}
// timestamps
quint64 timestamp = properties.getCreated();
if (_created == UNKNOWN_CREATED_TIME && timestamp != UNKNOWN_CREATED_TIME) {
quint64 now = usecTimestampNow();
if (timestamp > now) {
timestamp = now;
}
_created = timestamp;
timestamp = properties.getLastEdited();
if (timestamp > now) {
timestamp = now;
} else if (timestamp < _created) {
timestamp = _created;
}
_lastEdited = timestamp;
}
return somethingChanged;
}

10
libraries/physics/src/EntityMotionState.cpp
View file

@ -132,7 +132,6 @@ void EntityMotionState::getWorldTransform(btTransform& worldTrans) const {
uint32_t thisStep = ObjectMotionState::getWorldSimulationStep();
float dt = (thisStep - _lastKinematicStep) * PHYSICS_ENGINE_FIXED_SUBSTEP;
_entity->simulateKinematicMotion(dt);
_entity->setLastSimulated(usecTimestampNow());
// bypass const-ness so we can remember the step
const_cast<EntityMotionState*>(this)->_lastKinematicStep = thisStep;
@ -401,13 +400,12 @@ void EntityMotionState::sendUpdate(OctreeEditPacketSender* packetSender, const Q
properties.setAcceleration(_serverAcceleration);
properties.setAngularVelocity(_serverAngularVelocity);
// we only update lastEdited when we're sending new physics data
quint64 lastSimulated = _entity->getLastSimulated();
_entity->setLastEdited(lastSimulated);
properties.setLastEdited(lastSimulated);
// set the LastEdited of the properties but NOT the entity itself
quint64 now = usecTimestampNow();
properties.setLastEdited(now);
#ifdef WANT_DEBUG
quint64 now = usecTimestampNow();
quint64 lastSimulated = _entity->getLastSimulated();
qCDebug(physics) << "EntityMotionState::sendUpdate()";
qCDebug(physics) << " EntityItemId:" << _entity->getEntityItemID()
<< "---------------------------------------------";