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leverage COW for AvatarHash

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This commit is contained in:
Stephen Birarda 2015-11-19 15:43:29 -08:00
parent 5140a480a1
commit 6398a922c6
4 changed files with 9 additions and 17 deletions
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14
interface/src/avatar/AvatarManager.cpp
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@ -119,10 +119,10 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
PerformanceTimer perfTimer("otherAvatars");
// simulate avatars
QWriteLocker writeLock(&_hashLock);
auto hashCopy = _avatarHash;
AvatarHash::iterator avatarIterator = _avatarHash.begin();
while (avatarIterator != _avatarHash.end()) {
AvatarHash::iterator avatarIterator = hashCopy.begin();
while (avatarIterator != hashCopy.end()) {
auto avatar = std::dynamic_pointer_cast<Avatar>(avatarIterator.value());
if (avatar == _myAvatar || !avatar->isInitialized()) {
@ -130,9 +130,8 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
// DO NOT update or fade out uninitialized Avatars
++avatarIterator;
} else if (avatar->shouldDie()) {
auto removedAvatar = avatarIterator.value();
avatarIterator = _avatarHash.erase(avatarIterator);
handleRemovedAvatar(removedAvatar);
removeAvatar(avatarIterator.key());
++avatarIterator;
} else {
avatar->startUpdate();
avatar->simulate(deltaTime);
@ -140,8 +139,6 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
++avatarIterator;
}
}
writeLock.unlock();
// simulate avatar fades
simulateAvatarFades(deltaTime);
@ -329,6 +326,7 @@ void AvatarManager::handleCollisionEvents(const CollisionEvents& collisionEvents
}
void AvatarManager::updateAvatarPhysicsShape(Avatar* avatar) {
qDebug() << "Update physics state called for" << avatar;
AvatarMotionState* motionState = avatar->getMotionState();
if (motionState) {
motionState->addDirtyFlags(Simulation::DIRTY_SHAPE);

6
interface/src/avatar/MyAvatar.cpp
View file

@ -982,10 +982,8 @@ void MyAvatar::updateLookAtTargetAvatar() {
const float KEEP_LOOKING_AT_CURRENT_ANGLE_FACTOR = 1.3f;
const float GREATEST_LOOKING_AT_DISTANCE = 10.0f;
AvatarHash hash;
DependencyManager::get<AvatarManager>()->withAvatarHash([&] (const AvatarHash& locked) {
hash = locked; // make a shallow copy and operate on that, to minimize lock time
});
AvatarHash hash = DependencyManager::get<AvatarManager>()->getCopy();
foreach (const AvatarSharedPointer& avatarPointer, hash) {
auto avatar = static_pointer_cast<Avatar>(avatarPointer);
bool isCurrentTarget = avatar->getIsLookAtTarget();

4
libraries/avatars/src/AvatarHashMap.cpp
View file

@ -22,10 +22,6 @@ AvatarHashMap::AvatarHashMap() {
connect(DependencyManager::get<NodeList>().data(), &NodeList::uuidChanged, this, &AvatarHashMap::sessionUUIDChanged);
}
void AvatarHashMap::withAvatarHash(std::function<void(const AvatarHash& hash)> callback) {
QReadLocker locker(&_hashLock);
callback(_avatarHash);
}
bool AvatarHashMap::isAvatarInRange(const glm::vec3& position, const float range) {
QReadLocker locker(&_hashLock);
foreach(const AvatarSharedPointer& sharedAvatar, _avatarHash) {

2
libraries/avatars/src/AvatarHashMap.h
View file

@ -31,7 +31,7 @@ class AvatarHashMap : public QObject, public Dependency {
SINGLETON_DEPENDENCY
public:
void withAvatarHash(std::function<void(const AvatarHash& hash)>);
AvatarHash getCopy() { return _avatarHash; }
int size() { return _avatarHash.size(); }
signals: