// protected
void EntitySimulation::sortEntitiesThatMoved() {
// NOTE: this is only for entities that have been moved by THIS EntitySimulation.
// External changes to entity position/shape are expected to be sorted outside of the EntitySimulation.
MovingEntitiesOperator moveOperator(_entityTree);
AACube domainBounds(glm::vec3((float)-HALF_TREE_SCALE), (float)TREE_SCALE);
SetOfEntities::iterator itemItr = _entitiesToSort.begin();
while (itemItr != _entitiesToSort.end()) {
EntityItemPointer entity = *itemItr;
// check to see if this movement has sent the entity outside of the domain.
bool success;
AACube newCube = entity->getQueryAACube(success);
if (success && !domainBounds.touches(newCube)) {
qCDebug(entities) << "Entity " << entity->getEntityItemID() << " moved out of domain bounds.";
itemItr = _entitiesToSort.erase(itemItr);
entity->die();
prepareEntityForDelete(entity);
} else {
moveOperator.addEntityToMoveList(entity, newCube);
++itemItr;
}
}
if (moveOperator.hasMovingEntities()) {
PerformanceTimer perfTimer("recurseTreeWithOperator");
_entityTree->recurseTreeWithOperator(&moveOperator);
}
_entitiesToSort.clear();
}
bool EntityTree::updateEntity(EntityItemPointer entity, const EntityItemProperties& properties, const SharedNodePointer& senderNode) {
EntityTreeElement* containingElement = getContainingElement(entity->getEntityItemID());
if (!containingElement) {
return false;
}
return updateEntityWithElement(entity, properties, containingElement, senderNode);
}
// protected
void EntitySimulation::sortEntitiesThatMoved() {
// NOTE: this is only for entities that have been moved by THIS EntitySimulation.
// External changes to entity position/shape are expected to be sorted outside of the EntitySimulation.
PerformanceTimer perfTimer("sortingEntities");
MovingEntitiesOperator moveOperator(_entityTree);
AACube domainBounds(glm::vec3(0.0f,0.0f,0.0f), (float)TREE_SCALE);
SetOfEntities::iterator itemItr = _entitiesToSort.begin();
while (itemItr != _entitiesToSort.end()) {
EntityItemPointer entity = *itemItr;
// check to see if this movement has sent the entity outside of the domain.
AACube newCube = entity->getMaximumAACube();
if (!domainBounds.touches(newCube)) {
qCDebug(entities) << "Entity " << entity->getEntityItemID() << " moved out of domain bounds.";
_entitiesToDelete.insert(entity);
_mortalEntities.remove(entity);
_entitiesToUpdate.remove(entity);
_simpleKinematicEntities.remove(entity);
removeEntityInternal(entity);
_allEntities.remove(entity);
entity->_simulated = false;
itemItr = _entitiesToSort.erase(itemItr);
} else {
moveOperator.addEntityToMoveList(entity, newCube);
++itemItr;
}
}
if (moveOperator.hasMovingEntities()) {
PerformanceTimer perfTimer("recurseTreeWithOperator");
_entityTree->recurseTreeWithOperator(&moveOperator);
}
_entitiesToSort.clear();
}
UpdateEntityOperator::UpdateEntityOperator(EntityTreePointer tree,
EntityTreeElementPointer containingElement,
EntityItemPointer existingEntity,
const AACube newQueryAACube) :
_tree(tree),
_existingEntity(existingEntity),
_containingElement(containingElement),
_containingElementCube(containingElement->getAACube()),
_entityItemID(existingEntity->getEntityItemID()),
_foundOld(false),
_foundNew(false),
_removeOld(false),
_changeTime(usecTimestampNow()),
_oldEntityCube(),
_newEntityCube(),
_wantDebug(false)
{
// caller must have verified existence of containingElement and oldEntity
assert(_containingElement && _existingEntity);
if (_wantDebug) {
qCDebug(entities) << "UpdateEntityOperator::UpdateEntityOperator() -----------------------------";
}
// Here we have a choice to make, do we want to "tight fit" the actual minimum for the
// entity into the the element, or do we want to use the entities "relaxed" bounds
// which can handle all potential rotations?
// the getMaximumAACube is the relaxed form.
_oldEntityCube = _existingEntity->getQueryAACube();
_oldEntityBox = _oldEntityCube.clamp((float)-HALF_TREE_SCALE, (float)HALF_TREE_SCALE); // clamp to domain bounds
_newEntityCube = newQueryAACube;
_newEntityBox = _newEntityCube.clamp((float)-HALF_TREE_SCALE, (float)HALF_TREE_SCALE); // clamp to domain bounds
// set oldElementBestFit true if the entity was in the correct element before this operator was run.
bool oldElementBestFit = _containingElement->bestFitBounds(_oldEntityBox);
// For some reason we've seen a case where the original containing element isn't a best fit for the old properties
// in this case we want to move it, even if the properties haven't changed.
if (!oldElementBestFit) {
_oldEntityBox = _existingEntity->getElement()->getAACube();
_removeOld = true; // our properties are going to move us, so remember this for later processing
if (_wantDebug) {
qCDebug(entities) << " **** UNUSUAL CASE **** not best fit.... **";
}
}
if (_wantDebug) {
qCDebug(entities) << " _entityItemID:" << _entityItemID;
qCDebug(entities) << " _containingElementCube:" << _containingElementCube;
qCDebug(entities) << " _oldEntityCube:" << _oldEntityCube;
qCDebug(entities) << " _oldEntityBox:" << _oldEntityBox;
qCDebug(entities) << " _newEntityCube:" << _newEntityCube;
qCDebug(entities) << " _newEntityBox:" << _newEntityBox;
qCDebug(entities) << "--------------------------------------------------------------------------";
}
}
/// Adds a new entity item to the tree
void EntityTree::postAddEntity(EntityItemPointer entity) {
assert(entity);
// check to see if we need to simulate this entity..
if (_simulation) {
_simulation->addEntity(entity);
}
_isDirty = true;
maybeNotifyNewCollisionSoundURL("", entity->getCollisionSoundURL());
emit addingEntity(entity->getEntityItemID());
}
QUuid EntityScriptingInterface::findClosestEntity(const glm::vec3& center, float radius) const {
EntityItemID result;
if (_entityTree) {
EntityItemPointer closestEntity;
_entityTree->withReadLock([&] {
closestEntity = _entityTree->findClosestEntity(center, radius);
});
if (closestEntity) {
result = closestEntity->getEntityItemID();
}
}
return result;
}
void EntitySimulation::changeEntity(EntityItemPointer entity) {
assert(entity);
if (!entity->_simulated) {
// This entity was either never added to the simulation or has been removed
// (probably for pending delete), so we don't want to keep a pointer to it
// on any internal lists.
return;
}
// Although it is not the responsibility of the EntitySimulation to sort the tree for EXTERNAL changes
// it IS responsibile for triggering deletes for entities that leave the bounds of the domain, hence
// we must check for that case here, however we rely on the change event to have set DIRTY_POSITION flag.
bool wasRemoved = false;
uint32_t dirtyFlags = entity->getDirtyFlags();
if (dirtyFlags & EntityItem::DIRTY_POSITION) {
AACube domainBounds(glm::vec3(0.0f,0.0f,0.0f), (float)TREE_SCALE);
AACube newCube = entity->getMaximumAACube();
if (!domainBounds.touches(newCube)) {
qCDebug(entities) << "Entity " << entity->getEntityItemID() << " moved out of domain bounds.";
_entitiesToDelete.insert(entity);
_mortalEntities.remove(entity);
_entitiesToUpdate.remove(entity);
_entitiesToSort.remove(entity);
_simpleKinematicEntities.remove(entity);
removeEntityInternal(entity);
entity->_simulated = false;
wasRemoved = true;
}
}
if (!wasRemoved) {
if (dirtyFlags & EntityItem::DIRTY_LIFETIME) {
if (entity->isMortal()) {
_mortalEntities.insert(entity);
quint64 expiry = entity->getExpiry();
if (expiry < _nextExpiry) {
_nextExpiry = expiry;
}
} else {
_mortalEntities.remove(entity);
}
entity->clearDirtyFlags(EntityItem::DIRTY_LIFETIME);
}
if (entity->needsToCallUpdate()) {
_entitiesToUpdate.insert(entity);
} else {
_entitiesToUpdate.remove(entity);
}
changeEntityInternal(entity);
}
}
RayToEntityIntersectionResult EntityScriptingInterface::findRayIntersectionWorker(const PickRay& ray,
Octree::lockType lockType,
bool precisionPicking) {
RayToEntityIntersectionResult result;
if (_entityTree) {
OctreeElementPointer element;
EntityItemPointer intersectedEntity = NULL;
result.intersects = _entityTree->findRayIntersection(ray.origin, ray.direction, element, result.distance, result.face,
result.surfaceNormal, (void**)&intersectedEntity, lockType, &result.accurate,
precisionPicking);
if (result.intersects && intersectedEntity) {
result.entityID = intersectedEntity->getEntityItemID();
result.properties = intersectedEntity->getProperties();
result.intersection = ray.origin + (ray.direction * result.distance);
}
}
return result;
}
bool EntityTree::updateEntityWithElement(EntityItemPointer entity, const EntityItemProperties& origProperties,
EntityTreeElementPointer containingElement, const SharedNodePointer& senderNode) {
EntityItemProperties properties = origProperties;
bool allowLockChange;
QUuid senderID;
if (senderNode.isNull()) {
auto nodeList = DependencyManager::get<NodeList>();
allowLockChange = nodeList->getThisNodeCanAdjustLocks();
senderID = nodeList->getSessionUUID();
} else {
allowLockChange = senderNode->getCanAdjustLocks();
senderID = senderNode->getUUID();
}
if (!allowLockChange && (entity->getLocked() != properties.getLocked())) {
qCDebug(entities) << "Refusing disallowed lock adjustment.";
return false;
}
// enforce support for locked entities. If an entity is currently locked, then the only
// property we allow you to change is the locked property.
if (entity->getLocked()) {
if (properties.lockedChanged()) {
bool wantsLocked = properties.getLocked();
if (!wantsLocked) {
EntityItemProperties tempProperties;
tempProperties.setLocked(wantsLocked);
UpdateEntityOperator theOperator(getThisPointer(), containingElement, entity, tempProperties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
}
}
} else {
if (getIsServer()) {
bool simulationBlocked = !entity->getSimulatorID().isNull();
if (properties.simulationOwnerChanged()) {
QUuid submittedID = properties.getSimulationOwner().getID();
// a legit interface will only submit their own ID or NULL:
if (submittedID.isNull()) {
if (entity->getSimulatorID() == senderID) {
// We only allow the simulation owner to clear their own simulationID's.
simulationBlocked = false;
properties.clearSimulationOwner(); // clear everything
}
// else: We assume the sender really did believe it was the simulation owner when it sent
} else if (submittedID == senderID) {
// the sender is trying to take or continue ownership
if (entity->getSimulatorID().isNull()) {
// the sender it taking ownership
properties.promoteSimulationPriority(RECRUIT_SIMULATION_PRIORITY);
simulationBlocked = false;
} else if (entity->getSimulatorID() == senderID) {
// the sender is asserting ownership
simulationBlocked = false;
} else {
// the sender is trying to steal ownership from another simulator
// so we apply the rules for ownership change:
// (1) higher priority wins
// (2) equal priority wins if ownership filter has expired except...
uint8_t oldPriority = entity->getSimulationPriority();
uint8_t newPriority = properties.getSimulationOwner().getPriority();
if (newPriority > oldPriority ||
(newPriority == oldPriority && properties.getSimulationOwner().hasExpired())) {
simulationBlocked = false;
}
}
} else {
// the entire update is suspect --> ignore it
return false;
}
} else {
simulationBlocked = senderID != entity->getSimulatorID();
}
if (simulationBlocked) {
// squash ownership and physics-related changes.
properties.setSimulationOwnerChanged(false);
properties.setPositionChanged(false);
properties.setRotationChanged(false);
properties.setVelocityChanged(false);
properties.setAngularVelocityChanged(false);
properties.setAccelerationChanged(false);
if (wantTerseEditLogging()) {
qCDebug(entities) << senderNode->getUUID() << "physical edits suppressed";
}
}
}
// else client accepts what the server says
QString entityScriptBefore = entity->getScript();
quint64 entityScriptTimestampBefore = entity->getScriptTimestamp();
QString collisionSoundURLBefore = entity->getCollisionSoundURL();
uint32_t preFlags = entity->getDirtyFlags();
UpdateEntityOperator theOperator(getThisPointer(), containingElement, entity, properties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
uint32_t newFlags = entity->getDirtyFlags() & ~preFlags;
if (newFlags) {
if (_simulation) {
if (newFlags & DIRTY_SIMULATION_FLAGS) {
_simulation->changeEntity(entity);
}
} else {
// normally the _simulation clears ALL updateFlags, but since there is none we do it explicitly
entity->clearDirtyFlags();
}
}
QString entityScriptAfter = entity->getScript();
quint64 entityScriptTimestampAfter = entity->getScriptTimestamp();
bool reload = entityScriptTimestampBefore != entityScriptTimestampAfter;
if (entityScriptBefore != entityScriptAfter || reload) {
emitEntityScriptChanging(entity->getEntityItemID(), reload); // the entity script has changed
}
maybeNotifyNewCollisionSoundURL(collisionSoundURLBefore, entity->getCollisionSoundURL());
}
// TODO: this final containingElement check should eventually be removed (or wrapped in an #ifdef DEBUG).
containingElement = getContainingElement(entity->getEntityItemID());
if (!containingElement) {
qCDebug(entities) << "UNEXPECTED!!!! after updateEntity() we no longer have a containing element??? entityID="
<< entity->getEntityItemID();
return false;
}
return true;
}
bool EntityTree::updateEntityWithElement(EntityItemPointer entity, const EntityItemProperties& origProperties,
EntityTreeElement* containingElement, const SharedNodePointer& senderNode) {
EntityItemProperties properties = origProperties;
bool allowLockChange;
QUuid senderID;
if (senderNode.isNull()) {
auto nodeList = DependencyManager::get<NodeList>();
allowLockChange = nodeList->getThisNodeCanAdjustLocks();
senderID = nodeList->getSessionUUID();
} else {
allowLockChange = senderNode->getCanAdjustLocks();
senderID = senderNode->getUUID();
}
if (!allowLockChange && (entity->getLocked() != properties.getLocked())) {
qCDebug(entities) << "Refusing disallowed lock adjustment.";
return false;
}
// enforce support for locked entities. If an entity is currently locked, then the only
// property we allow you to change is the locked property.
if (entity->getLocked()) {
if (properties.lockedChanged()) {
bool wantsLocked = properties.getLocked();
if (!wantsLocked) {
EntityItemProperties tempProperties;
tempProperties.setLocked(wantsLocked);
UpdateEntityOperator theOperator(this, containingElement, entity, tempProperties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
}
}
} else {
if (getIsServer()) {
bool simulationBlocked = !entity->getSimulatorID().isNull();
if (properties.simulatorIDChanged()) {
QUuid submittedID = properties.getSimulatorID();
// a legit interface will only submit their own ID or NULL:
if (submittedID.isNull()) {
if (entity->getSimulatorID() == senderID) {
// We only allow the simulation owner to clear their own simulationID's.
simulationBlocked = false;
}
// else: We assume the sender really did believe it was the simulation owner when it sent
} else if (submittedID == senderID) {
// the sender is trying to take or continue ownership
if (entity->getSimulatorID().isNull() || entity->getSimulatorID() == senderID) {
simulationBlocked = false;
} else {
// the sender is trying to steal ownership from another simulator
// so we apply the ownership change filter
if (usecTimestampNow() - entity->getSimulatorIDChangedTime() > SIMULATOR_CHANGE_LOCKOUT_PERIOD) {
simulationBlocked = false;
}
}
} else {
// the entire update is suspect --> ignore it
return false;
}
}
if (simulationBlocked) {
// squash the physics-related changes.
properties.setSimulatorIDChanged(false);
properties.setPositionChanged(false);
properties.setRotationChanged(false);
}
}
// else client accepts what the server says
QString entityScriptBefore = entity->getScript();
QString collisionSoundURLBefore = entity->getCollisionSoundURL();
uint32_t preFlags = entity->getDirtyFlags();
UpdateEntityOperator theOperator(this, containingElement, entity, properties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
uint32_t newFlags = entity->getDirtyFlags() & ~preFlags;
if (newFlags) {
if (_simulation) {
if (newFlags & DIRTY_SIMULATION_FLAGS) {
_simulation->lock();
_simulation->changeEntity(entity);
_simulation->unlock();
}
} else {
// normally the _simulation clears ALL updateFlags, but since there is none we do it explicitly
entity->clearDirtyFlags();
}
}
QString entityScriptAfter = entity->getScript();
if (entityScriptBefore != entityScriptAfter) {
emitEntityScriptChanging(entity->getEntityItemID()); // the entity script has changed
}
maybeNotifyNewCollisionSoundURL(collisionSoundURLBefore, entity->getCollisionSoundURL());
}
// TODO: this final containingElement check should eventually be removed (or wrapped in an #ifdef DEBUG).
containingElement = getContainingElement(entity->getEntityItemID());
if (!containingElement) {
qCDebug(entities) << "UNEXPECTED!!!! after updateEntity() we no longer have a containing element??? entityID="
<< entity->getEntityItemID();
return false;
}
return true;
}
OctreeElement::AppendState EntityTreeElement::appendElementData(OctreePacketData* packetData,
EncodeBitstreamParams& params) const {
OctreeElement::AppendState appendElementState = OctreeElement::COMPLETED; // assume the best...
// first, check the params.extraEncodeData to see if there's any partial re-encode data for this element
OctreeElementExtraEncodeData* extraEncodeData = params.extraEncodeData;
EntityTreeElementExtraEncodeData* entityTreeElementExtraEncodeData = NULL;
bool hadElementExtraData = false;
if (extraEncodeData && extraEncodeData->contains(this)) {
entityTreeElementExtraEncodeData =
static_cast<EntityTreeElementExtraEncodeData*>(extraEncodeData->value(this));
hadElementExtraData = true;
} else {
// if there wasn't one already, then create one
entityTreeElementExtraEncodeData = new EntityTreeElementExtraEncodeData();
entityTreeElementExtraEncodeData->elementCompleted = !hasContent();
for (int i = 0; i < NUMBER_OF_CHILDREN; i++) {
EntityTreeElementPointer child = getChildAtIndex(i);
if (!child) {
entityTreeElementExtraEncodeData->childCompleted[i] = true; // if no child exists, it is completed
} else {
if (child->hasEntities()) {
entityTreeElementExtraEncodeData->childCompleted[i] = false;
} else {
// if the child doesn't have enities, it is completed
entityTreeElementExtraEncodeData->childCompleted[i] = true;
}
}
}
forEachEntity([&](EntityItemPointer entity) {
entityTreeElementExtraEncodeData->entities.insert(entity->getEntityItemID(), entity->getEntityProperties(params));
});
}
//assert(extraEncodeData);
//assert(extraEncodeData->contains(this));
//entityTreeElementExtraEncodeData = static_cast<EntityTreeElementExtraEncodeData*>(extraEncodeData->value(this));
LevelDetails elementLevel = packetData->startLevel();
// write our entities out... first determine which of the entities are in view based on our params
uint16_t numberOfEntities = 0;
uint16_t actualNumberOfEntities = 0;
int numberOfEntitiesOffset = 0;
withReadLock([&] {
QVector<uint16_t> indexesOfEntitiesToInclude;
// It's possible that our element has been previous completed. In this case we'll simply not include any of our
// entities for encoding. This is needed because we encode the element data at the "parent" level, and so we
// need to handle the case where our sibling elements need encoding but we don't.
if (!entityTreeElementExtraEncodeData->elementCompleted) {
for (uint16_t i = 0; i < _entityItems.size(); i++) {
EntityItemPointer entity = _entityItems[i];
bool includeThisEntity = true;
if (!params.forceSendScene && entity->getLastChangedOnServer() < params.lastViewFrustumSent) {
includeThisEntity = false;
}
if (hadElementExtraData) {
includeThisEntity = includeThisEntity &&
entityTreeElementExtraEncodeData->entities.contains(entity->getEntityItemID());
}
if (includeThisEntity && params.viewFrustum) {
// we want to use the maximum possible box for this, so that we don't have to worry about the nuance of
// simulation changing what's visible. consider the case where the entity contains an angular velocity
// the entity may not be in view and then in view a frame later, let the client side handle it's view
// frustum culling on rendering.
bool success;
AACube entityCube = entity->getQueryAACube(success);
if (!success || !params.viewFrustum->cubeIntersectsKeyhole(entityCube)) {
includeThisEntity = false; // out of view, don't include it
} else {
// Check the size of the entity, it's possible that a "too small to see" entity is included in a
// larger octree cell because of its position (for example if it crosses the boundary of a cell it
// pops to the next higher cell. So we want to check to see that the entity is large enough to be seen
// before we consider including it.
success = true;
// we can't cull a parent-entity by its dimensions because the child may be larger. we need to
// avoid sending details about a child but not the parent. the parent's queryAACube should have
// been adjusted to encompass the queryAACube of the child.
AABox entityBounds = entity->hasChildren() ? AABox(entityCube) : entity->getAABox(success);
if (!success) {
// if this entity is a child of an avatar, the entity-server wont be able to determine its
// AABox. If this happens, fall back to the queryAACube.
entityBounds = AABox(entityCube);
}
auto renderAccuracy = params.viewFrustum->calculateRenderAccuracy(entityBounds,
params.octreeElementSizeScale,
params.boundaryLevelAdjust);
if (renderAccuracy <= 0.0f) {
includeThisEntity = false; // too small, don't include it
#ifdef WANT_LOD_DEBUGGING
qDebug() << "skipping entity - TOO SMALL - \n"
<< "......id:" << entity->getID() << "\n"
<< "....name:" << entity->getName() << "\n"
<< "..bounds:" << entityBounds << "\n"
<< "....cell:" << getAACube();
#endif
}
}
}
if (includeThisEntity) {
#ifdef WANT_LOD_DEBUGGING
qDebug() << "including entity - \n"
<< "......id:" << entity->getID() << "\n"
<< "....name:" << entity->getName() << "\n"
<< "....cell:" << getAACube();
#endif
indexesOfEntitiesToInclude << i;
numberOfEntities++;
} else {
// if the extra data included this entity, and we've decided to not include the entity, then
// we can treat it as if it was completed.
entityTreeElementExtraEncodeData->entities.remove(entity->getEntityItemID());
}
}
}
numberOfEntitiesOffset = packetData->getUncompressedByteOffset();
bool successAppendEntityCount = packetData->appendValue(numberOfEntities);
if (successAppendEntityCount) {
foreach(uint16_t i, indexesOfEntitiesToInclude) {
EntityItemPointer entity = _entityItems[i];
LevelDetails entityLevel = packetData->startLevel();
OctreeElement::AppendState appendEntityState = entity->appendEntityData(packetData,
params, entityTreeElementExtraEncodeData);
// If none of this entity data was able to be appended, then discard it
// and don't include it in our entity count
if (appendEntityState == OctreeElement::NONE) {
packetData->discardLevel(entityLevel);
} else {
// If either ALL or some of it got appended, then end the level (commit it)
// and include the entity in our final count of entities
packetData->endLevel(entityLevel);
actualNumberOfEntities++;
}
// If the entity item got completely appended, then we can remove it from the extra encode data
if (appendEntityState == OctreeElement::COMPLETED) {
entityTreeElementExtraEncodeData->entities.remove(entity->getEntityItemID());
}
// If any part of the entity items didn't fit, then the element is considered partial
// NOTE: if the entity item didn't fit or only partially fit, then the entity item should have
// added itself to the extra encode data.
if (appendEntityState != OctreeElement::COMPLETED) {
appendElementState = OctreeElement::PARTIAL;
}
}
} else {
UpdateEntityOperator::UpdateEntityOperator(EntityTreePointer tree,
EntityTreeElementPointer containingElement,
EntityItemPointer existingEntity,
const EntityItemProperties& properties) :
_tree(tree),
_existingEntity(existingEntity),
_containingElement(containingElement),
_containingElementCube(containingElement->getAACube()),
_properties(properties),
_entityItemID(existingEntity->getEntityItemID()),
_foundOld(false),
_foundNew(false),
_removeOld(false),
_dontMove(false), // assume we'll be moving
_changeTime(usecTimestampNow()),
_oldEntityCube(),
_newEntityCube(),
_wantDebug(false)
{
// caller must have verified existence of containingElement and oldEntity
assert(_containingElement && _existingEntity);
if (_wantDebug) {
qCDebug(entities) << "UpdateEntityOperator::UpdateEntityOperator() -----------------------------";
}
// Here we have a choice to make, do we want to "tight fit" the actual minimum for the
// entity into the the element, or do we want to use the entities "relaxed" bounds
// which can handle all potential rotations?
// the getMaximumAACube is the relaxed form.
_oldEntityCube = _existingEntity->getMaximumAACube();
_oldEntityBox = _oldEntityCube.clamp((float)-HALF_TREE_SCALE, (float)HALF_TREE_SCALE); // clamp to domain bounds
// If the old properties doesn't contain the properties required to calculate a bounding box,
// get them from the existing entity. Registration point is required to correctly calculate
// the bounding box.
if (!_properties.registrationPointChanged()) {
_properties.setRegistrationPoint(_existingEntity->getRegistrationPoint());
}
// If the new properties has position OR dimension changes, but not both, we need to
// get the old property value and set it in our properties in order for our bounds
// calculations to work.
if (_properties.containsPositionChange() && !_properties.containsDimensionsChange()) {
glm::vec3 oldDimensions= _existingEntity->getDimensions();
_properties.setDimensions(oldDimensions);
if (_wantDebug) {
qCDebug(entities) << " ** setting properties dimensions - had position change, no dimension change **";
}
}
if (!_properties.containsPositionChange() && _properties.containsDimensionsChange()) {
glm::vec3 oldPosition= _existingEntity->getPosition();
_properties.setPosition(oldPosition);
if (_wantDebug) {
qCDebug(entities) << " ** setting properties position - had dimensions change, no position change **";
}
}
// If our new properties don't have bounds details (no change to position, etc) or if this containing element would
// be the best fit for our new properties, then just do the new portion of the store pass, since the change path will
// be the same for both parts of the update
bool oldElementBestFit = _containingElement->bestFitBounds(_properties);
// if we don't have bounds properties, then use our old clamped box to determine best fit
if (!_properties.containsBoundsProperties()) {
oldElementBestFit = _containingElement->bestFitBounds(_oldEntityBox);
if (_wantDebug) {
qCDebug(entities) << " ** old Element best fit - no dimensions change, no position change **";
}
}
// For some reason we've seen a case where the original containing element isn't a best fit for the old properties
// in this case we want to move it, even if the properties haven't changed.
if (!_properties.containsBoundsProperties() && !oldElementBestFit) {
_newEntityCube = _oldEntityCube;
_removeOld = true; // our properties are going to move us, so remember this for later processing
if (_wantDebug) {
qCDebug(entities) << " **** UNUSUAL CASE **** no changes, but not best fit... consider it a move.... **";
}
} else if (!_properties.containsBoundsProperties() || oldElementBestFit) {
_foundOld = true;
_newEntityCube = _oldEntityCube;
_dontMove = true;
if (_wantDebug) {
qCDebug(entities) << " **** TYPICAL NO MOVE CASE ****";
qCDebug(entities) << " _properties.containsBoundsProperties():" << _properties.containsBoundsProperties();
qCDebug(entities) << " oldElementBestFit:" << oldElementBestFit;
}
} else {
_newEntityCube = _properties.getMaximumAACube();
_removeOld = true; // our properties are going to move us, so remember this for later processing
if (_wantDebug) {
qCDebug(entities) << " **** TYPICAL MOVE CASE ****";
}
}
_newEntityBox = _newEntityCube.clamp((float)-HALF_TREE_SCALE, (float)HALF_TREE_SCALE); // clamp to domain bounds
if (_wantDebug) {
qCDebug(entities) << " _entityItemID:" << _entityItemID;
qCDebug(entities) << " _containingElementCube:" << _containingElementCube;
qCDebug(entities) << " _oldEntityCube:" << _oldEntityCube;
qCDebug(entities) << " _oldEntityBox:" << _oldEntityBox;
qCDebug(entities) << " _newEntityCube:" << _newEntityCube;
qCDebug(entities) << " _newEntityBox:" << _newEntityBox;
qCDebug(entities) << "--------------------------------------------------------------------------";
}
}
void MovingEntitiesOperator::addEntityToMoveList(EntityItemPointer entity, const AACube& newCube) {
EntityTreeElementPointer oldContainingElement = entity->getElement();
AABox newCubeClamped = newCube.clamp((float)-HALF_TREE_SCALE, (float)HALF_TREE_SCALE);
if (_wantDebug) {
qCDebug(entities) << "MovingEntitiesOperator::addEntityToMoveList() -----------------------------";
qCDebug(entities) << " newCube:" << newCube;
qCDebug(entities) << " newCubeClamped:" << newCubeClamped;
if (oldContainingElement) {
qCDebug(entities) << " oldContainingElement:" << oldContainingElement->getAACube();
qCDebug(entities) << " oldContainingElement->bestFitBounds(newCubeClamped):"
<< oldContainingElement->bestFitBounds(newCubeClamped);
} else {
qCDebug(entities) << " WARNING NO OLD CONTAINING ELEMENT for entity" << entity->getEntityItemID();
}
}
if (!oldContainingElement) {
return; // bail without adding.
}
// If the original containing element is the best fit for the requested newCube locations then
// we don't actually need to add the entity for moving and we can short circuit all this work
if (!oldContainingElement->bestFitBounds(newCubeClamped)) {
// check our tree, to determine if this entity is known
EntityToMoveDetails details;
details.oldContainingElement = oldContainingElement;
details.oldContainingElementCube = oldContainingElement->getAACube();
details.entity = entity;
details.oldFound = false;
details.newFound = false;
details.newCube = newCube;
details.newCubeClamped = newCubeClamped;
_entitiesToMove << details;
_lookingCount++;
if (_wantDebug) {
qCDebug(entities) << "MovingEntitiesOperator::addEntityToMoveList() -----------------------------";
qCDebug(entities) << " details.entity:" << details.entity->getEntityItemID();
qCDebug(entities) << " details.oldContainingElementCube:" << details.oldContainingElementCube;
qCDebug(entities) << " details.newCube:" << details.newCube;
qCDebug(entities) << " details.newCubeClamped:" << details.newCubeClamped;
qCDebug(entities) << " _lookingCount:" << _lookingCount;
qCDebug(entities) << "--------------------------------------------------------------------------";
}
} else {
if (_wantDebug) {
qCDebug(entities) << " oldContainingElement->bestFitBounds(newCubeClamped) IS BEST FIT... NOTHING TO DO";
}
}
if (_wantDebug) {
qCDebug(entities) << "--------------------------------------------------------------------------";
}
}
