EntityItemProperties convertLocationFromScriptSemantics(const EntityItemProperties& scriptSideProperties) { // convert position and rotation properties from world-space to local, unless localPosition and localRotation // are set. If they are set, they overwrite position and rotation. EntityItemProperties entitySideProperties = scriptSideProperties; bool success; // TODO -- handle velocity and angularVelocity if (scriptSideProperties.localPositionChanged()) { entitySideProperties.setPosition(scriptSideProperties.getLocalPosition()); } else if (scriptSideProperties.positionChanged()) { glm::vec3 localPosition = SpatiallyNestable::worldToLocal(entitySideProperties.getPosition(), entitySideProperties.getParentID(), entitySideProperties.getParentJointIndex(), success); entitySideProperties.setPosition(localPosition); } if (scriptSideProperties.localRotationChanged()) { entitySideProperties.setRotation(scriptSideProperties.getLocalRotation()); } else if (scriptSideProperties.rotationChanged()) { glm::quat localRotation = SpatiallyNestable::worldToLocal(entitySideProperties.getRotation(), entitySideProperties.getParentID(), entitySideProperties.getParentJointIndex(), success); entitySideProperties.setRotation(localRotation); } return entitySideProperties; }
EntityItemProperties convertLocationToScriptSemantics(const EntityItemProperties& entitySideProperties) { // In EntityTree code, properties.position and properties.rotation are relative to the parent. In javascript, // they are in world-space. The local versions are put into localPosition and localRotation and position and // rotation are converted from local to world space. EntityItemProperties scriptSideProperties = entitySideProperties; scriptSideProperties.setLocalPosition(entitySideProperties.getPosition()); scriptSideProperties.setLocalRotation(entitySideProperties.getRotation()); bool success; glm::vec3 worldPosition = SpatiallyNestable::localToWorld(entitySideProperties.getPosition(), entitySideProperties.getParentID(), entitySideProperties.getParentJointIndex(), success); glm::quat worldRotation = SpatiallyNestable::localToWorld(entitySideProperties.getRotation(), entitySideProperties.getParentID(), entitySideProperties.getParentJointIndex(), success); // TODO -- handle velocity and angularVelocity scriptSideProperties.setPosition(worldPosition); scriptSideProperties.setRotation(worldRotation); return scriptSideProperties; }
// TODO: Implement support for edit packets that can span an MTU sized buffer. We need to implement a mechanism for the // encodeEntityEditPacket() method to communicate the the caller which properties couldn't fit in the buffer. Similar // to how we handle this in the Octree streaming case. // // TODO: Right now, all possible properties for all subclasses are handled here. Ideally we'd prefer // to handle this in a more generic way. Allowing subclasses of EntityItem to register their properties // // TODO: There's a lot of repeated patterns in the code below to handle each property. It would be nice if the property // registration mechanism allowed us to collapse these repeated sections of code into a single implementation that // utilized the registration table to shorten up and simplify this code. // // TODO: Implement support for paged properties, spanning MTU, and custom properties // // TODO: Implement support for script and visible properties. // bool EntityItemProperties::encodeEntityEditPacket(PacketType command, EntityItemID id, const EntityItemProperties& properties, unsigned char* bufferOut, int sizeIn, int& sizeOut) { OctreePacketData ourDataPacket(false, sizeIn); // create a packetData object to add out packet details too. OctreePacketData* packetData = &ourDataPacket; // we want a pointer to this so we can use our APPEND_ENTITY_PROPERTY macro bool success = true; // assume the best OctreeElement::AppendState appendState = OctreeElement::COMPLETED; // assume the best sizeOut = 0; // TODO: We need to review how jurisdictions should be handled for entities. (The old Models and Particles code // didn't do anything special for jurisdictions, so we're keeping that same behavior here.) // // Always include the root octcode. This is only because the OctreeEditPacketSender will check these octcodes // to determine which server to send the changes to in the case of multiple jurisdictions. The root will be sent // to all servers. glm::vec3 rootPosition(0); float rootScale = 0.5f; unsigned char* octcode = pointToOctalCode(rootPosition.x, rootPosition.y, rootPosition.z, rootScale); success = packetData->startSubTree(octcode); delete[] octcode; // assuming we have rome to fit our octalCode, proceed... if (success) { // Now add our edit content details... bool isNewEntityItem = (id.id == NEW_ENTITY); // id // encode our ID as a byte count coded byte stream QByteArray encodedID = id.id.toRfc4122(); // NUM_BYTES_RFC4122_UUID // encode our ID as a byte count coded byte stream ByteCountCoded<quint32> tokenCoder; QByteArray encodedToken; // special case for handling "new" modelItems if (isNewEntityItem) { // encode our creator token as a byte count coded byte stream tokenCoder = id.creatorTokenID; encodedToken = tokenCoder; } // encode our type as a byte count coded byte stream ByteCountCoded<quint32> typeCoder = (quint32)properties.getType(); QByteArray encodedType = typeCoder; quint64 updateDelta = 0; // this is an edit so by definition, it's update is in sync ByteCountCoded<quint64> updateDeltaCoder = updateDelta; QByteArray encodedUpdateDelta = updateDeltaCoder; EntityPropertyFlags propertyFlags(PROP_LAST_ITEM); EntityPropertyFlags requestedProperties = properties.getChangedProperties(); EntityPropertyFlags propertiesDidntFit = requestedProperties; // TODO: we need to handle the multi-pass form of this, similar to how we handle entity data // // If we are being called for a subsequent pass at appendEntityData() that failed to completely encode this item, // then our modelTreeElementExtraEncodeData should include data about which properties we need to append. //if (modelTreeElementExtraEncodeData && modelTreeElementExtraEncodeData->includedItems.contains(getEntityItemID())) { // requestedProperties = modelTreeElementExtraEncodeData->includedItems.value(getEntityItemID()); //} LevelDetails entityLevel = packetData->startLevel(); // Last Edited quint64 always first, before any other details, which allows us easy access to adjusting this // timestamp for clock skew quint64 lastEdited = properties.getLastEdited(); bool successLastEditedFits = packetData->appendValue(lastEdited); bool successIDFits = packetData->appendValue(encodedID); if (isNewEntityItem && successIDFits) { successIDFits = packetData->appendValue(encodedToken); } bool successTypeFits = packetData->appendValue(encodedType); // NOTE: We intentionally do not send "created" times in edit messages. This is because: // 1) if the edit is to an existing entity, the created time can not be changed // 2) if the edit is to a new entity, the created time is the last edited time // TODO: Should we get rid of this in this in edit packets, since this has to always be 0? bool successLastUpdatedFits = packetData->appendValue(encodedUpdateDelta); int propertyFlagsOffset = packetData->getUncompressedByteOffset(); QByteArray encodedPropertyFlags = propertyFlags; int oldPropertyFlagsLength = encodedPropertyFlags.length(); bool successPropertyFlagsFits = packetData->appendValue(encodedPropertyFlags); int propertyCount = 0; bool headerFits = successIDFits && successTypeFits && successLastEditedFits && successLastUpdatedFits && successPropertyFlagsFits; int startOfEntityItemData = packetData->getUncompressedByteOffset(); if (headerFits) { bool successPropertyFits; propertyFlags -= PROP_LAST_ITEM; // clear the last item for now, we may or may not set it as the actual item // These items would go here once supported.... // PROP_PAGED_PROPERTY, // PROP_CUSTOM_PROPERTIES_INCLUDED, APPEND_ENTITY_PROPERTY(PROP_POSITION, appendPosition, properties.getPosition()); APPEND_ENTITY_PROPERTY(PROP_DIMENSIONS, appendValue, properties.getDimensions()); // NOTE: PROP_RADIUS obsolete APPEND_ENTITY_PROPERTY(PROP_ROTATION, appendValue, properties.getRotation()); APPEND_ENTITY_PROPERTY(PROP_MASS, appendValue, properties.getMass()); APPEND_ENTITY_PROPERTY(PROP_VELOCITY, appendValue, properties.getVelocity()); APPEND_ENTITY_PROPERTY(PROP_GRAVITY, appendValue, properties.getGravity()); APPEND_ENTITY_PROPERTY(PROP_DAMPING, appendValue, properties.getDamping()); APPEND_ENTITY_PROPERTY(PROP_LIFETIME, appendValue, properties.getLifetime()); APPEND_ENTITY_PROPERTY(PROP_SCRIPT, appendValue, properties.getScript()); APPEND_ENTITY_PROPERTY(PROP_COLOR, appendColor, properties.getColor()); APPEND_ENTITY_PROPERTY(PROP_MODEL_URL, appendValue, properties.getModelURL()); APPEND_ENTITY_PROPERTY(PROP_ANIMATION_URL, appendValue, properties.getAnimationURL()); APPEND_ENTITY_PROPERTY(PROP_ANIMATION_FPS, appendValue, properties.getAnimationFPS()); APPEND_ENTITY_PROPERTY(PROP_ANIMATION_FRAME_INDEX, appendValue, properties.getAnimationFrameIndex()); APPEND_ENTITY_PROPERTY(PROP_ANIMATION_PLAYING, appendValue, properties.getAnimationIsPlaying()); APPEND_ENTITY_PROPERTY(PROP_REGISTRATION_POINT, appendValue, properties.getRegistrationPoint()); APPEND_ENTITY_PROPERTY(PROP_ANGULAR_VELOCITY, appendValue, properties.getAngularVelocity()); APPEND_ENTITY_PROPERTY(PROP_ANGULAR_DAMPING, appendValue, properties.getAngularDamping()); APPEND_ENTITY_PROPERTY(PROP_VISIBLE, appendValue, properties.getVisible()); } if (propertyCount > 0) { int endOfEntityItemData = packetData->getUncompressedByteOffset(); encodedPropertyFlags = propertyFlags; int newPropertyFlagsLength = encodedPropertyFlags.length(); packetData->updatePriorBytes(propertyFlagsOffset, (const unsigned char*)encodedPropertyFlags.constData(), encodedPropertyFlags.length()); // if the size of the PropertyFlags shrunk, we need to shift everything down to front of packet. if (newPropertyFlagsLength < oldPropertyFlagsLength) { int oldSize = packetData->getUncompressedSize(); const unsigned char* modelItemData = packetData->getUncompressedData(propertyFlagsOffset + oldPropertyFlagsLength); int modelItemDataLength = endOfEntityItemData - startOfEntityItemData; int newEntityItemDataStart = propertyFlagsOffset + newPropertyFlagsLength; packetData->updatePriorBytes(newEntityItemDataStart, modelItemData, modelItemDataLength); int newSize = oldSize - (oldPropertyFlagsLength - newPropertyFlagsLength); packetData->setUncompressedSize(newSize); } else { assert(newPropertyFlagsLength == oldPropertyFlagsLength); // should not have grown } packetData->endLevel(entityLevel); } else { packetData->discardLevel(entityLevel); appendState = OctreeElement::NONE; // if we got here, then we didn't include the item } // If any part of the model items didn't fit, then the element is considered partial if (appendState != OctreeElement::COMPLETED) { // TODO: handle mechanism for handling partial fitting data! // add this item into our list for the next appendElementData() pass //modelTreeElementExtraEncodeData->includedItems.insert(getEntityItemID(), propertiesDidntFit); // for now, if it's not complete, it's not successful success = false; } } if (success) { packetData->endSubTree(); const unsigned char* finalizedData = packetData->getFinalizedData(); int finalizedSize = packetData->getFinalizedSize(); if (finalizedSize <= sizeIn) { memcpy(bufferOut, finalizedData, finalizedSize); sizeOut = finalizedSize; } else { qDebug() << "ERROR - encoded edit message doesn't fit in output buffer."; sizeOut = 0; success = false; } } else { packetData->discardSubTree(); sizeOut = 0; } return success; }