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comments explaining horrible code

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danteruiz 2019-02-12 11:45:08 -08:00
parent 50dd865bdc
commit fdfb9196d3
1 changed files with 12 additions and 0 deletions
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12
interface/src/avatar/OtherAvatar.cpp
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@ -447,6 +447,10 @@ void OtherAvatar::handleChangedAvatarEntityData() {
EntityItemProperties properties;
int32_t bytesLeftToRead = data.size();
unsigned char* dataAt = (unsigned char*)(data.data());
// FIXME: This function will cause unintented changes in SpaillyNestable
// E.g overriding the ID index of an exisiting entity to temporary entity
// in the following map QHash<QUuid, SpatiallyNestableWeakPointer> _children;
// Andrew Meadows will address this issue
if (!properties.constructFromBuffer(dataAt, bytesLeftToRead)) {
// properties are corrupt
continue;
@ -489,6 +493,14 @@ void OtherAvatar::handleChangedAvatarEntityData() {
bool success = true;
if (entity) {
QUuid oldParentID = entity->getParentID();
// Since has overwrtiiten the back pointer
// from the parent children map (see comment for function call above),
// we need to for reset the back pointer in the map correctly by setting the parentID, but
// since the parentID of the entity has not changed we first need to set it some ither ID,
// then set the the original ID for the changes to take effect
// TODO: This is a horrible hack and once properties.constructFromBuffer no longer causes
// side effects...remove the following three lines
const QUuid NULL_ID = QUuid("{00000000-0000-0000-0000-000000000005}");
entity->setParentID(NULL_ID);
entity->setParentID(oldParentID);