Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-20 11:45:36 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

added comments about recursion vs direct access to model items

Browse source
This commit is contained in:
ZappoMan 2014-06-19 22:32:24 -07:00
parent f50395f8db
commit 50f6c5a427
1 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
libraries/models/src/ModelTree.cpp
View file

@ -42,6 +42,7 @@ public:
QList<uint32_t> _idsToDelete;
};
// TODO: this operations needs to correctly set the markAsChanged for each of the octree elments
bool ModelTree::findAndDeleteOperation(OctreeElement* element, void* extraData) {
//qDebug() << "findAndDeleteOperation()";
@ -320,6 +321,10 @@ void ModelTree::deleteModel(const ModelItemID& modelID) {
if (modelID.isKnownID) {
FindAndDeleteModelsArgs args;
args._idsToDelete.push_back(modelID.id);
// NOTE: We need to do this with recursion, because we need to mark the
// path to get to the models as dirty, so that sending to any viewers
// will work correctly
recurseTreeWithOperation(findAndDeleteOperation, &args);
}
}
@ -385,6 +390,7 @@ void ModelTree::handleAddModelResponse(const QByteArray& packet) {
<< " getIsViewing()=" << getIsViewing();
}
lockForWrite();
// TODO: Switch this to use list of known model IDs....
recurseTreeWithOperation(findAndUpdateModelItemIDOperation, &args);
unlock();
}
@ -439,6 +445,7 @@ bool ModelTree::findNearPointOperation(OctreeElement* element, void* extraData)
const ModelItem* ModelTree::findClosestModel(glm::vec3 position, float targetRadius) {
FindNearPointArgs args = { position, targetRadius, false, NULL, FLT_MAX };
lockForRead();
// NOTE: This should use recursion, since this is a spatial operation
recurseTreeWithOperation(findNearPointOperation, &args);
unlock();
return args.closestModel;
@ -472,6 +479,7 @@ bool ModelTree::findInSphereOperation(OctreeElement* element, void* extraData) {
void ModelTree::findModels(const glm::vec3& center, float radius, QVector<const ModelItem*>& foundModels) {
FindAllNearPointArgs args = { center, radius };
lockForRead();
// NOTE: This should use recursion, since this is a spatial operation
recurseTreeWithOperation(findInSphereOperation, &args);
unlock();
// swap the two lists of model pointers instead of copy
@ -502,6 +510,7 @@ bool ModelTree::findInCubeOperation(OctreeElement* element, void* extraData) {
void ModelTree::findModels(const AACube& cube, QVector<ModelItem*> foundModels) {
FindModelsInCubeArgs args(cube);
lockForRead();
// NOTE: This should use recursion, since this is a spatial operation
recurseTreeWithOperation(findInCubeOperation, &args);
unlock();
// swap the two lists of model pointers instead of copy
@ -610,6 +619,7 @@ void ModelTree::update() {
lockForWrite();
_isDirty = true;
// TODO: could we manage this by iterating the known models map/hash? Would that be faster?
ModelTreeUpdateArgs args;
recurseTreeWithOperation(updateOperation, &args);
@ -766,7 +776,6 @@ void ModelTree::forgetModelsDeletedBefore(quint64 sinceTime) {
void ModelTree::processEraseMessage(const QByteArray& dataByteArray, const SharedNodePointer& sourceNode) {
const unsigned char* packetData = (const unsigned char*)dataByteArray.constData();
const unsigned char* dataAt = packetData;
size_t packetLength = dataByteArray.size();
@ -796,11 +805,13 @@ void ModelTree::processEraseMessage(const QByteArray& dataByteArray, const Share
memcpy(&modelID, dataAt, sizeof(modelID));
dataAt += sizeof(modelID);
processedBytes += sizeof(modelID);
args._idsToDelete.push_back(modelID);
}
// calling recurse to actually delete the models
// NOTE: We need to do this with recursion, because we need to mark the
// path to get to the models as dirty, so that sending to any viewers
// will work correctly
recurseTreeWithOperation(findAndDeleteOperation, &args);
}
}