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cleanup/optimization of Octree::readElementData()

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This commit is contained in:
Andrew Meadows 2014-11-17 16:39:26 -08:00
parent 971804b98e
commit 114364e37a
1 changed files with 15 additions and 25 deletions
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40
libraries/octree/src/Octree.cpp
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@ -289,36 +289,26 @@ int Octree::readElementData(OctreeElement* destinationElement, const unsigned ch
for (int i = 0; i < NUMBER_OF_CHILDREN; i++) {
// check the colors mask to see if we have a child to color in
if (oneAtBit(colorInPacketMask, i)) {
// create the child if it doesn't exist
if (!destinationElement->getChildAtIndex(i)) {
destinationElement->addChildAtIndex(i);
if (destinationElement->isDirty()) {
_isDirty = true;
}
}
// addChildAtIndex() should actually be called getOrAddChildAtIndex().
// When it adds the child it automatically sets the detinationElement dirty.
OctreeElement* childElementAt = destinationElement->addChildAtIndex(i);
OctreeElement* childElementAt = destinationElement->getChildAtIndex(i);
bool nodeIsDirty = false;
if (childElementAt) {
int childElementDataRead = childElementAt->readElementDataFromBuffer(nodeData + bytesRead, bytesLeftToRead, args);
childElementAt->setSourceUUID(args.sourceUUID);
bytesRead += childElementDataRead;
bytesLeftToRead -= childElementDataRead;
int childElementDataRead = childElementAt->readElementDataFromBuffer(nodeData + bytesRead, bytesLeftToRead, args);
childElementAt->setSourceUUID(args.sourceUUID);
bytesRead += childElementDataRead;
bytesLeftToRead -= childElementDataRead;
// if we had a local version of the element already, it's possible that we have it already but
// with the same color data, so this won't count as a change. To address this we check the following
if (!childElementAt->isDirty() && childElementAt->getShouldRender() && !childElementAt->isRendered()) {
childElementAt->setDirtyBit(); // force dirty!
}
nodeIsDirty = childElementAt->isDirty();
}
if (nodeIsDirty) {
// It's possible that we already had this version of element data, in which case the unpacking of the data
// wouldn't flag childElementAt as dirty, so we manually flag it here... if the element is to be rendered.
if (childElementAt->getShouldRender() && !childElementAt->isRendered()) {
childElementAt->setDirtyBit(); // force dirty!
_isDirty = true;
}
}
if (destinationElement->isDirty()) {
_isDirty = true;
}
}
unsigned char childrenInTreeMask = ALL_CHILDREN_ASSUMED_TO_EXIST;