Method removeObject

physx/source/scenequery/src/SqExtendedBucketPruner.cpp:364–405

///////////////////////////////////////////////////////////////////// remove object

//////////////////////////////////////////////////////////////////////////
// remove object
bool ExtendedBucketPruner::removeObject(const PrunerPayload& object, PxU32 objectIndex, const PrunerPayload& swapObject,
	PxU32 swapObjectIndex, PxU32& timeStamp)
{
	ExtendedBucketPrunerMap::Entry dataEntry;
	
	// if object is not in tree of trees, it is in bucket pruner core
	if (!mExtendedBucketPrunerMap.erase(object, dataEntry))
	{
		// we need to call invalidateObjects, it might happen that the swapped object
		// does belong to the extended bucket pruner, in that case the objects index
		// needs to be swapped.
		// do not call additional bucket pruner swap, that does happen during remove
		swapIndex(objectIndex, swapObject, swapObjectIndex, false);
#if USE_INCREMENTAL_PRUNER
		return mPrunerCore.removeObject(objectIndex, swapObjectIndex, timeStamp);
#else
		return mPrunerCore.removeObject(object, timeStamp);
#endif
	}
	else
	{	
		const ExtendedBucketPrunerData& data = dataEntry.second;

		// mark tree nodes where objects belongs to
		AABBTree& tree = *mMergedTrees[data.mMergeIndex].mTree;
		PX_ASSERT(data.mSubTreeNode < tree.getNbNodes());
		// mark the merged tree for refit
		tree.markNodeForRefit(data.mSubTreeNode);
		PX_ASSERT(mMainTreeUpdateMap[data.mMergeIndex] < mMainTree->getNbNodes());
		// mark the main tree for refit
		mMainTree->markNodeForRefit(mMainTreeUpdateMap[data.mMergeIndex]);

		// call invalidate object to swap the object indices in the merged trees
		invalidateObject(data, objectIndex, swapObject, swapObjectIndex);		

		mTreesDirty = true;
	}
#if PX_DEBUG
	checkValidity();
#endif // PX_DEBUG
	return true;
}

//////////////////////////////////////////////////////////////////////////
// invalidate object