Method removeObjects

physx/source/scenequery/src/SqAABBPruner.cpp:204–256

}

void AABBPruner::removeObjects(const PrunerHandle* handles, PxU32 count)
{
	PX_PROFILE_ZONE("SceneQuery.prunerRemoveObjects", mContextID);

	if(!count)
		return;

	mUncommittedChanges = true;

	for(PxU32 i=0; i<count; i++)
	{
		const PrunerHandle h = handles[i];
		// copy the payload before removing it since we need to know the payload to remove it from the bucket pruner
		const PrunerPayload removedPayload = mPool.getPayload(h);
		const PoolIndex poolIndex = mPool.getIndex(h); // save the pool index for removed object
		const PoolIndex poolRelocatedLastIndex = mPool.removeObject(h); // save the lastIndex returned by removeObject
		if(mIncrementalRebuild && mAABBTree)
		{
			mNeedsNewTree = true;

			const TreeNodeIndex treeNodeIndex = mTreeMap[poolIndex]; // already removed from pool but still in tree map
			const PrunerPayload swappedPayload = mPool.getObjects()[poolIndex];
			if(treeNodeIndex!=INVALID_NODE_ID) // can be invalid if removed
			{
				mAABBTree->markNodeForRefit(treeNodeIndex); // mark the spot as blank
				mBucketPruner.swapIndex(poolIndex, swappedPayload, poolRelocatedLastIndex);	// if swapped index is in bucket pruner
			}
			else
			{
				PX_ASSERT(treeNodeIndex==INVALID_PRUNERHANDLE);
				PxU32 timeStamp;				
				bool status = mBucketPruner.removeObject(removedPayload, poolIndex, swappedPayload, poolRelocatedLastIndex, timeStamp);
				PX_ASSERT(status);
				PX_UNUSED(status);
			}

			mTreeMap.invalidate(poolIndex, poolRelocatedLastIndex, *mAABBTree);
			if(mNewTree)
				mNewTreeFixups.pushBack(NewTreeFixup(poolIndex, poolRelocatedLastIndex));
		}
	}

	if (mPool.getNbActiveObjects()==0)
	{
		// this is just to make sure we release all the internal data once all the objects are out of the pruner
		// since this is the only place we know that and we don't want to keep memory reserved
		release();

		// Pruner API requires a commit before the next query, even if we ended up removing the entire tree here. This
		// forces that to happen.
		mUncommittedChanges = true;
	}
}

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/**