Method onTick

deps/physx/physx/samples/samplelargeworld/ChunkLoader.cpp:554–642

}

void BackgroundLoader::onTick()
{
	//Use local queue here to minimize the lock time, prevent blocking loader thread.	
	std::vector<ChunkCommand> theCmdQueue;
	std::vector<DeferredLoadedRenderData> theLoadedRenderDataQueue;

	mQueueLock.lock();
	theCmdQueue = mChunkCmds;
	theLoadedRenderDataQueue = mLoadedRenderDataQueue;
	mLoadedRenderDataQueue.clear();
	mChunkCmds.clear();
	mQueueLock.unlock();
	
	size_t cmdQueueSize = theCmdQueue.size();
	if(cmdQueueSize == 0)
		return;
	
	//filter the same chunk with different commands
	for(PxU32 i = 0; i < cmdQueueSize; ++i)
	{
		ChunkCommand cmdQueue = theCmdQueue[i];
		
		bool isOutdatedCommand = false;
		for(PxU32 j = i + 1; j < cmdQueueSize && !isOutdatedCommand; ++j)
		{
			isOutdatedCommand = (cmdQueue.id == theCmdQueue[j].id);
		}
		
		if(isOutdatedCommand)
			continue;

		ChunkCommandType::Enum	type = cmdQueue.type;
		if(type == ChunkCommandType::eAdd)
		{
			addReadyChunkToScene(cmdQueue.id);	
		}
		else if(type == ChunkCommandType::eRemove)
		{
			destroyChunk(cmdQueue.id);
		}
	}

	Ps::Time localTimer;
	for(PxU32 i = 0; i < theLoadedRenderDataQueue.size(); i++)
	{
		DeferredLoadedRenderData& cq = theLoadedRenderDataQueue[i];
		RenderBaseActor* renderMesh = mSampleLargeWorld->createRenderMeshFromRawMesh( cq);

		//Link physic actor to render actor
		cq.shape->userData = renderMesh;
		
		{
			PxSceneReadLock scopedLock(mSampleLargeWorld->getActiveScene());
			renderMesh->setPhysicsShape(cq.shape, cq.shape->getActor());
			renderMesh->setEnableCameraCull(true);
			
			PxTriangleMeshGeometry geometry;
			cq.shape->getTriangleMeshGeometry(geometry);