Function blast

test/src/unit/MultithreadingTests.cpp:48–116

static void blast(std::set<NvBlastActor*>& actorsToDamage, GeneratorAsset* testAsset, GeneratorAsset::Vec3 localPos, float minRadius, float maxRadius, float compressiveDamage)
{
	std::vector<NvBlastChunkFractureData> chunkEvents; /* num lower-support chunks + bonds */
	std::vector<NvBlastBondFractureData> bondEvents; /* num lower-support chunks + bonds */
	chunkEvents.resize(testAsset->solverChunks.size());
	bondEvents.resize(testAsset->solverBonds.size());

	NvBlastFractureBuffers events = { static_cast<uint32_t>(bondEvents.size()), static_cast<uint32_t>(chunkEvents.size()), bondEvents.data(), chunkEvents.data() };

	std::vector<float> scratch(chunkEvents.size() + bondEvents.size(), 0.0f);

	std::vector<char> splitScratch;
	std::vector<NvBlastActor*> newActorsBuffer(testAsset->solverChunks.size());

	NvBlastExtRadialDamageDesc damage = {
		compressiveDamage,
		{ localPos.x, localPos.y, localPos.z },
		minRadius,
		maxRadius
	};

	NvBlastExtProgramParams programParams =
	{
		&damage,
		nullptr
	};

	NvBlastDamageProgram program = {
		NvBlastExtFalloffGraphShader,
		nullptr
	};

	size_t totalNewActorsCount = 0;
	for (std::set<NvBlastActor*>::iterator k = actorsToDamage.begin(); k != actorsToDamage.end();)
	{
		NvBlastActor* actor = *k;

		NvBlastActorGenerateFracture(&events, actor, program, &programParams, nullptr, nullptr);
		NvBlastActorApplyFracture(&events, actor, &events, nullptr, nullptr);

		bool removeActor = false;

		if (events.bondFractureCount + events.chunkFractureCount > 0)
		{
			NvBlastActorSplitEvent splitEvent;
			splitEvent.newActors = &newActorsBuffer.data()[totalNewActorsCount];
			uint32_t newActorSize = (uint32_t)(newActorsBuffer.size() - totalNewActorsCount);

			splitScratch.resize((size_t)NvBlastActorGetRequiredScratchForSplit(actor, nullptr));
			const size_t newActorsCount = NvBlastActorSplit(&splitEvent, actor, newActorSize, splitScratch.data(), nullptr, nullptr);
			totalNewActorsCount += newActorsCount;
			removeActor = splitEvent.deletedActor != NULL;
		}

		if (removeActor)
		{
			k = actorsToDamage.erase(k);
		}