Method BatchRaycasts

PEEL/Physics/PINT_Opcode1_3/PINT_Opcode13.cpp:340–503

}

udword Opcode13Pint::BatchRaycasts(PintSQThreadContext context, udword nb, PintRaycastHit* dest, const PintRaycastData* raycasts)
{
	AllocSwitch _;

	ASSERT(mSceneTree);

	if(mSceneTree)
	{
		SQThreadContext* C = (SQThreadContext*)context;
		Container& mBoxIndices = C->mBoxIndices;

		RayCollider SceneRC;
		SceneRC.SetFirstContact(false);
		SceneRC.SetTemporalCoherence(false);
		SceneRC.SetPrimitiveTests(true);

		CollisionFace Memory;
		CollisionFaces CF;
		CF.InitSharedBuffers(sizeof(CollisionFace)/sizeof(udword), (udword*)&Memory);

		RayCollider RC;
		RC.SetFirstContact(false);
		RC.SetTemporalCoherence(false);
		RC.SetPrimitiveTests(true);
		RC.SetCulling(true);
		RC.SetClosestHit(true);
		RC.SetDestination(&CF);

		udword NbHits = 0;
		while(nb--)
		{
			const Ray& CurrentRay = *reinterpret_cast<const Ray*>(&raycasts->mOrigin.x);

			SceneRC.SetMaxDist(raycasts->mMaxDist);
			mBoxIndices.Reset();
			if(SceneRC.Collide(CurrentRay, mSceneTree, mBoxIndices))
			{
				const OpcodeActor* TouchedActor = null;
				CollisionFace Hit;
				Hit.mDistance = raycasts->mMaxDist;

				udword NbMeshes = mBoxIndices.GetNbEntries();
				for(udword i=0;i<NbMeshes;i++)
				{
					const OpcodeActor* Actor = (const OpcodeActor*)mActors.GetEntries()[mBoxIndices[i]];
					const OpcodeMesh* Mesh = Actor->mMesh;

					RC.SetMaxDist(Hit.mDistance);
					Memory.mDistance = MAX_FLOAT;
					if(RC.Collide(CurrentRay, Mesh->mModel, &Actor->mMeshTM/*, udword* cache=null*/))
					{
						if(Memory.mDistance<Hit.mDistance)
						{
							Hit = Memory;
							TouchedActor = Actor;
						}
					}
				}