C++ UPrimitiveComponent::InitSweepCollisionParams方法代码示例

//.........这里部分代码省略.........

							if (!actor->bReplicateMovement)
								actor->SetReplicateMovement(true);
						}
						else
						{
							GrippedActors[i].bColliding = false;

							if (actor->bReplicateMovement)
								actor->SetReplicateMovement(false);
						}
					}
					else
					{
						if (!GrippedActors[i].bColliding)
						{
							root->SetWorldTransform(WorldTransform, true);
						}
					}
				}
				else if (GrippedActors[i].GripCollisionType == EGripCollisionType::InteractiveHybridCollisionWithSweep)
				{
					// Need to use without teleport so that the physics velocity is updated for when the actor is released to throw
					//if (bIsServer)
					//{
					FBPActorPhysicsHandleInformation * GripHandle = GetPhysicsGrip(GrippedActors[i]);
					if (!GrippedActors[i].bColliding)
					{
						// Make sure that there is no collision on course before turning off collision and snapping to controller
						if (bIsServer && actor && actor->bReplicateMovement)
						{
							FCollisionQueryParams QueryParams(NAME_None, false, this->GetOwner());
							FCollisionResponseParams ResponseParam;
							root->InitSweepCollisionParams(QueryParams, ResponseParam);
							QueryParams.AddIgnoredActor(actor);
							QueryParams.AddIgnoredActors(root->MoveIgnoreActors);

							if (GetWorld()->SweepTestByChannel(root->GetComponentLocation(), WorldTransform.GetLocation(), root->GetComponentQuat(), ECollisionChannel::ECC_Visibility, root->GetCollisionShape(), QueryParams, ResponseParam))
							{
								GrippedActors[i].bColliding = true;
							}
							else
							{
								GrippedActors[i].bColliding = false;
							}
						}
						
						// If still not colliding
						if (!GrippedActors[i].bColliding)
						{
							if (bIsServer && actor->bReplicateMovement) // So we don't call on on change event over and over locally
								actor->SetReplicateMovement(false);

							if (bIsServer && GripHandle)
							{
								DestroyPhysicsHandle(GrippedActors[i]);

								if(GrippedActors[i].Actor)
									GrippedActors[i].Actor->DisableComponentsSimulatePhysics();
								else
									root->SetSimulatePhysics(false);
							}

							root->SetWorldTransform(WorldTransform, false);
						}
						else

bool UGripMotionControllerComponent::CheckComponentWithSweep(UPrimitiveComponent * ComponentToCheck, FVector Move, FRotator newOrientation, bool bSkipSimulatingComponents/*,  bool &bHadBlockingHitOut*/)
{
	TArray<FHitResult> Hits;
	// WARNING: HitResult is only partially initialized in some paths. All data is valid only if bFilledHitResult is true.
	FHitResult BlockingHit(NoInit);
	BlockingHit.bBlockingHit = false;
	BlockingHit.Time = 1.f;
	bool bFilledHitResult = false;
	bool bMoved = false;
	bool bIncludesOverlapsAtEnd = false;
	bool bRotationOnly = false;

	UPrimitiveComponent *root = ComponentToCheck;

	if (!root || !root->IsQueryCollisionEnabled())
		return false;

	FVector start(root->GetComponentLocation());

	const bool bCollisionEnabled = root->IsQueryCollisionEnabled();

	if (bCollisionEnabled)
	{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
		if (!root->IsRegistered())
		{
			UE_LOG(LogTemp, Warning, TEXT("MovedComponent %s not initialized in grip motion controller"), *root->GetFullName());
		}
#endif

		UWorld* const MyWorld = GetWorld();
		FComponentQueryParams Params(TEXT("sweep_params"), root->GetOwner());

		FCollisionResponseParams ResponseParam;
		root->InitSweepCollisionParams(Params, ResponseParam);

		bool const bHadBlockingHit = MyWorld->ComponentSweepMulti(Hits, root, start, start + Move, newOrientation, Params);

		if (bHadBlockingHit)
		{
			int32 BlockingHitIndex = INDEX_NONE;
			float BlockingHitNormalDotDelta = BIG_NUMBER;
			for (int32 HitIdx = 0; HitIdx < Hits.Num(); HitIdx++)
			{
				const FHitResult& TestHit = Hits[HitIdx];

				// Ignore the owning actor to the motion controller
				if (TestHit.Actor == this->GetOwner() || (bSkipSimulatingComponents && TestHit.Component->IsSimulatingPhysics()))
				{
					if (Hits.Num() == 1)
					{
						//bHadBlockingHitOut = false;
						return false;
					}
					else
						continue;
				}

				if (TestHit.bBlockingHit && TestHit.IsValidBlockingHit())
				{
					if (TestHit.Time == 0.f)
					{
						// We may have multiple initial hits, and want to choose the one with the normal most opposed to our movement.
						const float NormalDotDelta = (TestHit.ImpactNormal | Move);
						if (NormalDotDelta < BlockingHitNormalDotDelta)
						{
							BlockingHitNormalDotDelta = NormalDotDelta;
							BlockingHitIndex = HitIdx;
						}
					}
					else if (BlockingHitIndex == INDEX_NONE)
					{
						// First non-overlapping blocking hit should be used, if an overlapping hit was not.
						// This should be the only non-overlapping blocking hit, and last in the results.
						BlockingHitIndex = HitIdx;
						break;
					}
					//}
				}
			}

			// Update blocking hit, if there was a valid one.
			if (BlockingHitIndex >= 0)
			{
				BlockingHit = Hits[BlockingHitIndex];
				bFilledHitResult = true;
			}
		}
	}

	// Handle blocking hit notifications. Avoid if pending kill (which could happen after overlaps).
	if (BlockingHit.bBlockingHit && !root->IsPendingKill())
	{
		check(bFilledHitResult);
		if (root->IsDeferringMovementUpdates())
		{
			FScopedMovementUpdate* ScopedUpdate = root->GetCurrentScopedMovement();
			ScopedUpdate->AppendBlockingHitAfterMove(BlockingHit);
		}
		else
//.........这里部分代码省略.........