bool UCollisionProfile::GetChannelAndResponseParams(FName ProfileName, ECollisionChannel &CollisionChannel, FCollisionResponseParams &ResponseParams)
{
const UCollisionProfile* CollisionProfile = UCollisionProfile::Get();
check(CollisionProfile);
FCollisionResponseTemplate Template;
if (CollisionProfile->GetProfileTemplate(ProfileName, Template))
{
CollisionChannel = Template.ObjectType;
ResponseParams = FCollisionResponseParams(Template.ResponseToChannels);
return true;
}
// Check for redirects
const FName* RedirectName = CollisionProfile->LookForProfileRedirect(ProfileName);
if (RedirectName && CollisionProfile->GetProfileTemplate(*RedirectName, Template))
{
CollisionChannel = Template.ObjectType;
ResponseParams = FCollisionResponseParams(Template.ResponseToChannels);
return true;
}
return false;
}
void ACVehicleSpawner::OnTimer() {
FTimerHandle Handle;
if (!Active || Paused) {
GetWorld()->GetTimerManager().SetTimer(Handle, this, &ACVehicleSpawner::OnTimer, GetTimeWait(), false);
return;
}
if (Bucket.Num() == 0) {
GEngine->AddOnScreenDebugMessage(-1, 15.f, FColor::Red, TEXT("You need to add Vehicle Types to the Vehicle Spawner"));
}
FVector StartTrace = GetActorLocation() - GetActorForwardVector() * 400 + FVector(0, 0, 100);
FVector EndTrace = GetActorLocation() + GetActorForwardVector() * 400 + FVector(0, 0, 100);
if (GetWorld()->LineTraceTest(
StartTrace,
EndTrace,
ECollisionChannel::ECC_Vehicle,
FCollisionQueryParams(),
FCollisionResponseParams()
)) {
GetWorld()->GetTimerManager().SetTimer(Handle, this, &ACVehicleSpawner::OnTimer, 0.1f, false);
return;
}
FActorSpawnParameters spawnParameters;
spawnParameters.bNoCollisionFail = true;
spawnParameters.Owner = this;
spawnParameters.Instigator = NULL;
spawnParameters.bDeferConstruction = false;
int32 BucketIndex = FMath::RandRange(0, Bucket.Num() - 1);
EVehicleType VehicleType = Bucket[BucketIndex];
Bucket.RemoveAtSwap(BucketIndex);
if (Bucket.Num() == 0) {
TurnBucket();
}
TSubclassOf<class AFlockingVehicle> Type = VehicleTypeClass[(uint8)VehicleType];
AFlockingVehicle* NewVehicle = GetWorld()->SpawnActor<AFlockingVehicle>(Type, GetActorLocation(), GetActorRotation(), spawnParameters);
NewVehicle->SetFlockingState(FlockingState);
NewVehicle->SpawnDefaultController();
NewVehicle->GetMesh()->SetAllPhysicsLinearVelocity(GetActorForwardVector() * StartSpeed / 0.036);
if (NewVehicle->VehicleType != VehicleType) {
GEngine->AddOnScreenDebugMessage(-1, 15.f, FColor::Red, TEXT("Vehicle Type is not correct."));
}
GetWorld()->GetTimerManager().SetTimer(Handle, this, &ACVehicleSpawner::OnTimer, GetTimeWait(), false);
if (VehicleTypeMaterials.Contains((uint8)VehicleType)) {
auto Materials = VehicleTypeMaterials[(uint8)VehicleType];
int32 Index = FMath::RandRange(0, Materials.Num() - 1);
UMaterial* Material = Materials[Index];
NewVehicle->GetMesh()->SetMaterial(2, Material);
NewVehicle->ColorMaterialIndex = Index;
}
}
AActor* UWeaponComponent::PlotHitLine(float LineLength, AController* Instigator, TSubclassOf<UDamageType> DamageType, UGameplaySystemComponent* GameplaySystem)
{
if (this->GetOwner() == nullptr)
return nullptr;
AController* OwnerAsController = dynamic_cast<AController*>(this->GetOwner());
if (OwnerAsController == nullptr)
return nullptr;
if (OwnerAsController->GetPawn() == nullptr)
return nullptr;
FVector TraceStart = OwnerAsController->GetPawn()->GetActorLocation();
FVector TraceEnd = OwnerAsController->GetPawn()->GetActorLocation();
{
FRotator Rotation = OwnerAsController->GetControlRotation();
TraceEnd += Rotation.RotateVector(FVector(LineLength, 0, 0));
}
// Setup the trace query
FCollisionQueryParams TraceParams = FCollisionQueryParams();
TraceParams.AddIgnoredActor(OwnerAsController->GetPawn());
TraceParams.bTraceAsyncScene = true;
FCollisionResponseParams CollisionParams = FCollisionResponseParams();
FHitResult HitResult;
if (this->GetWorld()->LineTraceSingleByChannel(HitResult, TraceStart, TraceEnd, ECC_GameTraceChannel1, TraceParams, CollisionParams))
{
if (GameplaySystem == nullptr)
return nullptr;
APawn* TargetAsPawn = dynamic_cast<APawn*>(HitResult.Actor.Get());
if (TargetAsPawn)
{
TargetAsPawn->GetController()->TakeDamage(GameplaySystem->GetInfightAttackPoints(), FDamageEvent(DamageType), Instigator, Instigator->GetPawn());
}
return HitResult.GetActor();
}
else
{
return nullptr;
}
}
bool UWorld::ComponentSweepMulti(TArray<struct FHitResult>& OutHits, class UPrimitiveComponent* PrimComp, const FVector& Start, const FVector& End, const FQuat& Quat, const struct FComponentQueryParams& Params) const
{
if (GetPhysicsScene() == NULL)
{
return false;
}
if (PrimComp == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : No PrimComp"));
return false;
}
ECollisionChannel TraceChannel = PrimComp->GetCollisionObjectType();
// if extent is 0, do line trace
if (PrimComp->IsZeroExtent())
{
return RaycastMulti(this, OutHits, Start, End, TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels()));
}
OutHits.Reset();
#if UE_WITH_PHYSICS
const FBodyInstance* BodyInstance = PrimComp->GetBodyInstance();
if (!BodyInstance || !BodyInstance->IsValidBodyInstance())
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : (%s) No physics data"), *PrimComp->GetReadableName());
return false;
}
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
if(PrimComp->IsA(USkeletalMeshComponent::StaticClass()))
{
UE_LOG(LogCollision, Warning, TEXT("ComponentSweepMulti : SkeletalMeshComponent support only root body (%s) "), *PrimComp->GetReadableName());
}
#endif
#endif
SCOPE_CYCLE_COUNTER(STAT_Collision_GeomSweepMultiple);
bool bHaveBlockingHit = false;
#if WITH_PHYSX
ExecuteOnPxRigidActorReadOnly(BodyInstance, [&] (const PxRigidActor* PRigidActor)
{
// Get all the shapes from the actor
FInlinePxShapeArray PShapes;
const int32 NumShapes = FillInlinePxShapeArray(PShapes, *PRigidActor);
// calculate the test global pose of the actor
const PxQuat PGeomRot = U2PQuat(Quat);
const PxTransform PGlobalStartPose = PxTransform(U2PVector(Start), PGeomRot);
const PxTransform PGlobalEndPose = PxTransform(U2PVector(End), PGeomRot);
// Iterate over each shape
for(int32 ShapeIdx=0; ShapeIdx<NumShapes; ShapeIdx++)
{
PxShape* PShape = PShapes[ShapeIdx];
check(PShape);
GET_GEOMETRY_FROM_SHAPE(PGeom, PShape);
if (PGeom != NULL)
{
// Calc shape global pose
const PxTransform PLocalShape = PShape->getLocalPose();
const PxTransform PShapeGlobalStartPose = PGlobalStartPose.transform(PLocalShape);
const PxTransform PShapeGlobalEndPose = PGlobalEndPose.transform(PLocalShape);
// consider localshape rotation for shape rotation
const PxQuat PShapeRot = PGeomRot * PLocalShape.q;
if (GeomSweepMulti_PhysX(this, *PGeom, PShapeRot, OutHits, P2UVector(PShapeGlobalStartPose.p), P2UVector(PShapeGlobalEndPose.p), TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels())))
{
bHaveBlockingHit = true;
}
}
}
});
#endif //WITH_PHYSX
//@TODO: BOX2D: Implement UWorld::ComponentSweepMulti
#if WITH_BOX2D
// if (b2Body* BodyInstance = PrimComp->BodyInstance.BodyInstancePtr)
// {
//
// }
#endif
return bHaveBlockingHit;
}
bool UWorld::ComponentSweepMulti(TArray<struct FHitResult>& OutHits, class UPrimitiveComponent* PrimComp, const FVector& Start, const FVector& End, const FRotator& Rot, const struct FComponentQueryParams& Params) const
{
if(GetPhysicsScene() == NULL)
{
return false;
}
if(PrimComp == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : No PrimComp"));
return false;
}
// if target is skeletalmeshcomponent and do not support singlebody physics
if ( !PrimComp->ShouldTrackOverlaps() )
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : (%s) Does not support skeletalmesh with Physics Asset and destructibles."), *PrimComp->GetPathName());
return false;
}
ECollisionChannel TraceChannel = PrimComp->GetCollisionObjectType();
#if WITH_PHYSX
// if extent is 0, do line trace
if (PrimComp->IsZeroExtent())
{
return RaycastMulti(this, OutHits, Start, End, TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels()));
}
PxRigidActor* PRigidActor = PrimComp->BodyInstance.GetPxRigidActor();
if(PRigidActor == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : (%s) No physics data"), *PrimComp->GetPathName());
return false;
}
PxScene * const PScene = PRigidActor->getScene();
OutHits.Empty();
// Get all the shapes from the actor
TArray<PxShape*, TInlineAllocator<8>> PShapes;
{
SCOPED_SCENE_READ_LOCK(PScene);
PShapes.AddZeroed(PRigidActor->getNbShapes());
PRigidActor->getShapes(PShapes.GetData(), PShapes.Num());
}
// calculate the test global pose of the actor
PxTransform PGlobalStartPose = U2PTransform(FTransform(Start));
PxTransform PGlobalEndPose = U2PTransform(FTransform(End));
bool bHaveBlockingHit = false;
PxQuat PGeomRot = U2PQuat(Rot.Quaternion());
// Iterate over each shape
SCENE_LOCK_READ(PScene);
for(int32 ShapeIdx=0; ShapeIdx<PShapes.Num(); ShapeIdx++)
{
PxShape* PShape = PShapes[ShapeIdx];
check(PShape);
TArray<struct FHitResult> Hits;
// Calc shape global pose
PxTransform PLocalShape = PShape->getLocalPose();
PxTransform PShapeGlobalStartPose = PGlobalStartPose.transform(PLocalShape);
PxTransform PShapeGlobalEndPose = PGlobalEndPose.transform(PLocalShape);
// consider localshape rotation for shape rotation
PxQuat PShapeRot = PGeomRot * PLocalShape.q;
GET_GEOMETRY_FROM_SHAPE(PGeom, PShape);
if(PGeom != NULL)
{
SCENE_UNLOCK_READ(PScene);
if (GeomSweepMulti(this, *PGeom, PShapeRot, Hits, P2UVector(PShapeGlobalStartPose.p), P2UVector(PShapeGlobalEndPose.p), TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels())))
{
bHaveBlockingHit = true;
}
OutHits.Append(Hits);
SCENE_LOCK_READ(PScene);
}
}
SCENE_UNLOCK_READ(PScene);
return bHaveBlockingHit;
#endif //WITH_PHYSX
return false;
}
bool UWorld::ComponentSweepSingle(struct FHitResult& OutHit,class UPrimitiveComponent* PrimComp, const FVector& Start, const FVector& End, const FRotator& Rot, const struct FComponentQueryParams& Params) const
{
OutHit.TraceStart = Start;
OutHit.TraceEnd = End;
if(GetPhysicsScene() == NULL)
{
return false;
}
if(PrimComp == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepSingle : No PrimComp"));
return false;
}
// if target is skeletalmeshcomponent and do not support singlebody physics
if ( !PrimComp->ShouldTrackOverlaps() )
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepSingle : (%s) Does not support skeletalmesh with Physics Asset and destructibles."), *PrimComp->GetPathName());
return false;
}
ECollisionChannel TraceChannel = PrimComp->GetCollisionObjectType();
#if WITH_PHYSX
// if extent is 0, do line trace
if (PrimComp->IsZeroExtent())
{
return RaycastSingle(this, OutHit, Start, End, TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels()));
}
PxRigidActor* PRigidActor = PrimComp->BodyInstance.GetPxRigidActor();
if(PRigidActor == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentSweepMulti : (%s) No physics data"), *PrimComp->GetPathName());
return false;
}
// Get all the shapes from the actor
TArray<PxShape*, TInlineAllocator<8>> PShapes;
PShapes.AddZeroed(PRigidActor->getNbShapes());
int32 NumShapes = PRigidActor->getShapes(PShapes.GetData(), PShapes.Num());
// calculate the test global pose of the actor
PxTransform PGlobalStartPose = U2PTransform(FTransform(Start));
PxTransform PGlobalEndPose = U2PTransform(FTransform(End));
bool bHaveBlockingHit = false;
PxQuat PGeomRot = U2PQuat(Rot.Quaternion());
// Iterate over each shape
for(int32 ShapeIdx=0; ShapeIdx<PShapes.Num(); ShapeIdx++)
{
PxShape* PShape = PShapes[ShapeIdx];
check(PShape);
// Calc shape global pose
PxTransform PLocalShape = PShape->getLocalPose();
PxTransform PShapeGlobalStartPose = PGlobalStartPose.transform(PLocalShape);
PxTransform PShapeGlobalEndPose = PGlobalEndPose.transform(PLocalShape);
// consider localshape rotation for shape rotation
PxQuat PShapeRot = PGeomRot * PLocalShape.q;
GET_GEOMETRY_FROM_SHAPE(PGeom, PShape);
if(PGeom != NULL)
{
// @todo UE4, this might not be the best behavior. If we're looking for the most closest, this have to change to save the result, and find the closest one or
// any other options, right now if anything hits first, it will return
if (GeomSweepSingle(this, *PGeom, PShapeRot, OutHit, P2UVector(PShapeGlobalStartPose.p), P2UVector(PShapeGlobalEndPose.p), TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels())))
{
bHaveBlockingHit = true;
break;
}
}
}
return bHaveBlockingHit;
#endif //WITH_PHYSX
return false;
}
bool UWorld::ComponentOverlapTest(class UPrimitiveComponent* PrimComp, const FVector& Pos, const FRotator& Rot, const struct FComponentQueryParams& Params) const
{
if(GetPhysicsScene() == NULL)
{
return false;
}
if(PrimComp == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentOverlapMulti : No PrimComp"));
return false;
}
// if target is skeletalmeshcomponent and do not support singlebody physics, we don't support this yet
// talk to @JG, SP, LH
if ( !PrimComp->ShouldTrackOverlaps() )
{
UE_LOG(LogCollision, Log, TEXT("ComponentOverlapMulti : (%s) Does not support skeletalmesh with Physics Asset and destructibles."), *PrimComp->GetPathName());
return false;
}
#if WITH_PHYSX
ECollisionChannel TraceChannel = PrimComp->GetCollisionObjectType();
PxRigidActor* PRigidActor = PrimComp->BodyInstance.GetPxRigidActor();
if(PRigidActor == NULL)
{
UE_LOG(LogCollision, Log, TEXT("ComponentOverlapMulti : (%s) No physics data"), *PrimComp->GetPathName());
return false;
}
// calculate the test global pose of the actor
PxTransform PTestGlobalPose = U2PTransform(FTransform(Rot, Pos));
// Get all the shapes from the actor
TArray<PxShape*, TInlineAllocator<8>> PShapes;
PShapes.AddZeroed(PRigidActor->getNbShapes());
int32 NumShapes = PRigidActor->getShapes(PShapes.GetData(), PShapes.Num());
// Iterate over each shape
for(int32 ShapeIdx=0; ShapeIdx<PShapes.Num(); ShapeIdx++)
{
PxShape* PShape = PShapes[ShapeIdx];
check(PShape);
// Calc shape global pose
PxTransform PLocalPose = PShape->getLocalPose();
PxTransform PShapeGlobalPose = PTestGlobalPose.transform(PLocalPose);
GET_GEOMETRY_FROM_SHAPE(PGeom, PShape);
if(PGeom != NULL)
{
if( GeomOverlapTest(this, *PGeom, PShapeGlobalPose, TraceChannel, Params, FCollisionResponseParams(PrimComp->GetCollisionResponseToChannels())))
{
// in this test, it only matters true or false.
// if we found first true, we don't care next test anymore.
return true;
}
}
}
#endif //WITH_PHYSX
return false;
}