FMatrix USkeletalMeshComponent::GetTransformMatrix() const
{
FTransform RootTransform = GetBoneTransform(0);
FVector Translation;
FQuat Rotation;
// if in editor, it should always use localToWorld
// if root motion is ignored, use root transform
if( GetWorld()->IsGameWorld() || !SkeletalMesh )
{
// add root translation info
Translation = RootTransform.GetLocation();
}
else
{
Translation = ComponentToWorld.TransformPosition(SkeletalMesh->RefSkeleton.GetRefBonePose()[0].GetTranslation());
}
// if root rotation is ignored, use root transform rotation
Rotation = RootTransform.GetRotation();
// now I need to get scale
// only LocalToWorld will have scale
FVector ScaleVector = ComponentToWorld.GetScale3D();
Rotation.Normalize();
return FScaleMatrix(ScaleVector)*FQuatRotationTranslationMatrix(Rotation, Translation);
}
void ACharacter::OnRep_ReplicatedBasedMovement()
{
if (Role != ROLE_SimulatedProxy)
{
return;
}
// Skip base updates while playing root motion, it is handled inside of OnRep_RootMotion
if (IsPlayingNetworkedRootMotionMontage())
{
return;
}
TGuardValue<bool> bInBaseReplicationGuard(bInBaseReplication, true);
const bool bBaseChanged = (BasedMovement.MovementBase != ReplicatedBasedMovement.MovementBase || BasedMovement.BoneName != ReplicatedBasedMovement.BoneName);
if (bBaseChanged)
{
// Even though we will copy the replicated based movement info, we need to use SetBase() to set up tick dependencies and trigger notifications.
SetBase(ReplicatedBasedMovement.MovementBase, ReplicatedBasedMovement.BoneName);
}
// Make sure to use the values of relative location/rotation etc from the server.
BasedMovement = ReplicatedBasedMovement;
if (ReplicatedBasedMovement.HasRelativeLocation())
{
// Update transform relative to movement base
const FVector OldLocation = GetActorLocation();
MovementBaseUtility::GetMovementBaseTransform(ReplicatedBasedMovement.MovementBase, ReplicatedBasedMovement.BoneName, CharacterMovement->OldBaseLocation, CharacterMovement->OldBaseQuat);
const FVector NewLocation = CharacterMovement->OldBaseLocation + ReplicatedBasedMovement.Location;
if (ReplicatedBasedMovement.HasRelativeRotation())
{
// Relative location, relative rotation
FRotator NewRotation = (FRotationMatrix(ReplicatedBasedMovement.Rotation) * FQuatRotationTranslationMatrix(CharacterMovement->OldBaseQuat, FVector::ZeroVector)).Rotator();
// TODO: need a better way to not assume we only use Yaw.
NewRotation.Pitch = 0.f;
NewRotation.Roll = 0.f;
SetActorLocationAndRotation(NewLocation, NewRotation);
}
else
{
// Relative location, absolute rotation
SetActorLocationAndRotation(NewLocation, ReplicatedBasedMovement.Rotation);
}
// When position or base changes, movement mode will need to be updated. This assumes rotation changes don't affect that.
CharacterMovement->bJustTeleported |= (bBaseChanged || GetActorLocation() != OldLocation);
INetworkPredictionInterface* PredictionInterface = Cast<INetworkPredictionInterface>(GetMovementComponent());
if (PredictionInterface)
{
PredictionInterface->SmoothCorrection(OldLocation);
}
}
}
FMatrix PTransform2UMatrix(const PxTransform& PTM)
{
FQuat UQuat = P2UQuat(PTM.q);
FVector UPos = P2UVector(PTM.p);
FMatrix Result = FQuatRotationTranslationMatrix(UQuat, UPos);
return Result;
}
bool ACharacter::RestoreReplicatedMove(const FSimulatedRootMotionReplicatedMove& RootMotionRepMove)
{
UPrimitiveComponent* ServerBase = RootMotionRepMove.RootMotion.MovementBase;
const FName ServerBaseBoneName = RootMotionRepMove.RootMotion.MovementBaseBoneName;
// Relative Position
if( RootMotionRepMove.RootMotion.bRelativePosition )
{
bool bSuccess = false;
if( MovementBaseUtility::UseRelativeLocation(ServerBase) )
{
FVector BaseLocation;
FQuat BaseRotation;
MovementBaseUtility::GetMovementBaseTransform(ServerBase, ServerBaseBoneName, BaseLocation, BaseRotation);
const FVector ServerLocation = BaseLocation + RootMotionRepMove.RootMotion.Location;
FRotator ServerRotation;
if (RootMotionRepMove.RootMotion.bRelativeRotation)
{
// Relative rotation
ServerRotation = (FRotationMatrix(RootMotionRepMove.RootMotion.Rotation) * FQuatRotationTranslationMatrix(BaseRotation, FVector::ZeroVector)).Rotator();
}
else
{
// Absolute rotation
ServerRotation = RootMotionRepMove.RootMotion.Rotation;
}
UpdateSimulatedPosition(ServerLocation, ServerRotation);
bSuccess = true;
}
// If we received local space position, but can't resolve parent, then move can't be used. :(
if( !bSuccess )
{
return false;
}
}
// Absolute position
else
{
UpdateSimulatedPosition(RootMotionRepMove.RootMotion.Location, RootMotionRepMove.RootMotion.Rotation);
}
SetBase( ServerBase, ServerBaseBoneName );
return true;
}
bool AAIController::BuildPathfindingQuery(const FAIMoveRequest& MoveRequest, FPathFindingQuery& Query) const
{
bool bResult = false;
UNavigationSystem* NavSys = UNavigationSystem::GetCurrent(GetWorld());
const ANavigationData* NavData = (NavSys == nullptr) ? nullptr :
MoveRequest.IsUsingPathfinding() ? NavSys->GetNavDataForProps(GetNavAgentPropertiesRef()) :
NavSys->GetAbstractNavData();
if (NavData)
{
FVector GoalLocation = MoveRequest.GetGoalLocation();
if (MoveRequest.IsMoveToActorRequest())
{
const INavAgentInterface* NavGoal = Cast<const INavAgentInterface>(MoveRequest.GetGoalActor());
if (NavGoal)
{
const FVector Offset = NavGoal->GetMoveGoalOffset(this);
GoalLocation = FQuatRotationTranslationMatrix(MoveRequest.GetGoalActor()->GetActorQuat(), NavGoal->GetNavAgentLocation()).TransformPosition(Offset);
}
else
{
GoalLocation = MoveRequest.GetGoalActor()->GetActorLocation();
}
}
FSharedConstNavQueryFilter NavFilter = UNavigationQueryFilter::GetQueryFilter(*NavData, this, MoveRequest.GetNavigationFilter());
Query = FPathFindingQuery(*this, *NavData, GetNavAgentLocation(), GoalLocation, NavFilter);
Query.SetAllowPartialPaths(MoveRequest.IsUsingPartialPaths());
if (PathFollowingComponent)
{
PathFollowingComponent->OnPathfindingQuery(Query);
}
bResult = true;
}
else
{
UE_VLOG(this, LogAINavigation, Warning, TEXT("Unable to find NavigationData instance while calling AAIController::BuildPathfindingQuery"));
}
return bResult;
}
void DrawDebugCapsule(const UWorld* InWorld, FVector const& Center, float HalfHeight, float Radius, const FQuat & Rotation, FColor const& Color, bool bPersistentLines, float LifeTime, uint8 DepthPriority)
{
// no debug line drawing on dedicated server
if (GEngine->GetNetMode(InWorld) != NM_DedicatedServer)
{
const int32 DrawCollisionSides = 16;
FVector Origin = Center;
FMatrix Axes = FQuatRotationTranslationMatrix(Rotation, FVector::ZeroVector);
FVector XAxis = Axes.GetScaledAxis( EAxis::X );
FVector YAxis = Axes.GetScaledAxis( EAxis::Y );
FVector ZAxis = Axes.GetScaledAxis( EAxis::Z );
// Draw top and bottom circles
float HalfAxis = FMath::Max<float>(HalfHeight - Radius, 1.f);
FVector TopEnd = Origin + HalfAxis*ZAxis;
FVector BottomEnd = Origin - HalfAxis*ZAxis;
DrawCircle(InWorld, TopEnd, XAxis, YAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
DrawCircle(InWorld, BottomEnd, XAxis, YAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
// Draw domed caps
DrawHalfCircle(InWorld, TopEnd, YAxis, ZAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
DrawHalfCircle(InWorld, TopEnd, XAxis, ZAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
FVector NegZAxis = -ZAxis;
DrawHalfCircle(InWorld, BottomEnd, YAxis, NegZAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
DrawHalfCircle(InWorld, BottomEnd, XAxis, NegZAxis, Color, Radius, DrawCollisionSides, bPersistentLines, LifeTime, DepthPriority);
// Draw connecty lines
DrawDebugLine(InWorld, TopEnd + Radius*XAxis, BottomEnd + Radius*XAxis, Color, bPersistentLines, LifeTime, DepthPriority);
DrawDebugLine(InWorld, TopEnd - Radius*XAxis, BottomEnd - Radius*XAxis, Color, bPersistentLines, LifeTime, DepthPriority);
DrawDebugLine(InWorld, TopEnd + Radius*YAxis, BottomEnd + Radius*YAxis, Color, bPersistentLines, LifeTime, DepthPriority);
DrawDebugLine(InWorld, TopEnd - Radius*YAxis, BottomEnd - Radius*YAxis, Color, bPersistentLines, LifeTime, DepthPriority);
}
}