GrippableSkeletalMeshActor.cpp

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// Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
 
#include "Grippables/GrippableSkeletalMeshActor.h"
#include "TimerManager.h"
#include "Net/UnrealNetwork.h"
#include "PhysicsReplication.h"
#if WITH_PUSH_MODEL
#include "Net/Core/PushModel/PushModel.h"
#endif
 
UOptionalRepSkeletalMeshComponent::UOptionalRepSkeletalMeshComponent(const FObjectInitializer& ObjectInitializer)
    : Super(ObjectInitializer)
{
    bReplicateMovement = true;
}
 
void UOptionalRepSkeletalMeshComponent::PreReplication(IRepChangedPropertyTracker& ChangedPropertyTracker)
{
    Super::PreReplication(ChangedPropertyTracker);
 
    // Don't replicate if set to not do it
    DOREPLIFETIME_ACTIVE_OVERRIDE_PRIVATE_PROPERTY(USceneComponent, RelativeLocation, bReplicateMovement);
    DOREPLIFETIME_ACTIVE_OVERRIDE_PRIVATE_PROPERTY(USceneComponent, RelativeRotation, bReplicateMovement);
    DOREPLIFETIME_ACTIVE_OVERRIDE_PRIVATE_PROPERTY(USceneComponent, RelativeScale3D, bReplicateMovement);
}
 
void UOptionalRepSkeletalMeshComponent::GetLifetimeReplicatedProps(TArray< class FLifetimeProperty >& OutLifetimeProps) const
{
    Super::GetLifetimeReplicatedProps(OutLifetimeProps);
 
    DOREPLIFETIME(UOptionalRepSkeletalMeshComponent, bReplicateMovement);
}
 
//=============================================================================
AGrippableSkeletalMeshActor::AGrippableSkeletalMeshActor(const FObjectInitializer& ObjectInitializer)
    : Super(ObjectInitializer.SetDefaultSubobjectClass<UOptionalRepSkeletalMeshComponent>(TEXT("SkeletalMeshComponent0")))
{
    VRGripInterfaceSettings.bDenyGripping = false;
    VRGripInterfaceSettings.OnTeleportBehavior = EGripInterfaceTeleportBehavior::TeleportAllComponents;
    VRGripInterfaceSettings.bSimulateOnDrop = true;
    VRGripInterfaceSettings.SlotDefaultGripType = EGripCollisionType::InteractiveCollisionWithPhysics;
    VRGripInterfaceSettings.FreeDefaultGripType = EGripCollisionType::InteractiveCollisionWithPhysics;
    VRGripInterfaceSettings.SecondaryGripType = ESecondaryGripType::SG_None;
    VRGripInterfaceSettings.MovementReplicationType = EGripMovementReplicationSettings::ForceClientSideMovement;
    VRGripInterfaceSettings.LateUpdateSetting = EGripLateUpdateSettings::NotWhenCollidingOrDoubleGripping;
    VRGripInterfaceSettings.ConstraintStiffness = 1500.0f;
    VRGripInterfaceSettings.ConstraintDamping = 200.0f;
    VRGripInterfaceSettings.ConstraintBreakDistance = 100.0f;
    VRGripInterfaceSettings.SecondarySlotRange = 20.0f;
    VRGripInterfaceSettings.PrimarySlotRange = 20.0f;
 
    VRGripInterfaceSettings.bIsHeld = false;
 
    // Default replication on for multiplayer
    //this->bNetLoadOnClient = false;
    SetReplicatingMovement(true);
    bReplicates = true;
 
    bRepGripSettingsAndGameplayTags = true;
    bReplicateGripScripts = false;
    bAllowIgnoringAttachOnOwner = true;
 
    // Setting a minimum of every 3rd frame (VR 90fps) for replication consideration
    // Otherwise we will get some massive slow downs if the replication is allowed to hit the 2 per second minimum default
    MinNetUpdateFrequency = 30.0f;
}
 
void AGrippableSkeletalMeshActor::GetLifetimeReplicatedProps(TArray< class FLifetimeProperty >& OutLifetimeProps) const
{
    Super::GetLifetimeReplicatedProps(OutLifetimeProps);
 
    DOREPLIFETIME_CONDITION(AGrippableSkeletalMeshActor, GripLogicScripts, COND_Custom);
    DOREPLIFETIME(AGrippableSkeletalMeshActor, bReplicateGripScripts);
    DOREPLIFETIME(AGrippableSkeletalMeshActor, bRepGripSettingsAndGameplayTags);
    DOREPLIFETIME(AGrippableSkeletalMeshActor, bAllowIgnoringAttachOnOwner);
    DOREPLIFETIME(AGrippableSkeletalMeshActor, ClientAuthReplicationData);
    DOREPLIFETIME_CONDITION(AGrippableSkeletalMeshActor, VRGripInterfaceSettings, COND_Custom);
    DOREPLIFETIME_CONDITION(AGrippableSkeletalMeshActor, GameplayTags, COND_Custom);
 
    DISABLE_REPLICATED_PRIVATE_PROPERTY(AActor, AttachmentReplication);
 
    FDoRepLifetimeParams AttachmentReplicationParams{ COND_Custom, REPNOTIFY_Always, /*bIsPushBased=*/true };
    DOREPLIFETIME_WITH_PARAMS_FAST(AGrippableSkeletalMeshActor, AttachmentWeldReplication, AttachmentReplicationParams);
}
 
void AGrippableSkeletalMeshActor::PreReplication(IRepChangedPropertyTracker& ChangedPropertyTracker)
{
    // Don't replicate if set to not do it
    DOREPLIFETIME_ACTIVE_OVERRIDE(AGrippableSkeletalMeshActor, VRGripInterfaceSettings, bRepGripSettingsAndGameplayTags);
    DOREPLIFETIME_ACTIVE_OVERRIDE(AGrippableSkeletalMeshActor, GameplayTags, bRepGripSettingsAndGameplayTags);
    DOREPLIFETIME_ACTIVE_OVERRIDE(AGrippableSkeletalMeshActor, GripLogicScripts, bReplicateGripScripts);
 
    //Super::PreReplication(ChangedPropertyTracker);
 
#if WITH_PUSH_MODEL
    const AActor* const OldAttachParent = AttachmentWeldReplication.AttachParent;
    const UActorComponent* const OldAttachComponent = AttachmentWeldReplication.AttachComponent;
#endif
 
    // Attachment replication gets filled in by GatherCurrentMovement(), but in the case of a detached root we need to trigger remote detachment.
    AttachmentWeldReplication.AttachParent = nullptr;
    AttachmentWeldReplication.AttachComponent = nullptr;
 
    GatherCurrentMovement();
 
    DOREPLIFETIME_ACTIVE_OVERRIDE_PRIVATE_PROPERTY(AActor, ReplicatedMovement, IsReplicatingMovement());
 
    // Don't need to replicate AttachmentReplication if the root component replicates, because it already handles it.
    DOREPLIFETIME_ACTIVE_OVERRIDE(AGrippableSkeletalMeshActor, AttachmentWeldReplication, RootComponent && !RootComponent->GetIsReplicated());
 
    // Don't need to replicate AttachmentReplication if the root component replicates, because it already handles it.
    DOREPLIFETIME_ACTIVE_OVERRIDE_PRIVATE_PROPERTY(AActor, AttachmentReplication, RootComponent && !RootComponent->GetIsReplicated());
 
 
#if WITH_PUSH_MODEL
    if (UNLIKELY(OldAttachParent != AttachmentWeldReplication.AttachParent || OldAttachComponent != AttachmentWeldReplication.AttachComponent))
    {
        //MARK_PROPERTY_DIRTY_FROM_NAME(AGrippableSkeletalMeshActor, AttachmentWeldReplication, this);
    }
#endif
 
    UBlueprintGeneratedClass* BPClass = Cast<UBlueprintGeneratedClass>(GetClass());
    if (BPClass != nullptr)
    {
        BPClass->InstancePreReplication(this, ChangedPropertyTracker);
    }
}
 
void AGrippableSkeletalMeshActor::GatherCurrentMovement()
{
    if (IsReplicatingMovement() || (RootComponent && RootComponent->GetAttachParent()))
    {
        bool bWasAttachmentModified = false;
        bool bWasRepMovementModified = false;
 
        AActor* OldAttachParent = AttachmentWeldReplication.AttachParent;
        USceneComponent* OldAttachComponent = AttachmentWeldReplication.AttachComponent;
 
        AttachmentWeldReplication.AttachParent = nullptr;
        AttachmentWeldReplication.AttachComponent = nullptr;
 
        FRepMovement& RepMovement = GetReplicatedMovement_Mutable();
 
        UPrimitiveComponent* RootPrimComp = Cast<UPrimitiveComponent>(GetRootComponent());
        if (RootPrimComp && RootPrimComp->IsSimulatingPhysics())
        {
            FRigidBodyState RBState;
            RootPrimComp->GetRigidBodyState(RBState);
 
            RepMovement.FillFrom(RBState, this);
            // Don't replicate movement if we're welded to another parent actor.
            // Their replication will affect our position indirectly since we are attached.
            RepMovement.bRepPhysics = !RootPrimComp->IsWelded();
 
            if (!RepMovement.bRepPhysics)
            {
                if (RootComponent->GetAttachParent() != nullptr)
                {
                    // Networking for attachments assumes the RootComponent of the AttachParent actor. 
                    // If that's not the case, we can't update this, as the client wouldn't be able to resolve the Component and would detach as a result.
                    AttachmentWeldReplication.AttachParent = RootComponent->GetAttachParent()->GetAttachmentRootActor();
                    if (AttachmentWeldReplication.AttachParent != nullptr)
                    {
                        AttachmentWeldReplication.LocationOffset = RootComponent->GetRelativeLocation();
                        AttachmentWeldReplication.RotationOffset = RootComponent->GetRelativeRotation();
                        AttachmentWeldReplication.RelativeScale3D = RootComponent->GetRelativeScale3D();
                        AttachmentWeldReplication.AttachComponent = RootComponent->GetAttachParent();
                        AttachmentWeldReplication.AttachSocket = RootComponent->GetAttachSocketName();
                        AttachmentWeldReplication.bIsWelded = RootPrimComp ? RootPrimComp->IsWelded() : false;
 
                        // Technically, the values might have stayed the same, but we'll just assume they've changed.
                        bWasAttachmentModified = true;
                    }
                }
            }
 
            // Technically, the values might have stayed the same, but we'll just assume they've changed.
            bWasRepMovementModified = true;
        }
        else if (RootComponent != nullptr)
        {
            // If we are attached, don't replicate absolute position, use AttachmentReplication instead.
            if (RootComponent->GetAttachParent() != nullptr)
            {
                // Networking for attachments assumes the RootComponent of the AttachParent actor. 
                // If that's not the case, we can't update this, as the client wouldn't be able to resolve the Component and would detach as a result.
                AttachmentWeldReplication.AttachParent = RootComponent->GetAttachParent()->GetAttachmentRootActor();
                if (AttachmentWeldReplication.AttachParent != nullptr)
                {
                    AttachmentWeldReplication.LocationOffset = RootComponent->GetRelativeLocation();
                    AttachmentWeldReplication.RotationOffset = RootComponent->GetRelativeRotation();
                    AttachmentWeldReplication.RelativeScale3D = RootComponent->GetRelativeScale3D();
                    AttachmentWeldReplication.AttachComponent = RootComponent->GetAttachParent();
                    AttachmentWeldReplication.AttachSocket = RootComponent->GetAttachSocketName();
                    AttachmentWeldReplication.bIsWelded = RootPrimComp ? RootPrimComp->IsWelded() : false;
 
                    // Technically, the values might have stayed the same, but we'll just assume they've changed.
                    bWasAttachmentModified = true;
                }
            }
            else
            {
                RepMovement.Location = FRepMovement::RebaseOntoZeroOrigin(RootComponent->GetComponentLocation(), this);
                RepMovement.Rotation = RootComponent->GetComponentRotation();
                RepMovement.LinearVelocity = GetVelocity();
                RepMovement.AngularVelocity = FVector::ZeroVector;
 
                // Technically, the values might have stayed the same, but we'll just assume they've changed.
                bWasRepMovementModified = true;
            }
 
            bWasRepMovementModified = (bWasRepMovementModified || RepMovement.bRepPhysics);
            RepMovement.bRepPhysics = false;
        }
#if WITH_PUSH_MODEL
        if (bWasRepMovementModified)
        {
            //MARK_PROPERTY_DIRTY_FROM_NAME(AActor, ReplicatedMovement, this);
        }
 
        if (bWasAttachmentModified ||
            OldAttachParent != AttachmentWeldReplication.AttachParent ||
            OldAttachComponent != AttachmentWeldReplication.AttachComponent)
        {
            //MARK_PROPERTY_DIRTY_FROM_NAME(AGrippableSkeletalMeshActor, AttachmentWeldReplication, this);
        }
#endif
    }
}
 
bool AGrippableSkeletalMeshActor::ReplicateSubobjects(UActorChannel* Channel, class FOutBunch* Bunch, FReplicationFlags* RepFlags)
{
    bool WroteSomething = Super::ReplicateSubobjects(Channel, Bunch, RepFlags);
 
    if (bReplicateGripScripts)
    {
        for (UVRGripScriptBase* Script : GripLogicScripts)
        {
            if (Script && !Script->IsPendingKill())
            {
                WroteSomething |= Channel->ReplicateSubobject(Script, *Bunch, *RepFlags);
            }
        }
    }
 
    return WroteSomething;
}
 
/*void AGrippableSkeletalMeshActor::GetLifetimeReplicatedProps(TArray< class FLifetimeProperty > & OutLifetimeProps) const
{
    DOREPLIFETIME(AGrippableSkeletalMeshActor, VRGripInterfaceSettings);
}*/
 
//=============================================================================
AGrippableSkeletalMeshActor::~AGrippableSkeletalMeshActor()
{
}
 
void AGrippableSkeletalMeshActor::BeginPlay()
{
    // Call the base class 
    Super::BeginPlay();
 
    // Call all grip scripts begin play events so they can perform any needed logic
    for (UVRGripScriptBase* Script : GripLogicScripts)
    {
        if (Script)
        {
            Script->BeginPlay(this);
        }
    }
}
 
void AGrippableSkeletalMeshActor::SetDenyGripping(bool bDenyGripping)
{
    VRGripInterfaceSettings.bDenyGripping = bDenyGripping;
}
 
void AGrippableSkeletalMeshActor::SetGripPriority(int NewGripPriority)
{
    VRGripInterfaceSettings.AdvancedGripSettings.GripPriority = NewGripPriority;
}
 
void AGrippableSkeletalMeshActor::TickGrip_Implementation(UGripMotionControllerComponent* GrippingController, const FBPActorGripInformation& GripInformation, float DeltaTime) {}
void AGrippableSkeletalMeshActor::OnGrip_Implementation(UGripMotionControllerComponent* GrippingController, const FBPActorGripInformation& GripInformation) { }
void AGrippableSkeletalMeshActor::OnGripRelease_Implementation(UGripMotionControllerComponent* ReleasingController, const FBPActorGripInformation& GripInformation, bool bWasSocketed) { }
void AGrippableSkeletalMeshActor::OnChildGrip_Implementation(UGripMotionControllerComponent* GrippingController, const FBPActorGripInformation& GripInformation) {}
void AGrippableSkeletalMeshActor::OnChildGripRelease_Implementation(UGripMotionControllerComponent* ReleasingController, const FBPActorGripInformation& GripInformation, bool bWasSocketed) {}
void AGrippableSkeletalMeshActor::OnSecondaryGrip_Implementation(UGripMotionControllerComponent* GripOwningController, USceneComponent* SecondaryGripComponent, const FBPActorGripInformation& GripInformation) { OnSecondaryGripAdded.Broadcast(GripOwningController, GripInformation); }
void AGrippableSkeletalMeshActor::OnSecondaryGripRelease_Implementation(UGripMotionControllerComponent* GripOwningController, USceneComponent* ReleasingSecondaryGripComponent, const FBPActorGripInformation& GripInformation) { OnSecondaryGripRemoved.Broadcast(GripOwningController, GripInformation); }
void AGrippableSkeletalMeshActor::OnUsed_Implementation() {}
void AGrippableSkeletalMeshActor::OnEndUsed_Implementation() {}
void AGrippableSkeletalMeshActor::OnSecondaryUsed_Implementation() {}
void AGrippableSkeletalMeshActor::OnEndSecondaryUsed_Implementation() {}
void AGrippableSkeletalMeshActor::OnInput_Implementation(FKey Key, EInputEvent KeyEvent) {}
bool AGrippableSkeletalMeshActor::RequestsSocketing_Implementation(USceneComponent*& ParentToSocketTo, FName& OptionalSocketName, FTransform_NetQuantize& RelativeTransform) { return false; }
 
bool AGrippableSkeletalMeshActor::DenyGripping_Implementation(UGripMotionControllerComponent * GripInitiator)
{
    return VRGripInterfaceSettings.bDenyGripping;
}
 
 
EGripInterfaceTeleportBehavior AGrippableSkeletalMeshActor::TeleportBehavior_Implementation()
{
    return VRGripInterfaceSettings.OnTeleportBehavior;
}
 
bool AGrippableSkeletalMeshActor::SimulateOnDrop_Implementation()
{
    return VRGripInterfaceSettings.bSimulateOnDrop;
}
 
EGripCollisionType AGrippableSkeletalMeshActor::GetPrimaryGripType_Implementation(bool bIsSlot)
{
    return bIsSlot ? VRGripInterfaceSettings.SlotDefaultGripType : VRGripInterfaceSettings.FreeDefaultGripType;
}
 
ESecondaryGripType AGrippableSkeletalMeshActor::SecondaryGripType_Implementation()
{
    return VRGripInterfaceSettings.SecondaryGripType;
}
 
EGripMovementReplicationSettings AGrippableSkeletalMeshActor::GripMovementReplicationType_Implementation()
{
    return VRGripInterfaceSettings.MovementReplicationType;
}
 
EGripLateUpdateSettings AGrippableSkeletalMeshActor::GripLateUpdateSetting_Implementation()
{
    return VRGripInterfaceSettings.LateUpdateSetting;
}
 
void AGrippableSkeletalMeshActor::GetGripStiffnessAndDamping_Implementation(float& GripStiffnessOut, float& GripDampingOut)
{
    GripStiffnessOut = VRGripInterfaceSettings.ConstraintStiffness;
    GripDampingOut = VRGripInterfaceSettings.ConstraintDamping;
}
 
FBPAdvGripSettings AGrippableSkeletalMeshActor::AdvancedGripSettings_Implementation()
{
    return VRGripInterfaceSettings.AdvancedGripSettings;
}
 
float AGrippableSkeletalMeshActor::GripBreakDistance_Implementation()
{
    return VRGripInterfaceSettings.ConstraintBreakDistance;
}
 
void AGrippableSkeletalMeshActor::ClosestGripSlotInRange_Implementation(FVector WorldLocation, bool bSecondarySlot, bool& bHadSlotInRange, FTransform& SlotWorldTransform, FName& SlotName, UGripMotionControllerComponent* CallingController, FName OverridePrefix)
{
    if (OverridePrefix.IsNone())
        bSecondarySlot ? OverridePrefix = "VRGripS" : OverridePrefix = "VRGripP";
 
    UVRExpansionFunctionLibrary::GetGripSlotInRangeByTypeName(OverridePrefix, this, WorldLocation, bSecondarySlot ? VRGripInterfaceSettings.SecondarySlotRange : VRGripInterfaceSettings.PrimarySlotRange, bHadSlotInRange, SlotWorldTransform, SlotName, CallingController);
}
 
bool AGrippableSkeletalMeshActor::AllowsMultipleGrips_Implementation()
{
    return VRGripInterfaceSettings.bAllowMultipleGrips;
}
 
void AGrippableSkeletalMeshActor::IsHeld_Implementation(TArray<FBPGripPair>& HoldingControllers, bool& bIsHeld)
{
    HoldingControllers = VRGripInterfaceSettings.HoldingControllers;
    bIsHeld = VRGripInterfaceSettings.bIsHeld;
}
 
bool AGrippableSkeletalMeshActor::AddToClientReplicationBucket()
{
    if (ShouldWeSkipAttachmentReplication(false))
    {
        // The subsystem automatically removes entries with the same function signature so its safe to just always add here
        GetWorld()->GetSubsystem<UBucketUpdateSubsystem>()->AddObjectToBucket(ClientAuthReplicationData.UpdateRate, this, FName(TEXT("PollReplicationEvent")));
        ClientAuthReplicationData.bIsCurrentlyClientAuth = true;
 
        if (UWorld* World = GetWorld())
            ClientAuthReplicationData.TimeAtInitialThrow = World->GetTimeSeconds();
 
        return true;
    }
 
    return false;
}
 
bool AGrippableSkeletalMeshActor::RemoveFromClientReplicationBucket()
{
    if (ClientAuthReplicationData.bIsCurrentlyClientAuth)
    {
        GetWorld()->GetSubsystem<UBucketUpdateSubsystem>()->RemoveObjectFromBucketByFunctionName(this, FName(TEXT("PollReplicationEvent")));
        CeaseReplicationBlocking();
        return true;
    }
 
    return false;
}
 
void AGrippableSkeletalMeshActor::Native_NotifyThrowGripDelegates(UGripMotionControllerComponent* Controller, bool bGripped, const FBPActorGripInformation& GripInformation, bool bWasSocketed)
{
    if (bGripped)
    {
        OnGripped.Broadcast(Controller, GripInformation);
    }
    else
    {
        OnDropped.Broadcast(Controller, GripInformation, bWasSocketed);
    }
}
 
void AGrippableSkeletalMeshActor::SetHeld_Implementation(UGripMotionControllerComponent* HoldingController, uint8 GripID, bool bIsHeld)
{
    if (bIsHeld)
    {
        VRGripInterfaceSettings.HoldingControllers.AddUnique(FBPGripPair(HoldingController, GripID));
        RemoveFromClientReplicationBucket();
 
        VRGripInterfaceSettings.bWasHeld = true;
        VRGripInterfaceSettings.bIsHeld = VRGripInterfaceSettings.HoldingControllers.Num() > 0;
    }
    else
    {
        VRGripInterfaceSettings.HoldingControllers.Remove(FBPGripPair(HoldingController, GripID));
        VRGripInterfaceSettings.bIsHeld = VRGripInterfaceSettings.HoldingControllers.Num() > 0;
 
        if (ClientAuthReplicationData.bUseClientAuthThrowing && !VRGripInterfaceSettings.bIsHeld)
        {
            bool bWasLocallyOwned = HoldingController ? HoldingController->IsLocallyControlled() : false;
            if (bWasLocallyOwned && ShouldWeSkipAttachmentReplication(false))
            {
                if (UPrimitiveComponent* PrimComp = Cast<UPrimitiveComponent>(GetRootComponent()))
                {
                    if (PrimComp->IsSimulatingPhysics())
                    {
                        AddToClientReplicationBucket();
                    }
                }
            }
        }
    }
}
 
/*FBPInteractionSettings AGrippableSkeletalMeshActor::GetInteractionSettings_Implementation()
{
    return VRGripInterfaceSettings.InteractionSettings;
}*/
 
bool AGrippableSkeletalMeshActor::GetGripScripts_Implementation(TArray<UVRGripScriptBase*>& ArrayReference)
{
    ArrayReference = GripLogicScripts;
    return GripLogicScripts.Num() > 0;
}
 
bool AGrippableSkeletalMeshActor::PollReplicationEvent()
{
    if (!ClientAuthReplicationData.bIsCurrentlyClientAuth || !this->HasLocalNetOwner() || VRGripInterfaceSettings.bIsHeld)
        return false; // Tell the bucket subsystem to remove us from consideration
 
    UWorld* OurWorld = GetWorld();
    if (!OurWorld)
        return false; // Tell the bucket subsystem to remove us from consideration
 
    bool bRemoveBlocking = false;
 
    if ((OurWorld->GetTimeSeconds() - ClientAuthReplicationData.TimeAtInitialThrow) > 10.0f)
    {
        // Lets time out sending, its been 10 seconds since we threw the object and its likely that it is conflicting with some server
        // Authed movement that is forcing it to keep momentum.
        //return false; // Tell the bucket subsystem to remove us from consideration
        bRemoveBlocking = true;
    }
 
    // Store current transform for resting check
    FTransform CurTransform = this->GetActorTransform();
 
    if (!bRemoveBlocking)
    {
        if (!CurTransform.GetRotation().Equals(ClientAuthReplicationData.LastActorTransform.GetRotation()) || !CurTransform.GetLocation().Equals(ClientAuthReplicationData.LastActorTransform.GetLocation()))
        {
            ClientAuthReplicationData.LastActorTransform = CurTransform;
 
            if (UPrimitiveComponent* PrimComp = Cast<UPrimitiveComponent>(RootComponent))
            {
                // Need to clamp to a max time since start, to handle cases with conflicting collisions
                if (PrimComp->IsSimulatingPhysics() && ShouldWeSkipAttachmentReplication(false))
                {
                    FRepMovementVR ClientAuthMovementRep;
                    if (ClientAuthMovementRep.GatherActorsMovement(this))
                    {
                        Server_GetClientAuthReplication(ClientAuthMovementRep);
 
                        if (PrimComp->RigidBodyIsAwake())
                        {
                            return true;
                        }
                    }
                }
            }
            else
            {
                bRemoveBlocking = true;
                //return false; // Tell the bucket subsystem to remove us from consideration
            }
        }
        //else
    //  {
            // Difference is too small, lets end sending location
            //ClientAuthReplicationData.LastActorTransform = FTransform::Identity;
    //  }
    }
 
    bool TimedBlockingRelease = false;
 
    AActor* TopOwner = GetOwner();
    if (TopOwner != nullptr)
    {
        AActor* tempOwner = TopOwner->GetOwner();
 
        // I have an owner so search that for the top owner
        while (tempOwner)
        {
            TopOwner = tempOwner;
            tempOwner = TopOwner->GetOwner();
        }
 
        if (APlayerController* PlayerController = Cast<APlayerController>(TopOwner))
        {
            if (APlayerState* PlayerState = PlayerController->PlayerState)
            {
                if (ClientAuthReplicationData.ResetReplicationHandle.IsValid())
                {
                    OurWorld->GetTimerManager().ClearTimer(ClientAuthReplicationData.ResetReplicationHandle);
                }
 
                // Lets clamp the ping to a min / max value just in case
                float clampedPing = FMath::Clamp(PlayerState->ExactPing * 0.001f, 0.0f, 1000.0f);
                OurWorld->GetTimerManager().SetTimer(ClientAuthReplicationData.ResetReplicationHandle, this, &AGrippableSkeletalMeshActor::CeaseReplicationBlocking, clampedPing, false);
                TimedBlockingRelease = true;
            }
        }
    }
 
    if (!TimedBlockingRelease)
    {
        CeaseReplicationBlocking();
    }
 
    // Tell server to kill us
    Server_EndClientAuthReplication();
    return false; // Tell the bucket subsystem to remove us from consideration
}
 
void AGrippableSkeletalMeshActor::CeaseReplicationBlocking()
{
    if (ClientAuthReplicationData.bIsCurrentlyClientAuth)
        ClientAuthReplicationData.bIsCurrentlyClientAuth = false;
 
    ClientAuthReplicationData.LastActorTransform = FTransform::Identity;
 
    if (ClientAuthReplicationData.ResetReplicationHandle.IsValid())
    {
        if (UWorld* OurWorld = GetWorld())
        {
            OurWorld->GetTimerManager().ClearTimer(ClientAuthReplicationData.ResetReplicationHandle);
        }
    }
}
 
void AGrippableSkeletalMeshActor::EndPlay(const EEndPlayReason::Type EndPlayReason)
{
    RemoveFromClientReplicationBucket();
 
    // Call all grip scripts begin play events so they can perform any needed logic
    for (UVRGripScriptBase* Script : GripLogicScripts)
    {
        if (Script)
        {
            Script->EndPlay(EndPlayReason);
        }
    }
 
    Super::EndPlay(EndPlayReason);
}
 
bool AGrippableSkeletalMeshActor::Server_EndClientAuthReplication_Validate()
{
    return true;
}
 
void AGrippableSkeletalMeshActor::Server_EndClientAuthReplication_Implementation()
{
    if (UWorld* World = GetWorld())
    {
        if (FPhysScene* PhysScene = World->GetPhysicsScene())
        {
            if (FPhysicsReplication* PhysicsReplication = PhysScene->GetPhysicsReplication())
            {
                PhysicsReplication->RemoveReplicatedTarget(this->GetSkeletalMeshComponent());
            }
        }
    }
}
 
bool AGrippableSkeletalMeshActor::Server_GetClientAuthReplication_Validate(const FRepMovementVR& newMovement)
{
    return true;
}
 
void AGrippableSkeletalMeshActor::Server_GetClientAuthReplication_Implementation(const FRepMovementVR& newMovement)
{
    if (!VRGripInterfaceSettings.bIsHeld)
    {
        if (!newMovement.Location.ContainsNaN() && !newMovement.Rotation.ContainsNaN())
        {
            FRepMovement& MovementRep = GetReplicatedMovement_Mutable();
            newMovement.CopyTo(MovementRep);
            OnRep_ReplicatedMovement();
        }
    }
}
 
void AGrippableSkeletalMeshActor::OnRep_AttachmentReplication()
{
    if (bAllowIgnoringAttachOnOwner && (ClientAuthReplicationData.bIsCurrentlyClientAuth || ShouldWeSkipAttachmentReplication()))
    //if (bAllowIgnoringAttachOnOwner && ShouldWeSkipAttachmentReplication())
    {
        return;
    }
 
    if (AttachmentWeldReplication.AttachParent)
    {
        if (RootComponent)
        {
            USceneComponent* AttachParentComponent = (AttachmentWeldReplication.AttachComponent ? AttachmentWeldReplication.AttachComponent : AttachmentWeldReplication.AttachParent->GetRootComponent());
 
            if (AttachParentComponent)
            {
                RootComponent->SetRelativeLocation_Direct(AttachmentWeldReplication.LocationOffset);
                RootComponent->SetRelativeRotation_Direct(AttachmentWeldReplication.RotationOffset);
                RootComponent->SetRelativeScale3D_Direct(AttachmentWeldReplication.RelativeScale3D);
 
                // If we're already attached to the correct Parent and Socket, then the update must be position only.
                // AttachToComponent would early out in this case.
                // Note, we ignore the special case for simulated bodies in AttachToComponent as AttachmentReplication shouldn't get updated
                // if the body is simulated (see AActor::GatherMovement).
                const bool bAlreadyAttached = (AttachParentComponent == RootComponent->GetAttachParent() && AttachmentWeldReplication.AttachSocket == RootComponent->GetAttachSocketName() && AttachParentComponent->GetAttachChildren().Contains(RootComponent));
                if (bAlreadyAttached)
                {
                    // Note, this doesn't match AttachToComponent, but we're assuming it's safe to skip physics (see comment above).
                    RootComponent->UpdateComponentToWorld(EUpdateTransformFlags::SkipPhysicsUpdate, ETeleportType::None);
                }
                else
                {
                    FAttachmentTransformRules attachRules = FAttachmentTransformRules::KeepRelativeTransform;
                    attachRules.bWeldSimulatedBodies = AttachmentWeldReplication.bIsWelded;
                    RootComponent->AttachToComponent(AttachParentComponent, attachRules, AttachmentWeldReplication.AttachSocket);
                }
            }
        }
    }
    else
    {
        DetachFromActor(FDetachmentTransformRules::KeepWorldTransform);
 
        // Handle the case where an object was both detached and moved on the server in the same frame.
        // Calling this extraneously does not hurt but will properly fire events if the movement state changed while attached.
        // This is needed because client side movement is ignored when attached
        if (IsReplicatingMovement())
        {
            OnRep_ReplicatedMovement();
        }
    }
}
 
void AGrippableSkeletalMeshActor::OnRep_ReplicateMovement()
{
    if (bAllowIgnoringAttachOnOwner && (ClientAuthReplicationData.bIsCurrentlyClientAuth || ShouldWeSkipAttachmentReplication()))
    //if (bAllowIgnoringAttachOnOwner && (ClientAuthReplicationData.bIsCurrentlyClientAuth || ShouldWeSkipAttachmentReplication()))
    {
        return;
    }
 
    if (RootComponent)
    {
        const FRepAttachment ReplicationAttachment = GetAttachmentReplication();
        if (!ReplicationAttachment.AttachParent)
        {
            const FRepMovement& RepMove = GetReplicatedMovement();
 
            // This "fix" corrects the simulation state not replicating over correctly
            // If you turn off movement replication, simulate an object, turn movement replication back on and un-simulate, it never knows the difference
            // This change ensures that it is checking against the current state
            if (RootComponent->IsSimulatingPhysics() != RepMove.bRepPhysics)//SavedbRepPhysics != ReplicatedMovement.bRepPhysics)
            {
                // Turn on/off physics sim to match server.
                SyncReplicatedPhysicsSimulation();
 
                // It doesn't really hurt to run it here, the super can call it again but it will fail out as they already match
            }
        }
    }
 
    Super::OnRep_ReplicateMovement();
}
 
void AGrippableSkeletalMeshActor::OnRep_ReplicatedMovement()
{
    if (bAllowIgnoringAttachOnOwner && (ClientAuthReplicationData.bIsCurrentlyClientAuth || ShouldWeSkipAttachmentReplication()))
    //if (ClientAuthReplicationData.bIsCurrentlyClientAuth && ShouldWeSkipAttachmentReplication(false))
    {
        return;
    }
 
    Super::OnRep_ReplicatedMovement();
}
 
void AGrippableSkeletalMeshActor::PostNetReceivePhysicState()
{
    if (bAllowIgnoringAttachOnOwner && (ClientAuthReplicationData.bIsCurrentlyClientAuth || ShouldWeSkipAttachmentReplication()))
    //if ((ClientAuthReplicationData.bIsCurrentlyClientAuth || VRGripInterfaceSettings.bIsHeld) && bAllowIgnoringAttachOnOwner && ShouldWeSkipAttachmentReplication(false))
    {
        return;
    }
 
    Super::PostNetReceivePhysicState();
}
 
void AGrippableSkeletalMeshActor::MarkComponentsAsPendingKill()
{
    Super::MarkComponentsAsPendingKill();
 
    for (int32 i = 0; i < GripLogicScripts.Num(); ++i)
    {
        if (UObject* SubObject = GripLogicScripts[i])
        {
            SubObject->MarkPendingKill();
        }
    }
 
    GripLogicScripts.Empty();
}
 
void AGrippableSkeletalMeshActor::PreDestroyFromReplication()
{
    Super::PreDestroyFromReplication();
 
    // Destroy any sub-objects we created
    for (int32 i = 0; i < GripLogicScripts.Num(); ++i)
    {
        if (UObject* SubObject = GripLogicScripts[i])
        {
            OnSubobjectDestroyFromReplication(SubObject); //-V595
            SubObject->PreDestroyFromReplication();
            SubObject->MarkPendingKill();
        }
    }
 
    for (UActorComponent* ActorComp : GetComponents())
    {
        // Pending kill components should have already had this called as they were network spawned and are being killed
        if (ActorComp && !ActorComp->IsPendingKill() && ActorComp->GetClass()->ImplementsInterface(UVRGripInterface::StaticClass()))
            ActorComp->PreDestroyFromReplication();
    }
 
    GripLogicScripts.Empty();
}
 
void AGrippableSkeletalMeshActor::BeginDestroy()
{
    Super::BeginDestroy();
 
    for (int32 i = 0; i < GripLogicScripts.Num(); i++)
    {
        if (UObject* SubObject = GripLogicScripts[i])
        {
            SubObject->MarkPendingKill();
        }
    }
 
    GripLogicScripts.Empty();
}
 
void AGrippableSkeletalMeshActor::GetSubobjectsWithStableNamesForNetworking(TArray<UObject*>& ObjList)
{
    Super::GetSubobjectsWithStableNamesForNetworking(ObjList);
 
    if (bReplicateGripScripts)
    {
        for (int32 i = 0; i < GripLogicScripts.Num(); ++i)
        {
            if (UObject* SubObject = GripLogicScripts[i])
            {
                ObjList.Add(SubObject);
            }
        }
    }
}