- removed unneeded validate check in trace

- added on scene changed broadcasts back in, not complete yet
- fixed UI not rotating to correct head position

Source/OptiX/Private/OptiXContextManager.cpp

@@ -103,18 +103,6 @@ void FOptiXContextManager::PreRenderViewFamily_RenderThread(FRHICommandListImmed
 	ParseUpdateQueue(RHICmdList);
 	ParseCubemapUpdateQueue(RHICmdList);
 
-	try
-	{
-		NativeContext->validate();
-	}
-	catch (optix::Exception& E)
-	{
-		FString Message = FString(E.getErrorString().c_str());
-		UE_LOG(OptiXContextManagerLog, Error, TEXT("OptiX Error: %s"), *Message);
-		GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Red, FString::Printf(TEXT("OptiX Error %s"), *Message));
-	}
-
-
 	// launch the laser trace if needed (todo)
 	LaunchLaser(RHICmdList);
 }
@@ -249,7 +237,7 @@ void FOptiXContextManager::PostRenderView_RenderThread(FRHICommandListImmediate
 void FOptiXContextManager::LaunchLaser(FRHICommandListImmediate & RHICmdList)
 {
 	TRACE_CPUPROFILER_EVENT_SCOPE(TEXT("FOptiXContextManager::LaunchLaser"))
-	if (/*bSceneChanged && */ bIsInitializedLaser && !CVarDisableLaserTrace.GetValueOnRenderThread())
+	if (bSceneChanged &&  bIsInitializedLaser && !CVarDisableLaserTrace.GetValueOnRenderThread())
 	{
 
 		// Analyze this

Source/OptiX/Private/OptiXLaserComponent.cpp

@@ -150,6 +150,7 @@ void UOptiXLaserComponent::BeginPlay()
 	SetWavelength(Wavelength);
 	SetLaserWidth(LaserWidth);
 
+	FOptiXModule::Get().GetOptiXContextManager()->OnSceneChangedDelegate.Broadcast();
 	//FOptiXModule::Get().GetOptiXContextManager()->bIsInitializedLaser.AtomicSet(true);
 
 }

Source/OptiX/Private/OptiXObjectComponent.cpp

@@ -33,6 +33,7 @@ void UOptiXObjectComponent::BeginPlay()
 	UE_LOG(LogTemp, Display, TEXT("OptiX Component BeginPlay"));
 
 	bWantsOnUpdateTransform = true;
+	FOptiXModule::Get().GetOptiXContextManager()->OnSceneChangedDelegate.Broadcast();
 }
 
 void UOptiXObjectComponent::EndPlay(const EEndPlayReason::Type EndPlayReason)
@@ -160,6 +161,7 @@ void UOptiXCubemapComponent::BeginPlay()
 	//QueueOptiXContextUpdate();
 
 	bWantsOnUpdateTransform = true;
+	FOptiXModule::Get().GetOptiXContextManager()->OnSceneChangedDelegate.Broadcast();
 }
 
 void UOptiXCubemapComponent::EndPlay(const EEndPlayReason::Type EndPlayReason)

Source/OptiX/Private/OptiXVRPawn.cpp

@@ -15,14 +15,13 @@ AOptiXVRPawn::AOptiXVRPawn()
 {
 	// Set this pawn to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
 	PrimaryActorTick.bCanEverTick = true;
-
 }
 
 // Called when the game starts or when spawned
 void AOptiXVRPawn::BeginPlay()
 {
 	Super::BeginPlay();
-
+	//HMDLocation = UGameplayStatics::GetPlayerController(GetWorld(), 0)->GetViewTarget()->GetActorLocation();
 }
 
 // Called every frame
@@ -38,7 +37,6 @@ void AOptiXVRPawn::Tick(float DeltaTime)
 void AOptiXVRPawn::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
 {
 	Super::SetupPlayerInputComponent(PlayerInputComponent);
-
 }
 
 void AOptiXVRPawn::UpdateTranslation(UPrimitiveComponent* Interaction)

Source/OptiX/Private/SelectableActorBase.cpp

@@ -7,7 +7,6 @@
 #include "Blueprint/UserWidget.h"
 #include "Runtime/Engine/Classes/Materials/MaterialInstanceDynamic.h"
 
-#include "OptiXVRPawn.h"
 #include "StatsDefines.h"
 
 ASelectableActorBase::ASelectableActorBase(const FObjectInitializer& ObjectInitializer)
@@ -348,6 +347,8 @@ void ASelectableActorBase::BeginPlay()
 {
 	Super::BeginPlay();
 
+	OptiXVRPawn = Cast<AOptiXVRPawn>(UGameplayStatics::GetPlayerPawn(GetWorld(), 0));
+
 	ArrowX->CreateAndSetMaterialInstanceDynamicFromMaterial(0, ArrowX->GetMaterial(0));
 	ArrowX->CreateAndSetMaterialInstanceDynamicFromMaterial(1, ArrowX->GetMaterial(1));
 	ArrowY->CreateAndSetMaterialInstanceDynamicFromMaterial(0, ArrowY->GetMaterial(0));
@@ -380,8 +381,8 @@ void ASelectableActorBase::Tick(float DeltaTime)
 	Super::Tick(DeltaTime);
 	TRACE_CPUPROFILER_EVENT_SCOPE(TEXT("ASelectableActorBase::Tick"))
 
-
-	FVector PlayerLocation = UGameplayStatics::GetPlayerPawn(GetWorld(), 0)->GetActorLocation();
+	//FVector PlayerLocation = UGameplayStatics::GetPlayerPawn(GetWorld(), 0)->GetActorLocation();
+	FVector PlayerLocation = OptiXVRPawn->HMDLocation;
 	{
 		FVector Diff = PlayerLocation - DegreeWidgetV->GetComponentTransform().GetLocation();
 		FVector Projected = FVector::VectorPlaneProject(Diff, FVector(0, 0, 1));
@@ -436,7 +437,6 @@ void ASelectableActorBase::EnableTranslation()
 	ArrowY->SetGenerateOverlapEvents(true);
 	ArrowZ->SetGenerateOverlapEvents(true);
 
-	AOptiXVRPawn* OptiXVRPawn = Cast<AOptiXVRPawn>(UGameplayStatics::GetPlayerPawn(GetWorld(), 0));
 	if (OptiXVRPawn)
 	{
 		OptiXVRPawn->UIEventTranslation();
@@ -455,7 +455,6 @@ void ASelectableActorBase::EnableRotation()
 	ArrowY->SetGenerateOverlapEvents(false);
 	ArrowZ->SetGenerateOverlapEvents(false);
 
-	AOptiXVRPawn* OptiXVRPawn = Cast<AOptiXVRPawn>(UGameplayStatics::GetPlayerPawn(GetWorld(), 0));
 	if (OptiXVRPawn)
 	{
 		OptiXVRPawn->UIEventRotation();
@@ -464,7 +463,6 @@ void ASelectableActorBase::EnableRotation()
 
 void ASelectableActorBase::DeselectActor()
 {
-	AOptiXVRPawn* OptiXVRPawn = Cast<AOptiXVRPawn>(UGameplayStatics::GetPlayerPawn(GetWorld(), 0));
 	if (OptiXVRPawn)
 	{
 		OptiXVRPawn->UIEventDeselect();
@@ -474,7 +472,6 @@ void ASelectableActorBase::DeselectActor()
 
 void ASelectableActorBase::DeleteActor()
 {
-	AOptiXVRPawn* OptiXVRPawn = Cast<AOptiXVRPawn>(UGameplayStatics::GetPlayerPawn(GetWorld(), 0));
 	if (OptiXVRPawn)
 	{
 		OptiXVRPawn->UIEventDelete();

Source/OptiX/Public/OptiXVRPawn.h

@@ -5,6 +5,8 @@
 #include "CoreMinimal.h"
 #include "GameFramework/Pawn.h"
 #include "Components/SceneCaptureComponent2D.h"
+#include "Camera/CameraComponent.h"
+
 #include "OptiXVRPawn.generated.h"
 
 
@@ -84,4 +86,8 @@ public:
 
 	UPROPERTY(BlueprintReadWrite, EditAnywhere)
 	float Damping = 0.1f;
+
+	// Hacky but who cares, BP write into this
+	UPROPERTY(BlueprintReadWrite, EditAnywhere)
+	FVector HMDLocation;
 };

Source/OptiX/Public/SelectableActorBase.h

@@ -5,6 +5,7 @@
 #include "CoreMinimal.h"
 #include "Engine/StaticMeshActor.h"
 #include "Components/WidgetComponent.h"
+#include "OptiXVRPawn.h"
 
 
 #include "SelectableActorBase.generated.h"
@@ -67,6 +68,9 @@ public:
 
 public:
 
+	UPROPERTY(BlueprintReadOnly, VisibleAnywhere)
+	AOptiXVRPawn* OptiXVRPawn;
+
 	UPROPERTY(BlueprintReadWrite, EditAnywhere)
 	USceneComponent* Gizmo;