billboards for sound actor

Source/ActorSpawningPlugin/Private/SoundSpawnActor.cpp

@@ -2,12 +2,18 @@
 
 #include "UObject/Object.h"
 #include "Kismet/GameplayStatics.h"
+#include "Components/BillboardComponent.h"
 
 DEFINE_LOG_CATEGORY(SoundSpawnActorLog);
 
-ASoundSpawnActor::ASoundSpawnActor()
+ASoundSpawnActor::ASoundSpawnActor(const FObjectInitializer& ObjectInitializer) :
+	Super(ObjectInitializer),
+	BillboardComponent(nullptr)
 {
 	UE_LOG(SoundSpawnActorLog, Log, TEXT("CTOR()"));
+
+    BillboardComponent = CreateDefaultSubobject<UBillboardComponent>(TEXT("Billboard"));
+    BillboardComponent->SetupAttachment(RootComponent);
 }
 
 ASoundSpawnActor::~ASoundSpawnActor()
@@ -37,3 +43,10 @@ void ASoundSpawnActor::SetSound(USoundBase* sound)
 	);
 }
 
+void ASoundSpawnActor::SetSprite(UTexture2D* sprite)
+{
+	BillboardComponent->SetSprite(sprite);
+	BillboardComponent->RegisterComponent();
+	BillboardComponent->bHiddenInGame = false; // NB: This defaults to true! :(
+}
+

Source/ActorSpawningPlugin/Private/SpawningActor.cpp

@@ -108,7 +108,7 @@ ASoundSpawnActor* ASpawningActor::SpawnSoundActor(USoundBase* sound)
 	// TODO(bt): Put this in front of the camera, or on the (camera -> player) arc!
 	float x = FMath::RandRange(-1000.0f, 1000.0f);
 	float y = FMath::RandRange(-1000.0f, 1000.0f);
-	float z = FMath::RandRange(1000.0f, 1000.0f);
+	float z = FMath::RandRange(50.0f, 50.0f);
 
 	FVector location(
 		playerLocation.X + x, 
@@ -132,6 +132,13 @@ ASoundSpawnActor* ASpawningActor::SpawnSoundActor(USoundBase* sound)
 	return actor;
 }
 
+ASoundSpawnActor* ASpawningActor::SpawnSoundActorWithText(USoundBase* sound, const FString& text)
+{
+	ASoundSpawnActor* actor = SpawnSoundActor(sound);
+
+	return actor;
+}
+
 FVector ASpawningActor::LookupPlayerLocation()
 {
 	return GetWorld()->GetFirstPlayerController()->GetPawn()->GetActorLocation();

Source/ActorSpawningPlugin/Public/SoundSpawnActor.h

@@ -17,13 +17,21 @@ class ACTORSPAWNINGPLUGIN_API ASoundSpawnActor : public AActor
 
 public:
 
-	ASoundSpawnActor();
+	ASoundSpawnActor(const FObjectInitializer& ObjectInitializer);
 	~ASoundSpawnActor();
 
+	/** Access to the optional billboard component */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SoundSpawnActor")
+	class UBillboardComponent* BillboardComponent;
+
 	/** Set the sound. */
 	UFUNCTION(BlueprintCallable, Category = "SoundSpawnActor")
 	void SetSound(USoundBase* sound);
 
+	/** Set a sprite. */
+	UFUNCTION(BlueprintCallable, Category = "SoundSpawnActor")
+	void SetSprite(UTexture2D* sprite);
+
 protected:
 	// Called when the game starts or when spawned
 	virtual void BeginPlay() override;

Source/ActorSpawningPlugin/Public/SpawningActor.h

@@ -36,6 +36,10 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "SpawningActor")
 	ASoundSpawnActor* SpawnSoundActor(USoundBase* sound);
 
+	/** Create sound actor with text. */
+	UFUNCTION(BlueprintCallable, Category = "SpawningActor")
+	ASoundSpawnActor* SpawnSoundActorWithText(USoundBase* sound, const FString& text);
+
 	/** Mesh to use */
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SpawningActor", meta = (AllowPrivateAccess = "true"))
 	class UStaticMeshComponent* BaseMesh;