Add line support to vis component

Source/StevesUEHelpers/Private/StevesEditorVisComponent.cpp

@@ -27,6 +27,11 @@ FPrimitiveSceneProxy* UStevesEditorVisComponent::CreateSceneProxy()
 	auto Ret = new FStevesDebugRenderSceneProxy(this);
 
 	const FTransform& XForm = GetComponentTransform();
+	for (auto& L : Lines)
+	{
+		Ret->Lines.Add(FDebugRenderSceneProxy::FDebugLine(XForm.TransformPosition(L.Start),
+		                                                  XForm.TransformPosition(L.End), L.Colour));
+	}
 	for (auto& C : Circles)
 	{
 		FQuat WorldRot = XForm.TransformRotation(C.Rotation.Quaternion());
@@ -47,6 +52,12 @@ FBoxSphereBounds UStevesEditorVisComponent::CalcBounds(const FTransform& LocalTo
 	FBoxSphereBounds B = Super::CalcBounds(LocalToWorld);
 
 	// Now we need to merge in all components
+	for (auto& L : Lines)
+	{
+		// Re-centre the origin of the line to make box extents 
+		FVector Extents = L.Start.GetAbs().ComponentMax(L.End.GetAbs());
+		B = B + FBoxSphereBounds(FVector::ZeroVector, Extents, Extents.GetMax());
+	}
 	for (auto& C : Circles)
 	{
 		B = B + FBoxSphereBounds(C.Location, FVector(C.Radius), C.Radius);

Source/StevesUEHelpers/Public/StevesEditorVisComponent.h

@@ -7,6 +7,37 @@
 #include "StevesEditorVisComponent.generated.h"
 
 
+USTRUCT(BlueprintType)
+struct FStevesEditorVisLine
+{
+	GENERATED_BODY()
+
+	/// Start location relative to component
+	UPROPERTY(EditAnywhere)
+	FVector Start;
+	/// End location relative to component
+	UPROPERTY(EditAnywhere)
+	FVector End;
+	/// The colour of the line render 
+	UPROPERTY(EditAnywhere)
+	FColor Colour;
+
+	FStevesEditorVisLine(const FVector& InStart, const FVector& InEnd, 
+		const FColor& InColour)
+		: Start(InStart),
+		End(InEnd),
+		Colour(Colour)
+	{
+	}
+
+	FStevesEditorVisLine():
+		Start(FVector::ZeroVector),
+		End(FVector(100,0,0)),
+		Colour(FColor::White)
+	{
+	}
+};
+
 USTRUCT(BlueprintType)
 struct FStevesEditorVisCircle
 {
@@ -28,13 +59,13 @@ struct FStevesEditorVisCircle
 	UPROPERTY(EditAnywhere)
 	FColor Colour;
 
-	FStevesEditorVisCircle(const FVector& Location, const FRotator& Rotation, float Radius, int NumSegments,
+	FStevesEditorVisCircle(const FVector& InLocation, const FRotator& InRotation, float InRadius, int InNumSegments,
-		const FColor& Colour)
+		const FColor& InColour)
-		: Location(Location),
+		: Location(InLocation),
-		  Rotation(Rotation),
+		  Rotation(InRotation),
-		  Radius(Radius),
+		  Radius(InRadius),
-		  NumSegments(NumSegments),
+		  NumSegments(InNumSegments),
-		  Colour(Colour)
+		  Colour(InColour)
 	{
 	}
 
@@ -58,13 +89,16 @@ struct FStevesEditorVisCircle
  * If you want to, you can add this to your Blueprints too. This component automatically marks itself as "visualisation
  * only" so shouldn't have a runtime impact.
  */
-UCLASS(ClassGroup="Debug", hidecategories=(Collision,Physics,Object,LOD,Lighting,TextureStreaming), meta=(DisplayName="Steves Editor Visualisation", BlueprintSpawnableComponent))
+UCLASS(Blueprintable, ClassGroup="Utility", hidecategories=(Collision,Physics,Object,LOD,Lighting,TextureStreaming), meta=(DisplayName="Steves Editor Visualisation", BlueprintSpawnableComponent))
 class STEVESUEHELPERS_API UStevesEditorVisComponent : public UPrimitiveComponent
 {
 	GENERATED_BODY()
 public:
+	
 	/// Circles to render
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TArray<FStevesEditorVisLine> Lines;
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	TArray<FStevesEditorVisCircle> Circles;
 
 	UStevesEditorVisComponent(const FObjectInitializer& ObjectInitializer);