// Copyright (c), Firelight Technologies Pty, Ltd. 2012-2016.

#include "FMODStudioEditorPrivatePCH.h"
#include "FMODAudioComponentVisualizer.h"
#include "FMODAudioComponent.h"
#include "FMODUtils.h"
#include "FMODEvent.h"
#include "fmod_studio.hpp"

void FFMODAudioComponentVisualizer::DrawVisualization(const UActorComponent* Component, const FSceneView* View, FPrimitiveDrawInterface* PDI)
{
	if (View->Family->EngineShowFlags.AudioRadius)
	{
		const UFMODAudioComponent* AudioComp = Cast<const UFMODAudioComponent>(Component);
		if (AudioComp != nullptr && AudioComp->Event.IsValid())
		{
			FMOD::Studio::EventDescription* EventDesc = IFMODStudioModule::Get().GetEventDescription(AudioComp->Event.Get(), EFMODSystemContext::Auditioning);
			if (EventDesc != nullptr)
			{
				bool bIs3D = false;
				EventDesc->is3D(&bIs3D);
				if (bIs3D)
				{
					const FColor AudioOuterRadiusColor(255, 153, 0);
					const FColor AudioInnerRadiusColor(216, 130, 0);

					const FTransform& Transform = AudioComp->ComponentToWorld;

					float MinDistance = 0.0f;
					float MaxDistance = 0.0f;
					EventDesc->getMinimumDistance(&MinDistance);
					EventDesc->getMaximumDistance(&MaxDistance);
					MinDistance = FMODUtils::DistanceToUEScale(MinDistance);
					MaxDistance = FMODUtils::DistanceToUEScale(MaxDistance);

					DrawWireSphereAutoSides(PDI, Transform.GetTranslation(), AudioOuterRadiusColor, MinDistance, SDPG_World);
					if (MaxDistance != MinDistance)
					{
						DrawWireSphereAutoSides(PDI, Transform.GetTranslation(), AudioInnerRadiusColor, MaxDistance, SDPG_World);
					}
				}
			}
		}
	}
}