100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*******************************************************************************
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The content of this file includes portions of the proprietary AUDIOKINETIC Wwise
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Technology released in source code form as part of the game integration package.
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The content of this file may not be used without valid licenses to the
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AUDIOKINETIC Wwise Technology.
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Note that the use of the game engine is subject to the Unreal(R) Engine End User
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License Agreement at https://www.unrealengine.com/en-US/eula/unreal
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License Usage
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Licensees holding valid licenses to the AUDIOKINETIC Wwise Technology may use
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this file in accordance with the end user license agreement provided with the
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software or, alternatively, in accordance with the terms contained
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in a written agreement between you and Audiokinetic Inc.
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Copyright (c) 2023 Audiokinetic Inc.
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*******************************************************************************/
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#include "MovieSceneAkAudioRTPCTemplate.h"
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#include "AkAudioDevice.h"
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#include "MovieSceneAkAudioRTPCSection.h"
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#include "MovieSceneExecutionToken.h"
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#include "IMovieScenePlayer.h"
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FMovieSceneAkAudioRTPCSectionData::FMovieSceneAkAudioRTPCSectionData(const UMovieSceneAkAudioRTPCSection& Section)
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: RTPCName(Section.GetRTPCName())
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, RTPCChannel(Section.GetChannel())
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{
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}
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struct FAkAudioRTPCEvaluationData : IPersistentEvaluationData
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{
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TSharedPtr<FMovieSceneAkAudioRTPCSectionData> SectionData;
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};
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struct FAkAudioRTPCExecutionToken : IMovieSceneExecutionToken
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{
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virtual void Execute(const FMovieSceneContext& Context, const FMovieSceneEvaluationOperand& Operand, FPersistentEvaluationData& PersistentData, IMovieScenePlayer& Player) override
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{
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auto AudioDevice = FAkAudioDevice::Get();
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if (!AudioDevice)
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{
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return;
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}
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TSharedPtr<FMovieSceneAkAudioRTPCSectionData> SectionData = PersistentData.GetSectionData<FAkAudioRTPCEvaluationData>().SectionData;
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if (SectionData.IsValid())
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{
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auto RTPCNameString = *(SectionData->RTPCName);
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float Value;
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SectionData->RTPCChannel.Evaluate(Context.GetTime(), Value);
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if (Operand.ObjectBindingID.IsValid())
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{ // Object binding audio track
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for (auto ObjectPtr : Player.FindBoundObjects(Operand))
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{
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auto Object = ObjectPtr.Get();
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if (Object)
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{
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auto Actor = CastChecked<AActor>(Object);
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if (Actor)
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{
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AudioDevice->SetRTPCValue(RTPCNameString, Value, 0, Actor);
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}
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}
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}
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}
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else
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{ // Master audio track
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AudioDevice->SetRTPCValue(RTPCNameString, Value, 0, nullptr);
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}
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}
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}
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};
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FMovieSceneAkAudioRTPCTemplate::FMovieSceneAkAudioRTPCTemplate(const UMovieSceneAkAudioRTPCSection& InSection)
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: Section(&InSection)
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{
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if (!Section->GetRTPCName().Len())
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{
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Section = nullptr;
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}
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}
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void FMovieSceneAkAudioRTPCTemplate::Evaluate(const FMovieSceneEvaluationOperand& Operand, const FMovieSceneContext& Context, const FPersistentEvaluationData& PersistentData, FMovieSceneExecutionTokens& ExecutionTokens) const
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{
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ExecutionTokens.Add(FAkAudioRTPCExecutionToken());
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}
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void FMovieSceneAkAudioRTPCTemplate::Setup(FPersistentEvaluationData& PersistentData, IMovieScenePlayer& Player) const
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{
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if (Section != nullptr)
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{
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PersistentData.AddSectionData<FAkAudioRTPCEvaluationData>().SectionData = MakeShareable(new FMovieSceneAkAudioRTPCSectionData(*Section));
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}
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}
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