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o3de/Gems/LmbrCentral/Code/Source/Audio/AudioSystemComponent.h

82 lines
3.2 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Component/Component.h>
#include <LmbrCentral/Audio/AudioSystemComponentBus.h>
#include <CrySystemBus.h>
#include <IAudioInterfacesCommonData.h>
#include <ILevelSystem.h>
namespace LmbrCentral
{
/*!
* AudioSystemComponent
* Handles requests of a global context for the audio system.
* The requests are not tied to an AZ::Entity.
*/
class AudioSystemComponent
: public AZ::Component
, protected AudioSystemComponentRequestBus::Handler
, public CrySystemEventBus::Handler
, public ILevelSystemListener
{
public:
AZ_COMPONENT(AudioSystemComponent, "{666E28D2-FC99-4D41-861D-3758C5070653}");
static void Reflect(AZ::ReflectContext* context);
static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
AudioSystemComponent() = default;
~AudioSystemComponent() override = default;
protected:
////////////////////////////////////////////////////////////////////////
// AZ::Component interface implementation
void Init() override;
void Activate() override;
void Deactivate() override;
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// AudioSystemComponentRequestBus::Handler interface implementation
bool IsAudioSystemInitialized() override;
void GlobalStopAllSounds() override;
void GlobalMuteAudio() override;
void GlobalUnmuteAudio() override;
void GlobalRefreshAudio(AZStd::string_view levelName) override;
void GlobalExecuteAudioTrigger(const char* triggerName, AZ::EntityId callbackOwnerEntityId) override;
void GlobalKillAudioTrigger(const char* triggerName, AZ::EntityId callbackOwnerEntityId) override;
void GlobalSetAudioRtpc(const char* rtpcName, float value) override;
void GlobalResetAudioRtpcs() override;
void GlobalSetAudioSwitchState(const char* switchName, const char* stateName) override;
void LevelLoadAudio(AZStd::string_view levelName) override;
void LevelUnloadAudio() override;
////////////////////////////////////////////////////////////////////////
// CrySystemEventBus::Handler interface implementation
void OnCrySystemInitialized(ISystem&, const SSystemInitParams&) override;
void OnCrySystemShutdown(ISystem&) override;
////////////////////////////////////////////////////////////////////////
// ILevelSystemListener interface implementation
void OnLoadingStart(const char* levelName) override;
void OnUnloadComplete(const char* levelName) override;
private:
static void OnAudioEvent(const Audio::SAudioRequestInfo* const);
};
} // namespace LmbrCentral