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o3de/Gems/LmbrCentral/Code/Source/Audio/AudioRtpcComponent.cpp

97 lines
3.3 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
*
*/
#include "AudioRtpcComponent.h"
#include <ISystem.h>
#include <LmbrCentral/Audio/AudioProxyComponentBus.h>
#include <AzCore/Component/Entity.h>
#include <AzCore/Debug/Trace.h>
#include <AzCore/RTTI/BehaviorContext.h>
#include <AzCore/Serialization/SerializeContext.h>
namespace LmbrCentral
{
void AudioRtpcComponent::Reflect(AZ::ReflectContext* context)
{
auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<AudioRtpcComponent, AZ::Component>()
->Version(1)
->Field("Rtpc Name", &AudioRtpcComponent::m_defaultRtpcName)
;
}
if (auto behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
{
behaviorContext->EBus<AudioRtpcComponentRequestBus>("AudioRtpcComponentRequestBus")
->Event("SetValue", &AudioRtpcComponentRequestBus::Events::SetValue)
->Event("SetRtpcValue", &AudioRtpcComponentRequestBus::Events::SetRtpcValue)
;
}
}
//=========================================================================
void AudioRtpcComponent::Activate()
{
OnRtpcNameChanged();
AudioRtpcComponentRequestBus::Handler::BusConnect(GetEntityId());
}
//=========================================================================
void AudioRtpcComponent::Deactivate()
{
AudioRtpcComponentRequestBus::Handler::BusDisconnect(GetEntityId());
}
//=========================================================================
void AudioRtpcComponent::SetValue(float value)
{
if (m_defaultRtpcID != INVALID_AUDIO_CONTROL_ID)
{
AudioProxyComponentRequestBus::Event(GetEntityId(), &AudioProxyComponentRequestBus::Events::SetRtpcValue, m_defaultRtpcID, value);
}
}
//=========================================================================
AudioRtpcComponent::AudioRtpcComponent(const AZStd::string& rtpcName)
: m_defaultRtpcName(rtpcName)
{
}
//=========================================================================
void AudioRtpcComponent::SetRtpcValue(const char* rtpcName, float value)
{
if (rtpcName && rtpcName[0] != '\0')
{
Audio::TAudioControlID rtpcID = INVALID_AUDIO_CONTROL_ID;
Audio::AudioSystemRequestBus::BroadcastResult(rtpcID, &Audio::AudioSystemRequestBus::Events::GetAudioRtpcID, rtpcName);
if (rtpcID != INVALID_AUDIO_CONTROL_ID)
{
AudioProxyComponentRequestBus::Event(GetEntityId(), &AudioProxyComponentRequestBus::Events::SetRtpcValue, rtpcID, value);
}
}
}
//=========================================================================
void AudioRtpcComponent::OnRtpcNameChanged()
{
m_defaultRtpcID = INVALID_AUDIO_CONTROL_ID;
if (!m_defaultRtpcName.empty())
{
Audio::AudioSystemRequestBus::BroadcastResult(m_defaultRtpcID, &Audio::AudioSystemRequestBus::Events::GetAudioRtpcID, m_defaultRtpcName.c_str());
}
}
} // namespace LmbrCentral