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

98 lines
3.7 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 "AudioEnvironmentComponent.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 AudioEnvironmentComponent::Reflect(AZ::ReflectContext* context)
{
auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<AudioEnvironmentComponent, AZ::Component>()
->Version(1)
->Field("Environment name", &AudioEnvironmentComponent::m_defaultEnvironmentName)
;
}
if (auto behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
{
behaviorContext->EBus<AudioEnvironmentComponentRequestBus>("AudioEnvironmentComponentRequestBus")
->Event("SetAmount", &AudioEnvironmentComponentRequestBus::Events::SetAmount)
->Event("SetEnvironmentAmount", &AudioEnvironmentComponentRequestBus::Events::SetEnvironmentAmount);
}
}
//=========================================================================
void AudioEnvironmentComponent::Activate()
{
OnDefaultEnvironmentChanged();
AudioEnvironmentComponentRequestBus::Handler::BusConnect(GetEntityId());
}
//=========================================================================
void AudioEnvironmentComponent::Deactivate()
{
AudioEnvironmentComponentRequestBus::Handler::BusDisconnect(GetEntityId());
}
//=========================================================================
AudioEnvironmentComponent::AudioEnvironmentComponent(const AZStd::string& environmentName)
: m_defaultEnvironmentName(environmentName)
{
}
//=========================================================================
void AudioEnvironmentComponent::SetAmount(float amount)
{
// set amount on the default Environment (if set)
if (m_defaultEnvironmentID != INVALID_AUDIO_ENVIRONMENT_ID)
{
AudioProxyComponentRequestBus::Event(GetEntityId(), &AudioProxyComponentRequestBus::Events::SetEnvironmentAmount, m_defaultEnvironmentID, amount);
}
}
//=========================================================================
void AudioEnvironmentComponent::SetEnvironmentAmount(const char* environmentName, float amount)
{
Audio::TAudioEnvironmentID environmentID = INVALID_AUDIO_ENVIRONMENT_ID;
if (environmentName && environmentName[0] != '\0')
{
Audio::AudioSystemRequestBus::BroadcastResult(environmentID, &Audio::AudioSystemRequestBus::Events::GetAudioEnvironmentID, environmentName);
}
if (environmentID != INVALID_AUDIO_ENVIRONMENT_ID)
{
AudioProxyComponentRequestBus::Event(GetEntityId(), &AudioProxyComponentRequestBus::Events::SetEnvironmentAmount, environmentID, amount);
}
}
//=========================================================================
void AudioEnvironmentComponent::OnDefaultEnvironmentChanged()
{
m_defaultEnvironmentID = INVALID_AUDIO_ENVIRONMENT_ID;
if (!m_defaultEnvironmentName.empty())
{
Audio::AudioSystemRequestBus::BroadcastResult(m_defaultEnvironmentID, &Audio::AudioSystemRequestBus::Events::GetAudioEnvironmentID, m_defaultEnvironmentName.c_str());
}
}
} // namespace LmbrCentral