Initial commit

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

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include "LmbrCentral_precompiled.h"
+#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")
+                ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::Preview)
+                ->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