Feat : Wwise Integration
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Alex
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#if !(UNITY_QNX) // Disable under unsupported platforms.
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/*******************************************************************************
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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 Unity(R) Terms of
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Service at https://unity3d.com/legal/terms-of-service
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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) 2026 Audiokinetic Inc.
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*******************************************************************************/
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using AK.Wwise.Unity.Logging;
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#if AK_WWISE_ADDRESSABLES && UNITY_ADDRESSABLES
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using AK.Wwise.Unity.WwiseAddressables;
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#endif
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public class AkSoundEngineController
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{
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private static AkSoundEngineController ms_Instance;
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public static AkSoundEngineController Instance
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{
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get
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{
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if (ms_Instance == null)
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{
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ms_Instance = new AkSoundEngineController();
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}
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return ms_Instance;
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}
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}
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private AkSoundEngineController()
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{
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#if UNITY_EDITOR
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UnityEditor.EditorApplication.pauseStateChanged += OnPauseStateChanged;
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UnityEditor.EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
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AkUnitySoundEngineInitialization.Instance.terminationDelegate += OnDisableEditorListener;
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AkUnitySoundEngineInitialization.Instance.initializationDelegate += OnEnableEditorListener;
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#endif
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}
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~AkSoundEngineController()
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{
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if (ms_Instance == this)
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{
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#if UNITY_EDITOR
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UnityEditor.EditorApplication.pauseStateChanged -= OnPauseStateChanged;
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UnityEditor.EditorApplication.playModeStateChanged -= OnPlayModeStateChanged;
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AkUnitySoundEngineInitialization.Instance.terminationDelegate -= OnDisableEditorListener;
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AkUnitySoundEngineInitialization.Instance.initializationDelegate -= OnEnableEditorListener;
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DisableEditorLateUpdate();
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#endif
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ms_Instance = null;
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}
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}
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#if UNITY_EDITOR
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public void EnableEditorLateUpdate()
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{
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UnityEditor.EditorApplication.update += LateUpdate;
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}
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public void DisableEditorLateUpdate()
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{
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UnityEditor.EditorApplication.update -= LateUpdate;
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}
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#endif
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public void LateUpdate()
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{
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//Execute callbacks that occurred in last frame (not the current update)
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AkRoomManager.Update();
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AkRoomAwareManager.UpdateRoomAwareObjects();
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AkCallbackManager.PostCallbacks();
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#if !(AK_WWISE_ADDRESSABLES && UNITY_ADDRESSABLES)
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AkBankManager.DoUnloadBanks();
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#elif WWISE_ADDRESSABLES_24_1_OR_LATER
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if (AkAddressableBankManager.Instance != null) ;
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{
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AkAddressableBankManager.Instance.DoUnloadBank();
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}
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#endif
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#if UNITY_WEBGL && !UNITY_EDITOR
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AkUnitySoundEngine.PerformStreamMgrIO();
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#endif
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AkUnitySoundEngine.RenderAudio();
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}
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#if AK_WWISE_ADDRESSABLES && UNITY_ADDRESSABLES
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private AkWwiseAddressablesInitializationSettings GetInitSettingsInstance()
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{
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return AkWwiseAddressablesInitializationSettings.Instance;
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}
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#else
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private AkWwiseInitializationSettings GetInitSettingsInstance()
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{
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return AkWwiseInitializationSettings.Instance;
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}
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#endif
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public void Init(AkInitializer akInitializer)
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{
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AkUnitySoundEngine.SetErrorLogger(AkLogger.WwiseInternalLogError);
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#if UNITY_EDITOR
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var arguments = System.Environment.GetCommandLineArgs();
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if (UnityEngine.Application.isBatchMode && System.Array.IndexOf(arguments, "-wwiseEnableWithNoGraphics") < 0)
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{
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WwiseLogger.Log("Sound engine will not be initialized in batch/nographics mode. To override, specify -wwiseEnableWithNoGraphics");
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return;
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}
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#endif
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// Only initialize the room manager during play.
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bool initRoomManager = true;
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#if UNITY_EDITOR
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if (!UnityEditor.EditorApplication.isPlaying)
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{
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initRoomManager = false;
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}
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#endif
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if (initRoomManager)
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{
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AkRoomManager.Init();
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}
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if (akInitializer == null)
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{
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WwiseLogger.Error("AkInitializer must not be null. Sound engine will not be initialized.");
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return;
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}
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var isInitialized = AkUnitySoundEngine.IsInitialized();
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if (isInitialized)
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{
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#if UNITY_EDITOR
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if (!UnityEditor.EditorApplication.isPlaying)
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{
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OnEnableEditorListener(akInitializer.gameObject);
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}
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if (AkUnitySoundEngineInitialization.Instance.ResetSoundEngine(UnityEngine.Application.isPlaying || UnityEditor.BuildPipeline.isBuildingPlayer))
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{
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EnableEditorLateUpdate();
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}
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if (UnityEditor.EditorApplication.isPaused && UnityEngine.Application.isPlaying)
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{
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AkUnitySoundEngine.Suspend(true);
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}
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#else
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WwiseLogger.Error("Sound engine is already initialized.");
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#endif
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return;
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}
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#if UNITY_EDITOR
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if (UnityEditor.BuildPipeline.isBuildingPlayer)
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{
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return;
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}
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#endif
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if (!AkUnitySoundEngineInitialization.Instance.InitializeSoundEngine())
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{
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return;
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}
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#if UNITY_EDITOR
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if (!UnityEditor.EditorApplication.isPlaying)
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{
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OnEnableEditorListener(akInitializer.gameObject);
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}
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EnableEditorLateUpdate();
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#endif
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}
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public void OnDisable()
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{
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#if UNITY_EDITOR
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if(UnityEditor.EditorApplication.isPlayingOrWillChangePlaymode)
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{
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OnDisableEditorListener();
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}
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if(!AkUnitySoundEngineInitialization.Instance.ShouldKeepSoundEngineEnabled())
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{
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Terminate();
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}
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#endif
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}
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public void Terminate()
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{
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AkUnitySoundEngine.SetErrorLogger();
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AkUnitySoundEngineInitialization.Instance.TerminateSoundEngine();
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AkRoomManager.Terminate();
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}
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// In the Editor, the sound needs to keep playing when switching windows (remote debugging in Wwise, for example).
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// On iOS, application interruptions are handled in the sound engine already.
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#if UNITY_EDITOR || UNITY_IOS
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public void OnApplicationPause(bool pauseStatus)
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{
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}
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public void OnApplicationFocus(bool focus)
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{
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#if UNITY_EDITOR
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ActivateAudio(focus,AkWwiseInitializationSettings.Instance.RenderDuringFocusLoss);
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#endif
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}
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#elif UNITY_WEBGL
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// On WebGL, allow background audio when browser is un-focused in development builds to make the Wwise Profiler usable.
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public void OnApplicationPause(bool pauseStatus)
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{
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if (!UnityEngine.Debug.isDebugBuild)
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{
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ActivateAudio(!pauseStatus);
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}
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}
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public void OnApplicationFocus(bool focus)
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{
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if (!UnityEngine.Debug.isDebugBuild)
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{
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ActivateAudio(focus, AkWwiseInitializationSettings.Instance.RenderDuringFocusLoss);
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}
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}
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#else
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public void OnApplicationPause(bool pauseStatus)
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{
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ActivateAudio(!pauseStatus);
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}
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public void OnApplicationFocus(bool focus)
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{
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#if !UNITY_ANDROID
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ActivateAudio(focus,AkWwiseInitializationSettings.Instance.RenderDuringFocusLoss);
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#endif
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}
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#endif
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#if UNITY_EDITOR
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// Enable/Disable the audio when pressing play/pause in the editor.
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private void OnPauseStateChanged(UnityEditor.PauseState pauseState)
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{
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if (UnityEngine.Application.isPlaying)
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{
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ActivateAudio(pauseState != UnityEditor.PauseState.Paused);
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}
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}
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private void OnPlayModeStateChanged(UnityEditor.PlayModeStateChange state)
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{
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if(state.HasFlag(UnityEditor.PlayModeStateChange.ExitingEditMode) || state.HasFlag(UnityEditor.PlayModeStateChange.ExitingPlayMode))
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{
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AkUnitySoundEngine.StopAll();
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}
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}
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#endif
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#if UNITY_EDITOR || !UNITY_IOS
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private void ActivateAudio(bool activate, bool renderAnyway = false)
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{
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if (AkUnitySoundEngine.IsInitialized() && AkWwiseInitializationSettings.Instance.SuspendAudioDuringFocusLoss)
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{
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if (activate)
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{
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AkUnitySoundEngine.WakeupFromSuspend();
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}
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else
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{
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AkUnitySoundEngine.Suspend(renderAnyway);
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}
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AkUnitySoundEngine.RenderAudio();
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}
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}
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#endif
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#if UNITY_EDITOR
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#region Editor Listener
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private UnityEngine.GameObject editorListenerGameObject;
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private bool IsPlayingOrIsNotInitialized
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{
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get { return UnityEngine.Application.isPlaying || !AkUnitySoundEngine.IsInitialized(); }
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}
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public bool EditorListenerIsInitialized()
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{
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return editorListenerGameObject != null;
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}
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private void OnEnableEditorListener()
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{
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OnEnableEditorListener(AkInitializer.GetAkInitializerGameObject());
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}
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private void OnEnableEditorListener(UnityEngine.GameObject gameObject)
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{
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if (editorListenerGameObject != null || IsPlayingOrIsNotInitialized)
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{
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return;
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}
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if(gameObject == null)
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{
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return;
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}
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editorListenerGameObject = gameObject;
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AkUnitySoundEngine.RegisterGameObj(editorListenerGameObject, editorListenerGameObject.name);
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// Do not create AkGameObj component when adding this listener
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var id = AkUnitySoundEngine.GetAkGameObjectID(editorListenerGameObject);
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AkUnitySoundEngine.AddDefaultListener(id);
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UnityEditor.EditorApplication.update += UpdateEditorListenerPosition;
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}
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private void OnDisableEditorListener()
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{
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if (IsPlayingOrIsNotInitialized || editorListenerGameObject == null)
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{
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return;
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}
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UnityEditor.EditorApplication.update -= UpdateEditorListenerPosition;
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var id = AkUnitySoundEngine.GetAkGameObjectID(editorListenerGameObject);
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AkUnitySoundEngine.RemoveDefaultListener(id);
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AkUnitySoundEngine.UnregisterGameObj(editorListenerGameObject);
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editorListenerGameObject = null;
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editorListenerForward = UnityEngine.Vector3.zero;
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editorListenerPosition = UnityEngine.Vector3.zero;
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editorListenerUp = UnityEngine.Vector3.zero;
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}
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private UnityEngine.Vector3 editorListenerPosition = UnityEngine.Vector3.zero;
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private UnityEngine.Vector3 editorListenerForward = UnityEngine.Vector3.zero;
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private UnityEngine.Vector3 editorListenerUp = UnityEngine.Vector3.zero;
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private void UpdateEditorListenerPosition()
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{
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if (IsPlayingOrIsNotInitialized || editorListenerGameObject == null)
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{
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return;
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}
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if (UnityEditor.SceneView.lastActiveSceneView == null)
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{
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return;
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}
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var sceneViewCamera = UnityEditor.SceneView.lastActiveSceneView.camera;
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if (sceneViewCamera == null)
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{
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return;
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}
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var sceneViewTransform = sceneViewCamera.transform;
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if (sceneViewTransform == null)
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{
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return;
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}
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if (editorListenerPosition == sceneViewTransform.position &&
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editorListenerForward == sceneViewTransform.forward &&
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editorListenerUp == sceneViewTransform.up)
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{
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return;
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}
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AkUnitySoundEngine.SetObjectPosition(editorListenerGameObject, sceneViewTransform);
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editorListenerPosition = sceneViewTransform.position;
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editorListenerForward = sceneViewTransform.forward;
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editorListenerUp = sceneViewTransform.up;
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}
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#endregion
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#endif // UNITY_EDITOR
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}
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#endif // #if !(UNITY_QNX) // Disable under unsupported platforms.
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