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429 lines
13 KiB
429 lines
13 KiB
using UnityEngine;
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using UnityEngine.Audio;
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using System.Collections;
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using System.Collections.Generic;
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#if UNITY_EDITOR
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using UnityEditor;
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using System;
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using System.Reflection;
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#endif
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namespace OVR
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{
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public enum PreloadSounds {
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Default, // default unity behavior
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Preload, // audio clips are forced to preload
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ManualPreload, // audio clips are forced to not preload, preloading must be done manually
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}
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public enum Fade
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{
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In,
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Out
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}
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[System.Serializable]
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public class SoundGroup {
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public SoundGroup( string name ) {
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this.name = name;
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}
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public SoundGroup() {
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mixerGroup = null;
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maxPlayingSounds = 0;
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preloadAudio = PreloadSounds.Default;
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volumeOverride = 1.0f;
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}
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public void IncrementPlayCount() {
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playingSoundCount = Mathf.Clamp( ++playingSoundCount, 0, maxPlayingSounds );
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}
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public void DecrementPlayCount() {
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playingSoundCount = Mathf.Clamp( --playingSoundCount, 0, maxPlayingSounds );
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}
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public bool CanPlaySound() {
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return ( maxPlayingSounds == 0 ) || ( playingSoundCount < maxPlayingSounds );
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}
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public string name = string.Empty;
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public SoundFX[] soundList = new SoundFX[0];
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public AudioMixerGroup mixerGroup = null; // default = AudioManager.defaultMixerGroup
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[Range(0,64)]
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public int maxPlayingSounds = 0; // default = 0, unlimited
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// TODO: this preload behavior is not yet implemented
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public PreloadSounds preloadAudio = PreloadSounds.Default; // default = true, audio clip data will be preloaded
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public float volumeOverride = 1.0f; // default = 1.0
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[HideInInspector]
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public int playingSoundCount = 0;
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}
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/*
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-----------------------
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AudioManager
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-----------------------
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*/
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public partial class AudioManager : MonoBehaviour {
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[Tooltip("Make the audio manager persistent across all scene loads")]
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public bool makePersistent = true; // true = don't destroy on load
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[Tooltip("Enable the OSP audio plugin features")]
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public bool enableSpatializedAudio = true; // true = enable spatialized audio
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[Tooltip("Always play spatialized sounds with no reflections (Default)")]
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public bool enableSpatializedFastOverride = false; // true = disable spatialized reflections override
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[Tooltip("The audio mixer asset used for snapshot blends, etc.")]
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public AudioMixer audioMixer = null;
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[Tooltip( "The audio mixer group used for the pooled emitters" )]
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public AudioMixerGroup defaultMixerGroup = null;
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[Tooltip( "The audio mixer group used for the reserved pool emitter" )]
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public AudioMixerGroup reservedMixerGroup = null;
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[Tooltip( "The audio mixer group used for voice chat" )]
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public AudioMixerGroup voiceChatMixerGroup = null;
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[Tooltip("Log all PlaySound calls to the Unity console")]
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public bool verboseLogging = false; // true = log all PlaySounds
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[Tooltip("Maximum sound emitters")]
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public int maxSoundEmitters = 32; // total number of sound emitters created
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[Tooltip("Default volume for all sounds modulated by individual sound FX volumes")]
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public float volumeSoundFX = 1.0f; // user pref: volume of all sound FX
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[Tooltip("Sound FX fade time")]
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public float soundFxFadeSecs = 1.0f; // sound FX fade time
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public float audioMinFallOffDistance = 1.0f; // minimum falloff distance
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public float audioMaxFallOffDistance = 25.0f; // maximum falloff distance
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public SoundGroup[] soundGroupings = new SoundGroup[0];
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private Dictionary<string,SoundFX> soundFXCache = null;
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static private AudioManager theAudioManager = null;
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static private FastList<string> names = new FastList<string>();
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static private string[] defaultSound = new string[1] { "Default Sound" };
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static private SoundFX nullSound = new SoundFX();
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static private bool hideWarnings = false;
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static public bool enableSpatialization { get { return ( theAudioManager !=null ) ? theAudioManager.enableSpatializedAudio : false; } }
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static public AudioManager Instance { get { return theAudioManager; } }
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static public float NearFallOff { get { return theAudioManager.audioMinFallOffDistance; } }
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static public float FarFallOff { get { return theAudioManager.audioMaxFallOffDistance; } }
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static public AudioMixerGroup EmitterGroup { get { return theAudioManager.defaultMixerGroup; } }
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static public AudioMixerGroup ReservedGroup { get { return theAudioManager.reservedMixerGroup; } }
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static public AudioMixerGroup VoipGroup { get { return theAudioManager.voiceChatMixerGroup; } }
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/*
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-----------------------
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Awake()
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-----------------------
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*/
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void Awake() {
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Init();
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}
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/*
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-----------------------
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OnDestroy()
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-----------------------
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*/
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void OnDestroy() {
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// we only want the initialized audio manager instance cleaning up the sound emitters
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if ( theAudioManager == this ) {
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if ( soundEmitterParent != null ) {
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Destroy( soundEmitterParent );
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}
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}
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///TODO - if you change scenes you'll want to call OnPreSceneLoad to detach the sound emitters
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///from anything they might be parented to or they will get destroyed with that object
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///there should only be one instance of the AudioManager across the life of the game/app
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///GameManager.OnPreSceneLoad -= OnPreSceneLoad;
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}
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/*
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-----------------------
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Init()
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-----------------------
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*/
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void Init() {
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if ( theAudioManager != null ) {
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if ( Application.isPlaying && ( theAudioManager != this ) ) {
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enabled = false;
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}
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return;
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}
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theAudioManager = this;
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///TODO - if you change scenes you'll want to call OnPreSceneLoad to detach the sound emitters
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///from anything they might be parented to or they will get destroyed with that object
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///there should only be one instance of the AudioManager across the life of the game/app
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///GameManager.OnPreSceneLoad += OnPreSceneLoad;
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// make sure the first one is a null sound
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nullSound.name = "Default Sound";
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// build the sound FX cache
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RebuildSoundFXCache();
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// create the sound emitters
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if ( Application.isPlaying ) {
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InitializeSoundSystem();
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if ( makePersistent && ( transform.parent == null ) ) {
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// don't destroy the audio manager on scene loads
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DontDestroyOnLoad( gameObject );
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}
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}
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#if UNITY_EDITOR
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Debug.Log( "[AudioManager] Initialized..." );
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#endif
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}
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/*
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-----------------------
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Update()
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-----------------------
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*/
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void Update() {
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// update the free and playing lists
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UpdateFreeEmitters();
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}
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/*
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-----------------------
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RebuildSoundFXCache()
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-----------------------
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*/
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void RebuildSoundFXCache() {
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// build the SoundFX dictionary for quick name lookups
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int count = 0;
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for ( int group = 0; group < soundGroupings.Length; group++ ) {
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count += soundGroupings[group].soundList.Length;
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}
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soundFXCache = new Dictionary<string,SoundFX>( count + 1 );
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// add the null sound
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soundFXCache.Add( nullSound.name, nullSound );
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// add the rest
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for ( int group = 0; group < soundGroupings.Length; group++ ) {
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for ( int i = 0; i < soundGroupings[group].soundList.Length; i++ ) {
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if ( soundFXCache.ContainsKey( soundGroupings[group].soundList[i].name ) ) {
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Debug.LogError( "ERROR: Duplicate Sound FX name in the audio manager: '" + soundGroupings[group].name + "' > '" + soundGroupings[group].soundList[i].name + "'" );
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} else {
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soundGroupings[group].soundList[i].Group = soundGroupings[group];
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soundFXCache.Add( soundGroupings[group].soundList[i].name, soundGroupings[group].soundList[i] );
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}
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}
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soundGroupings[group].playingSoundCount = 0;
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}
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}
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/*
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-----------------------
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FindSoundFX()
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-----------------------
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*/
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static public SoundFX FindSoundFX( string name, bool rebuildCache = false ) {
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#if UNITY_EDITOR
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if ( theAudioManager == null ) {
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Debug.LogError( "ERROR: audio manager not yet initialized or created!" + " Time: " + Time.time );
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return null;
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}
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#endif
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if ( string.IsNullOrEmpty( name ) ) {
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return nullSound;
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}
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if ( rebuildCache ) {
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theAudioManager.RebuildSoundFXCache();
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}
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if ( !theAudioManager.soundFXCache.ContainsKey( name ) ) {
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#if DEBUG_BUILD || UNITY_EDITOR
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Debug.LogError( "WARNING: Missing Sound FX in cache: " + name );
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#endif
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return nullSound;
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}
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return theAudioManager.soundFXCache[name];
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}
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/*
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-----------------------
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FindAudioManager()
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-----------------------
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*/
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static private bool FindAudioManager() {
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GameObject audioManagerObject = GameObject.Find( "AudioManager" );
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if ( ( audioManagerObject == null ) || ( audioManagerObject.GetComponent<AudioManager>() == null ) ) {
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if ( !hideWarnings ) {
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Debug.LogError( "[ERROR] AudioManager object missing from hierarchy!" );
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hideWarnings = true;
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}
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return false;
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} else {
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audioManagerObject.GetComponent<AudioManager>().Init();
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}
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return true;
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}
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/*
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-----------------------
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GetGameObject()
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-----------------------
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*/
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static public GameObject GetGameObject() {
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if ( theAudioManager == null ) {
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if ( !FindAudioManager() ) {
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return null;
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}
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}
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return theAudioManager.gameObject;
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}
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/*
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-----------------------
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NameMinusGroup()
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strip off the sound group from the inspector dropdown
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-----------------------
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*/
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static public string NameMinusGroup( string name ) {
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if ( name.IndexOf( "/" ) > -1 ) {
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return name.Substring( name.IndexOf( "/" ) + 1 );
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}
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return name;
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}
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/*
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-----------------------
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GetSoundFXNames()
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used by the inspector
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-----------------------
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*/
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static public string[] GetSoundFXNames( string currentValue, out int currentIdx ) {
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currentIdx = 0;
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names.Clear();
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if ( theAudioManager == null ) {
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if ( !FindAudioManager() ) {
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return defaultSound;
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}
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}
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names.Add( nullSound.name );
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for ( int group = 0; group < theAudioManager.soundGroupings.Length; group++ ) {
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for ( int i = 0; i < theAudioManager.soundGroupings[group].soundList.Length; i++ ) {
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if ( string.Compare( currentValue, theAudioManager.soundGroupings[group].soundList[i].name, true ) == 0 ) {
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currentIdx = names.Count;
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}
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names.Add( theAudioManager.soundGroupings[group].name + "/" + theAudioManager.soundGroupings[group].soundList[i].name );
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}
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}
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//names.Sort( delegate( string s1, string s2 ) { return s1.CompareTo( s2 ); } );
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return names.ToArray();
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}
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#if UNITY_EDITOR
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/*
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-----------------------
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OnPrefabReimported()
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-----------------------
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*/
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static public void OnPrefabReimported() {
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if ( theAudioManager != null ) {
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Debug.Log( "[AudioManager] Reimporting the sound FX cache." );
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theAudioManager.RebuildSoundFXCache();
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}
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}
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/*
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-----------------------
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PlaySound()
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used in the editor
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-----------------------
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*/
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static public void PlaySound( string soundFxName ) {
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if ( theAudioManager == null ) {
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if ( !FindAudioManager() ) {
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return;
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}
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}
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SoundFX soundFX = FindSoundFX( soundFxName, true );
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if ( soundFX == null ) {
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return;
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}
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AudioClip clip = soundFX.GetClip();
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if ( clip != null ) {
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Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
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Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
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MethodInfo method = audioUtilClass.GetMethod(
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"PlayClip",
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BindingFlags.Static | BindingFlags.Public,
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null,
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new System.Type[] { typeof(AudioClip) },
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null );
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method.Invoke( null, new object[] { clip } );
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}
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}
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/*
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-----------------------
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IsSoundPlaying()
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used in the editor
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-----------------------
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*/
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static public bool IsSoundPlaying( string soundFxName ) {
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if ( theAudioManager == null ) {
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if ( !FindAudioManager() ) {
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return false;
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}
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}
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SoundFX soundFX = FindSoundFX( soundFxName, true );
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if ( soundFX == null ) {
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return false;
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}
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AudioClip clip = soundFX.GetClip();
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if ( clip != null ) {
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Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
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Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
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MethodInfo method = audioUtilClass.GetMethod(
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"IsClipPlaying",
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BindingFlags.Static | BindingFlags.Public,
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null,
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new System.Type[] { typeof(AudioClip) },
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null );
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return Convert.ToBoolean( method.Invoke( null, new object[] { clip } ) );
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}
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return false;
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}
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/*
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-----------------------
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StopSound()
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used in the editor
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-----------------------
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*/
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static public void StopSound(string soundFxName)
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{
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if (theAudioManager == null)
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{
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if (!FindAudioManager())
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{
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return;
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}
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}
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SoundFX soundFX = FindSoundFX(soundFxName, true);
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if (soundFX == null)
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{
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return;
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}
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AudioClip clip = soundFX.GetClip();
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if (clip != null)
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{
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Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
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Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
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MethodInfo method = audioUtilClass.GetMethod(
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"StopClip",
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BindingFlags.Static | BindingFlags.Public,
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null,
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new System.Type[] { typeof(AudioClip) },
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null);
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method.Invoke(null, new object[] { clip });
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}
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}
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#endif
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}
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} // namespace OVR
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