【Unity】第二回 Wwiseを使用したサウンド制御 〜インタラクティブミュージック編〜

        /// <summary>
        /// Stateの設定
        /// </summary>
        /// <param name="stateGroupName"></param>
        /// <param name="stateName"></param>
        public void SetState(string stateGroupName, string stateName)
        {
            AkSoundEngine.SetState(stateGroupName, stateName);
        }

        /// <summary>
        /// ブロック遷移状態を設定する
        /// </summary>
        /// <param name="state">遷移状態</param>
        public void SetNextBlockState(IGameAudioService.NextBlockState state)
        {
            switch (state)
            {
                case IGameAudioService.NextBlockState.BgmAtomChainIntro:
                    _wwiseApiService.SetState(GameWwiseAudioSettings.Wwise.StateGroupName.BgmAtomChain,
                        GameWwiseAudioSettings.Wwise.StateName.BgmAtomChainIntro);
                    break;
                case IGameAudioService.NextBlockState.BgmAtomChainMain:
                    _wwiseApiService.SetState(GameWwiseAudioSettings.Wwise.StateGroupName.BgmAtomChain,
                        GameWwiseAudioSettings.Wwise.StateName.BgmAtomChainMain);
                    break;
            }
        }

        /// <summary>
        /// 再生オプション
        /// </summary>
        public class SoundPlayOption
        {
            /// <summary>
            /// 再生中の音声を停止するか？
            /// </summary>
            public bool IsStopOther;

            /// <summary>
            /// フェード時間
            /// </summary>
            public int FadeTimeMs;

            /// <summary>
            /// ビート同期イベント コールバック
            /// </summary>
            public Action BeatSyncCallback = null;

            /// <summary>
            /// カスタムで追加したイベント コールバック
            /// </summary>
            public Action CustomEventCallback = null;
        }

        /// <summary>
        /// Eventの再生
        /// </summary>
        /// <param name="soundBankName"></param>
        /// <param name="eventName"></param>
        /// <param name="gameObject"></param>
        /// <param name="option"></param>
        /// <returns></returns>
        public uint PlayEvent(string soundBankName, string eventName, GameObject gameObject, IWwiseApiService.SoundPlayOption option = null)
        {

・・・略・・・

            // Event再生
            uint playId = 0;
            if (option?.CustomEventCallback != null)
            {
                uint callbackTypeValue = default;
                if (option?.CustomEventCallback != null) callbackTypeValue |= (uint) AkCallbackType.AK_MusicSyncUserCue;
                AkCallbackManager.EventCallback eventCallback = (cookie, type, info) =>
                {
                    switch (type)
                    {
                        case AkCallbackType.AK_MusicSyncUserCue:
                            option?.CustomEventCallback?.Invoke();
                            break;
                    }
                };
                playId = AkSoundEngine.PostEvent(eventName, gameObject, callbackTypeValue, eventCallback, null);
            }
            else
            {
                playId = AkSoundEngine.PostEvent(eventName, gameObject);
            }

・・・略・・・

            return playId;
        }

        /// <summary>
        /// Eventの再生
        /// </summary>
        /// <param name="soundBankName"></param>
        /// <param name="eventName"></param>
        /// <param name="gameObject"></param>
        /// <param name="option"></param>
        /// <returns></returns>
        public uint PlayEvent(string soundBankName, string eventName, GameObject gameObject, IWwiseApiService.SoundPlayOption option = null)
        {

・・・略・・・

            // Event再生
            uint playId = 0;
            if (option?.BeatSyncCallback != null
                || option?.CustomEventCallback != null)
            {
                uint callbackTypeValue = default;
                if (option?.BeatSyncCallback != null) callbackTypeValue |= (uint) AkCallbackType.AK_MusicSyncBeat;
                if (option?.CustomEventCallback != null) callbackTypeValue |= (uint) AkCallbackType.AK_MusicSyncUserCue;
                AkCallbackManager.EventCallback eventCallback = (cookie, type, info) =>
                {
                    switch (type)
                    {
                        case AkCallbackType.AK_MusicSyncBeat:
                            option?.BeatSyncCallback?.Invoke();
                            break;
                        case AkCallbackType.AK_MusicSyncUserCue:
                            option?.CustomEventCallback?.Invoke();
                            break;
                    }
                };
                playId = AkSoundEngine.PostEvent(eventName, gameObject, callbackTypeValue, eventCallback, null);
            }
            else
            {
                playId = AkSoundEngine.PostEvent(eventName, gameObject);
            }

・・・略・・・

            return playId;
        }

namespace GameSample.Objects.BeatSync
{
    /// <summary>
    /// ビート同期オブジェクト
    /// </summary>
    public interface IBeatSyncBehaviour
    {
        /// <summary>
        /// ビート同期
        /// </summary>
        /// <param name="beatCount">ビート数</param>
        public void OnBeatSync(int beatCount);
    }
}

        /// <summary>
        /// GameParameterの設定
        /// </summary>
        /// <param name="gameParameterName"></param>
        /// <param name="value"></param>
        public void SetGameParameter(string gameParameterName, float value)
        {
            AkSoundEngine.SetRTPCValue(AkSoundEngine.GetIDFromString(gameParameterName), value);
        }