67 lines
2.3 KiB
C#
67 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace OCES.Audio
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{
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/// <summary>
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/// 音乐与环境音系统。由 AudioSystem 持有并初始化。
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/// 对外只暴露 OnStateChanged，由 AudioSystem.SetState 转发调用。
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/// </summary>
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class MusicSystem : MonoBehaviour
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{
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MusicStateRouter m_stateRouter;
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MusicChannelPlayer m_musicChannel;
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AmbienceChannelPlayer m_ambienceChannel;
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internal event Action<uint> OnBeat;
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internal event Action<uint> OnBar;
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internal event Action<uint> OnGrid;
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internal IReadOnlyDictionary<Type, Enum> ActiveStates
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{
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get { return this.m_stateRouter.ActiveStates; }
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}
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internal void Initialize(
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MusicSegmentConfig segments,
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MusicContainerConfig containers,
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MusicPathConfig musicPaths,
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AmbiencePathConfig ambiencePaths,
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MusicTransitionConfig musicTransitions,
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AmbienceTransitionConfig ambienceTransitions,
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AudioSourcePool musicPool,
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AudioSourcePool ambiencePool)
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{
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LongAudioContainerPlayer longAudioContainerPlayer = new(containers, segments, musicPool, this);
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LongAudioContainerPlayer ambientContainerPlayer = new(containers, segments, ambiencePool, this);
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this.m_stateRouter = new MusicStateRouter(musicPaths, ambiencePaths);
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this.m_musicChannel = new MusicChannelPlayer(
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containers, segments, musicTransitions, longAudioContainerPlayer, this,
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id => OnBeat?.Invoke(id),
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id => OnBar?.Invoke(id),
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id => OnGrid?.Invoke(id));
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this.m_ambienceChannel = new AmbienceChannelPlayer(ambienceTransitions, ambientContainerPlayer, this);
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}
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/// <summary>
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/// 由 AudioSystem.SetState 调用，更新状态并驱动两个通道切换。
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/// </summary>
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internal void OnStateChanged<TEnum>(TEnum state) where TEnum : Enum
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{
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this.m_stateRouter.SetState(
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state,
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out uint musicContainerId,
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out uint ambienceContainerId);
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this.m_musicChannel.SwitchTo(musicContainerId);
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this.m_ambienceChannel.SwitchTo(ambienceContainerId);
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}
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}
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}
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