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473 lines
15 KiB
C#
473 lines
15 KiB
C#
using System.IO;
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using System.Windows.Controls;
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using NAudio;
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using NAudio.Wave;
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using PCL.Core.App;
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using PCL.Core.App.Localization;
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using PCL.Core.Utils;
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namespace PCL;
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public static class ModMusic
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{
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/// <summary>
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/// 当前正在播放的 NAudio.Wave.WaveOutEvent。
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/// </summary>
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public static WaveOutEvent musicNAudio;
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/// <summary>
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/// 当前播放的音乐地址。
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/// </summary>
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private static string musicCurrent = "";
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private static void MusicLoop(bool isFirstLoad = false)
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{
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WaveOutEvent currentWave = null;
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AudioFileReader reader = null;
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try
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{
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currentWave = new WaveOutEvent();
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musicNAudio = currentWave;
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currentWave.DeviceNumber = -1; // 使用默认设备
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reader = new AudioFileReader(musicCurrent);
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currentWave.Init(reader);
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currentWave.Play();
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// 首次加载且用户未启用自动播放，则暂停
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if (isFirstLoad && !Config.Preference.Music.StartOnStartup) currentWave.Pause();
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MusicRefreshUI();
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var lastVolume = Config.Preference.Music.Volume;
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currentWave.Volume = lastVolume / 1000.0f;
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// 播放主循环
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while (currentWave.Equals(musicNAudio) && currentWave.PlaybackState != PlaybackState.Stopped)
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{
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// 音量动态更新
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var currentVolume = Config.Preference.Music.Volume;
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if (currentVolume != lastVolume)
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{
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lastVolume = currentVolume;
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currentWave.Volume = currentVolume / 1000.0f;
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}
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// 更新进度条
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if (reader.TotalTime.TotalMilliseconds > 0d)
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{
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var progress = reader.CurrentTime.TotalMilliseconds / reader.TotalTime.TotalMilliseconds;
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ModBase.RunInUi(() => ModMain.frmMain.BtnExtraMusic.Progress = progress);
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}
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Thread.Sleep(100);
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}
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// 播放结束，继续下一首
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if (currentWave.PlaybackState == PlaybackState.Stopped &&
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(musicAllList?.Any() is { } arg5 ? arg5 : (bool?)null).GetValueOrDefault())
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MusicStartPlay(DequeueNextMusicAddress(), isFirstLoad);
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, $"播放音乐出现内部错误（{musicCurrent}）", ModBase.LogLevel.Developer);
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// 错误处理：精准提示用户
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var fileName = ModBase.GetFileNameFromPath(musicCurrent);
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if (ex is MmException)
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{
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var msg = ex.Message;
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if (msg.Contains("AlreadyAllocated"))
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HintService.Hint(Lang.Text("Music.Error.DeviceBusy"), HintType.Error);
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else if (msg.Contains("NoDriver") || msg.Contains("BadDeviceId"))
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HintService.Hint(Lang.Text("Music.Error.DeviceChanged"), HintType.Error);
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else
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ModBase.Log(
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ex,
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$"播放失败（{fileName}）",
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ModBase.LogLevel.Hint,
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userSummary: Lang.Text("Music.Error.PlaybackFailed", fileName));
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}
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else if (ex.Message.Contains("Got a frame at sample rate") ||
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ex.Message.Contains("does not support changes to"))
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{
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HintService.Hint(
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Lang.Text("Music.Error.PropertyChangeUnsupported", fileName),
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HintType.Error);
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}
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else if ((!musicCurrent.EndsWithF(".wav", true) && !musicCurrent.EndsWithF(".mp3", true) &&
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!musicCurrent.EndsWithF(".flac", true)) || ex.Message.Contains("0xC00D36C4"))
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{
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HintService.Hint(
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Lang.Text("Music.Error.UnsupportedFormat", fileName),
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HintType.Error);
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}
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else
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{
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ModBase.Log(
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ex,
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$"播放失败（{fileName}）",
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ModBase.LogLevel.Hint,
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userSummary: Lang.Text("Music.Error.PlaybackFailed", fileName));
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}
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// 移除无效文件
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musicAllList?.Remove(musicCurrent);
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musicWaitingList?.Remove(musicCurrent);
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MusicRefreshUI();
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Thread.Sleep(2000);
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// 尝试播放下一首
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if (ex is FileNotFoundException)
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MusicRefreshPlay(true, isFirstLoad);
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else
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MusicStartPlay(DequeueNextMusicAddress(), isFirstLoad);
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}
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finally
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{
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currentWave?.Dispose();
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reader?.Dispose();
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MusicRefreshUI();
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}
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}
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#region 播放列表
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/// <summary>
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/// 接下来要播放的音乐文件路径。未初始化时为 Nothing。
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/// </summary>
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public static List<string> musicWaitingList;
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/// <summary>
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/// 全部音乐文件路径。未初始化时为 Nothing。
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/// </summary>
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public static List<string> musicAllList;
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/// <summary>
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/// 初始化音乐播放列表。
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/// </summary>
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/// <param name="forceReload">强制全部重新载入列表。</param>
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/// <param name="preventFirst">在重载列表时避免让某项成为第一项。</param>
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private static void MusicListInit(bool forceReload, string preventFirst = null)
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{
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if (forceReload)
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musicAllList = null;
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try
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{
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if (musicAllList is null)
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{
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musicAllList = new List<string>();
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var musicDir = Path.Combine(ModBase.exePath, "PCL", "Musics");
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Directory.CreateDirectory(musicDir);
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foreach (var file in ModBase.EnumerateFiles(musicDir))
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{
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var ext = file.Extension.ToLowerInvariant();
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// 忽略非音频文件
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if (new[] { ".ini", ".jpg", ".txt", ".cfg", ".lrc", ".db", ".png" }.Contains(ext))
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continue;
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musicAllList.Add(file.FullName);
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}
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}
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// 根据设置决定是否随机
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if (Config.Preference.Music.ShufflePlayback)
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musicWaitingList = RandomUtils.Shuffle(new List<string>(musicAllList));
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else
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musicWaitingList = new List<string>(musicAllList);
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// 避免 PreventFirst 成为第一项
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if (preventFirst is not null && musicWaitingList.Count > 0 && string.Equals(musicWaitingList[0],
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preventFirst, StringComparison.OrdinalIgnoreCase))
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{
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musicWaitingList.RemoveAt(0);
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musicWaitingList.Add(preventFirst);
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}
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}
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catch (Exception ex)
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{
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ModBase.Log(
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ex,
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"初始化音乐列表失败",
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ModBase.LogLevel.Feedback,
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userSummary: Lang.Text("Music.Error.OperationFailed"));
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}
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}
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/// <summary>
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/// 获取下一首播放的音乐路径并将其从列表中移除。
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/// 如果没有，可能会返回 Nothing。
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/// </summary>
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private static string DequeueNextMusicAddress()
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{
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if (musicAllList is null || !musicAllList.Any() || !musicWaitingList.Any()) MusicListInit(false);
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if (musicWaitingList.Any())
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{
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var nextMusic = musicWaitingList[0];
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musicWaitingList.RemoveAt(0);
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if (!musicWaitingList.Any()) MusicListInit(false, nextMusic);
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return nextMusic;
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}
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return null;
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}
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#endregion
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#region UI 控制
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/// <summary>
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/// 刷新背景音乐按钮 UI 与设置页 UI。
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/// </summary>
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private static void MusicRefreshUI()
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{
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ModBase.RunInUi(() =>
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{
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try
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{
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if ((musicAllList?.Any() is { } arg1 ? arg1 : null) == false)
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{
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ModMain.frmMain.BtnExtraMusic.Show = false;
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}
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else
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{
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ModMain.frmMain.BtnExtraMusic.Show = true;
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var fileName = ModBase.GetFileNameWithoutExtentionFromPath(musicCurrent);
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var isSingle = musicAllList.Count == 1;
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string tipText;
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if (MusicState == MusicStates.Pause)
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{
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ModMain.frmMain.BtnExtraMusic.SvgIcon = "lucide/play";
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ModMain.frmMain.BtnExtraMusic.LogoScale = 0.8d;
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tipText = Lang.Text(
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isSingle
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? "Music.ToolTip.Paused.Single"
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: "Music.ToolTip.Paused.Multiple",
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fileName);
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}
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else
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{
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ModMain.frmMain.BtnExtraMusic.SvgIcon = "lucide/music";
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ModMain.frmMain.BtnExtraMusic.LogoScale = 1d;
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tipText = Lang.Text(
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isSingle
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? "Music.ToolTip.Playing.Single"
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: "Music.ToolTip.Playing.Multiple",
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fileName);
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}
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ModMain.frmMain.BtnExtraMusic.ToolTip = tipText;
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ToolTipService.SetVerticalOffset(ModMain.frmMain.BtnExtraMusic,
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tipText.Contains("\n") ? 10 : 16);
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}
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ModMain.frmSetupUI?.MusicRefreshUI();
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}
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catch (Exception ex)
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{
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ModBase.Log(
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ex,
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"刷新背景音乐 UI 失败",
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ModBase.LogLevel.Feedback,
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userSummary: Lang.Text("Music.Error.OperationFailed"));
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}
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});
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}
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public static void MusicControlPause()
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{
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if (musicNAudio is null)
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{
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HintService.Hint(Lang.Text("Music.Error.NotStarted"), HintType.Error);
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return;
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}
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switch (MusicState)
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{
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case MusicStates.Pause:
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{
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MusicResume();
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break;
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}
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case MusicStates.Play:
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{
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MusicPause(); // Stop
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break;
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}
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default:
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{
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ModBase.Log("[Music] 音乐目前为停止状态，已强制尝试开始播放", ModBase.LogLevel.Debug);
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MusicRefreshPlay(false);
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break;
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}
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}
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}
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public static void MusicControlNext()
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{
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if (musicAllList?.Count is { } arg2 && arg2 == 1)
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{
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MusicStartPlay(musicCurrent);
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HintService.Hint(Lang.Text("Music.Hint.Replaying", ModBase.GetFileNameFromPath(musicCurrent)),
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HintType.Success);
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}
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else
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{
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var addr = DequeueNextMusicAddress();
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if (addr is null)
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{
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HintService.Hint(Lang.Text("Music.Error.NoAvailable"), HintType.Error);
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}
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else
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{
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MusicStartPlay(addr);
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HintService.Hint(Lang.Text("Music.Hint.Playing", ModBase.GetFileNameFromPath(addr)),
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HintType.Success);
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}
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}
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MusicRefreshUI();
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}
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#endregion
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#region 主状态控制
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public static MusicStates MusicState
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{
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get
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{
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if (musicNAudio is null)
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return MusicStates.Stop;
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return musicNAudio.PlaybackState == PlaybackState.Paused ? MusicStates.Pause :
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musicNAudio.PlaybackState == PlaybackState.Stopped ? MusicStates.Stop : MusicStates.Play;
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}
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}
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public enum MusicStates
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{
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Stop,
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Play,
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Pause
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}
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public static void MusicRefreshPlay(bool showHint, bool isFirstLoad = false)
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{
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try
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{
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MusicListInit(true);
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if ((musicAllList?.Any() is { } arg3 ? arg3 : null) == false)
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{
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if (musicNAudio is not null)
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{
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musicNAudio = null;
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if (showHint)
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HintService.Hint(Lang.Text("Music.Hint.Cleared"), HintType.Success);
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}
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else if (showHint)
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{
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HintService.Hint(Lang.Text("Music.Error.NotDetected"), HintType.Error);
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}
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}
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else
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{
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var addr = DequeueNextMusicAddress();
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if (addr is null)
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{
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if (showHint)
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HintService.Hint(Lang.Text("Music.Error.NoAvailable"), HintType.Error);
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}
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else
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{
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try
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{
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MusicStartPlay(addr, isFirstLoad);
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if (showHint)
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HintService.Hint(
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Lang.Text("Music.Hint.Refreshed", ModBase.GetFileNameFromPath(addr)),
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HintType.Success,
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false);
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}
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catch
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{
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// 容错：播放失败已在 MusicLoop 中处理
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}
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}
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}
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MusicRefreshUI();
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}
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catch (Exception ex)
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{
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ModBase.Log(
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ex,
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"刷新背景音乐播放失败",
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ModBase.LogLevel.Feedback,
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userSummary: Lang.Text("Music.Error.OperationFailed"));
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}
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}
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private static void MusicStartPlay(string address, bool isFirstLoad = false)
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{
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if (string.IsNullOrEmpty(address))
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return;
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ModBase.Log("[Music] 播放开始：" + address);
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musicCurrent = address;
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ModBase.RunInNewThread(() => MusicLoop(isFirstLoad), "Music", ThreadPriority.BelowNormal);
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}
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public static bool MusicPause()
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{
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if (MusicState != MusicStates.Play)
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{
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ModBase.Log($"[Music] 无需暂停播放，当前状态为 {MusicState}");
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return false;
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}
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ModBase.RunInThread(() =>
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{
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ModBase.Log("[Music] 已暂停播放");
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musicNAudio?.Pause();
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MusicRefreshUI();
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});
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return true;
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}
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public static bool MusicResume()
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{
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if (MusicState == MusicStates.Play || musicAllList.Count == 0)
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{
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ModBase.Log($"[Music] 无需继续播放，当前状态为 {MusicState}");
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return false;
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}
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ModBase.RunInThread(() =>
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{
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ModBase.Log("[Music] 已恢复播放");
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try
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{
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musicNAudio?.Play();
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}
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catch
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{
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// 参考 PR #5415：设备变更后需 Stop + Play
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musicNAudio?.Stop();
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musicNAudio?.Play();
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}
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MusicRefreshUI();
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});
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return true;
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}
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#endregion
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}
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