protected virtual string GetDrawString(IMusicInfo item)
{
if (item == null)
return null;
return string.Format("{0}. {1}", item.ID, item.Name);
}
/// <summary>
/// Stops the currently playing music.
/// </summary>
public void Stop()
{
if (_playing == null)
{
return;
}
try
{
_playing.Dispose();
}
catch (InvalidOperationException ex)
{
const string errmsg = "Failed to dispose music `{0}` [`{1}`] (can potentially ignore). Exception: {2}";
if (log.IsWarnEnabled)
{
log.WarnFormat(errmsg, _playing, _playingInfo, ex);
}
}
catch (Exception ex)
{
const string errmsg = "Failed to dispose music `{0}` [`{1}`]. Exception {2}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, _playing, _playingInfo, ex);
}
Debug.Fail(string.Format(errmsg, _playing, _playingInfo, ex));
}
finally
{
_playing = null;
_playingInfo = null;
}
}
protected virtual string GetDrawString(IMusicInfo item)
{
if (item == null)
{
return(null);
}
return(string.Format("{0}. {1}", item.ID, item.Name));
}
private static string ParseWithFallback(IMusicInfo m, string h)
{
// we have $xx or $xx(...)
// get the value of $xx:
string s;
try { s = FormatElements[h.Substring(0, 3)](m); }
catch { s = ""; }
// if there is no need to fallback, return the value
if (!string.IsNullOrWhiteSpace(s)) return s;
// we need to fallback
// if we don't have a fallback, return a default string
// if we do, lets use our regex to parse it, recursively calling this method where needed
return h.Length < 5 ? "[Unknown]" : Regex.Replace(h.Substring(4, h.Length - 5), RegexString, match => ParseWithFallback(m, match.Value));
}
public static string FormatHeader(IMusicInfo m, string h)
{
try
{
// use our regex to parse this, call ParseWithFallback to evaluate variables and fallback
var r = Regex.Replace(h, RegexString, match => ParseWithFallback(m, match.Value));
// unescape the remaining characters
// find:
// \$ find $
// (.) followed by one character (any) -> to capture group 1 [that is what the () are for]
// replace:
// $1 replace with capture group 1
return(Regex.Replace(r, @"\$(.)", @"$1"));
}
catch
{
return("[Format Error]");
}
}
public static string FormatHeader(IMusicInfo m, string h)
{
try
{
// use our regex to parse this, call ParseWithFallback to evaluate variables and fallback
var r = Regex.Replace(h, RegexString, match => ParseWithFallback(m, match.Value));
// unescape the remaining characters
// find:
// \$ find $
// (.) followed by one character (any) -> to capture group 1 [that is what the () are for]
// replace:
// $1 replace with capture group 1
return Regex.Replace(r, @"\$(.)", @"$1");
}
catch
{
return "[Format Error]";
}
}
private static string ParseWithFallback(IMusicInfo m, string h)
{
// we have $xx or $xx(...)
// get the value of $xx:
string s;
try { s = FormatElements[h.Substring(0, 3)](m); }
catch { s = ""; }
// if there is no need to fallback, return the value
if (!string.IsNullOrWhiteSpace(s))
{
return(s);
}
// we need to fallback
// if we don't have a fallback, return a default string
// if we do, lets use our regex to parse it, recursively calling this method where needed
return(h.Length < 5 ? "[Unknown]" : Regex.Replace(h.Substring(4, h.Length - 5), RegexString, match => ParseWithFallback(m, match.Value)));
}
/// <summary>
/// 为各个属性加权重 选出权重最高的返回
/// </summary>
/// <param name="musics"></param>
/// <param name="music"></param>
/// <returns></returns>
public IMusicInfo GetMatchMusic(List <IMusicInfo> musics, IMusicInfo music)
{
Dictionary <IMusicInfo, double> weighdic = new Dictionary <IMusicInfo, double>();
musics.ForEach(item => {
double w = 0;
//歌名 权重5
w += GetCompareResult(music.name, item.name) * 5;
//专辑 权重2
w += GetCompareResult(music.album, item.album) * 5;
//时长权重 5
w -= (Math.Abs(TimeConverter.ToSecondDouble(item.time) - TimeConverter.ToSecondDouble(music.time)) / TimeConverter.ToSecondDouble(item.time)) * 5;
var singer_a = String.Join(",", from a in item.singers select a.name);
var singer_b = String.Join(",", from a in music.singers select a.name);
//歌手 权重10
w += GetCompareResult(singer_b, singer_a) * 10;
weighdic.Add(item, w);
});
return(weighdic.OrderByDescending(w => w.Value).Where(a => a.Value > 0).FirstOrDefault().Key);
}
/// <summary>
/// Plays a music track.
/// </summary>
/// <param name="musicManager">The music manager.</param>
/// <param name="info">The <see cref="IMusicInfo"/> to play.</param>
/// <returns>
/// True if the music played successfully; otherwise false.
/// </returns>
public static bool Play(this IMusicManager musicManager, IMusicInfo info)
{
return musicManager.Play(info.ID);
}
/// <summary>
/// Plays a music track.
/// </summary>
/// <param name="musicManager">The music manager.</param>
/// <param name="info">The <see cref="IMusicInfo"/> to play.</param>
/// <returns>
/// True if the music played successfully; otherwise false.
/// </returns>
public static bool Play(this IMusicManager musicManager, IMusicInfo info)
{
return(musicManager.Play(info.ID));
}
/// <summary>
/// Gets the file path for a music file.
/// </summary>
/// <param name="musicInfo">The <see cref="IMusicInfo"/> to get the file path for.</param>
/// <returns>The file path for the <paramref name="musicInfo"/>.</returns>
protected static string GetFilePath(IMusicInfo musicInfo)
{
return(ContentPaths.Build.Music.Join(musicInfo.Name + ContentPaths.ContentFileSuffix));
}
/// <summary>
/// Plays a music track by the given <see cref="MusicID"/>.
/// </summary>
/// <param name="id">The ID of the music to play.</param>
/// <returns>
/// True if the music played successfully; otherwise false.
/// </returns>
public bool Play(MusicID id)
{
try
{
// If the music is already playing, continue to play it
if (_playingInfo != null && _playingInfo.ID == id)
{
if (_playing.Status != SoundStatus.Playing)
{
_playing.Play();
}
return(true);
}
// Stop the old music
Stop();
// Get the info for the music to play
var info = GetMusicInfo(id);
if (info == null)
{
return(false);
}
// Start the new music
_playingInfo = info;
var file = GetFilePath(info);
try
{
_playing = new Music(file);
}
catch (LoadingFailedException ex)
{
const string errmsg = "Failed to load music `{0}`: {1}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, info, ex);
}
Debug.Fail(string.Format(errmsg, info, ex));
_playing = null;
_playingInfo = null;
return(false);
}
// Set the values for the music and start playing it
_playing.Volume = Volume;
_playing.Loop = Loop;
_playing.RelativeToListener = true;
_playing.Play();
}
catch (Exception ex)
{
const string errmsg = "Failed to play music with ID `{0}`. Exception: {1}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, id, ex);
}
Debug.Fail(string.Format(errmsg, id, ex));
}
return(true);
}
/// <summary>
/// Gets the file path for a music file.
/// </summary>
/// <param name="musicInfo">The <see cref="IMusicInfo"/> to get the file path for.</param>
/// <returns>The file path for the <paramref name="musicInfo"/>.</returns>
protected static string GetFilePath(IMusicInfo musicInfo)
{
return ContentPaths.Build.Music.Join(musicInfo.Name + ContentPaths.ContentFileSuffix);
}
/// <summary>
/// Stops the currently playing music.
/// </summary>
public void Stop()
{
if (_playing == null)
return;
try
{
_playing.Dispose();
}
catch (InvalidOperationException ex)
{
const string errmsg = "Failed to dispose music `{0}` [`{1}`] (can potentially ignore). Exception: {2}";
if (log.IsWarnEnabled)
log.WarnFormat(errmsg, _playing, _playingInfo, ex);
}
catch (Exception ex)
{
const string errmsg = "Failed to dispose music `{0}` [`{1}`]. Exception {2}";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, _playing, _playingInfo, ex);
Debug.Fail(string.Format(errmsg, _playing, _playingInfo, ex));
}
finally
{
_playing = null;
_playingInfo = null;
}
}
/// <summary>
/// Plays a music track by the given <see cref="MusicID"/>.
/// </summary>
/// <param name="id">The ID of the music to play.</param>
/// <returns>
/// True if the music played successfully; otherwise false.
/// </returns>
public bool Play(MusicID id)
{
try
{
// If the music is already playing, continue to play it
if (_playingInfo != null && _playingInfo.ID == id)
{
if (_playing.Status != SoundStatus.Playing)
_playing.Play();
return true;
}
// Stop the old music
Stop();
// Get the info for the music to play
var info = GetMusicInfo(id);
if (info == null)
return false;
// Start the new music
_playingInfo = info;
var file = GetFilePath(info);
try
{
_playing = new Music(file);
}
catch (LoadingFailedException ex)
{
const string errmsg = "Failed to load music `{0}`: {1}";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, info, ex);
Debug.Fail(string.Format(errmsg, info, ex));
_playing = null;
_playingInfo = null;
return false;
}
// Set the values for the music and start playing it
_playing.Volume = Volume;
_playing.Loop = Loop;
_playing.RelativeToListener = true;
_playing.Play();
}
catch (Exception ex)
{
const string errmsg = "Failed to play music with ID `{0}`. Exception: {1}";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, id, ex);
Debug.Fail(string.Format(errmsg, id, ex));
}
return true;
}
