740 lines
34 KiB
C#
740 lines
34 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace VocaluxeLib.Songs
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{
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/// <summary>
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/// Part of CSong that is required for note loading
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/// </summary>
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public partial class CSong
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{
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/// <summary>
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/// Factor the bpm given in the txt is multiplied with
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/// </summary>
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private const int _BPMFactor = 4;
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private class CSongLoader
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{
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private readonly CSong _Song;
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private int _LineNr;
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public CSongLoader(CSong song)
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{
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_Song = song;
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}
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public bool InitPaths(string filePath)
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{
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if (!File.Exists(filePath))
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return false;
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_Song.Folder = Path.GetDirectoryName(filePath);
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if (_Song.Folder == null)
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return false;
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foreach (string folder in CBase.Config.GetSongFolders().Where(folder => _Song.Folder.StartsWith(folder)))
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{
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if (_Song.Folder.Length == folder.Length)
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_Song.FolderName = "Songs";
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else
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{
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_Song.FolderName = _Song.Folder.Substring(folder.Length + 1);
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int pos = _Song.FolderName.IndexOf("\\", StringComparison.Ordinal);
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if (pos >= 0)
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_Song.FolderName = _Song.FolderName.Substring(0, pos);
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}
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break;
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}
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_Song.FileName = Path.GetFileName(filePath);
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return true;
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}
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/// <summary>
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/// Logs a given message with file name and line#
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/// </summary>
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/// <param name="msg">Message</param>
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/// <param name="error">True prepends "Error: "; False prepends "Warning: "</param>
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/// <param name="withLineNr">Adds line#</param>
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private void _LogMsg(string msg, bool error, bool withLineNr)
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{
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msg = (error ? "Error: " : "Warning: ") + msg;
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if (withLineNr)
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msg += " in line #" + _LineNr;
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CBase.Log.LogError(msg + " (" + Path.Combine(_Song.Folder, _Song.FileName) + ")");
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}
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private void _LogError(string msg, bool withLineNr = true)
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{
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_LogMsg(msg, true, withLineNr);
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}
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private void _LogWarning(string msg, bool withLineNr = true)
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{
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_LogMsg(msg, false, withLineNr);
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}
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public bool ReadHeader(bool useSetEncoding = false)
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{
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string filePath = Path.Combine(_Song.Folder, _Song.FileName);
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if (!File.Exists(filePath))
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return false;
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_Song.Languages.Clear();
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_Song.Genres.Clear();
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_Song.UnknownTags.Clear();
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_Song._Comment = "";
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_Song.ManualEncoding = false;
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_Song.Medley.Source = EDataSource.None;
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_Song._CalculateMedley = true;
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_Song.Preview.Source = EDataSource.None;
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_Song.ShortEnd.Source = EDataSource.None;
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var headerFlags = new EHeaderFlags();
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StreamReader sr = null;
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_LineNr = 0;
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try
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{
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sr = new StreamReader(filePath, _Song.Encoding, true);
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while (!sr.EndOfStream)
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{
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string line = sr.ReadLine();
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_LineNr++;
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if (line == "")
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continue;
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if (!line[0].Equals('#'))
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break;
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int pos = line.IndexOf(":", StringComparison.Ordinal);
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if (pos <= 1)
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{
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_Song.UnknownTags.Add(line);
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continue;
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}
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string identifier = line.Substring(1, pos - 1).Trim().ToUpper();
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if (identifier.Contains(" "))
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{
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_Song.UnknownTags.Add(line);
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continue;
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}
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string value = line.Substring(pos + 1).Trim();
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if (value == "")
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{
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_Song.UnknownTags.Add(line);
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_LogWarning("Empty value skipped");
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continue;
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}
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switch (identifier)
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{
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case "ENCODING":
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Encoding newEncoding = value.GetEncoding();
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_Song.ManualEncoding = true;
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if (!newEncoding.Equals(sr.CurrentEncoding))
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{
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if (useSetEncoding)
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{
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_LogWarning("Duplicate encoding ignored");
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continue;
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}
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sr.Dispose();
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sr = null;
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_Song.Encoding = newEncoding;
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return ReadHeader(true);
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}
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break;
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case "TITLE":
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_Song.Title = value;
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headerFlags |= EHeaderFlags.Title;
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break;
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case "ARTIST":
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_Song.Artist = value;
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headerFlags |= EHeaderFlags.Artist;
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break;
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case "TITLE-ON-SORTING":
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_Song.TitleSorting = value;
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break;
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case "ARTIST-ON-SORTING":
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_Song.ArtistSorting = value;
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break;
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case "CREATOR":
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case "AUTHOR":
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case "AUTOR":
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_Song.Creator = value;
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break;
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case "VERSION":
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_Song.Version = value;
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break;
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case "SOURCE":
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case "YOUTUBE":
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_Song.Source = value;
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break;
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case "MP3":
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if (File.Exists(Path.Combine(_Song.Folder, value)))
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{
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_Song.MP3FileName = value;
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headerFlags |= EHeaderFlags.MP3;
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}
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else
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{
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_LogError("Can't find audio file: " + Path.Combine(_Song.Folder, value));
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return false;
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}
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break;
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case "BPM":
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if (CHelper.TryParse(value, out _Song.BPM))
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{
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_Song.BPM *= _BPMFactor;
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headerFlags |= EHeaderFlags.BPM;
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}
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else
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_LogWarning("Invalid BPM value");
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break;
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case "EDITION":
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if (value.Length > 1)
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_Song.Editions.Add(value);
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else
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_LogWarning("Invalid edition");
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break;
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case "GENRE":
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if (value.Length > 1)
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_Song.Genres.Add(value);
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else
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_LogWarning("Invalid genre");
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break;
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case "ALBUM":
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_Song.Album = value;
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break;
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case "YEAR":
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int num;
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if (value.Length == 4 && int.TryParse(value, out num) && num > 0)
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_Song.Year = value;
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else
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_LogWarning("Invalid year");
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break;
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case "LANGUAGE":
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if (value.Length > 1)
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_Song.Languages.Add(value);
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else
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_LogWarning("Invalid language");
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break;
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case "COMMENT":
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if (!String.IsNullOrEmpty(_Song._Comment))
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_Song._Comment += "\r\n";
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_Song._Comment += value;
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break;
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case "GAP":
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if (CHelper.TryParse(value, out _Song.Gap))
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_Song.Gap /= 1000f;
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else
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_LogWarning("Invalid gap");
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break;
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case "COVER":
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if (File.Exists(Path.Combine(_Song.Folder, value)))
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_Song.CoverFileName = value;
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else
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_LogWarning("Can't find cover file: " + Path.Combine(_Song.Folder, value));
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break;
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case "BACKGROUND":
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if (File.Exists(Path.Combine(_Song.Folder, value)))
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_Song.BackgroundFileNames.Add(value);
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else
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_LogWarning("Can't find background file: " + Path.Combine(_Song.Folder, value));
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break;
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case "VIDEO":
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if (File.Exists(Path.Combine(_Song.Folder, value)))
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_Song.VideoFileName = value;
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else
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_LogWarning("Can't find video file: " + Path.Combine(_Song.Folder, value));
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break;
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case "VIDEOGAP":
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if (!CHelper.TryParse(value, out _Song.VideoGap))
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_LogWarning("Invalid videogap");
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break;
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case "VIDEOASPECT":
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if (!CHelper.TryParse(value, out _Song.VideoAspect, true))
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_LogWarning("Invalid videoaspect");
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break;
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case "START":
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if (!CHelper.TryParse(value, out _Song.Start))
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_LogWarning("Invalid start");
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break;
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case "END":
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if (CHelper.TryParse(value, out _Song.Finish))
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_Song.Finish /= 1000f;
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else
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_LogWarning("Invalid end");
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break;
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case "PREVIEWSTART":
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if (CHelper.TryParse(value, out _Song.Preview.StartTime) && _Song.Preview.StartTime >= 0f)
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_Song.Preview.Source = EDataSource.Tag;
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else
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_LogWarning("Invalid previewstart");
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break;
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case "PREVIEW":
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if (CHelper.TryParse(value, out _Song.Preview.StartTime) && _Song.Preview.StartTime >= 0f)
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{
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//This is stored in ms not like PREVIEWSTART!
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_Song.Preview.StartTime /= 1000f;
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_Song.Preview.Source = EDataSource.Tag;
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}
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else
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_LogWarning("Invalid previewstart");
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break;
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case "MEDLEYSTARTBEAT":
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if (int.TryParse(value, out _Song.Medley.StartBeat))
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headerFlags |= EHeaderFlags.MedleyStartBeat;
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else
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_LogWarning("Invalid medleystartbeat");
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break;
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case "MEDLEYENDBEAT":
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if (int.TryParse(value, out _Song.Medley.EndBeat))
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headerFlags |= EHeaderFlags.MedleyEndBeat;
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else
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_LogWarning("Invalid medleyendbeat");
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break;
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case "ENDSHORT":
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if ((headerFlags & EHeaderFlags.BPM) != 0)
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{
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int endTime;
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if (int.TryParse(value, out endTime) || endTime < 0)
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{
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_Song.ShortEnd.EndBeat = (int)CBase.Game.GetBeatFromTime(endTime / 1000f, _Song.BPM, _Song.Gap);
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_Song.ShortEnd.Source = EDataSource.Tag;
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}
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else
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_LogWarning("Invalid medleyendbeat");
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}
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break;
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case "CALCMEDLEY":
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if (value.ToUpper() == "OFF")
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_Song._CalculateMedley = false;
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break;
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case "RELATIVE":
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if (value.ToUpper() == "YES")
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_Song.Relative = true;
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break;
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case "RESOLUTION":
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case "NOTESGAP":
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//Outdated/not used
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_Song.UnknownTags.Add(line);
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break;
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default:
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if (identifier.StartsWith("DUETSINGER"))
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{
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identifier = identifier.Substring(10);
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if (identifier.StartsWith("P")) // fix for missing "P"
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identifier = "P" + identifier;
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}
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if (identifier.StartsWith("P"))
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{
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int player;
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if (int.TryParse(identifier.Substring(1).Trim(), out player))
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{
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foreach (int curPlayer in player.GetSetBits())
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_Song.Notes.VoiceNames[curPlayer] = value;
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}
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}
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else
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{
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_Song.UnknownTags.Add(line);
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_LogWarning("Unknown tag: #" + identifier);
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}
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break;
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}
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} //end of while
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if (sr.EndOfStream)
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{
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//No other data then header
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_LogError("Lyrics/Notes missing", false);
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return false;
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}
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if ((headerFlags & EHeaderFlags.Title) == 0)
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{
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_LogError("Title tag missing", false);
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return false;
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}
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if ((headerFlags & EHeaderFlags.Artist) == 0)
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{
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_LogError("Artist tag missing", false);
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return false;
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}
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if ((headerFlags & EHeaderFlags.MP3) == 0)
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{
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_LogError("MP3 tag missing", false);
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return false;
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}
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if ((headerFlags & EHeaderFlags.BPM) == 0)
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{
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_LogError("BPM tag missing", false);
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return false;
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}
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#region check medley tags
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if ((headerFlags & EHeaderFlags.MedleyStartBeat) != 0 && (headerFlags & EHeaderFlags.MedleyEndBeat) != 0)
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{
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if (_Song.Medley.StartBeat > _Song.Medley.EndBeat)
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{
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_LogError("MedleyStartBeat is bigger than MedleyEndBeat in file", false);
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headerFlags = headerFlags - EHeaderFlags.MedleyStartBeat - EHeaderFlags.MedleyEndBeat;
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}
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}
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if (_Song.Preview.Source == EDataSource.None)
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{
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//PreviewStart is not set or <=0
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_Song.Preview.StartTime = (headerFlags & EHeaderFlags.MedleyStartBeat) != 0 ? CBase.Game.GetTimeFromBeats(_Song.Medley.StartBeat, _Song.BPM) : 0f;
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}
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if ((headerFlags & EHeaderFlags.MedleyStartBeat) != 0 && (headerFlags & EHeaderFlags.MedleyEndBeat) != 0)
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{
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_Song.Medley.Source = EDataSource.Tag;
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_Song.Medley.FadeInTime = CBase.Settings.GetDefaultMedleyFadeInTime();
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_Song.Medley.FadeOutTime = CBase.Settings.GetDefaultMedleyFadeOutTime();
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}
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#endregion check medley tags
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}
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catch (Exception e)
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{
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if (sr != null)
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sr.Dispose();
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_LogError("Error reading txt header" + e.Message, false);
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return false;
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}
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_Song.Encoding = sr.CurrentEncoding;
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sr.Dispose();
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_Song._CheckFiles();
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CBase.DataBase.GetDataBaseSongInfos(_Song.Artist, _Song.Title, out _Song.NumPlayed, out _Song.DateAdded, out _Song.DataBaseSongID);
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//Before saving this tags to .txt: Check, if ArtistSorting and Artist are equal, then don't save this tag.
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if (String.IsNullOrEmpty(_Song.ArtistSorting))
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_Song.ArtistSorting = _Song.Artist;
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if (String.IsNullOrEmpty(_Song.TitleSorting))
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_Song.TitleSorting = _Song.Title;
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return true;
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}
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private enum ENoteReadMode
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{
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Normal,
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ZeroBased,
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OneBased
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}
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private class CAutoChanges
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{
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public int ZeroLengthNoteCt;
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public int OverlapNoteCt;
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public int NoTextNoteCt;
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public int NoLengthBreakCt;
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public int AjustedBreakCt;
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public int InvalidPosBreakCt;
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public bool IsModified
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{
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get { return ZeroLengthNoteCt + OverlapNoteCt + NoTextNoteCt + NoLengthBreakCt + AjustedBreakCt + InvalidPosBreakCt > 0; }
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}
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public override string ToString()
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{
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string result = "";
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int skippedNotesCt = ZeroLengthNoteCt + OverlapNoteCt + NoTextNoteCt;
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if (skippedNotesCt > 0)
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result += "Skipped " + skippedNotesCt + " notes (0-Length: " + ZeroLengthNoteCt + ", Overlapping: " + OverlapNoteCt + ", No text: " + NoTextNoteCt + ")\r\n";
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if (InvalidPosBreakCt > 0)
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result += "Skipped " + InvalidPosBreakCt + " line breaks (Invalid position)\r\n";
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int adjustedBreakCt = AjustedBreakCt + NoLengthBreakCt;
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if (adjustedBreakCt > 0)
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result += "Adjusted " + adjustedBreakCt + " line breaks (Overlapping previous note: " + AjustedBreakCt + ", No length: " + NoLengthBreakCt + ")\r\n";
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return result;
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}
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}
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private ENoteReadMode _CurrentReadMode = ENoteReadMode.Normal;
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private const int _MaxZeroNoteCt = 1;
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private const int _MaxOverlapNoteCt = 3;
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/// <summary>
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/// Read notes. First try to read notes normally (assume standard)<br/>
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/// If there are more than _MaxZeroNoteCt with length < 1, try to read notes adding 1 to length<br/>
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/// Then if there are more than _MaxOverlapNoteCt fallback to first version ignoring notes with length < 1
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/// </summary>
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/// <param name="forceReload"></param>
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/// <returns></returns>
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public bool ReadNotes(bool forceReload = false)
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{
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//Skip loading if already done and no reload is forced
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if (_Song.NotesLoaded && !forceReload)
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return true;
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string filePath = Path.Combine(_Song.Folder, _Song.FileName);
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if (!File.Exists(filePath))
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{
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_LogError("The file does not exist", false);
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return false;
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}
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int currentBeat = 0; //Used for relative songs
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CSongNote lastNote = null; //Holds last parsed note. Get's reset on player change
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bool endFound = false; // True if end tag was found
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int player = 1;
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_LineNr = 0;
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char[] trimChars = {' ', ':'};
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char[] splitChars = {' '};
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var changesMade = new CAutoChanges();
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StreamReader sr = null;
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try
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{
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sr = new StreamReader(filePath, _Song.Encoding, true);
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_Song.Notes.Reset();
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//Search for Note Beginning
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while (!sr.EndOfStream && !endFound)
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{
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string line = sr.ReadLine();
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_LineNr++;
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if (String.IsNullOrEmpty(line))
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continue;
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char tag = line[0];
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//Remove tag and potential space
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line = (line.Length >= 2 && line[1] == ' ') ? line.Substring(2) : line.Substring(1);
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int beat, length;
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switch (tag)
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{
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case '#':
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continue;
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case 'E':
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endFound = true;
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break;
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case 'P':
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line = line.Trim(trimChars);
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if (!int.TryParse(line, out player))
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{
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_LogError("Wrong or missing number after \"P\"");
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return false;
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}
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currentBeat = 0;
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lastNote = null;
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break;
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case ':':
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case '*':
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case 'F':
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string[] noteData = line.Split(splitChars, 4);
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if (noteData.Length < 4)
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{
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if (noteData.Length == 3)
|
|
{
|
|
_LogWarning("Ignored note without text");
|
|
changesMade.NoTextNoteCt++;
|
|
continue;
|
|
}
|
|
_LogError("Invalid note found");
|
|
sr.Dispose();
|
|
return false;
|
|
}
|
|
int tone;
|
|
if (!int.TryParse(noteData[0], out beat) || !int.TryParse(noteData[1], out length) || !int.TryParse(noteData[2], out tone))
|
|
{
|
|
_LogError("Invalid note found (non-numeric values)");
|
|
sr.Dispose();
|
|
return false;
|
|
}
|
|
string text = noteData[3].TrimMultipleWs();
|
|
if (text == "")
|
|
{
|
|
_LogWarning("Ignored note without text");
|
|
changesMade.NoTextNoteCt++;
|
|
continue;
|
|
}
|
|
if (_CurrentReadMode == ENoteReadMode.ZeroBased)
|
|
length++;
|
|
if (length < 1)
|
|
{
|
|
changesMade.ZeroLengthNoteCt++;
|
|
if (_CurrentReadMode == ENoteReadMode.Normal && changesMade.ZeroLengthNoteCt > _MaxZeroNoteCt && changesMade.OverlapNoteCt <= _MaxOverlapNoteCt)
|
|
{
|
|
_LogWarning("Found more than " + _MaxZeroNoteCt + " note with length < 1. Trying alternative read mode.");
|
|
_CurrentReadMode = ENoteReadMode.ZeroBased;
|
|
sr.Dispose();
|
|
return ReadNotes(true);
|
|
}
|
|
_LogWarning("Ignored note with length < 1");
|
|
}
|
|
else
|
|
{
|
|
ENoteType noteType;
|
|
|
|
if (tag.Equals('*'))
|
|
noteType = ENoteType.Golden;
|
|
else if (tag.Equals('F'))
|
|
noteType = ENoteType.Freestyle;
|
|
else
|
|
noteType = ENoteType.Normal;
|
|
|
|
if (_Song.Relative)
|
|
beat += currentBeat;
|
|
|
|
bool ignored = false;
|
|
foreach (int curPlayer in player.GetSetBits())
|
|
{
|
|
//Create the note here as we want independent instances in the lines. Otherwhise we can't modify them later
|
|
lastNote = new CSongNote(beat, length, tone, text, noteType);
|
|
if (!_AddNote(curPlayer, lastNote))
|
|
{
|
|
if (!ignored)
|
|
{
|
|
ignored = true;
|
|
changesMade.OverlapNoteCt++;
|
|
if (changesMade.OverlapNoteCt > _MaxOverlapNoteCt && _CurrentReadMode == ENoteReadMode.ZeroBased)
|
|
{
|
|
_LogWarning("Found more than " + _MaxOverlapNoteCt + " overlapping notes. Using standard mode.");
|
|
_CurrentReadMode = ENoteReadMode.OneBased;
|
|
sr.Dispose();
|
|
return ReadNotes(true);
|
|
}
|
|
}
|
|
_LogWarning("Ignored note for player " + (curPlayer + 1) + " because it overlaps with other note");
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case '-':
|
|
string[] lineBreakData = line.Split(splitChars);
|
|
if (lineBreakData.Length < 1)
|
|
{
|
|
_LogError("Invalid line break found (No beat)");
|
|
sr.Dispose();
|
|
return false;
|
|
}
|
|
if (!int.TryParse(lineBreakData[0], out beat))
|
|
{
|
|
_LogError("Invalid line break found (Non-numeric value)");
|
|
sr.Dispose();
|
|
return false;
|
|
}
|
|
|
|
if (_Song.Relative)
|
|
{
|
|
beat += currentBeat;
|
|
if (lineBreakData.Length < 2 || !int.TryParse(lineBreakData[1], out length))
|
|
{
|
|
_LogWarning("Missing line break length");
|
|
changesMade.NoLengthBreakCt++;
|
|
currentBeat = beat;
|
|
}
|
|
else
|
|
currentBeat += length;
|
|
}
|
|
|
|
if (lastNote != null && beat <= lastNote.EndBeat)
|
|
{
|
|
_LogWarning("Line break is before previous note end. Adjusted.");
|
|
changesMade.AjustedBreakCt++;
|
|
if (_Song.Relative)
|
|
currentBeat += lastNote.EndBeat - beat + 1;
|
|
beat = lastNote.EndBeat + 1;
|
|
}
|
|
|
|
if (beat < 1)
|
|
{
|
|
_LogWarning("Ignored line break because position is < 1");
|
|
changesMade.InvalidPosBreakCt++;
|
|
}
|
|
else
|
|
{
|
|
foreach (int curPlayer in player.GetSetBits())
|
|
{
|
|
if (!_NewSentence(curPlayer, beat))
|
|
_LogWarning("Ignored line break for player " + (curPlayer + 1) + " (Overlapping or duplicate)");
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
_LogError("Unexpected or missing character (" + tag + ")");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < _Song.Notes.VoiceCount; i++)
|
|
{
|
|
CVoice voice = _Song.Notes.GetVoice(i);
|
|
int emptyLines = voice.RemoveEmptyLines();
|
|
if (emptyLines > 0)
|
|
_LogWarning("Removed " + emptyLines + " empty lines from P" + ". This often indicates a problem with the line breaks in the file", false);
|
|
voice.UpdateTimings();
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
_LogError("An unhandled exception occured (" + e.Message + ")");
|
|
if (sr != null)
|
|
sr.Dispose();
|
|
return false;
|
|
}
|
|
sr.Dispose();
|
|
try
|
|
{
|
|
_Song._FindRefrain();
|
|
_Song._FindShortEnd();
|
|
_Song.NotesLoaded = true;
|
|
if (_Song.IsDuet)
|
|
_Song._CheckDuet();
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
_LogError("An unhandled exception occured (" + e.Message + ")", false);
|
|
return false;
|
|
}
|
|
|
|
if (changesMade.IsModified)
|
|
{
|
|
string msg = "Automatic changes have been made to " + filePath + " Please check result!\r\n" + changesMade;
|
|
CBase.Log.LogError("Warning: " + msg);
|
|
if (CBase.Config.GetSaveModifiedSongs() == EOffOn.TR_CONFIG_ON)
|
|
{
|
|
string name = Path.GetFileNameWithoutExtension(_Song.FileName);
|
|
_Song.Save(Path.Combine(_Song.Folder, name + ".fix"));
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private bool _AddNote(int player, CSongNote note)
|
|
{
|
|
CVoice voice = _Song.Notes.GetVoice(player);
|
|
return voice.AddNote(note, false);
|
|
}
|
|
|
|
private bool _NewSentence(int player, int start)
|
|
{
|
|
CVoice voice = _Song.Notes.GetVoice(player);
|
|
return voice.AddLine(start);
|
|
}
|
|
}
|
|
}
|
|
} |