private void LoadSections(JcfMedia media, string songPath)
{
var sectionArray = PropertyListParser.Parse(Path.Combine(songPath, "sections.plist")) as NSArray;
media.Sections = sectionArray.OfType <NSDictionary>().Select(dict => new Section
{
BeatIdx = dict.Int("beat") ?? int.Parse(dict.String("beat")), // Key can sometimes be string instead of integer.
Beat = media.Beats[dict.Int("beat") ?? int.Parse(dict.String("beat"))],
Number = dict.Int("number") ?? int.Parse(dict.String("number")), // Key can sometimes be string instead of integer.
Type = dict.Int("type").Value
}).ToList();
}
} // LoadTracks(JcfMedia, string)
private void LoadBeats(JcfMedia media, string songPath)
{
var beatArray = PropertyListParser.Parse(Path.Combine(songPath, "beats.plist")) as NSArray;
var ghostArray = PropertyListParser.Parse(Path.Combine(songPath, "ghost.plist")) as NSArray;
var beats = new List <Beat>(beatArray.Count);
for (var i = 0; i < beatArray.Count; i++)
{
var beastDict = beatArray[i] as NSDictionary;
var isDownbeat = beastDict.Bool("isDownbeat") ?? false;
var isGhostBeat = (ghostArray[i] as NSDictionary).Bool("isGhostBeat") ?? false;
beats.Add(new Beat(beastDict.Double("position") ?? 0, isDownbeat, isGhostBeat));
}
media.Beats = beats;
}
public Stream LoadNotation(JcfMedia media, ScoreInfo score, uint index)
{
var trackId = score.Track.Identifier.ToString().ToUpper();
var path = Path.Combine(media.Path, trackId) + "_jcf";
if ("Score" == score.Type)
{
path += "n_";
}
else if ("Tablature" == score.Type)
{
path += "t_";
}
path += string.Format("{0:D2}", index);
return(File.OpenRead(path));
}
/// <summary>
/// Loads score nodes for each instrument track.
/// </summary>
/// <param name="media">Must already have InstrumentTracks set.</param>
/// <param name="songPath"></param>
private void LoadScoreNodes(JcfMedia media, string songPath)
{
using (var stream = File.OpenRead(Path.Combine(songPath, "nowline.nodes")))
{
var numTracks = stream.ReadInt32LE();
var temp = new byte[32];
for (var i = 0; i < numTracks; i++)
{
stream.Read(temp, 0, 32);
var title = Encoding.UTF8.GetString(temp, 0, 32);
title = title.Remove(title.IndexOf('\0'));
stream.Read(temp, 0, 32);
var type = Encoding.UTF8.GetString(temp, 0, 32);
type = type.Remove(type.IndexOf('\0'));
var nodes = BeatInfo.FromStream(stream);
var index = media.InstrumentTracks.FirstOrDefault(track => track.Title == title);
media.ScoreNodes[index] = new ScoreNodes(title, type, nodes);
}
}
}
public JcfMedia LoadMedia(SongInfo song)
{
string songPath = Path.Combine(dataDirectory, "Tracks", $"{song.Sku}" + ".jcf");
var result = new JcfMedia(song, songPath);
// Load length
var beatArray = PropertyListParser.Parse(Path.Combine(songPath, "beats.plist")) as NSArray;
var dictionary = beatArray[beatArray.Count - 1] as NSDictionary;
var position = dictionary.Double("position") ?? 0;
result.Length = TimeSpan.FromSeconds(position);
LoadTracks(result, songPath);
LoadBeats(result, songPath);
LoadSections(result, songPath);
LoadScoreNodes(result, songPath);
return(result);
}
public Stream LoadAlbumCover(JcfMedia media)
{
return(File.OpenRead(Path.Combine(media.Path, "cover.jpg")));
}
private void LoadTracks(JcfMedia media, string songPath)
{
var trackskArray = PropertyListParser.Parse(Path.Combine(songPath, "tracks.plist")) as NSArray;
foreach (var track in trackskArray)
{
var dict = track as NSDictionary;
if (dict == null)
{
continue;
}
Guid guid = Guid.Parse(dict.String("identifier"));
string id = guid.ToString().ToUpper();
string type = dict.String("class");
switch (type)
{
case "JMEmptyTrack":
//TODO
break;
case "JMFileTrack":
var source = new FileTrackInfo
{
Identifier = guid,
Title = dict.String("title"),
ScoreSystemHeight = (uint)dict.Int("scoreSystemHeight"),
ScoreSystemInterval = (uint)dict.Int("scoreSystemInterval")
};
var notationPages = Directory.GetFiles(songPath, $"{id}_jcfn_??").Length;
var tablaturePages = Directory.GetFiles(songPath, $"{id}_jcft_??").Length;
if (notationPages + tablaturePages > 0)
{
var notated = new NotatedTrackInfo(source)
{
NotationPages = (uint)notationPages,
TablaturePages = (uint)tablaturePages
};
media.InstrumentTracks.Add(notated);
media.Scores.Add(new ScoreInfo(notated, "Score"));
if (tablaturePages > 0)
{
media.Scores.Add(new ScoreInfo(notated, "Tablature"));
}
}
else
{
media.BackingTrack = source;
}
break;
default:
switch (dict.Count)
{
case 2:
break;//TODO
case 3:
if ("JMClickTrack" == type)
{
media.ClickTrack = new PlayableTrackInfo()
{
Class = type,
Identifier = guid,
Title = dict.String("title")
}
}
;
break;
default:
throw new Exception("Unrecognized track info.\n" + dict.ToString());
}
break;
}
}
} // LoadTracks(JcfMedia, string)
