public void Serialize(ref Song song)
{
int songId = song == null ? -1 : song.Id;
Serialize(ref songId);
}
public static Project Load(string filename)
{
var project = new Project();
var envelopes = new Dictionary <int, Envelope>[Envelope.Max] {
new Dictionary <int, Envelope>(), new Dictionary <int, Envelope>(), new Dictionary <int, Envelope>()
};
var duties = new Dictionary <int, int>();
var instruments = new Dictionary <int, Instrument>();
var dpcms = new Dictionary <int, DPCMSample>();
var columns = new int[5] {
1, 1, 1, 1, 1
};
var noteLookup = new Dictionary <string, int>
{
["A-"] = 9,
["A#"] = 10,
["B-"] = 11,
["C-"] = 0,
["C#"] = 1,
["D-"] = 2,
["D#"] = 3,
["E-"] = 4,
["F-"] = 5,
["F#"] = 6,
["G-"] = 7,
["G#"] = 8
};
DPCMSample currentDpcm = null;
int dpcmWriteIdx = 0;
Song song = null;
string patternName = "";
var lines = File.ReadAllLines(filename);
for (int i = 0; i < lines.Length; i++)
{
var line = lines[i].Trim();
if (line.StartsWith("TITLE"))
{
project.Name = line.Substring(5).Trim(' ', '"');
}
else if (line.StartsWith("AUTHOR"))
{
project.Author = line.Substring(6).Trim(' ', '"');
}
else if (line.StartsWith("COPYRIGHT"))
{
project.Copyright = line.Substring(9).Trim(' ', '"');
}
else if (line.StartsWith("MACRO"))
{
var halves = line.Substring(5).Split(':');
var param = halves[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var curve = halves[1].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var type = int.Parse(param[0]);
var idx = int.Parse(param[1]);
var loop = int.Parse(param[2]);
var rel = int.Parse(param[3]);
if (type < 3)
{
var env = new Envelope();
env.Length = curve.Length;
env.Loop = loop;
env.Release = type == Envelope.Volume ? rel : -1;
for (int j = 0; j < curve.Length; j++)
{
env.Values[j] = sbyte.Parse(curve[j]);
}
if (type == 2)
{
env.ConvertToAbsolute();
}
envelopes[type][idx] = env;
}
else if (type == 4)
{
duties[idx] = int.Parse(curve[0]);
}
}
else if (line.StartsWith("DPCMDEF"))
{
var param = SplitStringKeepQuotes(line.Substring(7));
var name = param[2];
var j = 2;
while (!project.IsDPCMSampleNameUnique(name))
{
name = param[2] + "-" + j++;
}
currentDpcm = project.CreateDPCMSample(name, new byte[int.Parse(param[1])]);
dpcms[int.Parse(param[0])] = currentDpcm;
dpcmWriteIdx = 0;
}
else if (line.StartsWith("DPCM"))
{
var param = line.Substring(6).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var s in param)
{
currentDpcm.Data[dpcmWriteIdx++] = Convert.ToByte(s, 16);
}
}
else if (line.StartsWith("KEYDPCM"))
{
var param = line.Substring(7).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (param[0] == "0")
{
int octave = int.Parse(param[1]);
int semitone = int.Parse(param[2]);
int note = octave * 12 + semitone + 1;
if (project.NoteSupportsDPCM(note))
{
int dpcm = int.Parse(param[3]);
int pitch = int.Parse(param[4]);
int loop = int.Parse(param[5]);
project.MapDPCMSample(note, dpcms[dpcm], pitch, loop != 0);
}
}
}
else if (line.StartsWith("INST2A03"))
{
var param = SplitStringKeepQuotes(line.Substring(8));
int idx = int.Parse(param[0]);
int vol = int.Parse(param[1]);
int arp = int.Parse(param[2]);
int pit = int.Parse(param[3]);
int dut = int.Parse(param[5]);
var name = param[6];
var j = 2;
if (!project.IsInstrumentNameUnique(name))
{
name = param[6] + "-" + j++;
}
var instrument = project.CreateInstrument(name);
if (vol >= 0)
{
instrument.Envelopes[0] = envelopes[0][vol].Clone();
}
if (arp >= 0)
{
instrument.Envelopes[1] = envelopes[1][arp].Clone();
}
if (pit >= 0)
{
instrument.Envelopes[2] = envelopes[2][pit].Clone();
}
if (dut >= 0)
{
instrument.DutyCycle = duties[dut];
}
instruments[idx] = instrument;
}
else if (line.StartsWith("TRACK"))
{
var param = SplitStringKeepQuotes(line.Substring(5));
song = project.CreateSong(param[3]);
song.Length = 0;
song.PatternLength = int.Parse(param[0]);
song.Speed = int.Parse(param[1]);
song.Tempo = int.Parse(param[2]);
}
else if (line.StartsWith("COLUMNS"))
{
var param = line.Substring(7).Split(new[] { ' ', ':' }, StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < 5; j++)
{
columns[j] = int.Parse(param[j]);
}
}
else if (line.StartsWith("ORDER"))
{
var orderIdx = Convert.ToInt32(line.Substring(6, 2), 16);
var values = line.Substring(5).Split(':')[1].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var order = new int[5];
for (int j = 0; j < 5; j++)
{
int patternIdx = Convert.ToInt32(values[j], 16);
var name = values[j];
var pattern = song.Channels[j].GetPattern(name);
if (pattern == null)
{
pattern = song.Channels[j].CreatePattern(name);
}
song.Channels[j].PatternInstances[orderIdx] = pattern;
}
song.Length++;
}
else if (line.StartsWith("PATTERN"))
{
patternName = line.Substring(8);
}
else if (line.StartsWith("ROW"))
{
var channels = line.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
var rowIdx = Convert.ToInt32(channels[0].Substring(4, 2), 16);
for (int j = 1; j <= 5; j++)
{
var noteData = channels[j].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var pattern = song.Channels[j - 1].GetPattern(patternName);
if (pattern == null)
{
continue;
}
// Note
if (noteData[0] == "---")
{
pattern.Notes[rowIdx].Value = Note.NoteStop;
}
else if (noteData[0] == "===")
{
pattern.Notes[rowIdx].Value = Note.NoteRelease;
}
else if (noteData[0] != "...")
{
int famitoneNote;
if (j == 4)
{
famitoneNote = (Convert.ToInt32(noteData[0].Substring(0, 1), 16) + 31) + 1;
}
else
{
int semitone = noteLookup[noteData[0].Substring(0, 2)];
int octave = noteData[0][2] - '0';
famitoneNote = octave * 12 + semitone + 1;
}
if (famitoneNote >= Note.NoteMin && famitoneNote <= Note.NoteMax)
{
pattern.Notes[rowIdx].Value = (byte)famitoneNote;
pattern.Notes[rowIdx].Instrument = j == 5 ? null : instruments[Convert.ToInt32(noteData[1], 16)];
}
else
{
// Note outside of range.
}
}
// Volume
if (noteData[2] != ".")
{
pattern.Notes[rowIdx].Volume = Convert.ToByte(noteData[2], 16);
}
// Read FX.
for (int k = 0; k < columns[j - 1]; k++)
{
string fx = noteData[3 + k];
switch (fx[0])
{
case 'B': // Jump
pattern.Notes[rowIdx].Effect = Note.EffectJump;
break;
case 'D': // Skip
pattern.Notes[rowIdx].Effect = Note.EffectSkip;
break;
case 'F': // Tempo
pattern.Notes[rowIdx].Effect = Note.EffectSpeed;
break;
default:
continue;
}
pattern.Notes[rowIdx].EffectParam = Convert.ToByte(fx.Substring(1), 16);
}
}
}
}
foreach (var s in project.Songs)
{
s.RemoveEmptyPatterns();
foreach (var c in s.Channels)
{
c.ColorizePatterns();
}
}
return(project);
}
public void Advance(Song song, NoteLocation location, ref int famitrackerSpeed)
{
// When advancing row, if there was a delayed note, play it immediately. That's how FamiTracker does it.
if (delayedNote != null)
{
PlayNote(delayedNote, delayedNoteSlidePitch, delayedNoteSlideStep);
delayedNote = null;
delayedNoteCounter = 0;
}
var channel = song.GetChannelByType(channelType);
var pattern = channel.PatternInstances[location.PatternIndex];
var newNote = (Note)null;
if (pattern != null)
{
pattern.Notes.TryGetValue(location.NoteIndex, out newNote);
}
var needClone = true;
// Generate a release note if the release counter reaches zero.
if (releaseCounter > 0 && --releaseCounter == 0 && (newNote == null || !newNote.IsMusicalOrStop))
{
newNote = newNote == null ? new Note() : newNote.Clone();
newNote.Value = Note.NoteRelease;
needClone = false;
}
// Generate a stop note if the stop counter reaches zero.
if (durationCounter > 0 && --durationCounter == 0 && (newNote == null || !newNote.IsMusicalOrStop))
{
newNote = newNote == null ? new Note() : newNote.Clone();
newNote.Value = Note.NoteStop;
needClone = false;
}
if (newNote != null)
{
// We dont delay speed effects. This is not what FamiTracker does, but I dont care.
// There is a special place in hell for people who delay speed effect.
if (newNote.HasSpeed)
{
famitrackerSpeed = newNote.Speed;
}
// Clear any pending release.
if (newNote.IsMusicalOrStop)
{
releaseCounter = 0;
}
// Slide params needs to be computed right away since we wont have access to the play position/channel later.
int noteSlidePitch = 0;
int noteSlideStep = 0;
if (newNote.IsMusical)
{
if (newNote.IsSlideNote)
{
channel.ComputeSlideNoteParams(newNote, location, famitrackerSpeed, noteTable, palPlayback, true, out noteSlidePitch, out noteSlideStep, out _);
}
if (newNote.HasRelease)
{
var releaseLocation = location.Advance(song, newNote.Release);
// Don't process release that go beyond the end of the song.
if (releaseLocation.IsInSong(song))
{
releaseCounter = newNote.Release;
}
}
var stopLocation = location.Advance(song, newNote.Duration);
// Don't stop notes that go beyond the end of the song.
if (stopLocation.IsInSong(song))
{
durationCounter = newNote.Duration;
}
}
if (newNote.HasVolumeSlide)
{
channel.ComputeVolumeSlideNoteParams(newNote, location, famitrackerSpeed, palPlayback, out volumeSlideStep, out _);
}
// Store note for later if delayed.
if (newNote.HasNoteDelay)
{
delayedNote = newNote;
delayedNoteCounter = newNote.NoteDelay + 1;
delayedNoteSlidePitch = noteSlidePitch;
delayedNoteSlideStep = noteSlideStep;
delayedNoteVolumeSlideStep = volumeSlideStep;
return;
}
PlayNote(newNote, noteSlidePitch, noteSlideStep, volumeSlideStep, needClone);
}
}
private void BuildChannelColors(Song song, List <VideoChannelState> channels, VideoFrameMetadata[] meta, int colorMode)
{
Color[,] colors = new Color[meta.Length, meta[0].channelNotes.Length];
// Get the note colors.
for (int i = 0; i < meta.Length; i++)
{
var m = meta[i];
m.channelColors = new Color[m.channelNotes.Length];
for (int j = 0; j < channels.Count; j++)
{
var note = m.channelNotes[channels[j].songChannelIndex];
if (note != null && note.IsMusical)
{
var color = Theme.LightGreyFillColor1;
if (colorMode == OscilloscopeColorType.Channel)
{
var channel = song.Channels[channels[j].songChannelIndex];
for (int p = 0; p < channel.PatternInstances.Length; p++)
{
if (channel.PatternInstances[p] != null)
{
color = channel.PatternInstances[p].Color;
break;
}
}
}
else if (colorMode != OscilloscopeColorType.None)
{
if (channels[j].channel.Type == ChannelType.Dpcm)
{
if (colorMode == OscilloscopeColorType.InstrumentsAndSamples)
{
var mapping = channels[j].channel.Song.Project.GetDPCMMapping(note.Value);
if (mapping != null)
{
color = mapping.Sample.Color;
}
}
}
else
{
if (note.Instrument != null && (colorMode == OscilloscopeColorType.Instruments || colorMode == OscilloscopeColorType.InstrumentsAndSamples))
{
color = note.Instrument.Color;
}
}
}
colors[i, j] = color;
}
}
}
// Extend any color until we hit another one.
for (int i = 0; i < colors.GetLength(0) - 1; i++)
{
for (int j = 0; j < colors.GetLength(1); j++)
{
if (colors[i, j].A != 0)
{
if (colors[i + 1, j].A == 0)
{
colors[i + 1, j] = colors[i, j];
}
}
else
{
colors[i, j] = Theme.LightGreyFillColor1;
}
}
}
const int ColorBlendTime = 5;
// Blend the colors.
for (int i = 0; i < meta.Length; i++)
{
var m = meta[i];
for (int j = 0; j < m.channelColors.Length; j++)
{
int avgR = 0;
int avgG = 0;
int avgB = 0;
int count = 0;
for (int k = i; k < i + ColorBlendTime && k < meta.Length; k++)
{
avgR += colors[k, j].R;
avgG += colors[k, j].G;
avgB += colors[k, j].B;
count++;
}
m.channelColors[j] = Color.FromArgb(avgR / count, avgG / count, avgB / count);
}
}
}
public void Advance(Song song, int patternIdx, int noteIdx, int famitrackerSpeed, int famitrackerBaseTempo)
{
var channel = song.GetChannelByType(channelType);
var pattern = channel.PatternInstances[patternIdx];
if (pattern == null)
{
return;
}
if (pattern.Notes.TryGetValue(noteIdx, out var newNote))
{
newNote = newNote.Clone();
if (newNote.IsValid)
{
if (!newNote.IsRelease)
{
slideStep = 0;
}
if (newNote.IsSlideNote)
{
if (channel.ComputeSlideNoteParams(newNote, patternIdx, noteIdx, famitrackerSpeed, famitrackerBaseTempo, noteTable, out slidePitch, out slideStep, out _))
{
newNote.Value = (byte)newNote.SlideNoteTarget;
}
}
if (!newNote.HasVolume && note.HasVolume)
{
newNote.Volume = note.Volume;
}
if (!newNote.HasFinePitch && note.HasFinePitch)
{
newNote.FinePitch = note.FinePitch;
}
if (!newNote.HasFdsModDepth && note.HasFdsModDepth)
{
newNote.FdsModDepth = note.FdsModDepth;
}
if (!newNote.HasFdsModSpeed && note.HasFdsModSpeed)
{
newNote.FdsModSpeed = note.FdsModSpeed;
}
if (newNote.Instrument == null && note.Instrument != null)
{
newNote.Instrument = note.Instrument;
}
if (newNote.Arpeggio == null && note.Arpeggio != null && newNote.IsValid && !newNote.IsMusical)
{
newNote.Arpeggio = note.Arpeggio;
}
PlayNote(newNote);
}
else
{
if (newNote.HasVolume)
{
note.Volume = newNote.Volume;
}
if (newNote.HasFinePitch)
{
note.FinePitch = newNote.FinePitch;
}
if (newNote.HasFdsModDepth)
{
note.FdsModDepth = newNote.FdsModDepth;
}
if (newNote.HasFdsModSpeed)
{
note.FdsModSpeed = newNote.FdsModSpeed;
}
if (newNote.Instrument != null)
{
note.Instrument = newNote.Instrument;
}
}
}
}
public Channel(Song song, int type, int songLength)
{
this.song = song;
this.type = type;
}
