protected DPCMSample CreateUniquelyNamedSample(string baseName, byte[] data)
{
string name = baseName;
var j = 2;
while (!project.IsDPCMSampleNameUnique(name))
{
name = baseName + "-" + j++;
}
return(project.CreateDPCMSample(name, data));
}
public static Instrument CreateFromFile(Project project, string filename)
{
var bytes = System.IO.File.ReadAllBytes(filename);
if (!bytes.Skip(0).Take(3).SequenceEqual(Encoding.ASCII.GetBytes("FTI")))
{
return(null);
}
if (!bytes.Skip(3).Take(3).SequenceEqual(Encoding.ASCII.GetBytes("2.4")))
{
return(null);
}
var instType = (InstrumentType)bytes[6];
// Needs to match the current expansion audio. Our enum happens to match (-1) for now.
if (instType != InstrumentType.INST_2A03 && (int)(instType - 1) != project.ExpansionAudio)
{
return(null);
}
var offset = 7;
var nameLen = BitConverter.ToInt32(bytes, offset); offset += 4;
var name = Encoding.ASCII.GetString(bytes, offset, nameLen); offset += nameLen;
if (bytes[offset++] != (int)SequenceType.SEQ_COUNT)
{
return(null);
}
if (project.GetInstrument(name) != null)
{
return(null);
}
var instrument = project.CreateInstrument((int)instType - 1, name);
// Envelopes
for (int i = 0; i < (int)SequenceType.SEQ_COUNT; i++)
{
if (bytes[offset++] == 1)
{
var itemCount = BitConverter.ToInt32(bytes, offset); offset += 4;
var loopPoint = BitConverter.ToInt32(bytes, offset); offset += 4;
var releasePoint = BitConverter.ToInt32(bytes, offset); offset += 4;
var setting = BitConverter.ToInt32(bytes, offset); offset += 4;
var seq = new sbyte[itemCount];
for (int j = 0; j < itemCount; j++)
{
seq[j] = (sbyte)bytes[offset++];
}
if (releasePoint >= 0 && i != (int)SequenceType.SEQ_VOLUME)
{
releasePoint = -1;
}
// FamiTracker allows envelope with release with no loop. We dont allow that.
if (i == (int)SequenceType.SEQ_VOLUME && releasePoint != -1)
{
if (loopPoint == -1)
{
loopPoint = releasePoint;
}
if (releasePoint != -1)
{
releasePoint++;
}
}
Envelope env = null;
switch ((SequenceType)i)
{
case SequenceType.SEQ_VOLUME: env = instrument.Envelopes[Envelope.Volume]; break;
case SequenceType.SEQ_PITCH: env = instrument.Envelopes[Envelope.Pitch]; env.Relative = true; break;
case SequenceType.SEQ_ARPEGGIO: env = instrument.Envelopes[Envelope.Arpeggio]; break;
case SequenceType.SEQ_DUTYCYCLE: instrument.DutyCycle = seq[0]; break;
}
if (env != null)
{
env.Length = itemCount;
env.Loop = loopPoint;
env.Release = releasePoint;
Array.Copy(seq, 0, env.Values, 0, itemCount);
}
}
}
// Samples
if (instType == InstrumentType.INST_2A03)
{
// Skip over the sample mappings for now, we will load them after the actual sample data.
var assignedCount = BitConverter.ToInt32(bytes, offset); offset += 4;
var mappingOffset = offset;
offset += assignedCount * 4;
var sampleCount = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleMap = new DPCMSample[sampleCount];
for (int i = 0; i < sampleCount; i++)
{
var sampleIdx = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleNameLen = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleName = Encoding.ASCII.GetString(bytes, offset, sampleNameLen); offset += sampleNameLen;
var sampleSize = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleData = new byte[sampleSize];
Array.Copy(bytes, offset, sampleData, 0, sampleSize); offset += sampleSize;
sampleMap[sampleIdx] = project.CreateDPCMSample(sampleName, sampleData);
}
for (int i = 0; i < assignedCount; i++)
{
byte idx = bytes[mappingOffset++];
byte sample = bytes[mappingOffset++];
byte pitch = bytes[mappingOffset++];
byte delta = bytes[mappingOffset++];
if (project.NoteSupportsDPCM(idx + 1))
{
project.MapDPCMSample(idx + 1, sampleMap[sample - 1], pitch);
}
}
}
return(instrument);
}
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 = "";
string projectName;
var lines = File.ReadAllLines(filename);
for (int i = 0; i < lines.Length; i++)
{
var line = lines[i].Trim();
if (line.StartsWith("TITLE"))
{
projectName = line.Substring(5).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]);
if (type < 3)
{
var env = new Envelope();
env.Length = curve.Length;
env.Loop = loop;
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 - 11;
if (note >= Note.NoteMin && note <= Note.NoteMax)
{
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;
}
if (noteData[0] == "---")
{
pattern.Notes[rowIdx].Value = 0;
}
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 - 11;
}
if (famitoneNote > 0 && famitoneNote < 64)
{
pattern.Notes[rowIdx].Value = (byte)famitoneNote;
pattern.Notes[rowIdx].Instrument = j == 5 ? null : instruments[Convert.ToInt32(noteData[1], 16)];
}
else
{
// Note outside of range.
}
}
// 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 Project Load(string filename)
{
try
{
var lines = File.ReadAllLines(filename);
var parameters = new Dictionary <string, string>();
var project = (Project)null;
var instrument = (Instrument)null;
var song = (Song)null;
var channel = (Channel)null;
var pattern = (Pattern)null;
foreach (var line in lines)
{
var cmd = SplitLine(line.Trim(), ref parameters);
switch (cmd)
{
case "Project":
{
project = new Project();
if (parameters.TryGetValue("Name", out var name))
{
project.Name = name;
}
if (parameters.TryGetValue("Author", out var author))
{
project.Author = author;
}
if (parameters.TryGetValue("Copyright", out var copyright))
{
project.Copyright = copyright;
}
if (parameters.TryGetValue("Expansion", out var expansion))
{
project.SetExpansionAudio(Array.IndexOf(Project.ExpansionShortNames, expansion));
}
if (parameters.TryGetValue("TempoMode", out var tempoMode))
{
project.TempoMode = Array.IndexOf(Project.TempoModeNames, tempoMode);
}
if (parameters.TryGetValue("PAL", out var pal))
{
project.PalMode = bool.Parse(pal);
}
break;
}
case "DPCMSample":
{
var str = parameters["Data"];
var data = new byte[str.Length / 2];
for (int i = 0; i < data.Length; i++)
{
data[i] = Convert.ToByte(str.Substring(i * 2, 2), 16);
}
project.CreateDPCMSample(parameters["Name"], data);
break;
}
case "DPCMMapping":
{
var pitch = 15;
var loop = false;
if (parameters.TryGetValue("Pitch", out var pitchStr))
{
pitch = int.Parse(pitchStr);
}
if (parameters.TryGetValue("Loop", out var loopStr))
{
loop = bool.Parse(loopStr);
}
project.MapDPCMSample(Note.FromFriendlyName(parameters["Note"]), project.GetSample(parameters["Sample"]), pitch, loop);
break;
}
case "Instrument":
{
instrument = project.CreateInstrument(parameters.TryGetValue("Expansion", out _) ? project.ExpansionAudio : Project.ExpansionNone, parameters["Name"]);
if (instrument.ExpansionType == Project.ExpansionFds)
{
if (parameters.TryGetValue("FdsWavePreset", out var wavPresetStr))
{
instrument.FdsWavePreset = (byte)Array.IndexOf(Envelope.PresetNames, wavPresetStr);
}
if (parameters.TryGetValue("FdsModPreset", out var modPresetStr))
{
instrument.FdsWavePreset = (byte)Array.IndexOf(Envelope.PresetNames, modPresetStr);
}
if (parameters.TryGetValue("FdsMasterVolume", out var masterVolumeStr))
{
instrument.FdsMasterVolume = byte.Parse(masterVolumeStr);
}
if (parameters.TryGetValue("FdsModSpeed", out var fdsModSpeedStr))
{
instrument.FdsModSpeed = ushort.Parse(fdsModSpeedStr);
}
if (parameters.TryGetValue("FdsModDepth", out var fdsModDepthStr))
{
instrument.FdsModDepth = byte.Parse(fdsModDepthStr);
}
if (parameters.TryGetValue("FdsModDelay", out var fdsModDelayStr))
{
instrument.FdsModDelay = byte.Parse(fdsModDelayStr);
}
}
else if (instrument.ExpansionType == Project.ExpansionN163)
{
if (parameters.TryGetValue("N163WavePreset", out var wavPresetStr))
{
instrument.N163WavePreset = (byte)Array.IndexOf(Envelope.PresetNames, wavPresetStr);
}
if (parameters.TryGetValue("N163WaveSize", out var n163WavSizeStr))
{
instrument.N163WaveSize = byte.Parse(n163WavSizeStr);
}
if (parameters.TryGetValue("N163WavePos", out var n163WavPosStr))
{
instrument.N163WavePos = byte.Parse(n163WavPosStr);
}
}
else if (instrument.ExpansionType == Project.ExpansionVrc7)
{
if (parameters.TryGetValue("Vrc7Patch", out var vrc7PatchStr))
{
instrument.Vrc7Patch = byte.Parse(vrc7PatchStr);
}
if (instrument.Vrc7Patch == 0)
{
for (int i = 0; i < 8; i++)
{
if (parameters.TryGetValue($"Vrc7Reg{i}", out var regStr))
{
instrument.Vrc7PatchRegs[i] = byte.Parse(regStr);
}
}
}
}
break;
}
case "Envelope":
{
var env = instrument.Envelopes[Array.IndexOf(Envelope.EnvelopeShortNames, parameters["Type"])];
if (env != null)
{
if (env.CanResize)
{
env.Length = int.Parse(parameters["Length"]);
}
if (parameters.TryGetValue("Loop", out var loopStr))
{
env.Loop = int.Parse(loopStr);
}
if (parameters.TryGetValue("Release", out var releaseStr))
{
env.Release = int.Parse(releaseStr);
}
if (parameters.TryGetValue("Relative", out var relativeStr))
{
env.Relative = bool.Parse(relativeStr);
}
var values = parameters["Values"].Split(',');
for (int j = 0; j < values.Length; j++)
{
env.Values[j] = sbyte.Parse(values[j]);
}
}
break;
}
case "Song":
{
song = project.CreateSong(parameters["Name"]);
song.SetLength(int.Parse(parameters["Length"]));
song.SetBarLength(int.Parse(parameters["BarLength"]));
song.SetLoopPoint(int.Parse(parameters["LoopPoint"]));
if (song.UsesFamiTrackerTempo)
{
song.SetDefaultPatternLength(int.Parse(parameters["PatternLength"]));
song.FamitrackerTempo = int.Parse(parameters["FamiTrackerTempo"]);
song.FamitrackerSpeed = int.Parse(parameters["FamiTrackerSpeed"]);
}
else
{
var noteLength = int.Parse(parameters["NoteLength"]);
song.ResizeNotes(noteLength, false);
song.SetBarLength(int.Parse(parameters["BarLength"]) * noteLength);
song.SetDefaultPatternLength(int.Parse(parameters["PatternLength"]) * noteLength);
}
break;
}
case "PatternCustomSettings":
{
if (project.UsesFamiTrackerTempo)
{
song.SetPatternCustomSettings(int.Parse(parameters["Time"]), int.Parse(parameters["Length"]));
}
else
{
var patternLength = int.Parse(parameters["Length"]);
var noteLength = int.Parse(parameters["NoteLength"]);
var barLength = int.Parse(parameters["BarLength"]);
song.SetPatternCustomSettings(int.Parse(parameters["Time"]), patternLength * noteLength, noteLength, barLength * noteLength);
}
break;
}
case "Channel":
{
var channelType = Array.IndexOf(Channel.ChannelExportNames, parameters["Type"]);
channel = song.GetChannelByType(channelType);
break;
}
case "Pattern":
{
pattern = channel.CreatePattern(parameters["Name"]);
break;
}
case "Note":
{
var time = int.Parse(parameters["Time"]);
var note = pattern.GetOrCreateNoteAt(time);
if (parameters.TryGetValue("Value", out var valueStr))
{
note.Value = (byte)Note.FromFriendlyName(valueStr);
}
if (parameters.TryGetValue("Instrument", out var instStr))
{
note.Instrument = project.GetInstrument(instStr);
}
if (parameters.TryGetValue("Attack", out var attackStr))
{
note.HasAttack = bool.Parse(attackStr);
}
if (parameters.TryGetValue("Volume", out var volumeStr))
{
note.Volume = byte.Parse(volumeStr);
}
if (parameters.TryGetValue("VibratoSpeed", out var vibSpeedStr))
{
note.VibratoSpeed = byte.Parse(vibSpeedStr);
}
if (parameters.TryGetValue("VibratoDepth", out var vibDepthStr))
{
note.VibratoDepth = byte.Parse(vibDepthStr);
}
if (parameters.TryGetValue("FinePitch", out var finePitchStr))
{
note.FinePitch = sbyte.Parse(finePitchStr);
}
if (parameters.TryGetValue("SlideTarget", out var slideStr))
{
note.SlideNoteTarget = (byte)Note.FromFriendlyName(valueStr);
}
if (parameters.TryGetValue("FdsModSpeed", out var modSpeedStr))
{
note.FdsModSpeed = ushort.Parse(modSpeedStr);
}
if (parameters.TryGetValue("FdsModDepth", out var modDepthStr))
{
note.FdsModDepth = byte.Parse(modDepthStr);
}
break;
}
case "PatternInstance":
{
var time = int.Parse(parameters["Time"]);
channel.PatternInstances[time] = channel.GetPattern(parameters["Pattern"]);
break;
}
}
}
return(project);
}
catch
{
return(null);
}
}
public static Project Load(string filename)
{
var project = new Project();
var envelopes = new Dictionary <int, Envelope> [Project.ExpansionCount, Envelope.Max];
var duties = new Dictionary <int, int> [Project.ExpansionCount];
var instruments = new Dictionary <int, Instrument>();
var dpcms = new Dictionary <int, DPCMSample>();
var columns = new int[5] {
1, 1, 1, 1, 1
};
var patternFxData = new Dictionary <Pattern, RowFxData[, ]>();
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
};
for (int i = 0; i < envelopes.GetLength(0); i++)
{
for (int j = 0; j < envelopes.GetLength(1); j++)
{
envelopes[i, j] = new Dictionary <int, Envelope>();
}
}
for (int i = 0; i < duties.Length; i++)
{
duties[i] = new Dictionary <int, int>();
}
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("EXPANSION"))
{
var exp = int.Parse(line.Substring(9));
if (exp == 1)
{
project.SetExpansionAudio(Project.ExpansionVrc6);
}
}
else if (line.StartsWith("MACRO"))
{
var expansion = line.Substring(5, 4) == "VRC6" ? Project.ExpansionVrc6 : Project.ExpansionNone;
var halves = line.Substring(line.IndexOf(' ')).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;
// FamiTracker allows envelope with release with no loop. We dont allow that.
if (type == Envelope.Volume && loop == -1 && rel != -1)
{
loop = rel;
}
env.Loop = loop;
env.Release = type == Envelope.Volume && rel != -1 ? rel + 1 : -1;
for (int j = 0; j < curve.Length; j++)
{
env.Values[j] = sbyte.Parse(curve[j]);
}
if (type == 2)
{
env.Relative = true;
}
envelopes[expansion, type][idx] = env;
}
else if (type == 4)
{
duties[expansion][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") || line.StartsWith("INSTVRC6"))
{
var expansion = line.Substring(4, 4) == "VRC6" ? Project.ExpansionVrc6 : Project.ExpansionNone;
var param = SplitStringKeepQuotes(line.Substring(line.IndexOf(' ')));
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 expansionType = line.StartsWith("INSTVRC6") ? Project.ExpansionVrc6 : Project.ExpansionNone;
var instrument = project.CreateInstrument(expansionType, name);
if (vol >= 0)
{
instrument.Envelopes[0] = envelopes[expansion, 0][vol].Clone();
}
if (arp >= 0)
{
instrument.Envelopes[1] = envelopes[expansion, 1][arp].Clone();
}
if (pit >= 0)
{
instrument.Envelopes[2] = envelopes[expansion, 2][pit].Clone();
}
if (dut >= 0)
{
instrument.DutyCycle = duties[expansionType][dut];
}
instruments[idx] = instrument;
}
else if (line.StartsWith("TRACK"))
{
var param = SplitStringKeepQuotes(line.Substring(5));
song = project.CreateSong(param[3]);
song.SetLength(0);
song.SetPatternLength(int.Parse(param[0]));
song.Speed = int.Parse(param[1]);
song.Tempo = int.Parse(param[2]);
columns = new int[song.Channels.Length];
}
else if (line.StartsWith("COLUMNS"))
{
var param = line.Substring(7).Split(new[] { ' ', ':' }, StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < song.Channels.Length; 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[song.Channels.Length];
for (int j = 0; j < song.Channels.Length; 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.SetLength(song.Length + 1);
}
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 <= song.Channels.Length; j++)
{
var noteData = channels[j].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var pattern = song.Channels[j - 1].GetPattern(patternName);
if (pattern == null)
{
continue;
}
//var fxData = new RowFxData[song.PatternLength];
if (!patternFxData.ContainsKey(pattern))
{
patternFxData[pattern] = new RowFxData[song.PatternLength, 4];
}
// 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.MusicalNoteMin && famitoneNote <= Note.MusicalNoteMax)
{
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++)
{
var fx = noteData[3 + k];
if (fx == "...")
{
continue;
}
var param = Convert.ToByte(fx.Substring(1), 16);
var fxData = patternFxData[pattern];
fxData[rowIdx, k].fx = fx[0];
fxData[rowIdx, k].param = param;
switch (fx[0])
{
case 'B': // Jump
pattern.Notes[rowIdx].Jump = param;
break;
case 'D': // Skip
pattern.Notes[rowIdx].Skip = param;
break;
case 'F': // Tempo
if (param <= 0x1f) // We only support speed change for now.
{
pattern.Notes[rowIdx].Speed = param;
}
break;
case '4': // Vibrato
pattern.Notes[rowIdx].VibratoDepth = (byte)(param & 0x0f);
pattern.Notes[rowIdx].VibratoSpeed = (byte)VibratoSpeedImportLookup[param >> 4];
if (pattern.Notes[rowIdx].VibratoDepth == 0 ||
pattern.Notes[rowIdx].VibratoSpeed == 0)
{
pattern.Notes[rowIdx].Vibrato = 0;
}
break;
}
}
}
}
}
foreach (var s in project.Songs)
{
CreateSlideNotes(s, patternFxData);
s.RemoveEmptyPatterns();
s.SetSensibleBarLength();
foreach (var c in s.Channels)
{
c.ColorizePatterns();
}
}
project.UpdateAllLastValidNotesAndVolume();
return(project);
}
public Instrument CreateFromFile(Project project, string filename)
{
var bytes = System.IO.File.ReadAllBytes(filename);
if (!bytes.Skip(0).Take(3).SequenceEqual(Encoding.ASCII.GetBytes("FTI")))
{
Log.LogMessage(LogSeverity.Error, "Incompatible file.");
return(null);
}
if (!bytes.Skip(3).Take(3).SequenceEqual(Encoding.ASCII.GetBytes("2.4")))
{
Log.LogMessage(LogSeverity.Error, "Incompatible FTI version.");
return(null);
}
var instType = InstrumentTypeLookup[bytes[6]];
// Needs to match the current expansion audio. Our enum happens to match (-1) for now.
if (instType != Project.ExpansionNone && instType != project.ExpansionAudio)
{
Log.LogMessage(LogSeverity.Error, "Audio expansion does not match the current project expansion.");
return(null);
}
var offset = 7;
var nameLen = BitConverter.ToInt32(bytes, offset); offset += 4;
var name = Encoding.ASCII.GetString(bytes, offset, nameLen); offset += nameLen;
if (project.GetInstrument(name) != null)
{
Log.LogMessage(LogSeverity.Error, $"An instrument named '{name}' already exists.");
return(null);
}
var instrument = project.CreateInstrument(instType, name);
if (instType == Project.ExpansionFds)
{
var wavEnv = instrument.Envelopes[Envelope.FdsWaveform];
for (int i = 0; i < wavEnv.Length; i++)
{
wavEnv.Values[i] = (sbyte)bytes[offset++];
}
var modEnv = instrument.Envelopes[Envelope.FdsModulation];
for (int i = 0; i < modEnv.Length; i++)
{
modEnv.Values[i] = (sbyte)bytes[offset++];
}
instrument.FdsWavePreset = Envelope.WavePresetCustom;
instrument.FdsModPreset = Envelope.WavePresetCustom;
modEnv.ConvertFdsModulationToAbsolute();
// Skip mod speed/depth/delay.
offset += sizeof(int) * 3;
ReadEnvelope(bytes, ref offset, instrument, Envelope.Volume);
ReadEnvelope(bytes, ref offset, instrument, Envelope.Arpeggio);
ReadEnvelope(bytes, ref offset, instrument, Envelope.Pitch);
}
else if (instType == Project.ExpansionNone ||
instType == Project.ExpansionN163)
{
var seqCount = bytes[offset++];
if (seqCount != SEQ_COUNT)
{
Log.LogMessage(LogSeverity.Error, $"Unexpected number of envelopes ({seqCount}).");
return(null);
}
// Envelopes
for (int i = 0; i < SEQ_COUNT; i++)
{
if (bytes[offset++] == 1)
{
ReadEnvelope(bytes, ref offset, instrument, EnvelopeTypeLookup[i]);
}
}
}
else if (instType == Project.ExpansionVrc7)
{
instrument.Vrc7Patch = (byte)BitConverter.ToInt32(bytes, offset); offset += 4;
if (instrument.Vrc7Patch == 0)
{
for (int i = 0; i < 8; ++i)
{
instrument.Vrc7PatchRegs[i] = bytes[offset++];
}
}
}
if (instType == Project.ExpansionN163)
{
int waveSize = BitConverter.ToInt32(bytes, offset); offset += 4;
int wavePos = BitConverter.ToInt32(bytes, offset); offset += 4;
int waveCount = BitConverter.ToInt32(bytes, offset); offset += 4;
instrument.N163WavePreset = Envelope.WavePresetCustom;
instrument.N163WaveSize = (byte)waveSize;
instrument.N163WavePos = (byte)wavePos;
var wavEnv = instrument.Envelopes[Envelope.N163Waveform];
// Only read the first wave for now.
for (int j = 0; j < waveSize; j++)
{
wavEnv.Values[j] = (sbyte)bytes[offset++];
}
if (waveCount > 1)
{
Log.LogMessage(LogSeverity.Warning, $"Multiple N163 waveforms detected, only loading the first one.");
}
}
// Samples
if (instType == Project.ExpansionNone)
{
// Skip over the sample mappings for now, we will load them after the actual sample data.
var assignedCount = BitConverter.ToInt32(bytes, offset); offset += 4;
var mappingOffset = offset;
offset += assignedCount * 4;
var sampleCount = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleMap = new DPCMSample[sampleCount];
for (int i = 0; i < sampleCount; i++)
{
var sampleIdx = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleNameLen = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleName = Encoding.ASCII.GetString(bytes, offset, sampleNameLen); offset += sampleNameLen;
var sampleSize = BitConverter.ToInt32(bytes, offset); offset += 4;
var sampleData = new byte[sampleSize];
Array.Copy(bytes, offset, sampleData, 0, sampleSize); offset += sampleSize;
sampleMap[sampleIdx] = project.CreateDPCMSample(sampleName, sampleData);
}
for (int i = 0; i < assignedCount; i++)
{
byte idx = bytes[mappingOffset++];
byte sample = bytes[mappingOffset++];
byte pitch = bytes[mappingOffset++];
byte delta = bytes[mappingOffset++];
if (project.NoteSupportsDPCM(idx + 1))
{
project.MapDPCMSample(idx + 1, sampleMap[sample - 1], pitch);
}
}
}
project.SortInstruments();
return(instrument);
}