public Project Load(string filename)
{
#if !DEBUG
try
#endif
{
var lines = File.ReadAllLines(filename);
var parameters = new Dictionary <string, string>();
var project = (Project)null;
var instrument = (Instrument)null;
var arpeggio = (Arpeggio)null;
var song = (Song)null;
var channel = (Channel)null;
var pattern = (Pattern)null;
SetInvariantCulture();
foreach (var line in lines)
{
var cmd = SplitLine(line.Trim(), ref parameters);
switch (cmd)
{
case "Project":
{
project = new Project();
parameters.TryGetValue("Version", out var version);
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("TempoMode", out var tempoMode))
{
project.TempoMode = TempoType.GetValueForName(tempoMode);
}
if (parameters.TryGetValue("PAL", out var pal))
{
project.PalMode = bool.Parse(pal);
}
if (parameters.TryGetValue("Expansions", out var expansions))
{
var expansionMask = 0;
var expansionStrings = expansions.Split(',');
foreach (var s in expansionStrings)
{
var exp = ExpansionType.GetValueForShortName(s.Trim());
expansionMask |= ExpansionType.GetMaskFromValue(exp);
}
var numN163Channels = 1;
if ((expansionMask & ExpansionType.N163Mask) != 0 && parameters.TryGetValue("NumN163Channels", out var numN163ChannelsStr))
{
numN163Channels = int.Parse(numN163ChannelsStr);
}
project.SetExpansionAudioMask(expansionMask, numN163Channels);
}
if (!version.StartsWith("3.2"))
{
Log.LogMessage(LogSeverity.Error, "File was created with an incompatible version of FamiStudio. The text format is only compatible with the current version.");
return(null);
}
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);
}
var sample = project.CreateDPCMSampleFromDmcData(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":
{
var instrumentExp = ExpansionType.None;
if (parameters.TryGetValue("Expansion", out var instrumentExpStr))
{
instrumentExp = ExpansionType.GetValueForShortName(instrumentExpStr);
}
instrument = project.CreateInstrument(instrumentExp, parameters["Name"]);
if (instrument.IsFdsInstrument)
{
if (parameters.TryGetValue("FdsWavePreset", out var wavPresetStr))
{
instrument.FdsWavePreset = (byte)WavePresetType.GetValueForName(wavPresetStr);
}
if (parameters.TryGetValue("FdsModPreset", out var modPresetStr))
{
instrument.FdsWavePreset = (byte)WavePresetType.GetValueForName(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.IsN163Instrument)
{
if (parameters.TryGetValue("N163WavePreset", out var wavPresetStr))
{
instrument.N163WavePreset = (byte)WavePresetType.GetValueForName(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.IsVrc6Instrument)
{
if (parameters.TryGetValue("Vrc6SawMasterVolume", out var vrc6SawVolumeStr))
{
instrument.Vrc6SawMasterVolume = (byte)Vrc6SawMasterVolumeType.GetValueForName(vrc6SawVolumeStr);
}
}
else if (instrument.IsVrc7Instrument)
{
if (parameters.TryGetValue("Vrc7Patch", out var vrc7PatchStr))
{
instrument.Vrc7Patch = byte.Parse(vrc7PatchStr);
}
if (instrument.Vrc7Patch == Vrc7InstrumentPatch.Custom)
{
for (int i = 0; i < 8; i++)
{
if (parameters.TryGetValue($"Vrc7Reg{i}", out var regStr))
{
instrument.Vrc7PatchRegs[i] = byte.Parse(regStr);
}
}
}
}
break;
}
case "Arpeggio":
{
arpeggio = project.CreateArpeggio(parameters["Name"]);
arpeggio.Envelope.Length = int.Parse(parameters["Length"]);
if (parameters.TryGetValue("Loop", out var loopStr))
{
arpeggio.Envelope.Loop = int.Parse(loopStr);
}
var values = parameters["Values"].Split(',');
for (int j = 0; j < values.Length; j++)
{
arpeggio.Envelope.Values[j] = sbyte.Parse(values[j]);
}
break;
}
case "Envelope":
{
var env = instrument.Envelopes[EnvelopeType.GetValueForShortName(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.SetBeatLength(int.Parse(parameters["BeatLength"]));
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"]);
var groove = parameters["Groove"].Split('-').Select(Int32.Parse).ToArray();
var groovePaddingMode = GroovePaddingType.GetValueForName(parameters["GroovePaddingMode"]);
if (!FamiStudioTempoUtils.ValidateGroove(groove) || Utils.Min(groove) != noteLength)
{
Log.LogMessage(LogSeverity.Error, "Invalid tempo settings.");
return(null);
}
song.ChangeFamiStudioTempoGroove(groove, false);
song.SetBeatLength(song.BeatLength * noteLength);
song.SetDefaultPatternLength(int.Parse(parameters["PatternLength"]) * noteLength);
song.SetGroovePaddingMode(groovePaddingMode);
}
break;
}
case "PatternCustomSettings":
{
if (project.UsesFamiTrackerTempo)
{
var beatLength = song.BeatLength;
if (parameters.TryGetValue("BeatLength", out var beatLengthStr))
{
beatLength = int.Parse(beatLengthStr);
}
song.SetPatternCustomSettings(int.Parse(parameters["Time"]), int.Parse(parameters["Length"]), beatLength);
}
else
{
var patternLength = int.Parse(parameters["Length"]);
var noteLength = int.Parse(parameters["NoteLength"]);
var beatLength = int.Parse(parameters["BeatLength"]);
var groove = parameters["Groove"].Split('-').Select(Int32.Parse).ToArray();
var groovePaddingMode = GroovePaddingType.GetValueForName(parameters["GroovePaddingMode"]);
if (!FamiStudioTempoUtils.ValidateGroove(groove) || Utils.Min(groove) != noteLength)
{
Log.LogMessage(LogSeverity.Error, "Invalid tempo settings.");
return(null);
}
song.SetPatternCustomSettings(int.Parse(parameters["Time"]), patternLength * noteLength, beatLength * noteLength, groove, groovePaddingMode);
}
break;
}
case "Channel":
{
var channelType = ChannelType.GetValueForShortName(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 (note.IsMusical && parameters.TryGetValue("Duration", out var durationStr))
{
note.Duration = int.Parse(durationStr);
}
else if (note.IsStop)
{
note.Duration = 1;
}
if (note.IsMusical && parameters.TryGetValue("Release", out var releaseStr))
{
note.Release = int.Parse(releaseStr);
}
if (note.IsMusical && parameters.TryGetValue("Instrument", out var instStr) && channel.SupportsInstrument(project.GetInstrument(instStr)))
{
note.Instrument = project.GetInstrument(instStr);
}
if (note.IsMusical && parameters.TryGetValue("Arpeggio", out var arpStr) && channel.SupportsArpeggios)
{
note.Arpeggio = project.GetArpeggio(arpStr);
}
if (note.IsMusical && parameters.TryGetValue("SlideTarget", out var slideStr) && channel.SupportsSlideNotes)
{
note.SlideNoteTarget = (byte)Note.FromFriendlyName(slideStr);
}
if (note.IsMusical && parameters.TryGetValue("Attack", out var attackStr))
{
note.HasAttack = bool.Parse(attackStr);
}
if (parameters.TryGetValue("Volume", out var volumeStr) && channel.SupportsEffect(Note.EffectVolume))
{
note.Volume = byte.Parse(volumeStr);
}
if (parameters.TryGetValue("VolumeSlideTarget", out var volumeSlideStr) && channel.SupportsEffect(Note.EffectVolumeSlide))
{
note.VolumeSlideTarget = byte.Parse(volumeSlideStr);
}
if (parameters.TryGetValue("VibratoSpeed", out var vibSpeedStr) && channel.SupportsEffect(Note.EffectVibratoSpeed))
{
note.VibratoSpeed = byte.Parse(vibSpeedStr);
}
if (parameters.TryGetValue("VibratoDepth", out var vibDepthStr) && channel.SupportsEffect(Note.EffectVibratoDepth))
{
note.VibratoDepth = byte.Parse(vibDepthStr);
}
if (parameters.TryGetValue("Speed", out var speedStr) && channel.SupportsEffect(Note.EffectSpeed))
{
note.Speed = byte.Parse(speedStr);
}
if (parameters.TryGetValue("FinePitch", out var finePitchStr) && channel.SupportsEffect(Note.EffectFinePitch))
{
note.FinePitch = sbyte.Parse(finePitchStr);
}
if (parameters.TryGetValue("FdsModSpeed", out var modSpeedStr) && channel.SupportsEffect(Note.EffectFdsModSpeed))
{
note.FdsModSpeed = ushort.Parse(modSpeedStr);
}
if (parameters.TryGetValue("FdsModDepth", out var modDepthStr) && channel.SupportsEffect(Note.EffectFdsModDepth))
{
note.FdsModDepth = byte.Parse(modDepthStr);
}
if (parameters.TryGetValue("DutyCycle", out var dutyCycleStr) && channel.SupportsEffect(Note.EffectDutyCycle))
{
note.DutyCycle = byte.Parse(dutyCycleStr);
}
if (parameters.TryGetValue("NoteDelay", out var noteDelayStr) && channel.SupportsEffect(Note.EffectNoteDelay))
{
note.NoteDelay = byte.Parse(noteDelayStr);
}
if (parameters.TryGetValue("CutDelay", out var cutDelayStr) && channel.SupportsEffect(Note.EffectCutDelay))
{
note.CutDelay = byte.Parse(cutDelayStr);
}
break;
}
case "PatternInstance":
{
var time = int.Parse(parameters["Time"]);
channel.PatternInstances[time] = channel.GetPattern(parameters["Pattern"]);
break;
}
}
}
project.SortEverything(false);
ResetCulture();
return(project);
}
#if !DEBUG
catch (Exception e)
{
Log.LogMessage(LogSeverity.Error, "Please contact the developer on GitHub!");
Log.LogMessage(LogSeverity.Error, e.Message);
Log.LogMessage(LogSeverity.Error, e.StackTrace);
ResetCulture();
return(null);
}
#endif
}
public Project Load(string filename, int songIndex, int duration, int patternLength, int startFrame, bool removeIntroSilence, bool reverseDpcm, bool preserveDpcmPad)
{
nsf = NsfOpen(filename);
if (nsf == IntPtr.Zero)
{
Log.LogMessage(LogSeverity.Error, "Error opening NSF. File may be corrupted or may be a NSF2 using advanced features such as IRQ which are not supported at the moment.");
return(null);
}
var trackCount = NsfGetTrackCount(nsf);
if (songIndex < 0 || songIndex > trackCount)
{
return(null);
}
preserveDpcmPadding = preserveDpcmPad;
var palSource = (NsfIsPal(nsf) & 1) == 1;
var numFrames = duration * (palSource ? 50 : 60);
project = new Project();
project.Name = Marshal.PtrToStringAnsi(NsfGetTitle(nsf));
project.Author = Marshal.PtrToStringAnsi(NsfGetArtist(nsf));
project.Copyright = Marshal.PtrToStringAnsi(NsfGetCopyright(nsf));
project.PalMode = palSource;
// Our expansion mask is the same as NSF.
var expansionMask = NsfGetExpansion(nsf);
// The 2 upper bits of the mask need to be zero, we dont support these.
if (expansionMask != (expansionMask & ExpansionType.AllMask))
{
Log.LogMessage(LogSeverity.Error, "NSF uses unknown or unsupported expansion chips, aborting.");
NsfClose(nsf);
return(null);
}
var numN163Channels = (expansionMask & ExpansionType.N163Mask) != 0 ? GetNumNamcoChannels(filename, songIndex, numFrames) : 1;
project.SetExpansionAudioMask(expansionMask, numN163Channels);
var songName = Marshal.PtrToStringAnsi(NsfGetTrackName(nsf, songIndex));
song = project.CreateSong(string.IsNullOrEmpty(songName) ? $"Song {songIndex + 1}" : songName);
channelStates = new ChannelState[song.Channels.Length];
NsfSetTrack(nsf, songIndex);
song.ChangeFamiStudioTempoGroove(new[] { 1 }, false);
song.SetDefaultPatternLength(patternLength);
for (int i = 0; i < song.Channels.Length; i++)
{
channelStates[i] = new ChannelState();
}
var foundFirstNote = !removeIntroSilence;
var p = 0;
var n = 0;
var f = startFrame;
for (int i = 0; i < numFrames; i++)
{
p = f / song.PatternLength;
n = f % song.PatternLength;
if (p >= Song.MaxLength - 1)
{
break;
}
var playCalled = 0;
var waitFrameCount = 0;
do
{
playCalled = NsfRunFrame(nsf);
if (++waitFrameCount == 1000)
{
Log.LogMessage(LogSeverity.Error, "NSF did not call PLAY after 1000 frames, aborting.");
NsfClose(nsf);
return(null);
}
}while (playCalled == 0);
for (int c = 0; c < song.Channels.Length; c++)
{
foundFirstNote |= UpdateChannel(p, n, song.Channels[c], channelStates[c]);
}
if (foundFirstNote)
{
f++;
}
else
{
// Reset everything until we find our first note.
project.DeleteAllInstruments();
project.DeleteAllSamples();
for (int c = 0; c < song.Channels.Length; c++)
{
channelStates[c] = new ChannelState();
}
}
}
song.SetLength(p + 1);
NsfClose(nsf);
var factors = Utils.GetFactors(song.PatternLength, FamiStudioTempoUtils.MaxNoteLength);
if (factors.Length > 0)
{
var noteLen = factors[0];
// Look for a factor that generates a note length < 10 and gives a pattern length that is a multiple of 16.
foreach (var factor in factors)
{
if (factor <= 10)
{
noteLen = factor;
if (((song.PatternLength / noteLen) % 16) == 0)
{
break;
}
}
}
song.ChangeFamiStudioTempoGroove(new[] { noteLen }, false);
}
else
{
song.ChangeFamiStudioTempoGroove(new[] { 1 }, false);
}
song.SetSensibleBeatLength();
song.ConvertToCompoundNotes();
song.DeleteEmptyPatterns();
song.UpdatePatternStartNotes();
song.InvalidateCumulativePatternCache();
project.DeleteUnusedInstruments();
foreach (var sample in project.Samples)
{
sample.ReverseBits = reverseDpcm;
}
return(project);
}
