public unsafe bool Save(Project originalProject, int songId, int loopCount, string ffmpegExecutable, string filename, int resX, int resY, bool halfFrameRate, int channelMask, int audioBitRate, int videoBitRate, int pianoRollZoom)
{
if (channelMask == 0 || loopCount < 1)
{
return(false);
}
Log.LogMessage(LogSeverity.Info, "Detecting FFmpeg...");
if (!DetectFFmpeg(ffmpegExecutable))
{
return(false);
}
videoResX = resX;
videoResY = resY;
var project = originalProject.DeepClone();
var song = project.GetSong(songId);
ExtendSongForLooping(song, loopCount);
Log.LogMessage(LogSeverity.Info, "Initializing channels...");
var frameRateNumerator = song.Project.PalMode ? 5000773 : 6009883;
if (halfFrameRate)
{
frameRateNumerator /= 2;
}
var frameRate = frameRateNumerator.ToString() + "/100000";
var numChannels = Utils.NumberOfSetBits(channelMask);
var channelResXFloat = videoResX / (float)numChannels;
var channelResX = videoResY;
var channelResY = (int)channelResXFloat;
var longestChannelName = 0.0f;
var channelGraphics = new RenderGraphics(channelResX, channelResY);
var videoGraphics = new RenderGraphics(videoResX, videoResY);
var theme = RenderTheme.CreateResourcesForGraphics(videoGraphics);
var bmpWatermark = videoGraphics.CreateBitmapFromResource("VideoWatermark");
// Generate WAV data for each individual channel for the oscilloscope.
var channelStates = new List <VideoChannelState>();
List <short[]> channelsWavData = new List <short[]>();
var maxAbsSample = 0;
for (int i = 0, channelIndex = 0; i < song.Channels.Length; i++)
{
if ((channelMask & (1 << i)) == 0)
{
continue;
}
var pattern = song.Channels[i].PatternInstances[0];
var state = new VideoChannelState();
state.videoChannelIndex = channelIndex;
state.songChannelIndex = i;
state.channel = song.Channels[i];
state.patternIndex = 0;
state.channelText = state.channel.Name + (state.channel.IsExpansionChannel ? $" ({song.Project.ExpansionAudioShortName})" : "");
state.wav = new WavPlayer(SampleRate, 1, 1 << i).GetSongSamples(song, song.Project.PalMode, -1);
channelStates.Add(state);
channelIndex++;
// Find maximum absolute value to rescale the waveform.
foreach (short s in state.wav)
{
maxAbsSample = Math.Max(maxAbsSample, Math.Abs(s));
}
// Measure the longest text.
longestChannelName = Math.Max(longestChannelName, channelGraphics.MeasureString(state.channelText, ThemeBase.FontBigUnscaled));
}
// Tweak some cosmetic stuff that depends on resolution.
var smallChannelText = longestChannelName + 32 + ChannelIconTextSpacing > channelResY * 0.8f;
var bmpSuffix = smallChannelText ? "" : "@2x";
var font = smallChannelText ? ThemeBase.FontMediumUnscaled : ThemeBase.FontBigUnscaled;
var textOffsetY = smallChannelText ? 1 : 4;
var pianoRollScaleX = Math.Max(0.6f, resY / 1080.0f);
var pianoRollScaleY = channelResY < VeryThinNoteThreshold ? 0.5f : (channelResY < ThinNoteThreshold ? 0.667f : 1.0f);
var channelLineWidth = channelResY < ThinNoteThreshold ? 3 : 5;
foreach (var s in channelStates)
{
s.bmp = videoGraphics.CreateBitmapFromResource(ChannelType.Icons[s.channel.Type] + bmpSuffix);
}
// Generate the metadata for the video so we know what's happening at every frame
var metadata = new VideoMetadataPlayer(SampleRate, 1).GetVideoMetadata(song, song.Project.PalMode, -1);
var oscScale = maxAbsSample != 0 ? short.MaxValue / (float)maxAbsSample : 1.0f;
var oscLookback = (metadata[1].wavOffset - metadata[0].wavOffset) / 2;
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
var dummyControl = new DummyGLControl();
dummyControl.Move(0, 0, videoResX, videoResY);
#endif
// Setup piano roll and images.
var pianoRoll = new PianoRoll();
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
pianoRoll.Move(0, 0, channelResX, channelResY);
#else
pianoRoll.Width = channelResX;
pianoRoll.Height = channelResY;
#endif
pianoRoll.StartVideoRecording(channelGraphics, song, pianoRollZoom, pianoRollScaleX, pianoRollScaleY, out var noteSizeY);
// Build the scrolling data.
var numVisibleNotes = (int)Math.Floor(channelResY / (float)noteSizeY);
ComputeChannelsScroll(metadata, channelMask, numVisibleNotes);
if (song.UsesFamiTrackerTempo)
{
SmoothFamiTrackerTempo(metadata);
}
var videoImage = new byte[videoResY * videoResX * 4];
var channelImage = new byte[channelResY * channelResX * 4];
var oscilloscope = new float[channelResY, 2];
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
var badAlpha = DetectBadOpenGLAlpha(dummyControl, videoGraphics, videoImage);
#endif
// Start ffmpeg with pipe input.
var tempFolder = Utils.GetTemporaryDiretory();
var tempVideoFile = Path.Combine(tempFolder, "temp.h264");
var tempAudioFile = Path.Combine(tempFolder, "temp.wav");
try
{
Log.LogMessage(LogSeverity.Info, "Exporting audio...");
// Save audio to temporary file.
WaveFile.Save(song, tempAudioFile, SampleRate, 1, -1, channelMask);
var process = LaunchFFmpeg(ffmpegExecutable, $"-y -f rawvideo -pix_fmt argb -s {videoResX}x{videoResY} -r {frameRate} -i - -i \"{tempAudioFile}\" -c:v h264 -pix_fmt yuv420p -b:v {videoBitRate}K -c:a aac -b:a {audioBitRate}k \"{filename}\"", true, false);
// Generate each of the video frames.
using (var stream = new BinaryWriter(process.StandardInput.BaseStream))
{
for (int f = 0; f < metadata.Length; f++)
{
if (Log.ShouldAbortOperation)
{
break;
}
if ((f % 100) == 0)
{
Log.LogMessage(LogSeverity.Info, $"Rendering frame {f} / {metadata.Length}");
}
Log.ReportProgress(f / (float)(metadata.Length - 1));
if (halfFrameRate && (f & 1) != 0)
{
continue;
}
var frame = metadata[f];
// Render the full screen overlay.
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
videoGraphics.BeginDraw(dummyControl, videoResY);
#else
videoGraphics.BeginDraw();
#endif
videoGraphics.Clear(Color.FromArgb(0, 0, 0, 0));
foreach (var s in channelStates)
{
int channelPosX0 = (int)Math.Round((s.videoChannelIndex + 0) * channelResXFloat);
int channelPosX1 = (int)Math.Round((s.videoChannelIndex + 1) * channelResXFloat);
var channelNameSizeX = videoGraphics.MeasureString(s.channelText, font);
var channelIconPosX = channelPosX0 + channelResY / 2 - (channelNameSizeX + s.bmp.Size.Width + ChannelIconTextSpacing) / 2;
videoGraphics.FillRectangle(channelIconPosX, ChannelIconPosY, channelIconPosX + s.bmp.Size.Width, ChannelIconPosY + s.bmp.Size.Height, theme.DarkGreyLineBrush2);
videoGraphics.DrawBitmap(s.bmp, channelIconPosX, ChannelIconPosY);
videoGraphics.DrawText(s.channelText, font, channelIconPosX + s.bmp.Size.Width + ChannelIconTextSpacing, ChannelIconPosY + textOffsetY, theme.LightGreyFillBrush1);
if (s.videoChannelIndex > 0)
{
videoGraphics.DrawLine(channelPosX0, 0, channelPosX0, videoResY, theme.BlackBrush, channelLineWidth);
}
var oscMinY = (int)(ChannelIconPosY + s.bmp.Size.Height + 10);
var oscMaxY = (int)(oscMinY + 100.0f * (resY / 1080.0f));
GenerateOscilloscope(s.wav, frame.wavOffset, (int)Math.Round(SampleRate * OscilloscopeWindowSize), oscLookback, oscScale, channelPosX0 + 10, oscMinY, channelPosX1 - 10, oscMaxY, oscilloscope);
videoGraphics.AntiAliasing = true;
videoGraphics.DrawLine(oscilloscope, theme.LightGreyFillBrush1);
videoGraphics.AntiAliasing = false;
}
videoGraphics.DrawBitmap(bmpWatermark, videoResX - bmpWatermark.Size.Width, videoResY - bmpWatermark.Size.Height);
videoGraphics.EndDraw();
videoGraphics.GetBitmap(videoImage);
// Render the piano rolls for each channels.
foreach (var s in channelStates)
{
s.volume = frame.channelVolumes[s.songChannelIndex];
s.note = frame.channelNotes[s.songChannelIndex];
var color = Color.Transparent;
if (s.note.IsMusical)
{
if (s.channel.Type == ChannelType.Dpcm)
{
var mapping = project.GetDPCMMapping(s.note.Value);
if (mapping != null && mapping.Sample != null)
{
color = mapping.Sample.Color;
}
}
else
{
color = Color.FromArgb(128 + s.volume * 127 / 15, s.note.Instrument != null ? s.note.Instrument.Color : ThemeBase.DarkGreyFillColor2);
}
}
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
channelGraphics.BeginDraw(pianoRoll, channelResY);
#else
channelGraphics.BeginDraw();
#endif
pianoRoll.RenderVideoFrame(channelGraphics, Channel.ChannelTypeToIndex(s.channel.Type), frame.playPattern, frame.playNote, frame.scroll[s.songChannelIndex], s.note.Value, color);
channelGraphics.EndDraw();
channelGraphics.GetBitmap(channelImage);
// Composite the channel image with the full screen video overlay on the CPU.
int channelPosX = (int)Math.Round(s.videoChannelIndex * channelResXFloat);
int channelPosY = 0;
for (int y = 0; y < channelResY; y++)
{
for (int x = 0; x < channelResX; x++)
{
int videoIdx = (channelPosY + x) * videoResX * 4 + (channelPosX + y) * 4;
int channelIdx = (channelResY - y - 1) * channelResX * 4 + (channelResX - x - 1) * 4;
byte videoA = videoImage[videoIdx + 3];
byte gradientA = (byte)(x < 255 ? 255 - x : 0); // Doing the gradient on CPU to look same on GL/D2D.
byte channelR = channelImage[channelIdx + 0];
byte channelG = channelImage[channelIdx + 1];
byte channelB = channelImage[channelIdx + 2];
if (videoA != 0 || gradientA != 0)
{
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
// Fix bad sRGB alpha.
if (badAlpha)
{
videoA = SRGBToLinear[videoA];
}
#endif
videoA = Math.Max(videoA, gradientA);
int videoR = videoImage[videoIdx + 0];
int videoG = videoImage[videoIdx + 1];
int videoB = videoImage[videoIdx + 2];
// Integer alpha blend.
// Note that alpha is pre-multiplied, so we if we multiply again, image will look aliased.
channelR = (byte)((channelR * (255 - videoA) + videoR * 255 /*videoA*/) >> 8);
channelG = (byte)((channelG * (255 - videoA) + videoG * 255 /*videoA*/) >> 8);
channelB = (byte)((channelB * (255 - videoA) + videoB * 255 /*videoA*/) >> 8);
}
// We byteswap here to match what ffmpeg expect.
videoImage[videoIdx + 3] = channelR;
videoImage[videoIdx + 2] = channelG;
videoImage[videoIdx + 1] = channelB;
videoImage[videoIdx + 0] = 255;
// To export images to debug.
//videoImage[videoIdx + 0] = channelR;
//videoImage[videoIdx + 1] = channelG;
//videoImage[videoIdx + 2] = channelB;
//videoImage[videoIdx + 3] = 255;
}
}
var prevChannelEndPosX = (int)Math.Round((s.videoChannelIndex - 1) * channelResXFloat) + channelResY;
// HACK: Since we round the channels positions, we can end up with columns of pixels that arent byteswapped.
if (s.videoChannelIndex > 0 && channelPosX != prevChannelEndPosX)
{
for (int y = 0; y < videoResY; y++)
{
int videoIdx = y * videoResX * 4 + (channelPosX - 1) * 4;
byte videoR = videoImage[videoIdx + 0];
byte videoG = videoImage[videoIdx + 1];
byte videoB = videoImage[videoIdx + 2];
videoImage[videoIdx + 3] = videoR;
videoImage[videoIdx + 2] = videoG;
videoImage[videoIdx + 1] = videoB;
videoImage[videoIdx + 0] = 255;
}
}
}
stream.Write(videoImage);
// Dump debug images.
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
//var pb = new Gdk.Pixbuf(channelImage, true, 8, channelResX, channelResY, channelResX * 4);
//pb.Save($"/home/mat/Downloads/channel.png", "png");
//var pb = new Gdk.Pixbuf(videoImage, true, 8, videoResX, videoResY, videoResX * 4);
//pb.Save($"/home/mat/Downloads/frame_{f:D4}.png", "png");
#else
//fixed (byte* vp = &videoImage[0])
//{
// var b = new System.Drawing.Bitmap(videoResX, videoResY, videoResX * 4, System.Drawing.Imaging.PixelFormat.Format32bppArgb, new IntPtr(vp));
// b.Save($"d:\\dump\\pr\\frame_{f:D4}.png");
//}
#endif
}
}
process.WaitForExit();
process.Dispose();
process = null;
File.Delete(tempAudioFile);
}
catch (Exception e)
{
Log.LogMessage(LogSeverity.Error, "Error exporting video.");
Log.LogMessage(LogSeverity.Error, e.Message);
}
finally
{
pianoRoll.EndVideoRecording();
foreach (var c in channelStates)
{
c.bmp.Dispose();
}
theme.Terminate();
bmpWatermark.Dispose();
channelGraphics.Dispose();
videoGraphics.Dispose();
}
return(true);
}
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 static bool Save(Project originalProject, string filename, int[] songIds)
{
var project = originalProject.Clone();
project.RemoveAllSongsBut(songIds);
ConvertPitchEnvelopes(project);
var envelopes = MergeIdenticalEnvelopes(project);
var lines = new List <string>();
lines.Add("# FamiTracker text export 0.4.2");
lines.Add("");
lines.Add("# Song information");
lines.Add("TITLE \"" + project.Name + "\"");
lines.Add("AUTHOR \"" + project.Author + "\"");
lines.Add("COPYRIGHT \"" + project.Copyright + "\"");
lines.Add("");
lines.Add("# Global settings");
lines.Add("MACHINE 0");
lines.Add("FRAMERATE 0");
lines.Add("EXPANSION 0");
lines.Add("VIBRATO 1");
lines.Add("SPLIT 21");
lines.Add("");
lines.Add("# Macros");
for (int i = 0; i < Envelope.Max; i++)
{
var envArray = envelopes[i];
for (int j = 0; j < envArray.Length; j++)
{
var env = envArray[j];
lines.Add($"MACRO{i,8} {j,4} {env.Loop,4} {env.Release,4} 0 : {string.Join(" ", env.Values.Take(env.Length))}");
}
}
lines.Add($"MACRO{4,8} {0,4} {-1} -1 0 : 0");
lines.Add($"MACRO{4,8} {1,4} {-1} -1 0 : 1");
lines.Add($"MACRO{4,8} {2,4} {-1} -1 0 : 2");
lines.Add($"MACRO{4,8} {3,4} {-1} -1 0 : 3");
lines.Add("");
if (project.UsesSamples)
{
lines.Add("# DPCM samples");
for (int i = 0; i < project.Samples.Count; i++)
{
var sample = project.Samples[i];
lines.Add($"DPCMDEF{i,4}{sample.Data.Length,6} \"{sample.Name}\"");
lines.Add($"DPCM : {String.Join(" ", sample.Data.Select(x => $"{x:X2}"))}");
}
lines.Add("");
}
lines.Add("# Instruments");
for (int i = 0; i < project.Instruments.Count; i++)
{
var instrument = project.Instruments[i];
int volEnvIdx = instrument.Envelopes[Envelope.Volume].Length > 0 ? Array.IndexOf(envelopes[Envelope.Volume], instrument.Envelopes[Envelope.Volume]) : -1;
int arpEnvIdx = instrument.Envelopes[Envelope.Arpeggio].Length > 0 ? Array.IndexOf(envelopes[Envelope.Arpeggio], instrument.Envelopes[Envelope.Arpeggio]) : -1;
int pitEnvIdx = instrument.Envelopes[Envelope.Pitch].Length > 0 ? Array.IndexOf(envelopes[Envelope.Pitch], instrument.Envelopes[Envelope.Pitch]) : -1;
lines.Add($"INST2A03{i,4}{volEnvIdx,6}{arpEnvIdx,4}{pitEnvIdx,4}{-1,4}{instrument.DutyCycle,4} \"{instrument.Name}\"");
}
if (project.UsesSamples)
{
lines.Add($"INST2A03{project.Instruments.Count,4}{-1,6}{-1,4}{-1,4}{-1,4}{-1,4} \"DPCM\"");
for (int i = 0; i < project.SamplesMapping.Length; i++)
{
var mapping = project.SamplesMapping[i];
if (mapping != null && mapping.Sample != null)
{
int note = i + Note.DPCMNoteMin;
var octave = (note - 1) / 12;
var semitone = (note - 1) % 12;
var idx = project.Samples.IndexOf(mapping.Sample);
var loop = mapping.Loop ? 1 : 0;
lines.Add($"KEYDPCM{project.Instruments.Count,4}{octave,4}{semitone,4}{idx,6}{mapping.Pitch,4}{loop,4}{0,6}{-1,4}");
}
}
}
lines.Add("");
lines.Add("# Tracks");
for (int i = 0; i < project.Songs.Count; i++)
{
var song = project.Songs[i];
CreateMissingPatterns(song);
lines.Add($"TRACK{song.PatternLength,4}{song.Speed,4}{song.Tempo,4} \"{song.Name}\"");
lines.Add($"COLUMNS : 1 1 1 1 1");
lines.Add("");
for (int j = 0; j < song.Length; j++)
{
var line = $"ORDER {j:X2} :";
for (int k = 0; k < Channel.Count; k++)
{
line += $" {song.Channels[k].Patterns.IndexOf(song.Channels[k].PatternInstances[j]):X2}";
}
lines.Add(line);
}
lines.Add("");
int maxPatternCount = -1;
foreach (var channel in song.Channels)
{
maxPatternCount = Math.Max(maxPatternCount, channel.Patterns.Count);
}
for (int j = 0; j < maxPatternCount; j++)
{
lines.Add($"PATTERN {j:X2}");
for (int k = 0; k < song.PatternLength; k++)
{
var line = $"ROW {k:X2}";
for (int l = 0; l < Channel.Count; l++)
{
var channel = song.Channels[l];
if (j >= channel.Patterns.Count)
{
line += " : ... .. . ...";
}
else
{
var pattern = channel.Patterns[j];
var note = pattern.Notes[k];
var noteString = GetFamiTrackerNoteName(l, note);
var volumeString = note.HasVolume ? note.Volume.ToString("X") : ".";
var instrumentString = note.IsValid && !note.IsStop ? (note.Instrument == null ? project.Instruments.Count : project.Instruments.IndexOf(note.Instrument)).ToString("X2") : "..";
var effectString = "...";
switch (note.Effect)
{
case Note.EffectJump: effectString = $"B{note.EffectParam:X2}"; break;
case Note.EffectSkip: effectString = $"D{note.EffectParam:X2}"; break;
case Note.EffectSpeed: effectString = $"F{note.EffectParam:X2}"; break;
}
line += $" : {noteString} {instrumentString} {volumeString} {effectString}";
}
}
lines.Add(line);
}
lines.Add("");
}
}
File.WriteAllLines(filename, lines);
return(true);
}
public Project Load(string filename)
{
var idx = 0;
bytes = File.ReadAllBytes(filename);
var id = Encoding.ASCII.GetString(bytes, idx, FileHeaderId.Length); idx += FileHeaderId.Length;
if (id != FileHeaderId)
{
Log.LogMessage(LogSeverity.Error, "Invalid FTM file ID.");
return(null);
}
var version = BitConverter.ToUInt32(bytes, idx); idx += sizeof(uint);
if (version < MinVersion || version > MaxVersion)
{
Log.LogMessage(LogSeverity.Error, "Unsupported file version. Only FTM version 0.4.4 to 0.4.6 are supported.");
return(null);
}
var blockToc = new Dictionary <string, BlockInfo>();
while (bytes[idx + 0] != 'E' ||
bytes[idx + 1] != 'N' ||
bytes[idx + 2] != 'D')
{
var blockId = Encoding.ASCII.GetString(bytes, idx, BlockNameLength).TrimEnd('\0'); idx += BlockNameLength;
var blockVer = BitConverter.ToInt32(bytes, idx); idx += sizeof(uint);
var blockSize = BitConverter.ToInt32(bytes, idx); idx += sizeof(uint);
blockToc[blockId] = new BlockInfo()
{
offset = idx, version = blockVer, size = blockSize
};
idx += blockSize;
}
// We read block in a specific order to minimize the amound of bookeeping we need to do.
var blocksToRead = new Dictionary <string, ReadBlockDelegate>
{
{ "PARAMS", ReadParams },
{ "INFO", ReadInfo },
{ "HEADER", ReadHeader },
{ "DPCM SAMPLES", ReadDpcmSamples },
{ "SEQUENCES", ReadSequences },
{ "SEQUENCES_VRC6", ReadSequencesVrc6 },
{ "SEQUENCES_N163", ReadSequencesN163 },
{ "INSTRUMENTS", ReadInstruments },
{ "FRAMES", ReadFrames },
{ "PATTERNS", ReadPatterns },
};
project = new Project();
project.TempoMode = TempoType.FamiTracker;
foreach (var kv in blocksToRead)
{
var blockName = kv.Key;
var blockFunc = kv.Value;
if (blockToc.TryGetValue(blockName, out var info))
{
blockSize = info.size;
blockVersion = info.version;
if (!blockFunc(info.offset))
{
return(null);
}
}
}
FinishImport();
return(project);
}
