private bool ReadPatterns(int idx)
{
var maxIdx = idx + blockSize;
while (idx < maxIdx)
{
var songIdx = BitConverter.ToInt32(bytes, idx); idx += sizeof(int);
var chanIdx = BitConverter.ToInt32(bytes, idx); idx += sizeof(int);
var patIdx = BitConverter.ToInt32(bytes, idx); idx += sizeof(int);
var items = BitConverter.ToInt32(bytes, idx); idx += sizeof(int);
var song = project.Songs[songIdx];
var channel = song.Channels[chanIdx];
var pattern = channel.GetPattern($"{patIdx:X2}");
// Famitracker can have patterns that arent actually used in the song.
// Skip with a dummy pattern.
if (pattern == null)
{
pattern = new Pattern();
}
var fxCount = songEffectColumnCount[song][chanIdx];
var fxData = new RowFxData[song.PatternLength, fxCount + 1];
patternFxData[pattern] = fxData;
for (int i = 0; i < items; i++)
{
var n = BitConverter.ToInt32(bytes, idx); idx += sizeof(int);
var note = bytes[idx++];
var octave = bytes[idx++];
var instrument = bytes[idx++];
var volume = bytes[idx++];
// This happens when some patterns are longer than the song pattern length.
// The TNMT song from FamiTracker has this.
if (n < song.PatternLength)
{
if (volume != 16)
{
pattern.GetOrCreateNoteAt(n).Volume = (byte)(volume & 0x0f);
}
if (blockVersion < 5 && project.ExpansionAudio == Project.ExpansionFds && channel.Type == Channel.FdsWave && octave < 6 && octave != 0)
{
octave += 2;
}
if (note != 0 && octave != 0)
{
switch (note)
{
case 13: pattern.GetOrCreateNoteAt(n).Value = Note.NoteRelease; break;
case 14: pattern.GetOrCreateNoteAt(n).Value = Note.NoteStop; break;
default:
if (instrument < MaxInstruments && channel.Type != Channel.Dpcm)
{
pattern.GetOrCreateNoteAt(n).Instrument = instruments[instrument];
}
if (channel.Type == Channel.Noise)
{
pattern.GetOrCreateNoteAt(n).Value = (byte)(octave * 12 + note + 15);
}
else
{
pattern.GetOrCreateNoteAt(n).Value = (byte)(octave * 12 + note);
}
break;
}
}
}
for (int j = 0; j < fxCount + 1; ++j)
{
RowFxData fx;
fx.fx = bytes[idx++];
fx.param = bytes[idx++];
// See comment above.
if (n < song.PatternLength)
{
fxData[n, j] = fx;
}
ApplySimpleEffects(fx, pattern, n, patternLengths);
}
}
}
return(true);
}
public void Serialize(ref Pattern pattern, Channel channel)
{
int patternId = pattern == null ? -1 : pattern.Id;
Serialize(ref patternId);
}
private int OutputSong(Song song, int songIdx, int speedChannel, int factor, bool test)
{
var packedPatternBuffers = new List <List <string> >(globalPacketPatternBuffers);
var size = 0;
var emptyPattern = new Pattern(-1, song, 0, "");
var emptyNote = new Note(Note.NoteInvalid);
for (int c = 0; c < song.Channels.Length; c++)
{
if (!test)
{
lines.Add($"\n{ll}song{songIdx}ch{c}:");
}
var channel = song.Channels[c];
var currentSpeed = song.FamitrackerSpeed;
var isSpeedChannel = c == speedChannel;
var instrument = (Instrument)null;
var previousNoteLength = song.NoteLength;
if (isSpeedChannel && project.UsesFamiTrackerTempo)
{
if (!test)
{
lines.Add($"\t{db} $fb, ${song.FamitrackerSpeed:x2}");
}
size += 2;
}
for (int p = 0; p < song.Length; p++)
{
var prevNoteValue = Note.NoteInvalid;
var pattern = channel.PatternInstances[p] == null ? emptyPattern : channel.PatternInstances[p];
var patternBuffer = new List <string>();
if (p == song.LoopPoint)
{
if (!test)
{
lines.Add($"{ll}song{songIdx}ch{c}loop:");
}
// Clear stored instrument to force a reset. We might be looping
// to a section where the instrument was set from a previous pattern.
instrument = null;
}
if (isSpeedChannel && project.UsesFamiStudioTempo)
{
var noteLength = song.GetPatternNoteLength(p);
if (noteLength != previousNoteLength || (p == song.LoopPoint && p != 0))
{
if (!test)
{
patternBuffer.Add($"$fb");
patternBuffer.Add($"{lo}({ll}tempo_env{noteLength})");
patternBuffer.Add($"{hi}({ll}tempo_env{noteLength})");
previousNoteLength = noteLength;
}
size += 3;
}
}
var patternLength = song.GetPatternLength(p);
var numValidNotes = patternLength;
for (var it = pattern.GetNoteIterator(0, patternLength); !it.Done;)
{
var time = it.CurrentTime;
var note = it.CurrentNote;
if (note == null)
{
note = emptyNote;
}
if (isSpeedChannel && song.UsesFamiTrackerTempo)
{
var speed = FindEffectParam(song, p, time, Note.EffectSpeed);
if (speed >= 0)
{
currentSpeed = speed;
patternBuffer.Add($"${0xfb:x2}");
patternBuffer.Add($"${(byte)speed:x2}");
}
}
it.Next();
if (note.HasVolume)
{
patternBuffer.Add($"${(byte)(0x70 | note.Volume):x2}");
}
if (note.HasFinePitch)
{
patternBuffer.Add($"${0x65:x2}");
patternBuffer.Add($"${note.FinePitch:x2}");
}
if (note.HasVibrato)
{
patternBuffer.Add($"${0x63:x2}");
patternBuffer.Add($"{lo}({vibratoEnvelopeNames[note.RawVibrato]})");
patternBuffer.Add($"{hi}({vibratoEnvelopeNames[note.RawVibrato]})");
if (note.RawVibrato == 0)
{
patternBuffer.Add($"${0x64:x2}");
}
}
if (note.HasFdsModSpeed)
{
patternBuffer.Add($"${0x66:x2}");
patternBuffer.Add($"${(note.FdsModSpeed >> 0) & 0xff:x2}");
patternBuffer.Add($"${(note.FdsModSpeed >> 8) & 0xff:x2}");
}
if (note.HasFdsModDepth)
{
patternBuffer.Add($"${0x67:x2}");
patternBuffer.Add($"${note.FdsModDepth:x2}");
}
if (note.IsValid)
{
// Instrument change.
if (note.IsMusical)
{
if (note.Instrument != instrument)
{
int idx = instrumentIndices[note.Instrument];
patternBuffer.Add($"${(byte)(0x80 | (idx << 1)):x2}");
instrument = note.Instrument;
}
else if (!note.HasAttack)
{
// TODO: Remove note entirely after a slide that matches the next note with no attack.
patternBuffer.Add($"${0x62:x2}");
}
}
int numNotes = 0;
if (kernel != FamiToneKernel.FamiStudio)
{
// Note -> Empty -> Note special encoding.
if (time < patternLength - 2)
{
pattern.Notes.TryGetValue(time + 1, out var nextNote1);
pattern.Notes.TryGetValue(time + 2, out var nextNote2);
var valid1 = (nextNote1 != null && nextNote1.IsValid) || (isSpeedChannel && FindEffectParam(song, p, time + 1, Note.EffectSpeed) >= 0);
var valid2 = (nextNote2 != null && nextNote2.IsValid) || (isSpeedChannel && FindEffectParam(song, p, time + 2, Note.EffectSpeed) >= 0);
if (!valid1 && valid2)
{
it.Next();
numValidNotes--;
numNotes = 1;
}
}
}
if (note.IsSlideNote)
{
var noteTableNtsc = NesApu.GetNoteTableForChannelType(channel.Type, false, song.Project.ExpansionNumChannels);
var noteTablePal = NesApu.GetNoteTableForChannelType(channel.Type, true, song.Project.ExpansionNumChannels);
var found = true;
found &= channel.ComputeSlideNoteParams(note, p, time, currentSpeed, Song.NativeTempoNTSC, noteTableNtsc, out _, out int stepSizeNtsc, out _);
found &= channel.ComputeSlideNoteParams(note, p, time, currentSpeed, Song.NativeTempoNTSC, noteTablePal, out _, out int stepSizePal, out _);
if (song.Project.UsesExpansionAudio || machine == MachineType.NTSC)
{
stepSizePal = stepSizeNtsc;
}
else if (machine == MachineType.PAL)
{
stepSizeNtsc = stepSizePal;
}
if (found)
{
// Take the (signed) maximum of both notes so that we are garantee to reach our note.
var stepSize = Math.Max(Math.Abs(stepSizeNtsc), Math.Abs(stepSizePal)) * Math.Sign(stepSizeNtsc);
patternBuffer.Add($"${0x61:x2}");
patternBuffer.Add($"${(byte)stepSize:x2}");
patternBuffer.Add($"${EncodeNoteValue(c, note.Value):x2}");
patternBuffer.Add($"${EncodeNoteValue(c, note.SlideNoteTarget):x2}");
continue;
}
}
patternBuffer.Add($"${EncodeNoteValue(c, note.Value, numNotes):x2}");
prevNoteValue = note.Value;
}
else
{
int numEmptyNotes = 0;
while (!it.Done)
{
time = it.CurrentTime;
note = it.CurrentNote;
if (note == null)
{
note = emptyNote;
}
if (numEmptyNotes >= maxRepeatCount ||
note.IsValid ||
note.HasVolume ||
note.HasVibrato ||
note.HasFinePitch ||
note.HasFdsModSpeed ||
note.HasFdsModDepth ||
(isSpeedChannel && FindEffectParam(song, p, time, Note.EffectSpeed) >= 0))
{
break;
}
numEmptyNotes++;
it.Next();
}
numValidNotes -= numEmptyNotes;
patternBuffer.Add($"${(byte)(0x81 | (numEmptyNotes << 1)):x2}");
}
}
int matchingPatternIdx = -1;
if (patternBuffer.Count > 0)
{
if (patternBuffer.Count > 4)
{
for (int j = 0; j < packedPatternBuffers.Count; j++)
{
if (packedPatternBuffers[j].SequenceEqual(patternBuffer))
{
matchingPatternIdx = j;
break;
}
}
}
if (matchingPatternIdx < 0)
{
if (packedPatternBuffers.Count > MaxPackedPatterns)
{
return(-1); // TODO: Error.
}
packedPatternBuffers.Add(patternBuffer);
size += patternBuffer.Count;
if (!test)
{
lines.Add($"{ll}ref{packedPatternBuffers.Count - 1}:");
lines.Add($"\t{db} {String.Join(",", patternBuffer)}");
}
}
else
{
if (!test)
{
lines.Add($"\t{db} $ff,${numValidNotes:x2}");
lines.Add($"\t{dw} {ll}ref{matchingPatternIdx}");
}
size += 4;
}
}
}
if (!test)
{
lines.Add($"\t{db} $fd");
lines.Add($"\t{dw} {ll}song{songIdx}ch{c}loop");
}
size += 3;
}
if (!test)
{
globalPacketPatternBuffers = packedPatternBuffers;
}
return(size);
}
private int OutputSong(Song song, int songIdx, int speedChannel, int factor, bool test)
{
var packedPatternBuffers = new List <List <string> >(globalPacketPatternBuffers);
var size = 0;
var loopPoint = Math.Max(0, FindEffectParam(song, Note.EffectJump)) * factor;
var emptyPattern = new Pattern(-1, song, 0, "");
for (int c = 0; c < song.Channels.Length; c++)
{
if (!test)
{
lines.Add($"\n{ll}song{songIdx}ch{c}:");
}
var channel = song.Channels[c];
var isSpeedChannel = c == speedChannel;
var instrument = (Instrument)null;
if (isSpeedChannel)
{
if (!test)
{
lines.Add($"\t{db} $fb, ${song.Speed:x2}");
}
size += 2;
}
var isSkipping = false;
for (int p = 0; p < song.Length; p++)
{
var prevNoteValue = Note.NoteInvalid;
var pattern = channel.PatternInstances[p] == null ? emptyPattern : channel.PatternInstances[p];
var patternBuffer = new List <string>();
// If we had split the song and we find a skip to the next
// pattern, we need to ignore the extra patterns we generated.
if (isSkipping && (p % factor) != 0)
{
continue;
}
if (!test && p == loopPoint)
{
lines.Add($"{ll}song{songIdx}ch{c}loop:");
}
var i = 0;
var patternLength = FindEffectPosition(song, p, Note.EffectSkip);
var jumpFound = false;
if (patternLength >= 0)
{
patternLength++;
isSkipping = true;
}
else
{
isSkipping = false;
patternLength = FindEffectPosition(song, p, Note.EffectJump);
if (patternLength >= 0)
{
patternLength++;
jumpFound = true;
}
else
{
patternLength = song.PatternLength;
}
}
var numValidNotes = patternLength;
while (i < patternLength)
{
var note = pattern.Notes[i];
if (isSpeedChannel)
{
var speed = FindEffectParam(song, p, i, Note.EffectSpeed);
if (speed >= 0)
{
patternBuffer.Add($"${0xfb:x2}");
patternBuffer.Add($"${(byte)speed:x2}");
}
}
i++;
if (note.HasVolume)
{
patternBuffer.Add($"${(byte)(0x70 | note.Volume):x2}");
}
if (note.HasVibrato)
{
patternBuffer.Add($"${0x63:x2}");
patternBuffer.Add($"{lo}({vibratoEnvelopeNames[note.Vibrato]})");
patternBuffer.Add($"{hi}({vibratoEnvelopeNames[note.Vibrato]})");
if (note.Vibrato == 0)
{
patternBuffer.Add($"${0x64:x2}");
}
}
if (note.IsValid)
{
// Instrument change.
if (note.IsMusical)
{
if (note.Instrument != instrument)
{
int idx = project.Instruments.IndexOf(note.Instrument);
patternBuffer.Add($"${(byte)(0x80 | (idx << 1)):x2}");
instrument = note.Instrument;
}
else if (!note.HasAttack)
{
// TODO: Remove note entirely after a slide that matches the next note with no attack.
patternBuffer.Add($"${0x62:x2}");
}
}
int numNotes = 0;
if (kernel == FamiToneKernel.FamiTone2)
{
// Note -> Empty -> Note special encoding.
if (i < patternLength - 1)
{
var nextNote1 = pattern.Notes[i + 0];
var nextNote2 = pattern.Notes[i + 1];
var valid1 = nextNote1.IsValid || (isSpeedChannel && FindEffectParam(song, p, i + 0, Note.EffectSpeed) >= 0);
var valid2 = nextNote2.IsValid || (isSpeedChannel && FindEffectParam(song, p, i + 1, Note.EffectSpeed) >= 0);
if (!valid1 && valid2)
{
i++;
numValidNotes--;
numNotes = 1;
}
}
}
if (note.IsSlideNote)
{
var noteTable = NesApu.GetNoteTableForChannelType(channel.Type, false);
if (channel.ComputeSlideNoteParams(p, i - 1, noteTable, out _, out int stepSize, out _))
{
patternBuffer.Add($"${0x61:x2}");
patternBuffer.Add($"${(byte)stepSize:x2}");
patternBuffer.Add($"${EncodeNoteValue(c, note.Value):x2}");
patternBuffer.Add($"${EncodeNoteValue(c, note.SlideNoteTarget):x2}");
continue;
}
}
patternBuffer.Add($"${EncodeNoteValue(c, note.Value, numNotes):x2}");
prevNoteValue = note.Value;
}
else
{
int numEmptyNotes = 0;
while (i < patternLength)
{
var emptyNote = pattern.Notes[i];
if (numEmptyNotes >= maxRepeatCount || emptyNote.IsValid || emptyNote.HasVolume || emptyNote.HasVibrato ||
(isSpeedChannel && FindEffectParam(song, p, i, Note.EffectSpeed) >= 0))
{
break;
}
i++;
numEmptyNotes++;
}
numValidNotes -= numEmptyNotes;
patternBuffer.Add($"${(byte)(0x81 | (numEmptyNotes << 1)):x2}");
}
}
int matchingPatternIdx = -1;
if (patternBuffer.Count > 0)
{
if (patternBuffer.Count > 4)
{
for (int j = 0; j < packedPatternBuffers.Count; j++)
{
if (packedPatternBuffers[j].SequenceEqual(patternBuffer))
{
matchingPatternIdx = j;
break;
}
}
}
if (matchingPatternIdx < 0)
{
if (packedPatternBuffers.Count > MaxPackedPatterns)
{
return(-1); // TODO: Error.
}
packedPatternBuffers.Add(patternBuffer);
size += patternBuffer.Count;
if (!test)
{
lines.Add($"{ll}ref{packedPatternBuffers.Count - 1}:");
lines.Add($"\t{db} {String.Join(",", patternBuffer)}");
}
}
else
{
if (!test)
{
lines.Add($"\t{db} $ff,${numValidNotes:x2}");
lines.Add($"\t{dw} {ll}ref{matchingPatternIdx}");
}
size += 4;
}
}
if (jumpFound)
{
break;
}
}
if (!test)
{
lines.Add($"\t{db} $fd");
lines.Add($"\t{dw} {ll}song{songIdx}ch{c}loop");
}
size += 3;
}
if (!test)
{
globalPacketPatternBuffers = packedPatternBuffers;
}
return(size);
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (captureOperation != CaptureOperation.None)
{
if (captureOperation == CaptureOperation.ClickPattern)
{
if (GetPatternForCoord(e.X, e.Y, out int channelIdx, out int patternIdx))
{
minSelectedChannelIdx = channelIdx;
maxSelectedChannelIdx = channelIdx;
minSelectedPatternIdx = patternIdx;
maxSelectedPatternIdx = patternIdx;
ConditionalInvalidate();
}
else
{
ClearSelection();
}
}
else if (captureOperation == CaptureOperation.DragSelection)
{
bool copy = ModifierKeys.HasFlag(Keys.Control);
int centerX = e.X - selectionDragAnchorX + PatternSizeX / 2;
int basePatternIdx = (centerX - trackNameSizeX + scrollX) / PatternSizeX;
Pattern[,] tmpPatterns = new Pattern[maxSelectedChannelIdx - minSelectedChannelIdx + 1, maxSelectedPatternIdx - minSelectedPatternIdx + 1];
App.UndoRedoManager.BeginTransaction(TransactionScope.Song, Song.Id);
for (int i = minSelectedChannelIdx; i <= maxSelectedChannelIdx; i++)
{
for (int j = minSelectedPatternIdx; j <= maxSelectedPatternIdx; j++)
{
tmpPatterns[i - minSelectedChannelIdx, j - minSelectedPatternIdx] = Song.Channels[i].PatternInstances[j];
if (!copy)
{
Song.Channels[i].PatternInstances[j] = null;
}
}
}
for (int i = minSelectedChannelIdx; i <= maxSelectedChannelIdx; i++)
{
for (int j = minSelectedPatternIdx; j <= maxSelectedPatternIdx; j++)
{
Song.Channels[i].PatternInstances[j + basePatternIdx - minSelectedPatternIdx] = tmpPatterns[i - minSelectedChannelIdx, j - minSelectedPatternIdx];
}
}
App.UndoRedoManager.EndTransaction();
ClearSelection();
ConditionalInvalidate();
}
Capture = false;
captureOperation = CaptureOperation.None;
}
private unsafe RenderBitmap GetPatternBitmapFromCache(RenderGraphics g, Pattern p)
{
int patternSizeX = Song.PatternLength - 1;
int patternSizeY = trackSizeY - patternHeaderSizeY - 1;
RenderBitmap bmp;
if (patternBitmapCache.TryGetValue(p.Id, out bmp))
{
if (bmp.Size.Width == patternSizeX)
{
return(bmp);
}
else
{
patternBitmapCache.Remove(p.Id);
bmp.Dispose();
bmp = null;
}
}
uint[] data = new uint[patternSizeX * patternSizeY];
Note minNote;
Note maxNote;
if (p.GetMinMaxNote(out minNote, out maxNote))
{
if (maxNote.Value == minNote.Value)
{
minNote.Value = (byte)(minNote.Value - 5);
maxNote.Value = (byte)(maxNote.Value + 5);
}
else
{
minNote.Value = (byte)(minNote.Value - 2);
maxNote.Value = (byte)(maxNote.Value + 2);
}
Note lastValid = new Note {
Value = Note.NoteInvalid
};
for (int i = 0; i < Song.PatternLength - 1; i++) // TODO: We always skip the last note.
{
var n = p.Notes[i];
if (n.IsValid && !n.IsStop)
{
lastValid = p.Notes[i];
}
if (lastValid.IsValid)
{
float scaleY = (patternSizeY - noteSizeY) / (float)patternSizeY;
int x = i;
int y = Math.Min((int)Math.Round((lastValid.Value - minNote.Value) / (float)(maxNote.Value - minNote.Value) * scaleY * patternSizeY), patternSizeY - noteSizeY);
var instrument = lastValid.Instrument;
var color = instrument == null ? ThemeBase.LightGreyFillColor1 : instrument.Color;
for (int j = 0; j < noteSizeY; j++)
{
data[(patternSizeY - 1 - (y + j)) * patternSizeX + x] = (uint)color.ToArgb();
}
}
//if (n.HasEffect)
//{
// for (int y = 0; y < patternSizeY; y++)
// {
// data[y * patternSizeX + i] = 0xff000000;
// }
//}
}
}
bmp = g.CreateBitmap(patternSizeX, patternSizeY, data);
patternBitmapCache[p.Id] = bmp;
return(bmp);
}
public void NotifyPatternChange(Pattern pattern)
{
patternBitmapCache.Remove(pattern.Id);
}