public bool Save(Project project, int[] songIds, AssemblyFormat format, MachineType mode, string filename)
{
SetupFormat(format);
var modeStrings = new List <string>();
if (mode == MachineType.NTSC || mode == MachineType.Dual)
{
modeStrings.Add("ntsc");
}
if (mode == MachineType.PAL || mode == MachineType.Dual)
{
modeStrings.Add("pal");
}
var lines = new List <string>();
lines.Add($";this file for FamiTone2 libary generated by FamiStudio\n");
lines.Add($"sounds:");
lines.Add($"\t{dw} {ll}{modeStrings[0]}");
lines.Add($"\t{dw} {ll}{modeStrings[1 % modeStrings.Count]}");
foreach (var str in modeStrings)
{
lines.Add($"{ll}{str}:");
foreach (var songId in songIds)
{
var song = project.GetSong(songId);
lines.Add($"\t{dw} {ll}sfx_{str}_{Utils.MakeNiceAsmName(song.Name)}");
}
lines.Add("");
}
foreach (var str in modeStrings)
{
foreach (var songId in songIds)
{
var song = project.GetSong(songId);
var regPlayer = new RegisterPlayer();
var writes = regPlayer.GetRegisterValues(song, str == "pal");
var lastChangeFrame = 0;
var lastZeroVolumeIdx = -1;
var volumeAllZero = true;
var volume = new int[4];
var regs = new int[32];
var effect = new List <byte>();
for (int i = 0; i < regs.Length; i++)
{
regs[i] = -1;
}
regs[0x00] = 0x30;
regs[0x04] = 0x30;
regs[0x08] = 0x00;
regs[0x0c] = 0x30;
foreach (var reg in writes)
{
if (reg.Register == NesApu.APU_PL1_VOL ||
reg.Register == NesApu.APU_PL1_LO ||
reg.Register == NesApu.APU_PL1_HI ||
reg.Register == NesApu.APU_PL2_VOL ||
reg.Register == NesApu.APU_PL2_LO ||
reg.Register == NesApu.APU_PL2_HI ||
reg.Register == NesApu.APU_TRI_LINEAR ||
reg.Register == NesApu.APU_TRI_LO ||
reg.Register == NesApu.APU_TRI_HI ||
reg.Register == NesApu.APU_NOISE_VOL ||
reg.Register == NesApu.APU_NOISE_LO)
{
if (regs[reg.Register - 0x4000] != reg.Value)
{
if (reg.FrameNumber != lastChangeFrame)
{
int numEmptyFrames = reg.FrameNumber - lastChangeFrame;
while (numEmptyFrames >= 0)
{
effect.Add((byte)(Math.Min(numEmptyFrames, 127)));
numEmptyFrames -= 127;
}
}
switch (reg.Register)
{
case 0x4000: volume[0] = reg.Value & 0x0f; break;
case 0x4004: volume[1] = reg.Value & 0x0f; break;
case 0x4008: volume[2] = reg.Value & 0x7f; break;
case 0x400c: volume[3] = reg.Value & 0x0f; break;
}
if (!volumeAllZero)
{
if (volume[0] == 0 && volume[1] == 0 && volume[2] == 0 && volume[3] == 0)
{
volumeAllZero = true;
lastZeroVolumeIdx = effect.Count();
}
}
else
{
if (volume[0] != 0 || volume[1] != 0 || volume[2] != 0 || volume[3] != 0)
{
volumeAllZero = false;
}
}
effect.Add(RegisterMap[reg.Register - 0x4000]);
effect.Add((byte)reg.Value);
regs[reg.Register - 0x4000] = reg.Value;
lastChangeFrame = reg.FrameNumber;
}
}
}
if (!volumeAllZero)
{
int numEmptyFrames = writes[writes.Length - 1].FrameNumber - lastChangeFrame;
while (numEmptyFrames > 0)
{
effect.Add((byte)(Math.Min(numEmptyFrames, 127)));
numEmptyFrames -= 127;
}
}
else
{
effect.RemoveRange(lastZeroVolumeIdx, effect.Count - lastZeroVolumeIdx);
}
// TODO: Error management!
if (effect.Count > 255)
{
effect.RemoveRange(lastZeroVolumeIdx, effect.Count - 255);
}
effect.Add(0);
lines.Add($"{ll}sfx_{str}_{Utils.MakeNiceAsmName(song.Name)}:");
for (int i = 0; i < (effect.Count + 15) / 16; i++)
{
lines.Add($"\t{db} {string.Join(",", effect.Skip(i * 16).Take(Math.Min(16, effect.Count - i * 16)).Select(x => $"${x:x2}"))}");
}
}
}
File.WriteAllLines(filename, lines.ToArray());
return(true);
}
