public byte[] Save()
{
byte[] data = new byte [2592 + 32 * 16 * programs.Count];
BitConv.ToInt32(data, 0, Magic);
BitConv.ToInt32(data, 4, isoldversion ? OldVersion : Version);
BitConv.ToInt32(data, 8, 0);
BitConv.ToInt32(data, 12, data.Length + vbsize * 16);
BitConv.ToInt16(data, 16, -0x1112);
int tonecount = 0;
foreach (VHProgram program in programs.Values)
{
tonecount += program.Tones.Count;
}
BitConv.ToInt16(data, 18, (short)programs.Count);
BitConv.ToInt16(data, 20, (short)tonecount);
BitConv.ToInt16(data, 22, (short)waves.Count);
data[24] = volume;
data[25] = panning;
data[26] = attribute1;
data[27] = attribute2;
BitConv.ToInt32(data, 28, -1);
for (int i = 0; i < 128; i++)
{
if (programs.ContainsKey(i))
{
programs[i].Save().CopyTo(data, 32 + 16 * i);
}
else
{
new VHProgram(isoldversion).Save().CopyTo(data, 32 + 16 * i);
}
}
int ii = 0;
foreach (KeyValuePair <int, VHProgram> kvp in programs)
{
VHProgram program = kvp.Value;
for (int j = 0; j < 16; j++)
{
if (j < program.Tones.Count)
{
program.Tones[j].Save(kvp.Key).CopyTo(data, 2080 + 32 * 16 * ii + 32 * j);
}
else
{
new VHTone(isoldversion).Save(kvp.Key).CopyTo(data, 2080 + 32 * 16 * ii + 32 * j);
}
}
ii++;
}
for (int i = 0; i < waves.Count; i++)
{
BitConv.ToInt16(data, 2080 + 32 * 16 * programs.Count + 2 + i * 2, (short)(waves[i] * 2));
}
return(data);
}
public static VH Load(byte[] data)
{
if (data.Length < 2592)
{
ErrorManager.SignalError("VH: Data is too short");
}
int magic = BitConv.FromInt32(data, 0);
int version = BitConv.FromInt32(data, 4);
if (magic != Magic)
{
ErrorManager.SignalIgnorableError("VH: Magic number is wrong");
}
bool isoldversion;
if (version == Version)
{
isoldversion = false;
}
else if (version == OldVersion)
{
ErrorManager.SignalIgnorableError("VH: VABv6 (crash 1) is not fully supported");
isoldversion = true;
}
else
{
ErrorManager.SignalIgnorableError("VH: Version number is wrong");
isoldversion = true;
}
int id = BitConv.FromInt32(data, 8);
int size = BitConv.FromInt32(data, 12);
short reserved1 = BitConv.FromInt16(data, 16);
short programcount = BitConv.FromInt16(data, 18);
short tonecount = BitConv.FromInt16(data, 20);
short wavecount = BitConv.FromInt16(data, 22);
byte volume = data[24];
byte panning = data[25];
byte attribute1 = data[26];
byte attribute2 = data[27];
int reserved2 = BitConv.FromInt32(data, 28);
if (id != 0)
{
ErrorManager.SignalIgnorableError("VH: ID is wrong");
}
if (size < data.Length)
{
ErrorManager.SignalError("VH: Size field mismatch");
}
if ((size - data.Length) % 16 != 0)
{
ErrorManager.SignalError("VH: Size field is invalid");
}
int vbsize = (size - data.Length) / 16;
if (reserved1 != -0x1112)
{
ErrorManager.SignalIgnorableError("VH: Reserved value 1 is wrong");
}
if (programcount < 0 || programcount > 128)
{
ErrorManager.SignalError("VH: Program count is invalid");
}
if (tonecount < 0 || tonecount > 2048)
{
ErrorManager.SignalError("VH: Tone count is invalid");
}
if (wavecount < 0 || wavecount > 254)
{
ErrorManager.SignalError("VH: Wave count is invalid");
}
if (reserved2 != -1)
{
ErrorManager.SignalIgnorableError("VH: Reserved value 2 is wrong");
}
if (data.Length < 2592 + 32 * 16 * programcount)
{
ErrorManager.SignalError("VH: Data is too short");
}
Dictionary <int, VHProgram> programs = new Dictionary <int, VHProgram>();
for (int i = 0; i < 128; i++)
{
byte[] programdata = new byte [16];
Array.Copy(data, 32 + 16 * i, programdata, 0, 16);
if (programdata[0] == 0)
{
continue;
}
if (programs.Count == programcount)
{
ErrorManager.SignalError("VH: Program count field mismatch");
}
byte[] tonedata = new byte [32 * 16];
Array.Copy(data, 32 + 16 * 128 + 32 * 16 * programs.Count, tonedata, 0, 32 * 16);
programs.Add(i, VHProgram.Load(programdata, tonedata, isoldversion));
}
if (programs.Count != programcount)
{
ErrorManager.SignalError("VH: Program count field mismatch");
}
int[] waves = new int [wavecount];
for (int i = 0; i < wavecount; i++)
{
int wave = BitConv.FromInt16(data, 32 + 16 * 128 + 32 * 16 * programcount + 2 + i * 2);
if (wave % 2 != 0)
{
ErrorManager.SignalError("VH: Wave size is invalid");
}
waves[i] = wave / 2;
}
return(new VH(isoldversion, vbsize, volume, panning, attribute1, attribute2, programs, waves));
}