public override bool Init()
{
mh = new ITHEADER();
poslookup = new byte[256];
itpat = new ITNOTE [200 * 64];
for (int i = 0; i < itpat.Length; i++)
{
itpat[i] = new ITNOTE();
}
mask = new byte [64];
last = new ITNOTE[64];
for (int i = 0; i < last.Length; i++)
{
last[i] = new ITNOTE();
}
return(true);
}
bool IT_ReadPattern(ushort patrows)
{
int row = 0, flag, ch, blah;
//ITNOTE *itt=itpat,dummy,*n,*l;
int place = 0;
ITNOTE dummy, n, l;
dummy = new ITNOTE();
for (int i = 0; i < 200 * 64; i++)
{
itpat[i].Clear();
}
do
{
flag = m_Reader.Read_byte();
if (m_Reader.isEOF())
{
m_LoadError = MMERR_LOADING_PATTERN;
return(false);
}
if (flag == 0)
{
place += m_Module.numchn;
row++;
}
else
{
ch = remap[(flag - 1) & 63];
if (ch != -1)
{
n = itpat[ch + place];
l = last[ch];
}
else
{
n = l = dummy;
}
if ((flag & 128) != 0)
{
mask[ch] = m_Reader.Read_byte();
}
if ((mask[ch] & 1) != 0)
{
/* convert IT note off to internal note off */
if ((l.note = n.note = m_Reader.Read_byte()) == 255)
{
l.note = n.note = 253;
}
}
if ((mask[ch] & 2) != 0)
{
l.ins = n.ins = m_Reader.Read_byte();
}
if ((mask[ch] & 4) != 0)
{
l.volpan = n.volpan = m_Reader.Read_byte();
}
if ((mask[ch] & 8) != 0)
{
l.cmd = n.cmd = m_Reader.Read_byte();
l.inf = n.inf = m_Reader.Read_byte();
}
if ((mask[ch] & 16) != 0)
{
n.note = l.note;
}
if ((mask[ch] & 32) != 0)
{
n.ins = l.ins;
}
if ((mask[ch] & 64) != 0)
{
n.volpan = l.volpan;
}
if ((mask[ch] & 128) != 0)
{
n.cmd = l.cmd;
n.inf = l.inf;
}
}
} while(row < patrows);
// for (int i = 0; i < itpat.Length; i++)
// {
// Debug.WriteLine("{0} {1} {2} {3} {4}", itpat[i].cmd, itpat[i].inf, itpat[i].ins, itpat[i].note, itpat[i].volpan);
//
for (blah = 0; blah < m_Module.numchn; blah++)
{
if ((m_Module.tracks[numtrk++] = IT_ConvertTrack(itpat, patrows, blah)) == null)
{
return(false);
}
}
return(true);
}