/// <summary>
/// Loads all patterns of a modfile and converts them into the
/// 3 byte format.
/// </summary>
/// <returns></returns>
public virtual bool ML_LoadPatterns(int patternsCount)
{
int t, s = 0;
this._module.Patterns = new System.Collections.Generic.List <Pattern>(patternsCount);
// Allocate temporary buffer for loading and converting the patterns
patbuf = new MODNOTE[64 * this._module.ChannelsCount];
for (t = 0; t < 64 * this._module.ChannelsCount; t++)
{
patbuf[t] = new MODNOTE();
patbuf[t].a = (short)(patbuf[t].b = (short)(patbuf[t].c = (short)(patbuf[t].d = 0)));
}
for (t = 0; t < patternsCount; t++)
{
if (this.AllocPatterns != null && !AllocPatterns(_module, t, 64))
{
return(false);
}
if (this.AllocTracks != null && !AllocTracks(this._module.Patterns[t], _module.ChannelsCount))
{
return(false);
}
// Load the pattern into the temp buffer and convert it
for (s = 0; s < (int)(64 * this._module.ChannelsCount); s++)
{
patbuf[s].a = Reader.ReadUByte();
patbuf[s].b = Reader.ReadUByte();
patbuf[s].c = Reader.ReadUByte();
patbuf[s].d = Reader.ReadUByte();
}
for (s = 0; s < this._module.ChannelsCount; s++)
{
if ((this._module.Patterns[t].Tracks[s].UniTrack = ConvertTrack(patbuf, s)) == null)
{
return(false);
}
}
}
return(true);
}
public virtual void ConvertNote(MODNOTE n)
{
short instrument, effect, effdat, note;
int period;
/* extract the various information from the 4 bytes that
* make up a single note */
instrument = (short)((n.a & 0x10) | (n.c >> 4));
period = (((int)n.a & 0xf) << 8) + n.b;
effect = (short)(n.c & 0xf);
effdat = n.d;
/* Convert the period to a note number */
note = 0;
if (period != 0)
{
for (note = 0; note < 60; note++)
{
if (period >= npertab[note])
{
break;
}
}
note++;
if (note == 61)
{
note = 0;
}
}
if (instrument != 0)
{
this.UniTrack.UniInstrument((short)(instrument - 1));
}
if (note != 0)
{
this.UniTrack.UniNote((short)(note + 23));
}
this.UniTrack.UniPTEffect(effect, effdat);
}
