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Fixed IMuseGM device state trackers to prevent inappropriate dropped messages.

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svn-id: r5487
This commit is contained in:
Jamieson Christian 2002-11-10 13:44:53 +00:00
parent 5b7c29e4e6
commit a1954ac31e
1 changed files with 23 additions and 1 deletions
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24
scumm/imuse.cpp
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@ -690,7 +690,7 @@ class IMuseGM : public IMuseDriver {
void midiInit();
public:
IMuseGM(MidiDriver *midi) { _md = midi; }
IMuseGM(MidiDriver *midi);
void uninit();
void init(IMuseInternal *eng, OSystem *os);
void update_pris();
@ -4644,6 +4644,28 @@ int IMuseAdlib::part_update_active(Part *part, uint16 *active)
//** GENERAL MIDI PART OF IMUSE STARTS HERE **
//********************************************
IMuseGM::IMuseGM (MidiDriver *midi)
{
int i;
// Initialize our "last" trackers with impossible
// values, so that they don't accidentally match
// any changes that are sent (which would cause
// the changes to be ignored).
for (i = 0; i < 16; ++i) {
_midi_program_last [i] =
_midi_pitchbend_factor_last [i] =
_midi_volume_last [i] =
_midi_modwheel_last [i] =
_midi_effectlevel_last [i] =
_midi_chorus_last [i] = 255;
_midi_pan_last [i] = 127;
_midi_pitchbend_last [i] = (int16) -1;
_midi_pedal_last [i] = false;
}
_md = midi;
}
void IMuseGM::midiPitchBend(byte chan, int16 pitchbend)
{
uint16 tmp;