OpenTTD-patches/music/os2_m.c

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/* $Id$ */
#include "../stdafx.h"
#include "../openttd.h"
#include "os2_m.h"
#define INCL_DOS
#define INCL_OS2MM
#define INCL_WIN
#include <stdarg.h>
#include <os2.h>
#include <os2me.h>
/**********************
* OS/2 MIDI PLAYER
**********************/
/* Interesting how similar the MCI API in OS/2 is to the Win32 MCI API,
* eh? Anyone would think they both came from the same place originally! ;)
*/
static long CDECL MidiSendCommand(const char *cmd, ...)
{
va_list va;
char buf[512];
va_start(va, cmd);
vsprintf(buf, cmd, va);
va_end(va);
return mciSendString(buf, NULL, 0, NULL, 0);
}
static void OS2MidiPlaySong(const char *filename)
{
MidiSendCommand("close all");
if (MidiSendCommand("open %s type sequencer alias song", filename) != 0)
return;
MidiSendCommand("play song from 0");
}
static void OS2MidiStopSong(void)
{
MidiSendCommand("close all");
}
static void OS2MidiSetVolume(byte vol)
{
MidiSendCommand("set song audio volume %d", ((vol/127)*100));
}
static bool OS2MidiIsSongPlaying(void)
{
char buf[16];
mciSendString("status song mode", buf, sizeof(buf), NULL, 0);
return strcmp(buf, "playing") == 0 || strcmp(buf, "seeking") == 0;
}
static const char *OS2MidiStart(const char * const *parm)
{
return 0;
}
static void OS2MidiStop(void)
{
MidiSendCommand("close all");
}
const HalMusicDriver _os2_music_driver = {
OS2MidiStart,
OS2MidiStop,
OS2MidiPlaySong,
OS2MidiStopSong,
OS2MidiIsSongPlaying,
OS2MidiSetVolume,
};