cpp/openttd-patchpack/source Files · music/os2_m.c

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celestar

(svn r5070) Merged the bridge branch
-Feature: Bridges can now be placed above:
Any railway track combination (excluding depots and waypoints)
Any road combination (excluding depots)
Clear tiles (duh), including fields
Tunnel entrances
Bridge heads

Thanks to Tron for idea and implementation, KUDr for the yapf synchronization and many others for hours of testing

There are still a number of visual problems remaining, especially when electric railways are on or under the bridge.
DO NOT REPORT THOSE BUGS FOR THE TIME BEING please.

/* $Id$ */

#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,
};