/* $Id: winAudio.c,v 5.0 2001/04/07 20:00:59 dik Exp $
 *
 * XPilot, a multiplayer gravity war game.  Copyright (C) 1991-2001 by
 *
 *      Bjørn Stabell        <bjoern@xpilot.org>
 *      Ken Ronny Schouten   <ken@xpilot.org>
 *      Bert Gijsbers        <bert@xpilot.org>
 *      Dick Balaska         <dick@xpilot.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/***************************************************************************\
*  winAudio.c - XPilotNT Windoze audio interface module						*
\***************************************************************************/
#ifdef SOUND

#include "windows.h"

#include "winAudio.h"
#include <io.h>
#include <fcntl.h>
#include <mmsystem.h>

#define	SNDQSIZE	32
static char *SndQ = NULL;
static long SndSize = 0;
static BOOL SndFlag = FALSE;
static HANDLE hPlayEvent = 0;
	
static DWORD Win32PlaySounds(LPVOID Arg)
{
	while (1)
	{
		if (WAIT_OBJECT_0 == WaitForSingleObject(hPlayEvent, 100000))
		{
			char *pFileName = SndQ;
			ResetEvent(hPlayEvent);
			SndQ = NULL;
			PlaySound(pFileName, NULL, SND_SYNC | SND_FILENAME | SND_NODEFAULT);
		}
	}
	return 0;
}

static long Win32GetFileSize(const char *filename)
{
	int fd = _open(filename, O_BINARY | O_RDONLY);
	long fileSize = -1L;
	if (fd >= 0)
	{
		fileSize = _filelength(fd);
		close(fd);
	}
	return fileSize;
}

int	audioDeviceInit(char *display)
{
	DWORD	ThreadId;
	HANDLE	hThread;

	hPlayEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
	if (hPlayEvent == 0)
		return -1;
	
	if ((hThread = CreateThread(NULL, 1000, (LPTHREAD_START_ROUTINE)Win32PlaySounds, 
							    NULL, 0, &ThreadId)) == NULL)
	{
		CloseHandle(hPlayEvent);
		return -1;
	}
	SetThreadPriority(hThread, THREAD_PRIORITY_LOWEST);
	return 0;
}

void	audioDeviceEvents()
{}

void audioDevicePlay(char *filename, int type, int volume, void **private)
{
	if (SndQ == NULL)
	{
		SndQ = filename;
		SndSize = Win32GetFileSize(filename);
	}
	else
	{
		long size = Win32GetFileSize(filename);
		if (size > SndSize)
		{
			SndQ = filename;
			SndSize = size;
		}
	}
	SetEvent(hPlayEvent);
}


#endif
