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/*********************************************************************

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 * OpenTTD: An Open Source Transport Tycoon Deluxe clone             *

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 * Copyright (c) 2002-2004 OpenTTD Developers. All Rights Reserved.  *

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 *                                                                   *

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 * Web site: http://openttd.sourceforge.net/                         *

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 *********************************************************************/

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/*

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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 */

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/* DirectMusic driver for Win32 */

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/* Based on dxmci from TTDPatch */

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#include "stdafx.h"

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#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT

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#include "ttd.h"

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#include "string.h"

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#include "sound.h"

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#include "hal.h"

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static const char * DMusicMidiStart(const char * const *parm);

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static void DMusicMidiStop(void);

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static void DMusicMidiPlaySong(const char *filename);

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static void DMusicMidiStopSong(void);

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static bool DMusicMidiIsSongPlaying(void);

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static void DMusicMidiSetVolume(byte vol);

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const HalMusicDriver _dmusic_midi_driver = {

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	DMusicMidiStart,

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	DMusicMidiStop,

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	DMusicMidiPlaySong,

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	DMusicMidiStopSong,

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	DMusicMidiIsSongPlaying,

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	DMusicMidiSetVolume,

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};

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extern bool LoadMIDI (char *directory, char *filename);

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extern bool InitDirectMusic (void);

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extern void ReleaseSegment (void);

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extern void ShutdownDirectMusic (void);

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extern bool LoadMIDI (char *directory, char *filename);

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extern void PlaySegment (void);

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extern void StopSegment (void);

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extern bool IsSegmentPlaying (void);

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extern void SetVolume (long);

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bool seeking = false;

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static const char * DMusicMidiStart(const char * const *parm)

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{

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	if (InitDirectMusic() == true)

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		return(0);

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  return("Unable to initialize DirectMusic");

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}

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static void DMusicMidiStop(void)

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{

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	StopSegment();

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}

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static void DMusicMidiPlaySong(const char *filename)

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{

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	char *pos;

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	char dir[MAX_PATH];

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	char file[MAX_PATH];

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	// split full path into directory and file components

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	ttd_strlcpy(dir, filename, MAX_PATH);

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	pos = strrchr(dir, '\\') + 1;

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	ttd_strlcpy(file, pos, MAX_PATH);

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	//strchr(file, ' ')[0] = 0;

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	*pos = 0;

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	LoadMIDI(dir, file);

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	PlaySegment();

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	seeking = true;

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}

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static void DMusicMidiStopSong(void)

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{

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	StopSegment();

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}

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static bool DMusicMidiIsSongPlaying(void)

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{

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	if ((IsSegmentPlaying() == 0) && (seeking == true)) // Not the nicest code, but there is a

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		return(true);                                   // short delay before playing actually

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                                                        // starts. OpenTTD makes no provision for

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	if (IsSegmentPlaying() == 1)                        // this.

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		seeking = false;

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	return(IsSegmentPlaying());

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}

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static void DMusicMidiSetVolume(byte vol)

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{

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	SetVolume(vol);

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}

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#endif /* WIN32_ENABLE_DIRECTMUSIC_SUPPORT */