Logo Search packages:      
Sourcecode: scummvm version File versions

sound.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2006 The ScummVM project
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/queen/sound.cpp $
 * $Id: sound.cpp 22231 2006-04-29 22:33:31Z fingolfin $
 *
 */

#include "common/stdafx.h"
#include "common/endian.h"

#include "queen/sound.h"

#include "queen/input.h"
#include "queen/music.h"
#include "queen/queen.h"
#include "queen/resource.h"

#include "sound/flac.h"
#include "sound/mp3.h"
#include "sound/vorbis.h"

#define     SB_HEADER_SIZE    110
#define     STOP_MUSIC  -1

namespace Queen {

Sound::Sound(Audio::Mixer *mixer, QueenEngine *vm) :
      _mixer(mixer), _vm(vm), _sfxToggle(true), _speechToggle(true), _musicToggle(true), _lastOverride(0) {
}

Sound::~Sound() {
}

Sound *Sound::giveSound(Audio::Mixer *mixer, QueenEngine *vm, uint8 compression) {
      if (!mixer->isReady())
            return new SilentSound(mixer, vm);

      switch (compression) {
      case COMPRESSION_NONE:
            return new SBSound(mixer, vm);
            break;
      case COMPRESSION_MP3:
#ifndef USE_MAD
            warning("Using MP3 compressed datafile, but MP3 support not compiled in");
            return new SilentSound(mixer, vm);
#else
            return new MP3Sound(mixer, vm);
#endif
            break;
      case COMPRESSION_OGG:
#ifndef USE_VORBIS
            warning("Using OGG compressed datafile, but OGG support not compiled in");
            return new SilentSound(mixer, vm);
#else
            return new OGGSound(mixer, vm);
#endif
            break;
      case COMPRESSION_FLAC:
#ifndef USE_FLAC
            warning("Using FLAC compressed datafile, but FLAC support not compiled in");
            return new SilentSound(mixer, vm);
#else
            return new FLACSound(mixer, vm);
#endif
            break;
      default:
            warning("Unknown compression type");
            return new SilentSound(mixer, vm);
      }
}

void Sound::waitFinished(bool isSpeech) {
      if (isSpeech)
            while (_mixer->isSoundHandleActive(_speechHandle))
                  _vm->input()->delay(10);
      else
            while (_mixer->isSoundHandleActive(_sfxHandle))
                  _vm->input()->delay(10);
}

void Sound::playSfx(uint16 sfx, bool isSpeech) {
      if (isSpeech && !speechOn()) return;
      else if (!sfxOn()) return;

      if (sfx != 0) {
            char name[13];
#ifndef PALMOS_68K
            strcpy(name, _sfxName[sfx - 1]);
#else
            strncpy(name, _sfxName + 10 * (sfx - 1), 10);   // saved as 8char + /0/0
#endif
            strcat(name, ".SB");
            waitFinished(isSpeech);
            if (sfxPlay(name, isSpeech ? &_speechHandle : &_sfxHandle)) {
                  _speechSfxExists = isSpeech;
            } else {
                  _speechSfxExists = false;
            }
      }
}

void Sound::playSfx(const char *base, bool isSpeech) {
      if (isSpeech && !speechOn()) return;
      else if (!sfxOn()) return;

      char name[13];
      strcpy(name, base);
      // alter filename to add zeros and append ".SB"
      for (int i = 0; i < 8; i++) {
            if (name[i] == ' ')
                  name[i] = '0';
      }
      strcat(name, ".SB");
      waitFinished(isSpeech);
      if (sfxPlay(name, isSpeech ? &_speechHandle : &_sfxHandle)) {
            _speechSfxExists = isSpeech;
      } else {
            _speechSfxExists = false;
      }
}

void Sound::playSong(int16 songNum) {
      if (songNum <= 0) {
            _vm->music()->stopSong();
            return;
      }

      int16 newTune;
      if (_vm->resource()->isDemo()) {
            if (songNum == 17) {
                  _vm->music()->stopSong();
                  return;
            }
            newTune = _songDemo[songNum - 1].tuneList[0] - 1;
      } else {
            newTune = _song[songNum - 1].tuneList[0] - 1;
      }

      if (_tune[newTune].sfx[0]) {
            if (sfxOn())
                  playSfx(_tune[newTune].sfx[0], false);
            return;
      }

      if (!musicOn())
            return;

      int override = (_vm->resource()->isDemo()) ? _songDemo[songNum - 1].override : _song[songNum - 1].override;
      switch (override) {
      // Override all songs
      case  1:
            break;
      // Alter song settings (such as volume) and exit
      case  2:
            _vm->music()->toggleVChange();
      default:
            return;
            break;
      }

      _lastOverride = songNum;

      _vm->music()->queueTuneList(newTune);
      _vm->music()->playMusic();
}

void Sound::saveState(byte *&ptr) {
      WRITE_BE_UINT16(ptr, _lastOverride); ptr += 2;
}

void Sound::loadState(uint32 ver, byte *&ptr) {
      _lastOverride = (int16)READ_BE_INT16(ptr); ptr += 2;
}

bool SilentSound::sfxPlay(const char *name, Audio::SoundHandle *soundHandle) {
      return false;
}

bool SBSound::sfxPlay(const char *name, Audio::SoundHandle *soundHandle) {
      if (_vm->resource()->fileExists(name)) {
            uint32 size;
            uint8 *sound = _vm->resource()->loadFile(name, SB_HEADER_SIZE, &size, true);
            byte flags = Audio::Mixer::FLAG_UNSIGNED | Audio::Mixer::FLAG_AUTOFREE;
            _mixer->playRaw(soundHandle, sound, size, 11025, flags);
            return true;
      }
      return false;
}

#ifdef USE_MAD
bool MP3Sound::sfxPlay(const char *name, Audio::SoundHandle *soundHandle) {
      uint32 size;
      Common::File *f = _vm->resource()->giveCompressedSound(name, &size);
      if (f) {
            _mixer->playInputStream(Audio::Mixer::kSFXSoundType, soundHandle, Audio::makeMP3Stream(f, size));
            return true;
      }
      return false;
}
#endif

#ifdef USE_VORBIS
bool OGGSound::sfxPlay(const char *name, Audio::SoundHandle *soundHandle) {
      uint32 size;
      Common::File *f = _vm->resource()->giveCompressedSound(name, &size);
      if (f) {
            _mixer->playInputStream(Audio::Mixer::kSFXSoundType, soundHandle, Audio::makeVorbisStream(f, size));
            return true;
      }
      return false;
}
#endif

#ifdef USE_FLAC
bool FLACSound::sfxPlay(const char *name, Audio::SoundHandle *soundHandle) {
      uint32 size;
      Common::File *f = _vm->resource()->giveCompressedSound(name, &size);
      if (f) {
            _mixer->playInputStream(Audio::Mixer::kSFXSoundType, soundHandle, Audio::makeFlacStream(f, size));
            return true;
      }
      return false;
}
#endif

} //End of namespace Queen

Generated by  Doxygen 1.6.0   Back to index