mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 21:59:17 +00:00
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* $Header$
|
|
*
|
|
*/
|
|
|
|
#include "stdafx.h"
|
|
#include "sky/sound.h"
|
|
#include "sky/struc.h"
|
|
|
|
#define SOUND_FILE_BASE 60203
|
|
|
|
SkySound::SkySound(SoundMixer *mixer, SkyDisk *pDisk) {
|
|
_skyDisk = pDisk;
|
|
_soundData = NULL;
|
|
_mixer = mixer;
|
|
_voiceHandle = 0;
|
|
_effectHandle = 0;
|
|
_bgSoundHandle = 0;
|
|
_ingameSound = 0;
|
|
}
|
|
|
|
SkySound::~SkySound(void) {
|
|
|
|
_mixer->stopAll();
|
|
if (_soundData) free(_soundData);
|
|
}
|
|
|
|
int SkySound::playVoice(byte *sound, uint32 size) {
|
|
|
|
return playSound(sound, size, &_voiceHandle);
|
|
}
|
|
|
|
|
|
int SkySound::playBgSound(byte *sound, uint32 size) {
|
|
|
|
size -= 512; //Hack to get rid of the annoying pop at the end of some bg sounds
|
|
return playSound(sound, size, &_bgSoundHandle);
|
|
}
|
|
|
|
int SkySound::playSound(byte *sound, uint32 size, PlayingSoundHandle *handle) {
|
|
|
|
byte flags = 0;
|
|
flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
|
|
size -= sizeof(struct dataFileHeader);
|
|
byte *buffer = (byte *)malloc(size);
|
|
memcpy(buffer, sound+sizeof(struct dataFileHeader), size);
|
|
|
|
return _mixer->playRaw(handle, buffer, size, 11025, flags);
|
|
}
|
|
|
|
void SkySound::loadSection(uint8 pSection) {
|
|
|
|
if (_ingameSound) _mixer->stop(_ingameSound - 1);
|
|
_ingameSound = 0;
|
|
if (_soundData) free(_soundData);
|
|
_soundData = _skyDisk->loadFile(pSection * 4 + SOUND_FILE_BASE, NULL);
|
|
if ((_soundData[0x7E] != 0x3C) || (_soundData[0xA5] != 0x8D) || (_soundData[0xA6] != 0x1E) ||
|
|
(_soundData[0xAD] != 0x8D) || (_soundData[0xAE] != 0x36))
|
|
error("Unknown sounddriver version!\n");
|
|
_soundsTotal = _soundData[0x7F];
|
|
uint16 sRateTabOfs = (_soundData[0xA8] << 8) | _soundData[0xA7];
|
|
_sfxBaseOfs = (_soundData[0xB0] << 8) | _soundData[0xAF];
|
|
_sampleRates = _soundData + sRateTabOfs;
|
|
_sfxInfo = _soundData + _sfxBaseOfs;
|
|
}
|
|
|
|
void SkySound::playSound(uint16 sound, uint16 volume) {
|
|
|
|
if (!_soundData) {
|
|
warning("SkySound::playSound(%04X, %04X) called with a section having been loaded.\n", sound, volume);
|
|
return;
|
|
}
|
|
|
|
if (sound > _soundsTotal) {
|
|
if (sound & 0x80) warning("SkySound::playSound(%04X, %04X) not implemented.\n", sound, volume);
|
|
else warning("SkySound::playSound(%04X, %04X) ignored.\n", sound, volume);
|
|
return ;
|
|
}
|
|
|
|
volume = ((volume & 0x7F) + 1) << 1;
|
|
sound &= 0xFF;
|
|
|
|
// note: all those tables are big endian. Don't ask me why. *sigh*
|
|
uint16 sampleRate = (_sampleRates[sound << 2] << 8) | _sampleRates[(sound << 2) | 1];
|
|
uint16 dataOfs = ((_sfxInfo[sound << 3] << 8) | _sfxInfo[(sound << 3) | 1]) << 4;
|
|
dataOfs += _sfxBaseOfs;
|
|
uint16 dataSize = (_sfxInfo[(sound << 3) | 2] << 8) | _sfxInfo[(sound << 3) | 3];
|
|
uint16 dataLoop = (_sfxInfo[(sound << 3) | 6] << 8) | _sfxInfo[(sound << 3) | 7];
|
|
|
|
byte flags = SoundMixer::FLAG_UNSIGNED;
|
|
if (dataSize == dataLoop)
|
|
flags |= SoundMixer::FLAG_LOOP;
|
|
|
|
_mixer->stopAll();
|
|
_mixer->setVolume(volume);
|
|
_mixer->playRaw(&_ingameSound, _soundData + dataOfs, dataSize, sampleRate, flags);
|
|
}
|
|
|