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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2003 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.
*
*/
#include "stdafx.h"
#include "simon/sound.h"
#include "common/file.h"
#include "common/engine.h"
SimonSound::SimonSound(const byte game, const GameSpecificSettings *gss, const char *gameDataPath, SoundMixer *mixer) {
_game = game;
_gameDataPath = gameDataPath;
_mixer = mixer;
_voice_index = 0;
_ambient_index = 0;
_voice = 0;
_effects = 0;
_effects_paused = false;
_ambient_paused = false;
_filenums = 0;
_offsets = 0;
_voice_handle = 0;
_effects_handle = 0;
_ambient_handle = 0;
_voice_file = false;
_ambient_playing = 0;
File *file = new File();
File *file2 = new File();
const char *s;
#ifdef USE_MAD
file->open(gss->mp3_filename, gameDataPath);
if (file->isOpen() == false) {
#endif
// for simon2 mac/amiga, only read index file
if (_game == GAME_SIMON2MAC) {
file->open("voices.idx", gameDataPath);
if (file->isOpen() == false) {
warning("Can't open voice index file 'voices.idx'");
} else {
file->seek(0, SEEK_END);
int end = file->pos();
file->seek(0, SEEK_SET);
_filenums = (uint16 *)malloc(end / 3 + 1);
_offsets = (uint32 *)malloc((end / 6) * 4 + 1);
for (int i = 1; i <= end / 6; i++) {
_filenums[i] = file->readUint16BE();
_offsets[i] = file->readUint32BE();
}
_voice_file = true;
}
} else if (_game & GF_WIN) {
s = gss->wav_filename;
file->open(s, gameDataPath);
if (file->isOpen() == false) {
warning("Can't open voice file %s", s);
} else {
_voice_file = true;
_voice = new WavSound(_mixer, file);
}
} else if (_game & GF_TALKIE) {
s = gss->voc_filename;
file->open(s, gameDataPath);
if (file->isOpen() == false) {
warning("Can't open voice file %s", s);
} else {
_voice_file = true;
_voice = new VocSound(_mixer, file);
}
}
#ifdef USE_MAD
} else {
_voice_file = true;
_voice = new MP3Sound(_mixer, file);
}
#endif
if (_game == GAME_SIMON1TALKIE) {
#ifdef USE_MAD
file2->open(gss->mp3_effects_filename, gameDataPath);
if (file2->isOpen() == false) {
#endif
s = gss->voc_effects_filename;
file2->open(s, gameDataPath);
if (file2->isOpen() == false) {
warning("Can't open effects file %s", s);
} else {
_effects = new VocSound(_mixer, file2);
}
#ifdef USE_MAD
} else {
_effects = new MP3Sound(_mixer, file2);
}
#endif
}
}
void SimonSound::readSfxFile(const char *filename, const char *gameDataPath) {
stopAll();
File *file = new File();
file->open(filename, gameDataPath);
if (file->isOpen() == false) {
char *filename2;
filename2 = (char *)malloc(strlen(filename) + 2);
strcpy(filename2, filename);
strcat(filename2, ".");
file->open(filename2, gameDataPath);
free(filename2);
if (file->isOpen() == false) {
if (atoi(filename + 6) != 1 && atoi(filename + 6) != 30)
warning("readSfxFile: Can't load sfx file %s", filename);
return;
}
}
_effects = new WavSound(_mixer, file);
}
void SimonSound::loadSfxTable(File *gameFile, uint32 base) {
stopAll();
if (_game & GF_WIN)
_effects = new WavSound(_mixer, gameFile, base);
else
_effects = new VocSound(_mixer, gameFile, base);
}
void SimonSound::playVoice(uint sound) {
if (_game == GAME_SIMON2MAC && _filenums) {
char filename[16];
sprintf(filename, "voices%d.dat", _filenums[sound]);
File *file = new File();
file->open(filename, _gameDataPath);
if (file->isOpen() == false) {
warning("Can't open voice file %s", filename);
} else {
delete _voice;
_voice = new WavSound(_mixer, file, _offsets);
}
}
if (!_voice)
return;
_voice_index = _voice->playSound(sound, &_voice_handle);
}
void SimonSound::playEffects(uint sound) {
if (!_effects)
return;
if (_effects_paused)
return;
_effects->playSound(sound, &_effects_handle);
}
void SimonSound::playAmbient(uint sound) {
if (!_effects)
return;
if (sound == _ambient_playing)
return;
_ambient_playing = sound;
if (_ambient_paused)
return;
if (_ambient_handle)
_mixer->stop(_ambient_index);
_ambient_index = _effects->playSound(sound, &_ambient_handle, SoundMixer::FLAG_LOOP);
}
bool SimonSound::hasVoice() {
return _voice_file;
}
void SimonSound::stopVoice() {
_mixer->stop(_voice_index);
}
void SimonSound::stopAll() {
_mixer->stopAll();
_ambient_playing = 0;
}
void SimonSound::effectsPause(bool b) {
_effects_paused = b;
}
void SimonSound::ambientPause(bool b) {
_ambient_paused = b;
if (_ambient_paused && _ambient_playing) {
_mixer->stop(_ambient_index);
} else if (_ambient_playing) {
uint tmp = _ambient_playing;
_ambient_playing = 0;
playAmbient(tmp);
}
}
/******************************************************************************/
SimonSound::Sound::Sound(SoundMixer *mixer, File *file, uint32 base) {
_mixer = mixer;
_file = file;
uint res = 0;
uint32 size;
_file->seek(base + sizeof(uint32), SEEK_SET);
size = _file->readUint32LE();
res = size / sizeof(uint32);
_offsets = (uint32 *)malloc(size + sizeof(uint32));
_file->seek(base, SEEK_SET);
if (_file->read(_offsets, size) != size)
error("Can't read offsets");
for (uint i = 0; i < res; i++) {
#if defined(SCUMM_BIG_ENDIAN)
_offsets[i] = FROM_LE_32(_offsets[i]);
#endif
_offsets[i] += base;
}
/* only needed for mp3 */
_file->seek(0, SEEK_END);
_offsets[res] = _file->pos();
}
SimonSound::Sound::Sound(SoundMixer *mixer, File *file, uint32 *offsets) {
_mixer = mixer;
_file = file;
_offsets = offsets;
}
SimonSound::Sound::~Sound() { delete _file; }
SimonSound::WavSound::~WavSound() { delete _file; }
SimonSound::VocSound::~VocSound() { delete _file; }
SimonSound::MP3Sound::~MP3Sound() { delete _file; }
#if !defined(__GNUC__)
#pragma START_PACK_STRUCTS
#endif
struct WaveHeader {
uint32 riff;
uint32 unk;
uint32 wave;
uint32 fmt;
uint32 size;
uint16 format_tag;
uint16 channels;
uint32 samples_per_sec;
uint32 avg_bytes;
uint16 block_align;
uint16 bits_per_sample;
} GCC_PACK;
struct VocHeader {
uint8 desc[20];
uint16 datablock_offset;
uint16 version;
uint16 id;
} GCC_PACK;
struct VocBlockHeader {
uint8 blocktype;
uint8 size[3];
uint8 sr;
uint8 pack;
} GCC_PACK;
#if !defined(__GNUC__)
#pragma END_PACK_STRUCTS
#endif
#ifdef USE_MAD
int SimonSound::MP3Sound::playSound(uint sound, PlayingSoundHandle *handle, byte flags)
{
if (_offsets == NULL)
return 0;
flags |= SoundMixer::FLAG_AUTOFREE;
_file->seek(_offsets[sound], SEEK_SET);
uint32 size = _offsets[sound+1] - _offsets[sound];
byte *buffer = (byte *)malloc(size);
_file->read(buffer, size);
return _mixer->playMP3(handle, buffer, size, flags);
}
#endif
int SimonSound::VocSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags) {
if (_offsets == NULL)
return 0;
VocHeader voc_hdr;
VocBlockHeader voc_block_hdr;
uint32 size;
flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
_file->seek(_offsets[sound], SEEK_SET);
if (_file->read(&voc_hdr, sizeof(voc_hdr)) != sizeof(voc_hdr) ||
strncmp((char *)voc_hdr.desc, "Creative Voice File\x1A", 10) != 0) {
error("playVoc(%d): can't read voc header", sound);
}
_file->read(&voc_block_hdr, sizeof(voc_block_hdr));
size = voc_block_hdr.size[0] + (voc_block_hdr.size[1] << 8) + (voc_block_hdr.size[2] << 16) - 2;
uint32 samples_per_sec;
/* workaround for voc weakness */
if (voc_block_hdr.sr == 0xa6) {
samples_per_sec = 11025;
} else if (voc_block_hdr.sr == 0xd2) {
samples_per_sec = 22050;
} else {
samples_per_sec = 1000000L / (256L - (long)voc_block_hdr.sr);
warning("inexact sample rate used: %i", samples_per_sec);
}
byte *buffer = (byte *)malloc(size);
_file->read(buffer, size);
return _mixer->playRaw(handle, buffer, size, samples_per_sec, flags);
}
int SimonSound::WavSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags) {
if (_offsets == NULL)
return 0;
WaveHeader wave_hdr;
uint32 data[2];
flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
_file->seek(_offsets[sound], SEEK_SET);
if (_file->read(&wave_hdr, sizeof(wave_hdr)) != sizeof(wave_hdr) ||
wave_hdr.riff != MKID('RIFF') || wave_hdr.wave != MKID('WAVE')
|| wave_hdr.fmt != MKID('fmt ') || READ_LE_UINT16(&wave_hdr.format_tag) != 1
|| READ_LE_UINT16(&wave_hdr.channels) != 1
|| READ_LE_UINT16(&wave_hdr.bits_per_sample) != 8) {
error("playWav(%d): can't read RIFF header", sound);
}
_file->seek(FROM_LE_32(wave_hdr.size) - sizeof(wave_hdr) + 20, SEEK_CUR);
data[0] = _file->readUint32LE();
data[1] = _file->readUint32LE();
if (//fread(data, sizeof(data), 1, sound_file) != 1 ||
data[0] != 'atad') {
error("playWav(%d): can't read data header", sound);
}
byte *buffer = (byte *)malloc(data[1]);
_file->read(buffer, data[1]);
return _mixer->playRaw(handle, buffer, data[1], FROM_LE_32(wave_hdr.samples_per_sec), flags);
}
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