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446 lines
10 KiB
C++
446 lines
10 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "stdafx.h"
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#include "simon/sound.h"
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#include "common/file.h"
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#include "common/engine.h"
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class BaseSound {
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protected:
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File *_file;
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uint32 *_offsets;
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SoundMixer *_mixer;
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public:
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BaseSound(SoundMixer *mixer, File *file, uint32 base = 0);
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BaseSound(SoundMixer *mixer, File *file, uint32 *offsets);
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virtual ~BaseSound();
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virtual int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0) = 0;
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};
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class WavSound : public BaseSound {
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public:
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WavSound(SoundMixer *mixer, File *file, uint32 base = 0) : BaseSound(mixer, file, base) {};
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WavSound(SoundMixer *mixer, File *file, uint32 *offsets) : BaseSound(mixer, file, offsets) {};
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int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
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};
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class VocSound : public BaseSound {
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public:
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VocSound(SoundMixer *mixer, File *file, uint32 base = 0) : BaseSound(mixer, file, base) {};
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int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
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};
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BaseSound::BaseSound(SoundMixer *mixer, File *file, uint32 base) {
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_mixer = mixer;
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_file = file;
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uint res = 0;
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uint32 size;
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_file->seek(base + sizeof(uint32), SEEK_SET);
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size = _file->readUint32LE();
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res = size / sizeof(uint32);
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_offsets = (uint32 *)malloc(size + sizeof(uint32));
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_file->seek(base, SEEK_SET);
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if (_file->read(_offsets, size) != size)
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error("Can't read offsets");
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for (uint i = 0; i < res; i++) {
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#if defined(SCUMM_BIG_ENDIAN)
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_offsets[i] = FROM_LE_32(_offsets[i]);
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#endif
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_offsets[i] += base;
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}
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// only needed for mp3
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_file->seek(0, SEEK_END);
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_offsets[res] = _file->pos();
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}
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BaseSound::BaseSound(SoundMixer *mixer, File *file, uint32 *offsets) {
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_mixer = mixer;
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_file = file;
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_offsets = offsets;
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}
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BaseSound::~BaseSound() {
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free(_offsets);
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delete _file;
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}
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#if !defined(__GNUC__)
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#pragma START_PACK_STRUCTS
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#endif
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struct WaveHeader {
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uint32 riff;
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uint32 unk;
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uint32 wave;
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uint32 fmt;
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uint32 size;
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uint16 format_tag;
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uint16 channels;
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uint32 samples_per_sec;
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uint32 avg_bytes;
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uint16 block_align;
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uint16 bits_per_sample;
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} GCC_PACK;
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struct VocHeader {
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uint8 desc[20];
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uint16 datablock_offset;
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uint16 version;
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uint16 id;
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} GCC_PACK;
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struct VocBlockHeader {
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uint8 blocktype;
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uint8 size[3];
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uint8 sr;
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uint8 pack;
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} GCC_PACK;
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#if !defined(__GNUC__)
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#pragma END_PACK_STRUCTS
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#endif
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int WavSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags) {
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if (_offsets == NULL)
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return 0;
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WaveHeader wave_hdr;
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uint32 data[2];
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flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
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_file->seek(_offsets[sound], SEEK_SET);
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if (_file->read(&wave_hdr, sizeof(wave_hdr)) != sizeof(wave_hdr) ||
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wave_hdr.riff != MKID('RIFF') || wave_hdr.wave != MKID('WAVE')
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|| wave_hdr.fmt != MKID('fmt ') || READ_LE_UINT16(&wave_hdr.format_tag) != 1
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|| READ_LE_UINT16(&wave_hdr.channels) != 1
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|| READ_LE_UINT16(&wave_hdr.bits_per_sample) != 8) {
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error("playWav(%d): can't read RIFF header", sound);
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}
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_file->seek(FROM_LE_32(wave_hdr.size) - sizeof(wave_hdr) + 20, SEEK_CUR);
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data[0] = _file->readUint32LE();
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data[1] = _file->readUint32LE();
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if (//fread(data, sizeof(data), 1, sound_file) != 1 ||
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data[0] != 'atad') {
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error("playWav(%d): can't read data header", sound);
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}
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byte *buffer = (byte *)malloc(data[1]);
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_file->read(buffer, data[1]);
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return _mixer->playRaw(handle, buffer, data[1], FROM_LE_32(wave_hdr.samples_per_sec), flags);
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}
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int VocSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags) {
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if (_offsets == NULL)
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return 0;
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VocHeader voc_hdr;
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VocBlockHeader voc_block_hdr;
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uint32 size;
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flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
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_file->seek(_offsets[sound], SEEK_SET);
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if (_file->read(&voc_hdr, sizeof(voc_hdr)) != sizeof(voc_hdr) ||
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strncmp((char *)voc_hdr.desc, "Creative Voice File\x1A", 10) != 0) {
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error("playVoc(%d): can't read voc header", sound);
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}
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_file->read(&voc_block_hdr, sizeof(voc_block_hdr));
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size = voc_block_hdr.size[0] + (voc_block_hdr.size[1] << 8) + (voc_block_hdr.size[2] << 16) - 2;
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uint32 samples_per_sec;
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/* workaround for voc weakness */
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if (voc_block_hdr.sr == 0xa6) {
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samples_per_sec = 11025;
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} else if (voc_block_hdr.sr == 0xd2) {
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samples_per_sec = 22050;
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} else {
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samples_per_sec = 1000000L / (256L - (long)voc_block_hdr.sr);
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warning("inexact sample rate used: %i", samples_per_sec);
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}
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byte *buffer = (byte *)malloc(size);
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_file->read(buffer, size);
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return _mixer->playRaw(handle, buffer, size, samples_per_sec, flags);
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}
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#ifdef USE_MAD
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class MP3Sound : public BaseSound {
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public:
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MP3Sound(SoundMixer *mixer, File *file, uint32 base = 0) : BaseSound(mixer, file, base) {};
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int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
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};
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int MP3Sound::playSound(uint sound, PlayingSoundHandle *handle, byte flags)
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{
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if (_offsets == NULL)
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return 0;
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flags |= SoundMixer::FLAG_AUTOFREE;
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_file->seek(_offsets[sound], SEEK_SET);
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uint32 size = _offsets[sound+1] - _offsets[sound];
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byte *buffer = (byte *)malloc(size);
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_file->read(buffer, size);
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return _mixer->playMP3(handle, buffer, size, flags);
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}
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#endif
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/******************************************************************************/
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SimonSound::SimonSound(const byte game, const GameSpecificSettings *gss, const char *gameDataPath, SoundMixer *mixer) {
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_game = game;
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_gameDataPath = gameDataPath;
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_mixer = mixer;
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_voice_index = 0;
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_ambient_index = 0;
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_voice = 0;
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_effects = 0;
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_effects_paused = false;
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_ambient_paused = false;
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_filenums = 0;
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_offsets = 0;
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_voice_handle = 0;
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_effects_handle = 0;
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_ambient_handle = 0;
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_voice_file = false;
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_ambient_playing = 0;
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File *file = new File();
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const char *s;
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#ifdef USE_MAD
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file->open(gss->mp3_filename, gameDataPath);
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if (file->isOpen() == false) {
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#endif
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// for simon2 mac/amiga, only read index file
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if (_game == GAME_SIMON2MAC) {
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file->open("voices.idx", gameDataPath);
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if (file->isOpen() == false) {
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warning("Can't open voice index file 'voices.idx'");
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delete file;
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} else {
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file->seek(0, SEEK_END);
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int end = file->pos();
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file->seek(0, SEEK_SET);
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_filenums = (uint16 *)malloc(end / 3 + 1);
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_offsets = (uint32 *)malloc((end / 6) * 4 + 1);
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for (int i = 1; i <= end / 6; i++) {
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_filenums[i] = file->readUint16BE();
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_offsets[i] = file->readUint32BE();
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}
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_voice_file = true;
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}
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} else if (_game & GF_WIN) {
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s = gss->wav_filename;
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file->open(s, gameDataPath);
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if (file->isOpen() == false) {
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warning("Can't open voice file %s", s);
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} else {
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_voice_file = true;
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_voice = new WavSound(_mixer, file);
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}
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} else if (_game & GF_TALKIE) {
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s = gss->voc_filename;
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file->open(s, gameDataPath);
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if (file->isOpen() == false) {
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warning("Can't open voice file %s", s);
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} else {
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_voice_file = true;
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_voice = new VocSound(_mixer, file);
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}
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}
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#ifdef USE_MAD
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} else {
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_voice_file = true;
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_voice = new MP3Sound(_mixer, file);
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}
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#endif
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if (_game == GAME_SIMON1TALKIE) {
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file = new File();
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#ifdef USE_MAD
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file->open(gss->mp3_effects_filename, gameDataPath);
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if (file->isOpen() == false) {
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#endif
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s = gss->voc_effects_filename;
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file->open(s, gameDataPath);
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if (file->isOpen() == false) {
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warning("Can't open effects file %s", s);
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} else {
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_effects = new VocSound(_mixer, file);
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}
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#ifdef USE_MAD
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} else {
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_effects = new MP3Sound(_mixer, file);
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}
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#endif
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}
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}
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SimonSound::~SimonSound() {
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delete _voice;
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delete _effects;
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free(_filenums);
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free(_offsets);
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}
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void SimonSound::readSfxFile(const char *filename, const char *gameDataPath) {
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stopAll();
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File *file = new File();
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file->open(filename, gameDataPath);
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if (file->isOpen() == false) {
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char *filename2;
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filename2 = (char *)malloc(strlen(filename) + 2);
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strcpy(filename2, filename);
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strcat(filename2, ".");
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file->open(filename2, gameDataPath);
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free(filename2);
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if (file->isOpen() == false) {
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if (atoi(filename + 6) != 1 && atoi(filename + 6) != 30)
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warning("readSfxFile: Can't load sfx file %s", filename);
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return;
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}
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}
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_effects = new WavSound(_mixer, file);
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}
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void SimonSound::loadSfxTable(File *gameFile, uint32 base) {
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stopAll();
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if (_game & GF_WIN)
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_effects = new WavSound(_mixer, gameFile, base);
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else
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_effects = new VocSound(_mixer, gameFile, base);
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}
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void SimonSound::playVoice(uint sound) {
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if (_game == GAME_SIMON2MAC && _filenums) {
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char filename[16];
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sprintf(filename, "voices%d.dat", _filenums[sound]);
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File *file = new File();
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file->open(filename, _gameDataPath);
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if (file->isOpen() == false) {
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warning("Can't open voice file %s", filename);
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} else {
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delete _voice;
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_voice = new WavSound(_mixer, file, _offsets);
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}
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}
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if (!_voice)
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return;
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_voice_index = _voice->playSound(sound, &_voice_handle);
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}
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void SimonSound::playEffects(uint sound) {
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if (!_effects)
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return;
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if (_effects_paused)
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return;
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_effects->playSound(sound, &_effects_handle);
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}
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void SimonSound::playAmbient(uint sound) {
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if (!_effects)
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return;
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if (sound == _ambient_playing)
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return;
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_ambient_playing = sound;
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if (_ambient_paused)
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return;
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if (_ambient_handle)
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_mixer->stop(_ambient_index);
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_ambient_index = _effects->playSound(sound, &_ambient_handle, SoundMixer::FLAG_LOOP);
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}
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bool SimonSound::hasVoice() {
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return _voice_file;
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}
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void SimonSound::stopVoice() {
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_mixer->stop(_voice_index);
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}
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void SimonSound::stopAll() {
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_mixer->stopAll();
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_ambient_playing = 0;
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}
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void SimonSound::effectsPause(bool b) {
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_effects_paused = b;
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}
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void SimonSound::ambientPause(bool b) {
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_ambient_paused = b;
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if (_ambient_paused && _ambient_playing) {
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_mixer->stop(_ambient_index);
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} else if (_ambient_playing) {
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uint tmp = _ambient_playing;
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_ambient_playing = 0;
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playAmbient(tmp);
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}
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}
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