mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 21:59:17 +00:00
9cc0dc3d91
to backport this to the 1.0 branch, but I'm not 100% sure, and it's getting pretty late here. (On the other hand, the missing sound effects are pretty faint, at least in the cases I've seen, so we haven't been missing much. That's probably why it's gone unnoticed until now.) svn-id: r44073
651 lines
20 KiB
C++
651 lines
20 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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* 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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/endian.h"
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#include "common/util.h"
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#include "common/events.h"
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#include "common/EventRecorder.h"
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#include "common/system.h"
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#include "sword1/sound.h"
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#include "sword1/resman.h"
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#include "sword1/logic.h"
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#include "sword1/sword1.h"
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#include "sound/flac.h"
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#include "sound/mp3.h"
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#include "sound/vorbis.h"
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#include "sound/wave.h"
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#include "sound/vag.h"
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namespace Sword1 {
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#define SOUND_SPEECH_ID 1
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#define SPEECH_FLAGS (Audio::Mixer::FLAG_16BITS | Audio::Mixer::FLAG_AUTOFREE | Audio::Mixer::FLAG_LITTLE_ENDIAN)
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Sound::Sound(const char *searchPath, Audio::Mixer *mixer, ResMan *pResMan) {
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g_eventRec.registerRandomSource(_rnd, "sword1sound");
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strcpy(_filePath, searchPath);
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_mixer = mixer;
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_resMan = pResMan;
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_bigEndianSpeech = false;
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_cowHeader = NULL;
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_endOfQueue = 0;
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_currentCowFile = 0;
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_speechVolL = _speechVolR = _sfxVolL = _sfxVolR = 192;
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}
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Sound::~Sound(void) {
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// clean up fx queue
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_mixer->stopAll();
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for (uint8 cnt = 0; cnt < _endOfQueue; cnt++)
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if (_fxQueue[cnt].delay == 0)
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_resMan->resClose(_fxList[_fxQueue[cnt].id].sampleId);
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_endOfQueue = 0;
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closeCowSystem();
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}
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void Sound::checkSpeechFileEndianness() {
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// Some mac versions (not all of them) use big endian wav, although
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// the wav header doesn't indicate it.
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// Use heuristic to determine endianness of speech.
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// The heuristic consist in computing the sum of the absolute difference for
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// every two consecutive samples. This is done both with a big endian and a
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// little endian assumption. The one with the smallest sum should be the
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// correct one (the sound wave is supposed to be relatively smooth).
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// It needs at least 1000 samples to get stable result (the code below is
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// using the first 2000 samples of the wav sound).
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// Init speech file if not already done.
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if (!_currentCowFile) {
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// Open one of the speech files. It uses SwordEngine::_systemVars.currentCD
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// to decide which file to open, therefore if it is currently set to zero
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// we have to set it to either 1 or 2 (I decided to set it to 1 as this is
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// more likely to be the first file that will be needed).
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bool no_current_cd = false;
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if (SwordEngine::_systemVars.currentCD == 0) {
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SwordEngine::_systemVars.currentCD = 1;
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no_current_cd = true;
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}
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initCowSystem();
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if (no_current_cd) {
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// In case it fails with CD1 retry with CD2
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if (!_currentCowFile) {
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SwordEngine::_systemVars.currentCD = 2;
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initCowSystem();
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}
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// Reset currentCD flag
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SwordEngine::_systemVars.currentCD = 0;
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}
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}
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// Testing for endianness makes sense only if using the uncompressed files.
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if (_cowHeader == NULL || (_cowMode != CowWave && _cowMode != CowDemo))
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return;
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// I picked the sample to use randomly (I just made sure it is long enough so that there is
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// a fair change of the heuristic to have a stable result and work for every language).
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int roomNo = _currentCowFile == 1 ? 1 : 129;
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int localNo = _currentCowFile == 1 ? 2 : 933;
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// Get the speech data and apply the heuristic
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uint32 locIndex = _cowHeader[roomNo] >> 2;
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uint32 sampleSize = _cowHeader[locIndex + (localNo * 2)];
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uint32 index = _cowHeader[locIndex + (localNo * 2) - 1];
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if (sampleSize) {
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uint32 size;
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double be_diff_sum = 0., le_diff_sum = 0.;
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_bigEndianSpeech = false;
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int16 *data = uncompressSpeech(index + _cowHeaderSize, sampleSize, &size);
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// Compute average of difference between two consecutive samples for both BE and LE
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if (data) {
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if (size > 4000)
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size = 2000;
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else
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size /= 2;
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int16 prev_be_value = (int16)SWAP_BYTES_16(*((uint16*)(data)));
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for (uint32 i = 1 ; i < size ; ++i) {
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le_diff_sum += fabs((double)(data[i] - data[i-1]));
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int16 be_value = (int16)SWAP_BYTES_16(*((uint16*)(data + i)));
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be_diff_sum += fabs((double)(be_value - prev_be_value));
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prev_be_value = be_value;
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}
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delete [] data;
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}
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// Set the big endian flag
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_bigEndianSpeech = (be_diff_sum < le_diff_sum);
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if (_bigEndianSpeech)
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debug(6, "Mac version: using big endian speech file");
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else
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debug(6, "Mac version: using little endian speech file");
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debug(8, "Speech endianness heuristic: average = %f for BE and %f for LE, computed on %d samples)", be_diff_sum / (size - 1), le_diff_sum / (size - 1), size);
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}
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}
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int Sound::addToQueue(int32 fxNo) {
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bool alreadyInQueue = false;
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for (uint8 cnt = 0; (cnt < _endOfQueue) && (!alreadyInQueue); cnt++)
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if (_fxQueue[cnt].id == (uint32)fxNo)
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alreadyInQueue = true;
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if (!alreadyInQueue) {
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if (_endOfQueue == MAX_FXQ_LENGTH) {
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warning("Sound queue overflow");
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return 0;
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}
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_resMan->resOpen(_fxList[fxNo].sampleId);
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_fxQueue[_endOfQueue].id = fxNo;
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if (_fxList[fxNo].type == FX_SPOT)
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_fxQueue[_endOfQueue].delay = _fxList[fxNo].delay + 1;
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else
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_fxQueue[_endOfQueue].delay = 1;
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_endOfQueue++;
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return 1;
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}
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return 0;
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}
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void Sound::engine(void) {
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// first of all, add any random sfx to the queue...
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for (uint16 cnt = 0; cnt < TOTAL_FX_PER_ROOM; cnt++) {
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uint16 fxNo = _roomsFixedFx[Logic::_scriptVars[SCREEN]][cnt];
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if (fxNo) {
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if (_fxList[fxNo].type == FX_RANDOM) {
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if (_rnd.getRandomNumber(_fxList[fxNo].delay) == 0)
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addToQueue(fxNo);
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}
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} else
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break;
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}
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// now process the queue
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for (uint8 cnt2 = 0; cnt2 < _endOfQueue; cnt2++) {
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if (_fxQueue[cnt2].delay > 0) {
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_fxQueue[cnt2].delay--;
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if (_fxQueue[cnt2].delay == 0)
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playSample(&_fxQueue[cnt2]);
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} else {
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if (!_mixer->isSoundHandleActive(_fxQueue[cnt2].handle)) { // sound finished
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_resMan->resClose(_fxList[_fxQueue[cnt2].id].sampleId);
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if (cnt2 != _endOfQueue-1)
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_fxQueue[cnt2] = _fxQueue[_endOfQueue - 1];
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_endOfQueue--;
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}
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}
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}
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}
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void Sound::fnStopFx(int32 fxNo) {
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_mixer->stopID(fxNo);
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for (uint8 cnt = 0; cnt < _endOfQueue; cnt++)
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if (_fxQueue[cnt].id == (uint32)fxNo) {
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if (!_fxQueue[cnt].delay) // sound was started
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_resMan->resClose(_fxList[_fxQueue[cnt].id].sampleId);
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if (cnt != _endOfQueue-1)
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_fxQueue[cnt] = _fxQueue[_endOfQueue-1];
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_endOfQueue--;
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return ;
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}
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debug(8, "fnStopFx: id not found in queue");
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}
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bool Sound::amISpeaking(void) {
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_waveVolPos++;
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return _waveVolume[_waveVolPos - 1];
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}
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bool Sound::speechFinished(void) {
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return !_mixer->isSoundHandleActive(_speechHandle);
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}
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void Sound::newScreen(uint32 screen) {
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if (_currentCowFile != SwordEngine::_systemVars.currentCD) {
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if (_currentCowFile)
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closeCowSystem();
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initCowSystem();
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}
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// Start the room's looping sounds.
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for (uint16 cnt = 0; cnt < TOTAL_FX_PER_ROOM; cnt++) {
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uint16 fxNo = _roomsFixedFx[screen][cnt];
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if (fxNo) {
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if (_fxList[fxNo].type == FX_LOOP)
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addToQueue(fxNo);
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} else
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break;
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}
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}
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void Sound::quitScreen(void) {
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// stop all running SFX
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while (_endOfQueue)
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fnStopFx(_fxQueue[0].id);
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}
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void Sound::playSample(QueueElement *elem) {
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uint8 *sampleData = (uint8*)_resMan->fetchRes(_fxList[elem->id].sampleId);
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for (uint16 cnt = 0; cnt < MAX_ROOMS_PER_FX; cnt++) {
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if (_fxList[elem->id].roomVolList[cnt].roomNo) {
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if ((_fxList[elem->id].roomVolList[cnt].roomNo == (int)Logic::_scriptVars[SCREEN]) ||
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(_fxList[elem->id].roomVolList[cnt].roomNo == -1)) {
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uint8 volL = (_fxList[elem->id].roomVolList[cnt].leftVol * 10 * _sfxVolL) / 255;
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uint8 volR = (_fxList[elem->id].roomVolList[cnt].rightVol * 10 * _sfxVolR) / 255;
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int8 pan = (volR - volL) / 2;
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uint8 volume = (volR + volL) / 2;
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if (SwordEngine::isPsx()) { ;
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uint32 size = READ_LE_UINT32(sampleData);
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Audio::AudioStream *audStream = new Audio::VagStream(new Common::MemoryReadStream(sampleData + 4, size-4), _fxList[elem->id].type == FX_LOOP);
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_mixer->playInputStream(Audio::Mixer::kSFXSoundType, &elem->handle, audStream, elem->id, volume, pan, false, false, false);
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} else {
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uint32 size = READ_LE_UINT32(sampleData + 0x28);
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uint8 flags;
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if (READ_LE_UINT16(sampleData + 0x22) == 16)
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flags = Audio::Mixer::FLAG_16BITS | Audio::Mixer::FLAG_LITTLE_ENDIAN;
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else
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flags = Audio::Mixer::FLAG_UNSIGNED;
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if (READ_LE_UINT16(sampleData + 0x16) == 2)
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flags |= Audio::Mixer::FLAG_STEREO;
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if (_fxList[elem->id].type == FX_LOOP)
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flags |= Audio::Mixer::FLAG_LOOP;
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_mixer->playRaw(Audio::Mixer::kSFXSoundType, &elem->handle, sampleData + 0x2C, size, 11025, flags, elem->id, volume, pan);
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}
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}
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} else
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break;
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}
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}
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bool Sound::startSpeech(uint16 roomNo, uint16 localNo) {
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if (_cowHeader == NULL) {
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warning("Sound::startSpeech: COW file isn't open");
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return false;
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}
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uint32 locIndex = 0xFFFFFFFF;
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uint32 sampleSize = 0;
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uint32 index = 0;
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if (_cowMode == CowPSX) {
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Common::File file;
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uint16 i;
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if (!file.open("speech.lis")) {
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warning ("Could not open speech.lis");
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return false;
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}
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for (i = 0; !file.eos() && !file.err(); i++)
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if (file.readUint16LE() == roomNo) {
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locIndex = i;
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break;
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}
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file.close();
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if (locIndex == 0xFFFFFFFF) {
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warning ("Could not find room %d in speech.lis", roomNo);
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return false;
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}
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if (!file.open("speech.inf")) {
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warning ("Could not open speech.inf");
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return false;
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}
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uint16 numRooms = file.readUint16LE(); // Read number of rooms referenced in this file
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file.seek(locIndex * 4 + 2); // 4 bytes per room, skip first 2 bytes
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uint16 numLines = file.readUint16LE();
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uint16 roomOffset = file.readUint16LE();
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file.seek(2 + numRooms * 4 + roomOffset * 2); // The offset is in terms of uint16's, so multiply by 2. Skip the room indexes too.
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locIndex = 0xFFFFFFFF;
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for (i = 0; i < numLines; i++)
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if (file.readUint16LE() == localNo) {
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locIndex = i;
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break;
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}
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if (locIndex == 0xFFFFFFFF) {
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warning ("Could not find local number %d in room %d in speech.inf", roomNo, localNo);
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return false;
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}
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file.close();
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index = _cowHeader[(roomOffset + locIndex) * 2];
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sampleSize = _cowHeader[(roomOffset + locIndex) * 2 + 1];
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} else {
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locIndex = _cowHeader[roomNo] >> 2;
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sampleSize = _cowHeader[locIndex + (localNo * 2)];
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index = _cowHeader[locIndex + (localNo * 2) - 1];
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}
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debug(6, "startSpeech(%d, %d): locIndex %d, sampleSize %d, index %d", roomNo, localNo, locIndex, sampleSize, index);
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if (sampleSize) {
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uint8 speechVol = (_speechVolR + _speechVolL) / 2;
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int8 speechPan = (_speechVolR - _speechVolL) / 2;
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if ((_cowMode == CowWave) || (_cowMode == CowDemo)) {
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uint32 size;
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int16 *data = uncompressSpeech(index + _cowHeaderSize, sampleSize, &size);
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if (data)
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_mixer->playRaw(Audio::Mixer::kSpeechSoundType, &_speechHandle, data, size, 11025, SPEECH_FLAGS, SOUND_SPEECH_ID, speechVol, speechPan);
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} else if (_cowMode == CowPSX && sampleSize != 0xffffffff) {
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_cowFile.seek(index * 2048);
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_mixer->playInputStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, new Audio::VagStream(_cowFile.readStream(sampleSize)), SOUND_SPEECH_ID, speechVol, speechPan);
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// with compressed audio, we can't calculate the wave volume.
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// so default to talking.
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for (int cnt = 0; cnt < 480; cnt++)
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_waveVolume[cnt] = true;
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_waveVolPos = 0;
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}
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#ifdef USE_FLAC
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else if (_cowMode == CowFlac) {
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_cowFile.seek(index);
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Common::MemoryReadStream *tmp = _cowFile.readStream(sampleSize);
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assert(tmp);
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_mixer->playInputStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, Audio::makeFlacStream(tmp, true), SOUND_SPEECH_ID, speechVol, speechPan);
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// with compressed audio, we can't calculate the wave volume.
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// so default to talking.
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for (int cnt = 0; cnt < 480; cnt++)
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_waveVolume[cnt] = true;
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_waveVolPos = 0;
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}
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#endif
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#ifdef USE_VORBIS
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else if (_cowMode == CowVorbis) {
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_cowFile.seek(index);
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Common::MemoryReadStream *tmp = _cowFile.readStream(sampleSize);
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assert(tmp);
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_mixer->playInputStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, Audio::makeVorbisStream(tmp, true), SOUND_SPEECH_ID, speechVol, speechPan);
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// with compressed audio, we can't calculate the wave volume.
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// so default to talking.
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for (int cnt = 0; cnt < 480; cnt++)
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_waveVolume[cnt] = true;
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_waveVolPos = 0;
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}
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#endif
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#ifdef USE_MAD
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else if (_cowMode == CowMp3) {
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_cowFile.seek(index);
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Common::MemoryReadStream *tmp = _cowFile.readStream(sampleSize);
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assert(tmp);
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_mixer->playInputStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, Audio::makeMP3Stream(tmp, true), SOUND_SPEECH_ID, speechVol, speechPan);
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// with compressed audio, we can't calculate the wave volume.
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// so default to talking.
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for (int cnt = 0; cnt < 480; cnt++)
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_waveVolume[cnt] = true;
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_waveVolPos = 0;
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}
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#endif
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return true;
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} else
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return false;
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}
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int16 *Sound::uncompressSpeech(uint32 index, uint32 cSize, uint32 *size) {
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uint8 *fBuf = (uint8*)malloc(cSize);
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_cowFile.seek(index);
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_cowFile.read(fBuf, cSize);
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uint32 headerPos = 0;
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// TODO: use loadWAVFromStream to load the WAVE data!
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/*
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int rate, size;
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bye flags;
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Common::MemoryReadStream stream(fBuf, cSize);
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isValidWAV = loadWAVFromStream(stream, size, rate, flags);
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*/
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while ((READ_BE_UINT32(fBuf + headerPos) != 'data') && (headerPos < 100))
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headerPos++;
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if (headerPos < 100) {
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int32 resSize;
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int16 *srcData;
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uint32 srcPos;
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int16 length;
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cSize /= 2;
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headerPos += 4; // skip 'data' tag
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if (_cowMode != CowDemo) {
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resSize = READ_LE_UINT32(fBuf + headerPos) >> 1;
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headerPos += 4;
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} else {
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// the demo speech files have the uncompressed size
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// embedded in the compressed stream *sigh*
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//
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// But not always, apparently. See bug #2182450. Is
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// there any way to figure out the size other than
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// decoding the sound in that case?
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if (fBuf[headerPos + 1] == 0) {
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if (READ_LE_UINT16(fBuf + headerPos) == 1) {
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resSize = READ_LE_UINT16(fBuf + headerPos + 2);
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resSize |= READ_LE_UINT16(fBuf + headerPos + 6) << 16;
|
|
} else
|
|
resSize = READ_LE_UINT32(fBuf + headerPos + 2);
|
|
resSize >>= 1;
|
|
} else {
|
|
resSize = 0;
|
|
srcData = (int16*)fBuf;
|
|
srcPos = headerPos >> 1;
|
|
while (srcPos < cSize) {
|
|
length = (int16)READ_LE_UINT16(srcData + srcPos);
|
|
srcPos++;
|
|
if (length < 0) {
|
|
resSize -= length;
|
|
srcPos++;
|
|
} else {
|
|
resSize += length;
|
|
srcPos += length;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
assert(!(headerPos & 1));
|
|
srcData = (int16*)fBuf;
|
|
srcPos = headerPos >> 1;
|
|
uint32 dstPos = 0;
|
|
int16 *dstData = (int16*)malloc(resSize * 2);
|
|
int32 samplesLeft = resSize;
|
|
while (srcPos < cSize && samplesLeft > 0) {
|
|
length = (int16)(_bigEndianSpeech ? READ_BE_UINT16(srcData + srcPos) : READ_LE_UINT16(srcData + srcPos));
|
|
srcPos++;
|
|
if (length < 0) {
|
|
length = -length;
|
|
if (length > samplesLeft)
|
|
length = samplesLeft;
|
|
int16 value;
|
|
if (_bigEndianSpeech) {
|
|
value = (int16)SWAP_BYTES_16(*((uint16*)(srcData + srcPos)));
|
|
} else {
|
|
value = srcData[srcPos];
|
|
}
|
|
for (uint16 cnt = 0; cnt < (uint16)length; cnt++)
|
|
dstData[dstPos++] = value;
|
|
srcPos++;
|
|
} else {
|
|
if (length > samplesLeft)
|
|
length = samplesLeft;
|
|
if (_bigEndianSpeech) {
|
|
for (uint16 cnt = 0; cnt < (uint16)length; cnt++)
|
|
dstData[dstPos++] = (int16)SWAP_BYTES_16(*((uint16*)(srcData + (srcPos++))));
|
|
} else {
|
|
memcpy(dstData + dstPos, srcData + srcPos, length * 2);
|
|
dstPos += length;
|
|
srcPos += length;
|
|
}
|
|
}
|
|
samplesLeft -= length;
|
|
}
|
|
if (samplesLeft > 0) {
|
|
memset(dstData + dstPos, 0, samplesLeft * 2);
|
|
}
|
|
if (_cowMode == CowDemo) // demo has wave output size embedded in the compressed data
|
|
*(uint32*)dstData = 0;
|
|
free(fBuf);
|
|
*size = resSize * 2;
|
|
calcWaveVolume(dstData, resSize);
|
|
return dstData;
|
|
} else {
|
|
free(fBuf);
|
|
warning("Sound::uncompressSpeech(): DATA tag not found in wave header");
|
|
*size = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
void Sound::calcWaveVolume(int16 *data, uint32 length) {
|
|
int16 *blkPos = data + 918;
|
|
uint32 cnt;
|
|
for (cnt = 0; cnt < WAVE_VOL_TAB_LENGTH; cnt++)
|
|
_waveVolume[cnt] = false;
|
|
_waveVolPos = 0;
|
|
for (uint32 blkCnt = 1; blkCnt < length / 918; blkCnt++) {
|
|
if (blkCnt >= WAVE_VOL_TAB_LENGTH) {
|
|
warning("Wave vol tab too small.");
|
|
return;
|
|
}
|
|
int32 average = 0;
|
|
for (cnt = 0; cnt < 918; cnt++)
|
|
average += blkPos[cnt];
|
|
average /= 918;
|
|
uint32 diff = 0;
|
|
for (cnt = 0; cnt < 918; cnt++) {
|
|
int16 smpDiff = *blkPos - average;
|
|
diff += (uint32)ABS(smpDiff);
|
|
blkPos++;
|
|
}
|
|
if (diff > WAVE_VOL_THRESHOLD)
|
|
_waveVolume[blkCnt - 1] = true;
|
|
}
|
|
}
|
|
|
|
void Sound::stopSpeech(void) {
|
|
_mixer->stopID(SOUND_SPEECH_ID);
|
|
}
|
|
|
|
void Sound::initCowSystem(void) {
|
|
char cowName[25];
|
|
/* look for speech1/2.clu in the data dir
|
|
and speech/speech.clu (running from cd or using cd layout)
|
|
*/
|
|
#ifdef USE_FLAC
|
|
if (!_cowFile.isOpen()) {
|
|
sprintf(cowName, "SPEECH%d.CLF", SwordEngine::_systemVars.currentCD);
|
|
_cowFile.open(cowName);
|
|
if (_cowFile.isOpen()) {
|
|
debug(1, "Using Flac compressed Speech Cluster");
|
|
_cowMode = CowFlac;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef USE_VORBIS
|
|
if (!_cowFile.isOpen()) {
|
|
sprintf(cowName, "SPEECH%d.CLV", SwordEngine::_systemVars.currentCD);
|
|
_cowFile.open(cowName);
|
|
if (_cowFile.isOpen()) {
|
|
debug(1, "Using Vorbis compressed Speech Cluster");
|
|
_cowMode = CowVorbis;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef USE_MAD
|
|
if (!_cowFile.isOpen()) {
|
|
sprintf(cowName, "SPEECH%d.CL3", SwordEngine::_systemVars.currentCD);
|
|
_cowFile.open(cowName);
|
|
if (_cowFile.isOpen()) {
|
|
debug(1, "Using MP3 compressed Speech Cluster");
|
|
_cowMode = CowMp3;
|
|
}
|
|
}
|
|
#endif
|
|
if (!_cowFile.isOpen()) {
|
|
sprintf(cowName, "SPEECH%d.CLU", SwordEngine::_systemVars.currentCD);
|
|
_cowFile.open(cowName);
|
|
if (!_cowFile.isOpen()) {
|
|
_cowFile.open("speech.clu");
|
|
}
|
|
debug(1, "Using uncompressed Speech Cluster");
|
|
_cowMode = CowWave;
|
|
}
|
|
|
|
if (SwordEngine::isPsx()) {
|
|
// There's only one file on the PSX, so set it to the current disc.
|
|
_currentCowFile = SwordEngine::_systemVars.currentCD;
|
|
if (!_cowFile.isOpen()) {
|
|
if (!_cowFile.open("speech.dat"))
|
|
error ("Could not open speech.dat");
|
|
_cowMode = CowPSX;
|
|
}
|
|
}
|
|
|
|
if (!_cowFile.isOpen())
|
|
_cowFile.open("speech.clu");
|
|
|
|
if (!_cowFile.isOpen()) {
|
|
_cowFile.open("cows.mad");
|
|
if (_cowFile.isOpen())
|
|
_cowMode = CowDemo;
|
|
}
|
|
|
|
if (_cowFile.isOpen()) {
|
|
if (SwordEngine::isPsx()) {
|
|
// Get data from the external table file
|
|
Common::File tableFile;
|
|
if (!tableFile.open("speech.tab"))
|
|
error ("Could not open speech.tab");
|
|
_cowHeaderSize = tableFile.size();
|
|
_cowHeader = (uint32 *)malloc(_cowHeaderSize);
|
|
if (_cowHeaderSize & 3)
|
|
error("Unexpected cow header size %d", _cowHeaderSize);
|
|
for (uint32 cnt = 0; cnt < _cowHeaderSize / 4; cnt++)
|
|
_cowHeader[cnt] = tableFile.readUint32LE();
|
|
} else {
|
|
_cowHeaderSize = _cowFile.readUint32LE();
|
|
_cowHeader = (uint32*)malloc(_cowHeaderSize);
|
|
if (_cowHeaderSize & 3)
|
|
error("Unexpected cow header size %d", _cowHeaderSize);
|
|
for (uint32 cnt = 0; cnt < (_cowHeaderSize / 4) - 1; cnt++)
|
|
_cowHeader[cnt] = _cowFile.readUint32LE();
|
|
_currentCowFile = SwordEngine::_systemVars.currentCD;
|
|
}
|
|
} else
|
|
warning("Sound::initCowSystem: Can't open SPEECH%d.CLU", SwordEngine::_systemVars.currentCD);
|
|
}
|
|
|
|
void Sound::closeCowSystem(void) {
|
|
_cowFile.close();
|
|
free(_cowHeader);
|
|
_cowHeader = NULL;
|
|
_currentCowFile = 0;
|
|
}
|
|
|
|
} // End of namespace Sword1
|