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/* 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 "sound.h"
#include "common/util.h"
#include "resman.h"
#include "logic.h"
#define SOUND_SPEECH_ID 1
#define SPEECH_FLAGS (SoundMixer::FLAG_16BITS | SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_LITTLE_ENDIAN)
SwordSound::SwordSound(const char *searchPath, SoundMixer *mixer, ResMan *pResMan) {
strcpy(_filePath, searchPath);
_mixer = mixer;
_resMan = pResMan;
_cowHeader = NULL;
initCowSystem();
_endOfQueue = 0;
}
int SwordSound::addToQueue(int32 fxNo) {
bool alreadyInQueue = false;
for (uint8 cnt = 0; (cnt < _endOfQueue) && (!alreadyInQueue); cnt++)
if (_fxQueue[cnt].id == (uint32)fxNo)
alreadyInQueue = true;
if (!alreadyInQueue) {
if (_endOfQueue == MAX_FXQ_LENGTH)
error("Sound queue overflow");
_resMan->resOpen(_fxList[fxNo].sampleId);
_fxQueue[_endOfQueue].id = fxNo;
if (_fxList[fxNo].type == FX_SPOT)
_fxQueue[_endOfQueue].delay = _fxList[fxNo].delay + 1;
else
_fxQueue[_endOfQueue].delay = 1;
_endOfQueue++;
return 1;
}
return 0;
}
void SwordSound::engine(void) {
// first of all, add any random sfx to the queue...
for (uint16 cnt = 0; cnt < TOTAL_FX_PER_ROOM; cnt++) {
uint16 fxNo = _roomsFixedFx[SwordLogic::_scriptVars[SCREEN]][cnt];
if (fxNo) {
if (_fxList[fxNo].type == FX_RANDOM) {
if (_rnd.getRandomNumber(_fxList[fxNo].delay) == 0)
addToQueue(fxNo);
}
} else
break;
}
// now process the queue
for (uint8 cnt = 0; cnt < _endOfQueue; cnt++) {
if (_fxQueue[cnt].delay > 0) {
_fxQueue[cnt].delay--;
if (_fxQueue[cnt].delay == 0)
playSample(_fxQueue[cnt]);
} else {
if (!_fxQueue[cnt].handle) { // sound finished
_resMan->resClose(_fxQueue[cnt].id);
if (cnt != _endOfQueue-1)
_fxQueue[cnt] = _fxQueue[_endOfQueue - 1];
_endOfQueue--;
}
}
}
}
bool SwordSound::amISpeaking(void) {
return true;
}
void SwordSound::clearAllFx(void) {
warning("Stub: SwordSound::clearAllFx()");
}
void SwordSound::closeCowSysten(void) {
warning("stub: SwordSound::closeCowSystem()");
}
void SwordSound::fnStopFx(int32 fxNo) {
warning("stub: SwordSound::fnStopFx(%d)", fxNo);
}
bool SwordSound::speechFinished(void) {
//warning("stub: SwordSound::speechFinished()");
//return true;
return (_speechHandle == 0);
}
void SwordSound::startFxForScreen(uint16 screen) { // do we need this?
warning("stub: SwordSound::startFxForScreen(%d)", screen);
}
void SwordSound::playSample(QueueElement elem) {
uint8 *sampleData = (uint8*)_resMan->fetchRes(_fxList[elem.id].sampleId);
for (uint16 cnt = 0; cnt < MAX_ROOMS_PER_FX; cnt++) {
if (_fxList[elem.id].roomVolList[cnt].roomNo) {
if ((_fxList[elem.id].roomVolList[cnt].roomNo == (int)SwordLogic::_scriptVars[SCREEN]) ||
(_fxList[elem.id].roomVolList[cnt].roomNo == -1)) {
uint8 volL = _fxList[elem.id].roomVolList[cnt].leftVol * 10;
uint8 volR = _fxList[elem.id].roomVolList[cnt].rightVol * 10;
int8 pan = (volR - volL) / 2;
uint8 volume = (volR + volL) / 2;
uint32 size = READ_LE_UINT32(sampleData + 0x28);
uint8 flags;
if (READ_LE_UINT16(sampleData + 0x22) == 16)
flags = SoundMixer::FLAG_16BITS | SoundMixer::FLAG_LITTLE_ENDIAN;
else
flags = SoundMixer::FLAG_UNSIGNED;
_mixer->playRaw(&elem.handle, sampleData + 0x2C, size, 11025, flags, elem.id, volume, pan);
}
} else
break;
}
}
uint32 SwordSound::uncompressedSize(uint8 *data) {
return READ_LE_UINT32(data + 0x28);
}
bool SwordSound::startSpeech(uint16 roomNo, uint16 localNo) {
if (_cowHeader == NULL) {
warning("SwordSound::startSpeech: COW file isn't open!");
return false;
}
uint32 locIndex = _cowHeader[roomNo] >> 2;
uint32 sampleSize = _cowHeader[locIndex + (localNo * 2)];
uint32 index = _cowHeader[locIndex + (localNo * 2) - 1];
debug(4, "startSpeech(%d, %d): locIndex %d, sampleSize %d, index %d", roomNo, localNo, locIndex, sampleSize, index);
if (sampleSize) {
_cowFile.seek(index + _cowHeaderSize);
uint8 *buf = (uint8*)malloc(sampleSize);
_cowFile.read(buf, sampleSize);
uint8 *smpBuf = (uint8*)malloc(uncompressedSize(buf));
uint32 size = expandSpeech(buf, smpBuf, sampleSize);
free(buf);
if (!size) {
free(smpBuf);
return false;
}
_mixer->playRaw(&_speechHandle, smpBuf, size, 11025, SPEECH_FLAGS, SOUND_SPEECH_ID);
return true;
} else
return false;
}
uint32 SwordSound::expandSpeech(void *src, void *dest, uint32 srcSize) {
int16 *compData = (int16*)src;
if (READ_BE_UINT32(compData + 0x12) != 'data') {
warning("SwordSound::expandSpeech: 'data' tag not found in wave header");
return 0;
}
srcSize >>= 1;
int16 *expData = (int16*)dest;
compData += 0x16;
srcSize -= 0x16;
uint32 srcPos = 0;
while (srcPos < srcSize) {
if (compData[srcPos] < 0) {
uint16 len = (uint16)(-compData[srcPos]);
for (uint32 cnt = 0; cnt < len; cnt++)
*expData++ = compData[srcPos + 1];
srcPos += 2;
} else {
uint32 len = (uint32)compData[srcPos];
memcpy(expData, compData + srcPos + 1, len * 2);
expData += len;
srcPos += len + 1;
}
}
return (uint8*)expData - (uint8*)dest;
}
void SwordSound::stopSpeech(void) {
_mixer->stopID(SOUND_SPEECH_ID);
}
void SwordSound::initCowSystem(void) {
_cowFile.open("SPEECH.CLU");
if (_cowFile.isOpen() == false)
_cowFile.open("speech/SPEECH.CLU");
if (_cowFile.isOpen()) {
_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();
} else
warning("SwordSound::initCowSystem: Can't open SPEECH.CLU");
}
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