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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
// Resource library
#include "common/archive.h"
#include "common/file.h"
#include "common/textconsole.h"
#include "common/memstream.h"
#include "sci/resource.h"
#include "sci/resource_intern.h"
#include "sci/util.h"
namespace Sci {
AudioVolumeResourceSource::AudioVolumeResourceSource(ResourceManager *resMan, const Common::String &name, ResourceSource *map, int volNum)
: VolumeResourceSource(name, map, volNum, kSourceAudioVolume) {
_audioCompressionType = 0;
_audioCompressionOffsetMapping = NULL;
/*
* Check if this audio volume got compressed by our tool. If that is the
* case, set _audioCompressionType and read in the offset translation
* table for later usage.
*/
Common::SeekableReadStream *fileStream = getVolumeFile(resMan, 0);
if (!fileStream)
return;
fileStream->seek(0, SEEK_SET);
uint32 compressionType = fileStream->readUint32BE();
switch (compressionType) {
case MKTAG('M','P','3',' '):
case MKTAG('O','G','G',' '):
case MKTAG('F','L','A','C'):
// Detected a compressed audio volume
_audioCompressionType = compressionType;
// Now read the whole offset mapping table for later usage
int32 recordCount = fileStream->readUint32LE();
if (!recordCount)
error("compressed audio volume doesn't contain any entries");
int32 *offsetMapping = new int32[(recordCount + 1) * 2];
_audioCompressionOffsetMapping = offsetMapping;
for (int recordNo = 0; recordNo < recordCount; recordNo++) {
*offsetMapping++ = fileStream->readUint32LE();
*offsetMapping++ = fileStream->readUint32LE();
}
// Put ending zero
*offsetMapping++ = 0;
*offsetMapping++ = fileStream->size();
}
if (_resourceFile)
delete fileStream;
}
AudioVolumeResourceSource::~AudioVolumeResourceSource() {
delete[] _audioCompressionOffsetMapping;
}
bool Resource::loadFromWaveFile(Common::SeekableReadStream *file) {
byte *ptr = new byte[_size];
_data = ptr;
uint32 bytesRead = file->read(ptr, _size);
if (bytesRead != _size)
error("Read %d bytes from %s but expected %u", bytesRead, _id.toString().c_str(), _size);
_status = kResStatusAllocated;
return true;
}
bool Resource::loadFromAudioVolumeSCI11(Common::SeekableReadStream *file) {
// Check for WAVE files here
uint32 riffTag = file->readUint32BE();
if (riffTag == MKTAG('R','I','F','F')) {
_headerSize = 0;
_size = file->readUint32LE() + 8;
file->seek(-8, SEEK_CUR);
return loadFromWaveFile(file);
}
file->seek(-4, SEEK_CUR);
// Rave-resources (King's Quest 6) don't have any header at all
if (getType() != kResourceTypeRave) {
ResourceType type = _resMan->convertResType(file->readByte());
if (((getType() == kResourceTypeAudio || getType() == kResourceTypeAudio36) && (type != kResourceTypeAudio))
|| ((getType() == kResourceTypeSync || getType() == kResourceTypeSync36) && (type != kResourceTypeSync))) {
warning("Resource type mismatch loading %s", _id.toString().c_str());
unalloc();
return false;
}
_headerSize = file->readByte();
if (type == kResourceTypeAudio) {
if (_headerSize != 7 && _headerSize != 11 && _headerSize != 12) {
warning("Unsupported audio header size %d", _headerSize);
unalloc();
return false;
}
if (_headerSize != 7) { // Size is defined already from the map
// Load sample size
file->seek(7, SEEK_CUR);
_size = file->readUint32LE();
assert(!file->err() && !file->eos());
// Adjust offset to point at the header data again
file->seek(-11, SEEK_CUR);
}
}
}
return loadPatch(file);
}
bool Resource::loadFromAudioVolumeSCI1(Common::SeekableReadStream *file) {
byte *ptr = new byte[size()];
_data = ptr;
if (!ptr) {
error("Can't allocate %u bytes needed for loading %s", _size, _id.toString().c_str());
}
uint32 bytesRead = file->read(ptr, size());
if (bytesRead != size())
warning("Read %d bytes from %s but expected %u", bytesRead, _id.toString().c_str(), _size);
_status = kResStatusAllocated;
return true;
}
void ResourceManager::addNewGMPatch(SciGameId gameId) {
Common::String gmPatchFile;
switch (gameId) {
case GID_ECOQUEST:
gmPatchFile = "ECO1GM.PAT";
break;
case GID_HOYLE3:
gmPatchFile = "HOY3GM.PAT";
break;
case GID_LSL1:
gmPatchFile = "LL1_GM.PAT";
break;
case GID_LSL5:
gmPatchFile = "LL5_GM.PAT";
break;
case GID_LONGBOW:
gmPatchFile = "ROBNGM.PAT";
break;
case GID_SQ1:
gmPatchFile = "SQ1_GM.PAT";
break;
case GID_SQ4:
gmPatchFile = "SQ4_GM.PAT";
break;
case GID_FAIRYTALES:
gmPatchFile = "TALEGM.PAT";
break;
default:
break;
}
if (!gmPatchFile.empty() && Common::File::exists(gmPatchFile)) {
ResourceSource *psrcPatch = new PatchResourceSource(gmPatchFile);
processPatch(psrcPatch, kResourceTypePatch, 4);
}
}
void ResourceManager::processWavePatch(ResourceId resourceId, Common::String name) {
ResourceSource *resSrc = new WaveResourceSource(name);
Common::File file;
file.open(name);
updateResource(resourceId, resSrc, file.size());
_sources.push_back(resSrc);
debugC(1, kDebugLevelResMan, "Patching %s - OK", name.c_str());
}
void ResourceManager::readWaveAudioPatches() {
// Here we do check for SCI1.1+ so we can patch wav files in as audio resources
Common::ArchiveMemberList files;
SearchMan.listMatchingMembers(files, "*.wav");
for (Common::ArchiveMemberList::const_iterator x = files.begin(); x != files.end(); ++x) {
Common::String name = (*x)->getName();
if (Common::isDigit(name[0]))
processWavePatch(ResourceId(kResourceTypeAudio, atoi(name.c_str())), name);
}
}
void ResourceManager::removeAudioResource(ResourceId resId) {
// Remove resource, unless it was loaded from a patch
if (_resMap.contains(resId)) {
Resource *res = _resMap.getVal(resId);
if (res->_source->getSourceType() == kSourceAudioVolume) {
if (res->_status == kResStatusLocked) {
warning("Failed to remove resource %s (still in use)", resId.toString().c_str());
} else {
if (res->_status == kResStatusEnqueued)
removeFromLRU(res);
_resMap.erase(resId);
delete res;
}
}
}
}
// Early SCI1.1 65535.MAP structure (uses RESOURCE.AUD):
// =========
// 6-byte entries:
// w nEntry
// dw offset
// Late SCI1.1 65535.MAP structure (uses RESOURCE.SFX):
// =========
// 5-byte entries:
// w nEntry
// tb offset (cumulative)
// QFG3 Demo 0.MAP structure:
// =========
// 10-byte entries:
// w nEntry
// dw offset
// dw size
// LB2 Floppy/Mother Goose SCI1.1 0.MAP structure:
// =========
// 8-byte entries:
// w nEntry
// w 0xffff
// dw offset
// Early SCI1.1 MAP structure:
// ===============
// 10-byte entries:
// b noun
// b verb
// b cond
// b seq
// dw offset
// w syncSize + syncAscSize
// Late SCI1.1 MAP structure:
// ===============
// Header:
// dw baseOffset
// Followed by 7 or 11-byte entries:
// b noun
// b verb
// b cond
// b seq
// tb cOffset (cumulative offset)
// w syncSize (iff seq has bit 7 set)
// w syncAscSize (iff seq has bit 6 set)
int ResourceManager::readAudioMapSCI11(IntMapResourceSource *map) {
#ifndef ENABLE_SCI32
// SCI32 support is not built in. Check if this is a SCI32 game
// and if it is abort here.
if (_volVersion >= kResVersionSci2)
return SCI_ERROR_RESMAP_NOT_FOUND;
#endif
uint32 offset = 0;
Resource *mapRes = findResource(ResourceId(kResourceTypeMap, map->_mapNumber), false);
if (!mapRes) {
warning("Failed to open %i.MAP", map->_mapNumber);
return SCI_ERROR_RESMAP_NOT_FOUND;
}
ResourceSource *src = findVolume(map, map->_volumeNumber);
if (!src) {
warning("Failed to find volume for %i.MAP", map->_mapNumber);
return SCI_ERROR_NO_RESOURCE_FILES_FOUND;
}
const uint32 srcSize = getVolumeFile(src)->size();
SciSpan<const byte>::const_iterator ptr = mapRes->cbegin();
// Heuristic to detect entry size
uint32 entrySize = 0;
for (int i = mapRes->size() - 1; i >= 0; --i) {
if (ptr[i] == 0xff)
entrySize++;
else
break;
}
if (map->_mapNumber == 65535) {
while (ptr != mapRes->cend()) {
uint16 n = ptr.getUint16LE();
ptr += 2;
if (n == 0xffff)
break;
if (entrySize == 6) {
offset = ptr.getUint32LE();
ptr += 4;
} else {
offset += ptr.getUint24LE();
ptr += 3;
}
assert(offset < srcSize);
addResource(ResourceId(kResourceTypeAudio, n), src, offset);
}
} else if (map->_mapNumber == 0 && entrySize == 10 && ptr[3] == 0) {
// QFG3 demo format
// ptr[3] would be 'seq' in the normal format and cannot possibly be 0
while (ptr != mapRes->cend()) {
uint16 n = ptr.getUint16BE();
ptr += 2;
if (n == 0xffff)
break;
offset = ptr.getUint32LE();
ptr += 4;
uint32 size = ptr.getUint32LE();
ptr += 4;
assert(offset + size <= srcSize);
addResource(ResourceId(kResourceTypeAudio, n), src, offset, size);
}
} else if (map->_mapNumber == 0 && entrySize == 8 && (ptr + 2).getUint16LE() == 0xffff) {
// LB2 Floppy/Mother Goose SCI1.1 format
Common::SeekableReadStream *stream = getVolumeFile(src);
while (ptr != mapRes->cend()) {
uint16 n = ptr.getUint16LE();
ptr += 4;
if (n == 0xffff)
break;
offset = ptr.getUint32LE();
ptr += 4;
// The size is not stored in the map and the entries have no order.
// We need to dig into the audio resource in the volume to get the size.
stream->seek(offset + 1);
byte headerSize = stream->readByte();
assert(headerSize == 11 || headerSize == 12);
stream->skip(7);
uint32 size = stream->readUint32LE() + headerSize + 2;
assert(offset + size <= srcSize);
addResource(ResourceId(kResourceTypeAudio, n), src, offset, size);
}
} else {
bool isEarly = (entrySize != 11);
if (!isEarly) {
offset = ptr.getUint32LE();
ptr += 4;
}
while (ptr != mapRes->cend()) {
uint32 n = ptr.getUint32BE();
int syncSize = 0;
ptr += 4;
if (n == 0xffffffff)
break;
if (isEarly) {
offset = ptr.getUint32LE();
ptr += 4;
} else {
offset += ptr.getUint24LE();
ptr += 3;
}
if (isEarly || (n & 0x80)) {
syncSize = ptr.getUint16LE();
ptr += 2;
// FIXME: The sync36 resource seems to be two bytes too big in KQ6CD
// (bytes taken from the RAVE resource right after it)
if (syncSize > 0) {
assert(offset + syncSize <= srcSize);
addResource(ResourceId(kResourceTypeSync36, map->_mapNumber, n & 0xffffff3f), src, offset, syncSize);
}
}
// Checking for this 0x40 flag breaks at least Laura Bow 2 CD 1.1
// map 448
if (g_sci->getGameId() == GID_KQ6 && (n & 0x40)) {
// This seems to define the size of raw lipsync data (at least
// in KQ6 CD Windows).
int kq6HiresSyncSize = ptr.getUint16LE();
ptr += 2;
if (kq6HiresSyncSize > 0) {
assert(offset + syncSize + kq6HiresSyncSize <= srcSize);
addResource(ResourceId(kResourceTypeRave, map->_mapNumber, n & 0xffffff3f), src, offset + syncSize, kq6HiresSyncSize);
syncSize += kq6HiresSyncSize;
}
}
const ResourceId id = ResourceId(kResourceTypeAudio36, map->_mapNumber, n & 0xffffff3f);
// At least version 1.00 of GK2 has multiple invalid audio36 map
// entries on CD 6
if (g_sci->getGameId() == GID_GK2 &&
map->_volumeNumber == 6 &&
offset + syncSize >= srcSize) {
debugC(kDebugLevelResMan, "Invalid offset %u for %s in map %d for disc %d", offset + syncSize, id.toPatchNameBase36().c_str(), map->_mapNumber, map->_volumeNumber);
continue;
}
assert(offset + syncSize < srcSize);
addResource(id, src, offset + syncSize);
}
}
return 0;
}
// AUDIOnnn.MAP contains 10-byte entries:
// Early format:
// w 5 bits resource type and 11 bits resource number
// dw 7 bits volume number and 25 bits offset
// dw size
// Later format:
// w nEntry
// dw offset+volume (as in resource.map)
// dw size
// ending with 10 0xFFs
int ResourceManager::readAudioMapSCI1(ResourceSource *map, bool unload) {
Common::File file;
if (!file.open(map->getLocationName()))
return SCI_ERROR_RESMAP_NOT_FOUND;
bool oldFormat = (file.readUint16LE() >> 11) == kResourceTypeAudio;
file.seek(0);
uint32 volumeSize;
int lastVolumeNo = -1;
for (;;) {
uint16 n = file.readUint16LE();
uint32 offset = file.readUint32LE();
uint32 size = file.readUint32LE();
if (file.eos() || file.err()) {
warning("Error while reading %s", map->getLocationName().c_str());
return SCI_ERROR_RESMAP_NOT_FOUND;
}
if (n == 0xffff)
break;
byte volume_nr;
if (oldFormat) {
n &= 0x07ff; // Mask out resource type
volume_nr = offset >> 25; // most significant 7 bits
offset &= 0x01ffffff; // least significant 25 bits
} else {
volume_nr = offset >> 28; // most significant 4 bits
offset &= 0x0fffffff; // least significant 28 bits
}
ResourceSource *src = findVolume(map, volume_nr);
if (src) {
if (volume_nr != lastVolumeNo) {
volumeSize = getVolumeFile(src)->size();
lastVolumeNo = volume_nr;
}
if (unload)
removeAudioResource(ResourceId(kResourceTypeAudio, n));
else {
assert(offset + size <= volumeSize);
addResource(ResourceId(kResourceTypeAudio, n), src, offset, size);
}
} else {
warning("Failed to find audio volume %i", volume_nr);
}
}
return 0;
}
void ResourceManager::setAudioLanguage(int language) {
if (_audioMapSCI1) {
if (_audioMapSCI1->_volumeNumber == language) {
// This language is already loaded
return;
}
// We already have a map loaded, so we unload it first
readAudioMapSCI1(_audioMapSCI1, true);
// Remove all volumes that use this map from the source list
Common::List<ResourceSource *>::iterator it = _sources.begin();
while (it != _sources.end()) {
ResourceSource *src = *it;
if (src->findVolume(_audioMapSCI1, src->_volumeNumber)) {
it = _sources.erase(it);
delete src;
} else {
++it;
}
}
// Remove the map itself from the source list
_sources.remove(_audioMapSCI1);
delete _audioMapSCI1;
_audioMapSCI1 = NULL;
}
Common::String filename = Common::String::format("AUDIO%03d", language);
Common::String fullname = filename + ".MAP";
if (!Common::File::exists(fullname)) {
warning("No audio map found for language %i", language);
return;
}
_audioMapSCI1 = addSource(new ExtAudioMapResourceSource(fullname, language));
// Search for audio volumes for this language and add them to the source list
Common::ArchiveMemberList files;
SearchMan.listMatchingMembers(files, filename + ".0??");
for (Common::ArchiveMemberList::const_iterator x = files.begin(); x != files.end(); ++x) {
const Common::String name = (*x)->getName();
const char *dot = strrchr(name.c_str(), '.');
int number = atoi(dot + 1);
addSource(new AudioVolumeResourceSource(this, name, _audioMapSCI1, number));
}
scanNewSources();
}
int ResourceManager::getAudioLanguage() const {
return (_audioMapSCI1 ? _audioMapSCI1->_volumeNumber : 0);
}
bool ResourceManager::isGMTrackIncluded() {
// This check only makes sense for SCI1 and newer games
if (getSciVersion() < SCI_VERSION_1_EARLY)
return false;
// SCI2 and newer games always have GM tracks
if (getSciVersion() >= SCI_VERSION_2)
return true;
// For the leftover games, we can safely use SCI_VERSION_1_EARLY for the soundVersion
const SciVersion soundVersion = SCI_VERSION_1_EARLY;
// Read the first song and check if it has a GM track
bool result = false;
Common::List<ResourceId> resources = listResources(kResourceTypeSound, -1);
Common::sort(resources.begin(), resources.end());
Common::List<ResourceId>::iterator itr = resources.begin();
int firstSongId = itr->getNumber();
SoundResource *song1 = new SoundResource(firstSongId, this, soundVersion);
if (!song1) {
warning("ResourceManager::isGMTrackIncluded: track 1 not found");
return false;
}
SoundResource::Track *gmTrack = song1->getTrackByType(0x07);
if (gmTrack)
result = true;
delete song1;
return result;
}
SoundResource::SoundResource(uint32 resourceNr, ResourceManager *resMan, SciVersion soundVersion) : _resMan(resMan), _soundVersion(soundVersion) {
Resource *resource = _resMan->findResource(ResourceId(kResourceTypeSound, resourceNr), true);
int trackNr, channelNr;
if (!resource)
return;
_innerResource = resource;
_soundPriority = 0xFF;
Channel *channel, *sampleChannel;
switch (_soundVersion) {
case SCI_VERSION_0_EARLY:
case SCI_VERSION_0_LATE:
// SCI0 only has a header of 0x11/0x21 byte length and the actual midi track follows afterwards
_trackCount = 1;
_tracks = new Track[_trackCount];
_tracks->digitalChannelNr = -1;
_tracks->type = 0; // Not used for SCI0
_tracks->channelCount = 1;
// Digital sample data included? -> Add an additional channel
if (resource->getUint8At(0) == 2)
_tracks->channelCount++;
_tracks->channels = new Channel[_tracks->channelCount];
channel = &_tracks->channels[0];
channel->flags |= 2; // don't remap (SCI0 doesn't have remapping)
if (_soundVersion == SCI_VERSION_0_EARLY) {
channel->data = resource->subspan(0x11);
} else {
channel->data = resource->subspan(0x21);
}
if (_tracks->channelCount == 2) {
// Digital sample data included
_tracks->digitalChannelNr = 1;
sampleChannel = &_tracks->channels[1];
// we need to find 0xFC (channel terminator) within the data
SciSpan<const byte>::const_iterator it = channel->data.cbegin();
while (it != channel->data.cend() && *it != 0xfc)
it++;
// Skip any following 0xFCs as well
while (it != channel->data.cend() && *it == 0xfc)
it++;
// Now adjust channels accordingly
sampleChannel->data = channel->data.subspan(it - channel->data.cbegin());
channel->data = channel->data.subspan(0, it - channel->data.cbegin());
// Read sample header information
//Offset 14 in the header contains the frequency as a short integer. Offset 32 contains the sample length, also as a short integer.
_tracks->digitalSampleRate = sampleChannel->data.getUint16LEAt(14);
_tracks->digitalSampleSize = sampleChannel->data.getUint16LEAt(32);
_tracks->digitalSampleStart = 0;
_tracks->digitalSampleEnd = 0;
sampleChannel->data += 44; // Skip over header
}
break;
case SCI_VERSION_1_EARLY:
case SCI_VERSION_1_LATE:
case SCI_VERSION_2_1_EARLY: {
SciSpan<const byte> data = *resource;
// Count # of tracks
_trackCount = 0;
while ((*data++) != 0xFF) {
_trackCount++;
while (*data != 0xFF)
data += 6;
++data;
}
_tracks = new Track[_trackCount];
data = *resource;
byte channelCount;
for (trackNr = 0; trackNr < _trackCount; trackNr++) {
// Track info starts with track type:BYTE
// Then the channel information gets appended Unknown:WORD, ChannelOffset:WORD, ChannelSize:WORD
// 0xFF:BYTE as terminator to end that track and begin with another track type
// Track type 0xFF is the marker signifying the end of the tracks
_tracks[trackNr].type = *data++;
// Counting # of channels used
SciSpan<const byte> data2 = data;
channelCount = 0;
while (*data2 != 0xFF) {
data2 += 6;
channelCount++;
_tracks[trackNr].channelCount++;
}
_tracks[trackNr].channels = new Channel[channelCount];
_tracks[trackNr].channelCount = 0;
_tracks[trackNr].digitalChannelNr = -1; // No digital sound associated
_tracks[trackNr].digitalSampleRate = 0;
_tracks[trackNr].digitalSampleSize = 0;
_tracks[trackNr].digitalSampleStart = 0;
_tracks[trackNr].digitalSampleEnd = 0;
if (_tracks[trackNr].type != 0xF0) { // Digital track marker - not supported currently
channelNr = 0;
while (channelCount--) {
channel = &_tracks[trackNr].channels[channelNr];
const uint16 dataOffset = data.getUint16LEAt(2);
if (dataOffset >= resource->size()) {
warning("Invalid offset inside sound resource %d: track %d, channel %d", resourceNr, trackNr, channelNr);
data += 6;
continue;
}
uint16 size = data.getUint16LEAt(4);
if (dataOffset + size > resource->size()) {
warning("Invalid size inside sound resource %d: track %d, channel %d", resourceNr, trackNr, channelNr);
size = resource->size() - dataOffset;
}
channel->data = resource->subspan(dataOffset, size);
channel->curPos = 0;
channel->number = channel->data[0];
channel->poly = channel->data[1] & 0x0F;
channel->prio = channel->data[1] >> 4;
channel->time = channel->prev = 0;
channel->data += 2; // skip over header
if (channel->number == 0xFE) { // Digital channel
_tracks[trackNr].digitalChannelNr = channelNr;
_tracks[trackNr].digitalSampleRate = channel->data.getUint16LEAt(0);
_tracks[trackNr].digitalSampleSize = channel->data.getUint16LEAt(2);
_tracks[trackNr].digitalSampleStart = channel->data.getUint16LEAt(4);
_tracks[trackNr].digitalSampleEnd = channel->data.getUint16LEAt(6);
channel->data += 8; // Skip over header
channel->flags = 0;
} else {
channel->flags = channel->number >> 4;
channel->number = channel->number & 0x0F;
// 0x20 is set on rhythm channels to prevent remapping
// CHECKME: Which SCI versions need that set manually?
if (channel->number == 9)
channel->flags |= 2;
// Note: flag 1: channel start offset is 0 instead of 10
// (currently: everything 0)
// also: don't map the channel to device
// flag 2: don't remap
// flag 4: start muted
// QfG2 lacks flags 2 and 4, and uses (flags >= 1) as
// the condition for starting offset 0, without the "don't map"
}
_tracks[trackNr].channelCount++;
channelNr++;
data += 6;
}
} else {
// The first byte of the 0xF0 track's channel list is priority
_soundPriority = *data;
// Skip over digital track
data += 6;
}
++data; // Skipping 0xFF that closes channels list
}
break;
}
default:
error("SoundResource: SCI version %d is unsupported", _soundVersion);
}
}
SoundResource::~SoundResource() {
for (int trackNr = 0; trackNr < _trackCount; trackNr++)
delete[] _tracks[trackNr].channels;
delete[] _tracks;
_resMan->unlockResource(_innerResource);
}
#if 0
SoundResource::Track* SoundResource::getTrackByNumber(uint16 number) {
if (_soundVersion <= SCI_VERSION_0_LATE)
return &_tracks[0];
if (/*number >= 0 &&*/number < _trackCount)
return &_tracks[number];
return NULL;
}
#endif
SoundResource::Track *SoundResource::getTrackByType(byte type) {
if (_soundVersion <= SCI_VERSION_0_LATE)
return &_tracks[0];
for (int trackNr = 0; trackNr < _trackCount; trackNr++) {
if (_tracks[trackNr].type == type)
return &_tracks[trackNr];
}
return NULL;
}
SoundResource::Track *SoundResource::getDigitalTrack() {
for (int trackNr = 0; trackNr < _trackCount; trackNr++) {
if (_tracks[trackNr].digitalChannelNr != -1)
return &_tracks[trackNr];
}
return NULL;
}
// Gets the filter mask for SCI0 sound resources
int SoundResource::getChannelFilterMask(int hardwareMask, bool wantsRhythm) {
SciSpan<const byte> data = *_innerResource;
int channelMask = 0;
if (_soundVersion > SCI_VERSION_0_LATE)
return 0;
++data; // Skip over digital sample flag
for (int channelNr = 0; channelNr < 16; channelNr++) {
channelMask = channelMask >> 1;
byte flags;
if (_soundVersion == SCI_VERSION_0_EARLY) {
// Each channel is specified by a single byte
// Upper 4 bits of the byte is a voices count
// Lower 4 bits -> bit 0 set: use for AdLib
// bit 1 set: use for PCjr
// bit 2 set: use for PC speaker
// bit 3 set and bit 0 clear: control channel (15)
// bit 3 set and bit 0 set: rhythm channel (9)
// Note: control channel is dynamically assigned inside the drivers,
// but seems to be fixed at 15 in the song data.
flags = *data++;
// Get device bits
flags &= 0x7;
} else {
// Each channel is specified by 2 bytes
// 1st byte is voices count
// 2nd byte is play mask, which specifies if the channel is supposed to be played
// by the corresponding hardware
// Skip voice count
++data;
flags = *data++;
}
bool play;
switch (channelNr) {
case 15:
// Always play control channel
play = true;
break;
case 9:
// Play rhythm channel when requested
play = wantsRhythm;
break;
default:
// Otherwise check for flag
play = flags & hardwareMask;
}
if (play) {
// This Channel is supposed to be played by the hardware
channelMask |= 0x8000;
}
}
return channelMask;
}
byte SoundResource::getInitialVoiceCount(byte channel) {
if (_soundVersion > SCI_VERSION_0_LATE)
return 0; // TODO
// Skip over digital sample flag
SciSpan<const byte> data = _innerResource->subspan(1);
if (_soundVersion == SCI_VERSION_0_EARLY)
return data[channel] >> 4;
else
return data[channel * 2];
}
void WaveResourceSource::loadResource(ResourceManager *resMan, Resource *res) {
Common::SeekableReadStream *fileStream = getVolumeFile(resMan, res);
if (!fileStream)
return;
assert(fileStream->size() == -1 || res->_fileOffset < fileStream->size());
fileStream->seek(res->_fileOffset, SEEK_SET);
res->loadFromWaveFile(fileStream);
if (_resourceFile)
delete fileStream;
}
void AudioVolumeResourceSource::loadResource(ResourceManager *resMan, Resource *res) {
Common::SeekableReadStream *fileStream = getVolumeFile(resMan, res);
if (!fileStream)
return;
if (_audioCompressionType) {
// this file is compressed, so lookup our offset in the offset-translation table and get the new offset
// also calculate the compressed size by using the next offset
int32 *mappingTable = _audioCompressionOffsetMapping;
int32 compressedOffset = 0;
do {
if (*mappingTable == res->_fileOffset) {
mappingTable++;
compressedOffset = *mappingTable;
// Go to next compressed offset and use that to calculate size of compressed sample
switch (res->getType()) {
case kResourceTypeSync:
case kResourceTypeSync36:
case kResourceTypeRave:
// we should already have a (valid) size
break;
default:
mappingTable += 2;
res->_size = *mappingTable - compressedOffset;
}
break;
}
mappingTable += 2;
} while (*mappingTable);
if (!compressedOffset)
error("could not translate offset to compressed offset in audio volume");
fileStream->seek(compressedOffset, SEEK_SET);
switch (res->getType()) {
case kResourceTypeAudio:
case kResourceTypeAudio36:
// Directly read the stream, compressed audio wont have resource type id and header size for SCI1.1
res->loadFromAudioVolumeSCI1(fileStream);
if (_resourceFile)
delete fileStream;
return;
default:
break;
}
} else {
assert(fileStream->size() == -1 || res->_fileOffset < fileStream->size());
// original file, directly seek to given offset and get SCI1/SCI1.1 audio resource
fileStream->seek(res->_fileOffset, SEEK_SET);
}
if (getSciVersion() < SCI_VERSION_1_1)
res->loadFromAudioVolumeSCI1(fileStream);
else
res->loadFromAudioVolumeSCI11(fileStream);
if (_resourceFile)
delete fileStream;
}
bool ResourceManager::addAudioSources() {
#ifdef ENABLE_SCI32
// Multi-disc audio is added during addAppropriateSources for those titles
// that require it
if (_multiDiscAudio) {
return true;
}
#endif
Common::List<ResourceId> resources = listResources(kResourceTypeMap);
Common::List<ResourceId>::iterator itr;
for (itr = resources.begin(); itr != resources.end(); ++itr) {
ResourceSource *src = addSource(new IntMapResourceSource("MAP", 0, itr->getNumber()));
if (itr->getNumber() == 65535 && Common::File::exists("RESOURCE.SFX"))
addSource(new AudioVolumeResourceSource(this, "RESOURCE.SFX", src, 0));
else if (Common::File::exists("RESOURCE.AUD"))
addSource(new AudioVolumeResourceSource(this, "RESOURCE.AUD", src, 0));
else
return false;
}
return true;
}
void ResourceManager::changeAudioDirectory(const Common::String &path) {
// Resources must be cleared before ResourceSources because the destructor
// of a Resource accesses its own ResourceSource
ResourceMap::iterator resIt = _resMap.begin();
while (resIt != _resMap.end()) {
Resource *resource = resIt->_value;
ResourceType type = resource->getType();
if (type == kResourceTypeMap ||
type == kResourceTypeAudio36 ||
type == kResourceTypeSync36) {
if (type == kResourceTypeMap && resource->getNumber() == 65535) {
++resIt;
continue;
}
if (resource->_status == kResStatusLocked) {
resource->_lockers = 1;
unlockResource(resource);
}
if (resource->_status == kResStatusEnqueued) {
removeFromLRU(resource);
}
delete resource;
_resMap.erase(resIt);
}
++resIt;
}
Common::List<ResourceSource *>::iterator sourceIt = _sources.begin();
while (sourceIt != _sources.end()) {
ResourceSource *source = *sourceIt;
ResSourceType sourceType = source->getSourceType();
if ((sourceType == kSourceIntMap && source->_volumeNumber != 65535) ||
(sourceType == kSourceAudioVolume && source->getLocationName() != "RESOURCE.SFX")) {
sourceIt = _sources.erase(sourceIt);
delete source;
} else {
++sourceIt;
}
}
Common::String mapName = "MAP";
Common::String audioResourceName = "RESOURCE.AUD";
if (!path.empty()) {
mapName = Common::String::format("%s/MAP", path.c_str());
audioResourceName = Common::String::format("%s/RESOURCE.AUD", path.c_str());
}
Common::List<ResourceId> resources = listResources(kResourceTypeMap);
Common::List<ResourceId>::iterator it;
for (it = resources.begin(); it != resources.end(); ++it) {
// Don't readd 65535.map or resource.sfx
if (it->getNumber() == 65535)
continue;
ResourceSource *src = addSource(new IntMapResourceSource(mapName, 0, it->getNumber()));
addSource(new AudioVolumeResourceSource(this, audioResourceName, src, 0));
}
scanNewSources();
}
} // End of namespace Sci
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