scummvm/engines/queen/resource.cpp
2009-01-30 05:25:17 +00:00

335 lines
9.7 KiB
C++

/* 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.
*
* $URL$
* $Id$
*
*/
#include "common/debug.h"
#include "common/endian.h"
#include "common/config-manager.h"
#include "queen/resource.h"
namespace Queen {
const char *Resource::_tableFilename = "queen.tbl";
const RetailGameVersion Resource::_gameVersions[] = {
{ "PEM10", 1, 0x00000008, 22677657 },
{ "CEM10", 1, 0x0000584E, 190787021 },
{ "PFM10", 1, 0x0002CD93, 22157304 },
{ "CFM10", 1, 0x00032585, 186689095 },
{ "PGM10", 1, 0x00059ACA, 22240013 },
{ "CGM10", 1, 0x0005F2A7, 217648975 },
{ "PIM10", 1, 0x000866B1, 22461366 },
{ "CIM10", 1, 0x0008BEE2, 190795582 },
{ "CSM10", 1, 0x000B343C, 190730602 },
{ "CHM10", 1, 0x000DA981, 190705558 },
{ "PE100", 1, 0x00101EC6, 3724538 },
{ "PE100", 1, 0x00102B7F, 3732177 },
{ "PEint", 1, 0x00103838, 1915913 },
{ "aEM10", 2, 0x00103F1E, 351775 },
{ "CE101", 2, 0x00107D8D, 563335 },
{ "PE100", 2, 0x001086D4, 597032 }
};
static int compareResourceEntry(const void *a, const void *b) {
const char *filename = (const char *)a;
const ResourceEntry *entry = (const ResourceEntry *)b;
return strcmp(filename, entry->filename);
}
Resource::Resource()
: _resourceEntries(0), _resourceTable(NULL) {
memset(&_version, 0, sizeof(_version));
_currentResourceFileNum = 1;
if (!_resourceFile.open("queen.1c")) {
if (!_resourceFile.open("queen.1")) {
error("Could not open resource file 'queen.1[c]'");
}
}
if (!detectVersion(&_version, &_resourceFile)) {
error("Unable to detect game version");
}
if (_version.features & GF_REBUILT) {
readTableEntries(&_resourceFile);
} else {
readTableFile(_version.queenTblVersion, _version.queenTblOffset);
}
checkJASVersion();
debug(5, "Detected game version: %s, which has %d resource entries", _version.str, _resourceEntries);
}
Resource::~Resource() {
_resourceFile.close();
if (_resourceTable != _resourceTablePEM10)
delete[] _resourceTable;
}
ResourceEntry *Resource::resourceEntry(const char *filename) const {
assert(filename[0] && strlen(filename) < 14);
Common::String entryName(filename);
entryName.toUppercase();
ResourceEntry *re = NULL;
#ifndef PALMOS_MODE
re = (ResourceEntry *)bsearch(entryName.c_str(), _resourceTable, _resourceEntries, sizeof(ResourceEntry), compareResourceEntry);
#else
// PALMOS FIXME (?) : still doesn't work for me (????) use this instead
uint32 cur = 0;
do {
if (!strcmp(entryName.c_str(), _resourceTable[cur].filename)) {
re = &_resourceTable[cur];
break;
}
} while (++cur < _resourceEntries);
#endif
return re;
}
uint8 *Resource::loadFile(const char *filename, uint32 skipBytes, uint32 *size) {
debug(7, "Resource::loadFile('%s')", filename);
ResourceEntry *re = resourceEntry(filename);
assert(re != NULL);
uint32 sz = re->size - skipBytes;
if (size != NULL) {
*size = sz;
}
byte *dstBuf = new byte[sz];
seekResourceFile(re->bundle, re->offset + skipBytes);
_resourceFile.read(dstBuf, sz);
return dstBuf;
}
void Resource::loadTextFile(const char *filename, Common::StringList &stringList) {
debug(7, "Resource::loadTextFile('%s')", filename);
ResourceEntry *re = resourceEntry(filename);
assert(re != NULL);
seekResourceFile(re->bundle, re->offset);
Common::SeekableSubReadStream stream(&_resourceFile, re->offset, re->offset + re->size);
while (true) {
Common::String tmp = stream.readLine();
if (stream.eos() || stream.err())
break;
stringList.push_back(tmp);
}
}
bool Resource::detectVersion(DetectedGameVersion *ver, Common::File *f) {
memset(ver, 0, sizeof(DetectedGameVersion));
if (f->readUint32BE() == MKID_BE('QTBL')) {
f->read(ver->str, 6);
f->skip(2);
ver->compression = f->readByte();
ver->features = GF_REBUILT;
ver->queenTblVersion = 0;
ver->queenTblOffset = 0;
} else {
const RetailGameVersion *gameVersion = detectGameVersionFromSize(f->size());
if (gameVersion == NULL) {
warning("Unknown/unsupported FOTAQ version");
return false;
}
strcpy(ver->str, gameVersion->str);
ver->compression = COMPRESSION_NONE;
ver->features = 0;
ver->queenTblVersion = gameVersion->queenTblVersion;
ver->queenTblOffset = gameVersion->queenTblOffset;
strcpy(ver->str, gameVersion->str);
// Handle game versions for which versionStr information is irrevelant
if (gameVersion == &_gameVersions[VER_AMI_DEMO]) { // CE101
ver->language = Common::EN_ANY;
ver->features |= GF_FLOPPY | GF_DEMO;
ver->platform = Common::kPlatformAmiga;
return true;
}
if (gameVersion == &_gameVersions[VER_AMI_INTERVIEW]) { // PE100
ver->language = Common::EN_ANY;
ver->features |= GF_FLOPPY | GF_INTERVIEW;
ver->platform = Common::kPlatformAmiga;
return true;
}
}
switch (ver->str[1]) {
case 'E':
if (Common::parseLanguage(ConfMan.get("language")) == Common::RU_RUS) {
ver->language = Common::RU_RUS;
} else if (Common::parseLanguage(ConfMan.get("language")) == Common::GR_GRE) {
ver->language = Common::GR_GRE;
} else {
ver->language = Common::EN_ANY;
}
break;
case 'F':
ver->language = Common::FR_FRA;
break;
case 'G':
ver->language = Common::DE_DEU;
break;
case 'H':
ver->language = Common::HB_ISR;
break;
case 'I':
ver->language = Common::IT_ITA;
break;
case 'S':
ver->language = Common::ES_ESP;
break;
case 'g':
ver->language = Common::GR_GRE;
break;
case 'R':
ver->language = Common::RU_RUS;
break;
default:
error("Invalid language id '%c'", ver->str[1]);
break;
}
switch (ver->str[0]) {
case 'P':
ver->features |= GF_FLOPPY;
ver->platform = Common::kPlatformPC;
break;
case 'C':
ver->features |= GF_TALKIE;
ver->platform = Common::kPlatformPC;
break;
case 'a':
ver->features |= GF_FLOPPY;
ver->platform = Common::kPlatformAmiga;
break;
default:
error("Invalid platform id '%c'", ver->str[0]);
break;
}
if (strcmp(ver->str + 2, "100") == 0 || strcmp(ver->str + 2, "101") == 0) {
ver->features |= GF_DEMO;
} else if (strcmp(ver->str + 2, "int") == 0) {
ver->features |= GF_INTERVIEW;
}
return true;
}
void Resource::checkJASVersion() {
if (_version.platform == Common::kPlatformAmiga) {
// don't bother verifying the JAS version string with these versions,
// it will be done at the end of Logic::readQueenJas, anyway
return;
}
ResourceEntry *re = resourceEntry("QUEEN.JAS");
assert(re != NULL);
uint32 offset = re->offset;
if (isDemo())
offset += JAS_VERSION_OFFSET_DEMO;
else if (isInterview())
offset += JAS_VERSION_OFFSET_INTV;
else
offset += JAS_VERSION_OFFSET_PC;
seekResourceFile(re->bundle, offset);
char versionStr[6];
_resourceFile.read(versionStr, 6);
if (strcmp(_version.str, versionStr))
error("Verifying game version failed! (expected: '%s', found: '%s')", _version.str, versionStr);
}
void Resource::seekResourceFile(int num, uint32 offset) {
if (_currentResourceFileNum != num) {
debug(7, "Opening resource file %d, current %d", num, _currentResourceFileNum);
_resourceFile.close();
char name[20];
sprintf(name, "queen.%d", num);
if (!_resourceFile.open(name)) {
error("Could not open resource file '%s'", name);
}
_currentResourceFileNum = num;
}
_resourceFile.seek(offset);
}
void Resource::readTableFile(uint8 version, uint32 offset) {
Common::File tableFile;
tableFile.open(_tableFilename);
if (tableFile.isOpen() && tableFile.readUint32BE() == MKID_BE('QTBL')) {
uint32 tableVersion = tableFile.readUint32BE();
if (version > tableVersion) {
error("The game you are trying to play requires version %d of queen.tbl, "
"you have version %d ; please update it", version, tableVersion);
}
tableFile.seek(offset);
readTableEntries(&tableFile);
} else {
// check if it is the english floppy version, for which we have a hardcoded version of the table
if (strcmp(_version.str, _gameVersions[VER_ENG_FLOPPY].str) == 0) {
_resourceEntries = 1076;
_resourceTable = _resourceTablePEM10;
} else {
error("Could not find tablefile '%s'", _tableFilename);
}
}
}
void Resource::readTableEntries(Common::File *file) {
_resourceEntries = file->readUint16BE();
_resourceTable = new ResourceEntry[_resourceEntries];
for (uint16 i = 0; i < _resourceEntries; ++i) {
ResourceEntry *re = &_resourceTable[i];
file->read(re->filename, 12);
re->filename[12] = '\0';
re->bundle = file->readByte();
re->offset = file->readUint32BE();
re->size = file->readUint32BE();
}
}
const RetailGameVersion *Resource::detectGameVersionFromSize(uint32 size) {
for (int i = 0; i < VER_COUNT; ++i) {
if (_gameVersions[i].dataFileSize == size) {
return &_gameVersions[i];
}
}
return NULL;
}
Common::File *Resource::findSound(const char *filename, uint32 *size) {
assert(strstr(filename, ".SB") != NULL || strstr(filename, ".AMR") != NULL || strstr(filename, ".INS") != NULL);
ResourceEntry *re = resourceEntry(filename);
if (re) {
*size = re->size;
seekResourceFile(re->bundle, re->offset);
return &_resourceFile;
}
return NULL;
}
} // End of namespace Queen