mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 03:07:06 +00:00
335 lines
9.7 KiB
C++
335 lines
9.7 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/debug.h"
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#include "common/endian.h"
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#include "common/config-manager.h"
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#include "queen/resource.h"
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namespace Queen {
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const char *Resource::_tableFilename = "queen.tbl";
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const RetailGameVersion Resource::_gameVersions[] = {
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{ "PEM10", 1, 0x00000008, 22677657 },
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{ "CEM10", 1, 0x0000584E, 190787021 },
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{ "PFM10", 1, 0x0002CD93, 22157304 },
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{ "CFM10", 1, 0x00032585, 186689095 },
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{ "PGM10", 1, 0x00059ACA, 22240013 },
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{ "CGM10", 1, 0x0005F2A7, 217648975 },
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{ "PIM10", 1, 0x000866B1, 22461366 },
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{ "CIM10", 1, 0x0008BEE2, 190795582 },
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{ "CSM10", 1, 0x000B343C, 190730602 },
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{ "CHM10", 1, 0x000DA981, 190705558 },
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{ "PE100", 1, 0x00101EC6, 3724538 },
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{ "PE100", 1, 0x00102B7F, 3732177 },
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{ "PEint", 1, 0x00103838, 1915913 },
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{ "aEM10", 2, 0x00103F1E, 351775 },
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{ "CE101", 2, 0x00107D8D, 563335 },
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{ "PE100", 2, 0x001086D4, 597032 }
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};
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static int compareResourceEntry(const void *a, const void *b) {
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const char *filename = (const char *)a;
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const ResourceEntry *entry = (const ResourceEntry *)b;
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return strcmp(filename, entry->filename);
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}
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Resource::Resource()
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: _resourceEntries(0), _resourceTable(NULL) {
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memset(&_version, 0, sizeof(_version));
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_currentResourceFileNum = 1;
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if (!_resourceFile.open("queen.1c")) {
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if (!_resourceFile.open("queen.1")) {
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error("Could not open resource file 'queen.1[c]'");
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}
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}
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if (!detectVersion(&_version, &_resourceFile)) {
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error("Unable to detect game version");
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}
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if (_version.features & GF_REBUILT) {
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readTableEntries(&_resourceFile);
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} else {
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readTableFile(_version.queenTblVersion, _version.queenTblOffset);
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}
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checkJASVersion();
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debug(5, "Detected game version: %s, which has %d resource entries", _version.str, _resourceEntries);
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}
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Resource::~Resource() {
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_resourceFile.close();
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if (_resourceTable != _resourceTablePEM10)
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delete[] _resourceTable;
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}
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ResourceEntry *Resource::resourceEntry(const char *filename) const {
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assert(filename[0] && strlen(filename) < 14);
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Common::String entryName(filename);
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entryName.toUppercase();
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ResourceEntry *re = NULL;
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#ifndef PALMOS_MODE
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re = (ResourceEntry *)bsearch(entryName.c_str(), _resourceTable, _resourceEntries, sizeof(ResourceEntry), compareResourceEntry);
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#else
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// PALMOS FIXME (?) : still doesn't work for me (????) use this instead
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uint32 cur = 0;
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do {
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if (!strcmp(entryName.c_str(), _resourceTable[cur].filename)) {
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re = &_resourceTable[cur];
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break;
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}
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} while (++cur < _resourceEntries);
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#endif
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return re;
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}
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uint8 *Resource::loadFile(const char *filename, uint32 skipBytes, uint32 *size) {
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debug(7, "Resource::loadFile('%s')", filename);
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ResourceEntry *re = resourceEntry(filename);
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assert(re != NULL);
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uint32 sz = re->size - skipBytes;
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if (size != NULL) {
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*size = sz;
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}
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byte *dstBuf = new byte[sz];
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seekResourceFile(re->bundle, re->offset + skipBytes);
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_resourceFile.read(dstBuf, sz);
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return dstBuf;
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}
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void Resource::loadTextFile(const char *filename, Common::StringList &stringList) {
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debug(7, "Resource::loadTextFile('%s')", filename);
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ResourceEntry *re = resourceEntry(filename);
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assert(re != NULL);
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seekResourceFile(re->bundle, re->offset);
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Common::SeekableSubReadStream stream(&_resourceFile, re->offset, re->offset + re->size);
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while (true) {
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Common::String tmp = stream.readLine();
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if (stream.eos() || stream.err())
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break;
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stringList.push_back(tmp);
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}
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}
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bool Resource::detectVersion(DetectedGameVersion *ver, Common::File *f) {
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memset(ver, 0, sizeof(DetectedGameVersion));
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if (f->readUint32BE() == MKID_BE('QTBL')) {
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f->read(ver->str, 6);
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f->skip(2);
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ver->compression = f->readByte();
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ver->features = GF_REBUILT;
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ver->queenTblVersion = 0;
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ver->queenTblOffset = 0;
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} else {
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const RetailGameVersion *gameVersion = detectGameVersionFromSize(f->size());
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if (gameVersion == NULL) {
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warning("Unknown/unsupported FOTAQ version");
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return false;
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}
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strcpy(ver->str, gameVersion->str);
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ver->compression = COMPRESSION_NONE;
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ver->features = 0;
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ver->queenTblVersion = gameVersion->queenTblVersion;
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ver->queenTblOffset = gameVersion->queenTblOffset;
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strcpy(ver->str, gameVersion->str);
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// Handle game versions for which versionStr information is irrevelant
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if (gameVersion == &_gameVersions[VER_AMI_DEMO]) { // CE101
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ver->language = Common::EN_ANY;
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ver->features |= GF_FLOPPY | GF_DEMO;
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ver->platform = Common::kPlatformAmiga;
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return true;
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}
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if (gameVersion == &_gameVersions[VER_AMI_INTERVIEW]) { // PE100
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ver->language = Common::EN_ANY;
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ver->features |= GF_FLOPPY | GF_INTERVIEW;
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ver->platform = Common::kPlatformAmiga;
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return true;
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}
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}
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switch (ver->str[1]) {
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case 'E':
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if (Common::parseLanguage(ConfMan.get("language")) == Common::RU_RUS) {
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ver->language = Common::RU_RUS;
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} else if (Common::parseLanguage(ConfMan.get("language")) == Common::GR_GRE) {
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ver->language = Common::GR_GRE;
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} else {
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ver->language = Common::EN_ANY;
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}
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break;
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case 'F':
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ver->language = Common::FR_FRA;
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break;
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case 'G':
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ver->language = Common::DE_DEU;
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break;
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case 'H':
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ver->language = Common::HB_ISR;
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break;
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case 'I':
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ver->language = Common::IT_ITA;
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break;
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case 'S':
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ver->language = Common::ES_ESP;
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break;
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case 'g':
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ver->language = Common::GR_GRE;
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break;
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case 'R':
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ver->language = Common::RU_RUS;
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break;
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default:
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error("Invalid language id '%c'", ver->str[1]);
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break;
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}
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switch (ver->str[0]) {
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case 'P':
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ver->features |= GF_FLOPPY;
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ver->platform = Common::kPlatformPC;
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break;
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case 'C':
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ver->features |= GF_TALKIE;
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ver->platform = Common::kPlatformPC;
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break;
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case 'a':
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ver->features |= GF_FLOPPY;
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ver->platform = Common::kPlatformAmiga;
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break;
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default:
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error("Invalid platform id '%c'", ver->str[0]);
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break;
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}
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if (strcmp(ver->str + 2, "100") == 0 || strcmp(ver->str + 2, "101") == 0) {
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ver->features |= GF_DEMO;
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} else if (strcmp(ver->str + 2, "int") == 0) {
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ver->features |= GF_INTERVIEW;
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}
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return true;
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}
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void Resource::checkJASVersion() {
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if (_version.platform == Common::kPlatformAmiga) {
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// don't bother verifying the JAS version string with these versions,
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// it will be done at the end of Logic::readQueenJas, anyway
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return;
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}
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ResourceEntry *re = resourceEntry("QUEEN.JAS");
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assert(re != NULL);
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uint32 offset = re->offset;
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if (isDemo())
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offset += JAS_VERSION_OFFSET_DEMO;
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else if (isInterview())
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offset += JAS_VERSION_OFFSET_INTV;
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else
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offset += JAS_VERSION_OFFSET_PC;
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seekResourceFile(re->bundle, offset);
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char versionStr[6];
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_resourceFile.read(versionStr, 6);
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if (strcmp(_version.str, versionStr))
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error("Verifying game version failed! (expected: '%s', found: '%s')", _version.str, versionStr);
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}
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void Resource::seekResourceFile(int num, uint32 offset) {
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if (_currentResourceFileNum != num) {
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debug(7, "Opening resource file %d, current %d", num, _currentResourceFileNum);
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_resourceFile.close();
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char name[20];
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sprintf(name, "queen.%d", num);
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if (!_resourceFile.open(name)) {
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error("Could not open resource file '%s'", name);
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}
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_currentResourceFileNum = num;
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}
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_resourceFile.seek(offset);
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}
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void Resource::readTableFile(uint8 version, uint32 offset) {
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Common::File tableFile;
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tableFile.open(_tableFilename);
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if (tableFile.isOpen() && tableFile.readUint32BE() == MKID_BE('QTBL')) {
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uint32 tableVersion = tableFile.readUint32BE();
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if (version > tableVersion) {
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error("The game you are trying to play requires version %d of queen.tbl, "
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"you have version %d ; please update it", version, tableVersion);
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}
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tableFile.seek(offset);
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readTableEntries(&tableFile);
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} else {
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// check if it is the english floppy version, for which we have a hardcoded version of the table
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if (strcmp(_version.str, _gameVersions[VER_ENG_FLOPPY].str) == 0) {
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_resourceEntries = 1076;
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_resourceTable = _resourceTablePEM10;
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} else {
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error("Could not find tablefile '%s'", _tableFilename);
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}
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}
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}
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void Resource::readTableEntries(Common::File *file) {
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_resourceEntries = file->readUint16BE();
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_resourceTable = new ResourceEntry[_resourceEntries];
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for (uint16 i = 0; i < _resourceEntries; ++i) {
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ResourceEntry *re = &_resourceTable[i];
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file->read(re->filename, 12);
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re->filename[12] = '\0';
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re->bundle = file->readByte();
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re->offset = file->readUint32BE();
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re->size = file->readUint32BE();
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}
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}
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const RetailGameVersion *Resource::detectGameVersionFromSize(uint32 size) {
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for (int i = 0; i < VER_COUNT; ++i) {
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if (_gameVersions[i].dataFileSize == size) {
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return &_gameVersions[i];
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}
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}
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return NULL;
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}
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Common::File *Resource::findSound(const char *filename, uint32 *size) {
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assert(strstr(filename, ".SB") != NULL || strstr(filename, ".AMR") != NULL || strstr(filename, ".INS") != NULL);
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ResourceEntry *re = resourceEntry(filename);
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if (re) {
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*size = re->size;
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seekResourceFile(re->bundle, re->offset);
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return &_resourceFile;
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}
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return NULL;
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}
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} // End of namespace Queen
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