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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.
*
* $URL$
* $Id$
*
*/
#include "kyra/resource.h"
#include "kyra/resource_intern.h"
#include "common/config-manager.h"
#include "common/endian.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/func.h"
#include "common/system.h"
namespace Kyra {
Resource::Resource(KyraEngine_v1 *vm) : _archiveCache(), _files(), _archiveFiles(new Common::SearchSet()), _protectedFiles(new Common::SearchSet()), _loaders(), _vm(vm) {
initializeLoaders();
Common::SharedPtr<Common::Archive> path(new Common::FSDirectory(ConfMan.get("path"), 2));
Common::SharedPtr<Common::Archive> extrapath(new Common::FSDirectory(ConfMan.get("extrapath")));
_files.add("path", path, 4);
_files.add("extrapath", extrapath, 4);
_vm->_system->addSysArchivesToSearchSet(_files, 3);
// compressed installer archives are added at level '2',
// but that's done in Resource::reset not here
_files.add("protected", _protectedFiles, 1);
_files.add("archives", _archiveFiles, 0);
}
Resource::~Resource() {
_loaders.clear();
}
bool Resource::reset() {
unloadAllPakFiles();
Common::FSNode dir(ConfMan.get("path"));
if (!dir.exists() || !dir.isDirectory())
error("invalid game path '%s'", dir.getPath().c_str());
if (_vm->game() == GI_KYRA1) {
// We only need kyra.dat for the demo.
if (_vm->gameFlags().isDemo)
return true;
} else if (_vm->game() == GI_KYRA2) {
if (_vm->gameFlags().useInstallerPackage)
_files.add("installer", loadInstallerArchive("WESTWOOD", "%03d", 6), 2);
// mouse pointer, fonts, etc. required for initializing
if (_vm->gameFlags().isDemo && !_vm->gameFlags().isTalkie) {
loadPakFile("GENERAL.PAK");
} else {
loadPakFile("INTROGEN.PAK");
loadPakFile("OTHER.PAK");
}
return true;
} else if (_vm->game() == GI_KYRA3) {
if (_vm->gameFlags().useInstallerPackage) {
if (!loadPakFile("WESTWOOD.001"))
error("couldn't load file: 'WESTWOOD.001'");
}
if (!loadFileList("FILEDATA.FDT"))
error("couldn't load file: 'FILEDATA.FDT'");
return true;
} else if (_vm->game() == GI_LOL) {
if (_vm->gameFlags().useInstallerPackage)
_files.add("installer", loadInstallerArchive("WESTWOOD", "%d", 0), 2);
return true;
}
Common::FSList fslist;
if (!dir.getChildren(fslist, Common::FSNode::kListFilesOnly))
error("can't list files inside game path '%s'", dir.getPath().c_str());
if (_vm->game() == GI_KYRA1 && _vm->gameFlags().isTalkie) {
static const char *list[] = {
"ADL.PAK", "CHAPTER1.VRM", "COL.PAK", "FINALE.PAK", "INTRO1.PAK", "INTRO2.PAK",
"INTRO3.PAK", "INTRO4.PAK", "MISC.PAK", "SND.PAK", "STARTUP.PAK", "XMI.PAK",
"CAVE.APK", "DRAGON1.APK", "DRAGON2.APK", "LAGOON.APK"
};
for (uint i = 0; i < ARRAYSIZE(list); ++i) {
Common::ArchivePtr archive = loadArchive(list[i]);
if (archive)
_protectedFiles->add(list[i], archive, 0);
}
} else {
for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
Common::String filename = file->getName();
filename.toUppercase();
// No real PAK file!
if (filename == "TWMUSIC.PAK")
continue;
if (filename == ((_vm->gameFlags().lang == Common::EN_ANY) ? "JMC.PAK" : "EMC.PAK"))
continue;
if (filename.hasSuffix(".PAK") || filename.hasSuffix(".APK")) {
if (!loadPakFile(file->getName()))
error("couldn't open pakfile '%s'", file->getName().c_str());
}
}
}
return true;
}
bool Resource::loadPakFile(Common::String filename) {
filename.toUppercase();
if (_archiveFiles->hasArchive(filename) || _protectedFiles->hasArchive(filename))
return true;
Common::ArchivePtr archive = loadArchive(filename);
if (!archive)
return false;
_archiveFiles->add(filename, archive, 0);
return true;
}
bool Resource::loadFileList(const Common::String &filedata) {
Common::SeekableReadStream *f = getFileStream(filedata);
if (!f)
return false;
uint32 filenameOffset = 0;
while ((filenameOffset = f->readUint32LE()) != 0) {
uint32 offset = f->pos();
f->seek(filenameOffset, SEEK_SET);
uint8 buffer[13];
f->read(buffer, sizeof(buffer)-1);
buffer[12] = 0;
f->seek(offset + 16, SEEK_SET);
Common::String filename = Common::String((char *)buffer);
filename.toUppercase();
if (filename.hasSuffix(".PAK")) {
if (!exists(filename.c_str()) && _vm->gameFlags().isDemo) {
// the demo version supplied with Kyra3 does not
// contain all pak files listed in filedata.fdt
// so we don't do anything here if they are non
// existant.
} else if (!loadPakFile(filename)) {
delete f;
error("couldn't load file '%s'", filename.c_str());
return false;
}
}
}
delete f;
return true;
}
bool Resource::loadFileList(const char * const *filelist, uint32 numFiles) {
if (!filelist)
return false;
while (numFiles--) {
if (!loadPakFile(filelist[numFiles])) {
error("couldn't load file '%s'", filelist[numFiles]);
return false;
}
}
return true;
}
void Resource::unloadPakFile(Common::String filename) {
filename.toUppercase();
_archiveFiles->remove(filename);
// We do not remove files from '_protectedFiles' here, since
// those are protected against unloading.
}
bool Resource::isInPakList(Common::String filename) {
filename.toUppercase();
return (_archiveFiles->hasArchive(filename) || _protectedFiles->hasArchive(filename));
}
void Resource::unloadAllPakFiles() {
_archiveFiles->clear();
_protectedFiles->clear();
}
uint8 *Resource::fileData(const char *file, uint32 *size) {
Common::SeekableReadStream *stream = getFileStream(file);
if (!stream)
return 0;
uint32 bufferSize = stream->size();
uint8 *buffer = new uint8[bufferSize];
assert(buffer);
if (size)
*size = bufferSize;
stream->read(buffer, bufferSize);
delete stream;
return buffer;
}
bool Resource::exists(const char *file, bool errorOutOnFail) {
if (_files.hasFile(file))
return true;
else if (errorOutOnFail)
error("File '%s' can't be found", file);
return false;
}
uint32 Resource::getFileSize(const char *file) {
Common::SeekableReadStream *stream = getFileStream(file);
if (!stream)
return 0;
uint32 size = stream->size();
delete stream;
return size;
}
bool Resource::loadFileToBuf(const char *file, void *buf, uint32 maxSize) {
Common::SeekableReadStream *stream = getFileStream(file);
if (!stream)
return false;
memset(buf, 0, maxSize);
stream->read(buf, ((int32)maxSize <= stream->size()) ? maxSize : stream->size());
delete stream;
return true;
}
Common::SeekableReadStream *Resource::getFileStream(const Common::String &file) {
return _files.openFile(file);
}
Common::ArchivePtr Resource::loadArchive(const Common::String &file) {
ArchiveMap::iterator cachedArchive = _archiveCache.find(file);
if (cachedArchive != _archiveCache.end())
return cachedArchive->_value;
Common::ArchiveMemberList list;
_files.listMatchingMembers(list, file);
if (list.empty())
return Common::ArchivePtr();
return loadArchive(file, *list.begin());
}
Common::ArchivePtr Resource::loadArchive(const Common::String &name, Common::SharedPtr<Common::ArchiveMember> member) {
Common::SeekableReadStream *stream = member->open();
if (!stream)
return Common::ArchivePtr();
Common::ArchivePtr archive;
for (LoaderList::const_iterator i = _loaders.begin(); i != _loaders.end(); ++i) {
if ((*i)->checkFilename(name)) {
if ((*i)->isLoadable(name, *stream)) {
stream->seek(0, SEEK_SET);
archive = Common::ArchivePtr((*i)->load(member, *stream));
break;
} else {
stream->seek(0, SEEK_SET);
}
}
}
delete stream;
if (!archive)
return Common::ArchivePtr();
_archiveCache[name] = archive;
return archive;
}
Common::ArchivePtr Resource::loadInstallerArchive(const Common::String &file, const Common::String &ext, const uint8 offset) {
ArchiveMap::iterator cachedArchive = _archiveCache.find(file);
if (cachedArchive != _archiveCache.end())
return cachedArchive->_value;
Common::ArchivePtr archive(InstallerLoader::load(this, file, ext, offset));
if (!archive)
return Common::ArchivePtr();
_archiveCache[file] = archive;
return archive;
}
#pragma mark -
void Resource::initializeLoaders() {
_loaders.push_back(LoaderList::value_type(new ResLoaderPak()));
_loaders.push_back(LoaderList::value_type(new ResLoaderInsMalcolm()));
_loaders.push_back(LoaderList::value_type(new ResLoaderTlk()));
}
} // end of namespace Kyra
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