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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.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Base/BFileManager.h"
#include "engines/wintermute/utils/StringUtil.h"
#include "engines/wintermute/utils/PathUtil.h"
#include "engines/wintermute/Base/file/BDiskFile.h"
#include "engines/wintermute/Base/file/BSaveThumbFile.h"
#include "engines/wintermute/Base/BFileEntry.h"
#include "engines/wintermute/Base/file/BPkgFile.h"
#include "engines/wintermute/Base/BResources.h"
#include "engines/wintermute/Base/BPackage.h"
#include "engines/wintermute/Base/BRegistry.h"
#include "engines/wintermute/Base/BGame.h"
#include "engines/wintermute/dcpackage.h"
#include "engines/wintermute/utils/utils.h"
#include "engines/wintermute/PlatformSDL.h"
#include "engines/wintermute/wintermute.h"
#include "common/str.h"
#include "common/textconsole.h"
#include "common/util.h"
#include "common/config-manager.h"
#include "common/system.h"
#include "common/fs.h"
#include "common/file.h"
#include "common/savefile.h"
namespace WinterMute {
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
CBFileManager::CBFileManager(CBGame *inGame): CBBase(inGame) {
_basePath = NULL;
initPaths();
registerPackages();
}
//////////////////////////////////////////////////////////////////////
CBFileManager::~CBFileManager() {
cleanup();
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::cleanup() {
// delete registered paths
for (int i = 0; i < _singlePaths.getSize(); i++)
delete [] _singlePaths[i];
_singlePaths.removeAll();
for (int i = 0; i < _packagePaths.getSize(); i++)
delete [] _packagePaths[i];
_packagePaths.removeAll();
// delete file entries
_filesIter = _files.begin();
while (_filesIter != _files.end()) {
delete _filesIter->_value;
_filesIter++;
}
_files.clear();
// close open files
for (int i = 0; i < _openFiles.getSize(); i++) {
delete _openFiles[i];
}
_openFiles.removeAll();
// delete packages
for (int i = 0; i < _packages.getSize(); i++)
delete _packages[i];
_packages.removeAll();
delete[] _basePath;
_basePath = NULL;
return STATUS_OK;
}
#define MAX_FILE_SIZE 10000000
//////////////////////////////////////////////////////////////////////
byte *CBFileManager::readWholeFile(const Common::String &filename, uint32 *size, bool mustExist) {
byte *buffer = NULL;
Common::SeekableReadStream *file = openFile(filename);
if (!file) {
if (mustExist) _gameRef->LOG(0, "Error opening file '%s'", filename.c_str());
return NULL;
}
/*
if (File->GetSize() > MAX_FILE_SIZE) {
_gameRef->LOG(0, "File '%s' exceeds the maximum size limit (%d bytes)", Filename, MAX_FILE_SIZE);
CloseFile(File);
return NULL;
}
*/
buffer = new byte[file->size() + 1];
if (buffer == NULL) {
_gameRef->LOG(0, "Error allocating buffer for file '%s' (%d bytes)", filename.c_str(), file->size() + 1);
closeFile(file);
return NULL;
}
if (file->read(buffer, (uint32)file->size()) != (uint32)file->size()) {
_gameRef->LOG(0, "Error reading file '%s'", filename.c_str());
closeFile(file);
delete [] buffer;
return NULL;
};
buffer[file->size()] = '\0';
if (size != NULL) *size = file->size();
closeFile(file);
return buffer;
}
Common::SeekableReadStream *CBFileManager::loadSaveGame(const Common::String &filename) {
Common::SaveFileManager *saveMan = g_wintermute->getSaveFileMan();
Common::InSaveFile *file = saveMan->openForLoading(filename);
return file;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::saveFile(const Common::String &filename, byte *buffer, uint32 bufferSize, bool compressed, byte *prefixBuffer, uint32 prefixSize) {
// TODO
warning("Implement SaveFile");
Common::SaveFileManager *saveMan = g_wintermute->getSaveFileMan();
Common::OutSaveFile *file = saveMan->openForSaving(filename);
file->write(prefixBuffer, prefixSize);
file->write(buffer, bufferSize);
file->finalize();
delete file;
#if 0
RestoreCurrentDir();
CBUtils::CreatePath(filename, false);
FILE *f = fopen(filename, "wb");
if (!f) {
_gameRef->LOG(0, "Error opening file '%s' for writing.", filename);
return STATUS_FAILED;
}
if (PrefixBuffer && PrefixSize) {
fwrite(PrefixBuffer, PrefixSize, 1, f);
}
if (Compressed) {
uint32 CompSize = BufferSize + (BufferSize / 100) + 12; // 1% extra space
byte *CompBuffer = new byte[CompSize];
if (!CompBuffer) {
_gameRef->LOG(0, "Error allocating compression buffer while saving '%s'", filename);
Compressed = false;
} else {
if (compress(CompBuffer, (uLongf *)&CompSize, Buffer, BufferSize) == Z_OK) {
uint32 magic = DCGF_MAGIC;
fwrite(&magic, sizeof(uint32), 1, f);
magic = COMPRESSED_FILE_MAGIC;
fwrite(&magic, sizeof(uint32), 1, f);
uint32 DataOffset = 5 * sizeof(uint32);
fwrite(&DataOffset, sizeof(uint32), 1, f);
fwrite(&CompSize, sizeof(uint32), 1, f);
fwrite(&BufferSize, sizeof(uint32), 1, f);
fwrite(CompBuffer, CompSize, 1, f);
} else {
_gameRef->LOG(0, "Error compressing data while saving '%s'", filename);
Compressed = false;
}
delete [] CompBuffer;
}
}
if (!Compressed) fwrite(Buffer, BufferSize, 1, f);
fclose(f);
#endif
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::requestCD(int cd, char *packageFile, const char *filename) {
// unmount all non-local packages
for (int i = 0; i < _packages.getSize(); i++) {
if (_packages[i]->_cD > 0) _packages[i]->close();
}
return STATUS_FAILED;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::addPath(TPathType type, const Common::String &path) {
if (path.c_str() == NULL || strlen(path.c_str()) < 1) return STATUS_FAILED;
bool slashed = (path[path.size() - 1] == '\\' || path[path.size() - 1] == '/');
char *buffer = new char [strlen(path.c_str()) + 1 + (slashed ? 0 : 1)];
if (buffer == NULL) return STATUS_FAILED;
strcpy(buffer, path.c_str());
if (!slashed) strcat(buffer, "\\");
//CBPlatform::strlwr(buffer);
switch (type) {
case PATH_SINGLE:
_singlePaths.add(buffer);
break;
case PATH_PACKAGE:
_packagePaths.add(buffer);
break;
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::reloadPaths() {
// delete registered paths
for (int i = 0; i < _singlePaths.getSize(); i++)
delete [] _singlePaths[i];
_singlePaths.removeAll();
for (int i = 0; i < _packagePaths.getSize(); i++)
delete [] _packagePaths[i];
_packagePaths.removeAll();
return initPaths();
}
#define TEMP_BUFFER_SIZE 32768
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::initPaths() {
restoreCurrentDir();
AnsiString pathList;
int numPaths;
// single files paths
pathList = _gameRef->_registry->readString("Resource", "CustomPaths", "");
numPaths = CBUtils::strNumEntries(pathList.c_str(), ';');
for (int i = 0; i < numPaths; i++) {
char *path = CBUtils::strEntry(i, pathList.c_str(), ';');
if (path && strlen(path) > 0) {
addPath(PATH_SINGLE, path);
}
delete[] path;
path = NULL;
}
addPath(PATH_SINGLE, ".\\");
// package files paths
addPath(PATH_PACKAGE, "./");
pathList = _gameRef->_registry->readString("Resource", "PackagePaths", "");
numPaths = CBUtils::strNumEntries(pathList.c_str(), ';');
for (int i = 0; i < numPaths; i++) {
char *path = CBUtils::strEntry(i, pathList.c_str(), ';');
if (path && strlen(path) > 0) {
addPath(PATH_PACKAGE, path);
}
delete[] path;
path = NULL;
}
addPath(PATH_PACKAGE, "data");
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::registerPackages() {
restoreCurrentDir();
_gameRef->LOG(0, "Scanning packages...");
warning("Scanning packages");
Common::ArchiveMemberList files;
SearchMan.listMatchingMembers(files, "*.dcp");
for (Common::ArchiveMemberList::iterator it = files.begin(); it != files.end(); it++) {
registerPackage((*it)->getName().c_str());
}
#if 0
AnsiString extension = AnsiString(PACKAGE_EXTENSION);
for (int i = 0; i < _packagePaths.getSize(); i++) {
boost::filesystem::path absPath = boost::filesystem::syste_complete(_packagePaths[i]);
//_gameRef->LOG(0, "Scanning: %s", absPath.string().c_str());
//printf("Scanning: %s\n", absPath.string().c_str());
if (!exists(absPath)) continue;
// scan files
boost::filesystem::directory_iterator endIter;
for (boost::filesystem::directory_iterator dit(absPath); dit != endIter; ++dit) {
if (!is_directory((*dit).status())) {
AnsiString fileName = (*dit).path().string();
if (!IsValidPackage(fileName)) continue;
warning("%s", fileName.c_str());
//printf("%s\n", fileName.c_str());
if (!StringUtil::CompareNoCase(extension, PathUtil::GetExtension(fileName))) continue;
warning("Registered");
RegisterPackage(absPath.string().c_str(), dit->path().filename().string().c_str());
}
}
}
#endif
warning(" Registered %d files in %d package(s)", _files.size(), _packages.getSize());
_gameRef->LOG(0, " Registered %d files in %d package(s)", _files.size(), _packages.getSize());
warning(" Registered %d files in %d package(s)", _files.size(), _packages.getSize());
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::registerPackage(const Common::String &filename , bool searchSignature) {
// FILE *f = fopen(filename, "rb");
Common::File *package = new Common::File();
package->open(filename);
if (!package->isOpen()) {
_gameRef->LOG(0, " Error opening package file '%s'. Ignoring.", filename.c_str());
return STATUS_OK;
}
uint32 absoluteOffset = 0;
bool boundToExe = false;
if (searchSignature) {
uint32 Offset;
if (!findPackageSignature(package, &Offset)) {
delete package;
return STATUS_OK;
} else {
package->seek(Offset, SEEK_SET);
absoluteOffset = Offset;
boundToExe = true;
}
}
TPackageHeader hdr;
hdr.readFromStream(package);
// package->read(&hdr, sizeof(TPackageHeader), 1, f);
if (hdr.Magic1 != PACKAGE_MAGIC_1 || hdr.Magic2 != PACKAGE_MAGIC_2 || hdr.PackageVersion > PACKAGE_VERSION) {
_gameRef->LOG(0, " Invalid header in package file '%s'. Ignoring.", filename.c_str());
delete package;
return STATUS_OK;
}
if (hdr.PackageVersion != PACKAGE_VERSION) {
_gameRef->LOG(0, " Warning: package file '%s' is outdated.", filename.c_str());
}
// new in v2
if (hdr.PackageVersion == PACKAGE_VERSION) {
uint32 dirOffset;
dirOffset = package->readUint32LE();
dirOffset += absoluteOffset;
package->seek(dirOffset, SEEK_SET);
}
for (uint32 i = 0; i < hdr.NumDirs; i++) {
CBPackage *pkg = new CBPackage(_gameRef);
if (!pkg) return STATUS_FAILED;
pkg->_boundToExe = boundToExe;
// read package info
byte nameLength = package->readByte();
pkg->_name = new char[nameLength];
package->read(pkg->_name, nameLength);
pkg->_cD = package->readByte();
pkg->_priority = hdr.Priority;
if (!hdr.MasterIndex) pkg->_cD = 0; // override CD to fixed disk
_packages.add(pkg);
// read file entries
uint32 NumFiles = package->readUint32LE();
for (uint32 j = 0; j < NumFiles; j++) {
char *name;
uint32 offset, length, compLength, flags, timeDate1, timeDate2;
nameLength = package->readByte();
name = new char[nameLength];
package->read(name, nameLength);
// v2 - xor name
if (hdr.PackageVersion == PACKAGE_VERSION) {
for (int k = 0; k < nameLength; k++) {
((byte *)name)[k] ^= 'D';
}
}
// some old version of ProjectMan writes invalid directory entries
// so at least prevent strupr from corrupting memory
name[nameLength - 1] = '\0';
CBPlatform::strupr(name);
offset = package->readUint32LE();
offset += absoluteOffset;
length = package->readUint32LE();
compLength = package->readUint32LE();
flags = package->readUint32LE();
if (hdr.PackageVersion == PACKAGE_VERSION) {
timeDate1 = package->readUint32LE();
timeDate2 = package->readUint32LE();
}
_filesIter = _files.find(name);
if (_filesIter == _files.end()) {
CBFileEntry *file = new CBFileEntry(_gameRef);
file->_package = pkg;
file->_offset = offset;
file->_length = length;
file->_compressedLength = compLength;
file->_flags = flags;
_files[name] = file;
} else {
// current package has lower CD number or higher priority, than the registered
if (pkg->_cD < _filesIter->_value->_package->_cD || pkg->_priority > _filesIter->_value->_package->_priority) {
_filesIter->_value->_package = pkg;
_filesIter->_value->_offset = offset;
_filesIter->_value->_length = length;
_filesIter->_value->_compressedLength = compLength;
_filesIter->_value->_flags = flags;
}
}
delete [] name;
}
}
delete package;
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::isValidPackage(const AnsiString &fileName) const {
AnsiString plainName = PathUtil::getFileNameWithoutExtension(fileName);
// check for device-type specific packages
if (StringUtil::startsWith(plainName, "xdevice_", true)) {
return StringUtil::compareNoCase(plainName, "xdevice_" + _gameRef->getDeviceType());
}
return true;
}
//////////////////////////////////////////////////////////////////////////
Common::File *CBFileManager::openPackage(const Common::String &name) {
//TODO: Is it really necessary to do this when we have the ScummVM-system?
//RestoreCurrentDir();
Common::File *ret = new Common::File();
char filename[MAX_PATH_LENGTH];
for (int i = 0; i < _packagePaths.getSize(); i++) {
sprintf(filename, "%s%s.%s", _packagePaths[i], name.c_str(), PACKAGE_EXTENSION);
ret->open(filename);
if (ret->isOpen()) {
return ret;
}
}
sprintf(filename, "%s.%s", name.c_str(), PACKAGE_EXTENSION);
ret->open(filename);
if (ret->isOpen()) {
return ret;
}
warning("CBFileManager::OpenPackage - Couldn't load file %s", name.c_str());
delete ret;
return NULL;
}
//////////////////////////////////////////////////////////////////////////
Common::File *CBFileManager::openSingleFile(const Common::String &name) {
restoreCurrentDir();
Common::File *ret = NULL;
char filename[MAX_PATH_LENGTH];
for (int i = 0; i < _singlePaths.getSize(); i++) {
sprintf(filename, "%s%s", _singlePaths[i], name.c_str());
ret->open(filename);
if (ret->isOpen())
return ret;
}
// didn't find in search paths, try to open directly
ret->open(name);
if (ret->isOpen()) {
return ret;
} else {
delete ret;
return NULL;
}
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::getFullPath(const Common::String &filename, char *fullname) {
restoreCurrentDir();
Common::File f;
bool found = false;
for (int i = 0; i < _singlePaths.getSize(); i++) {
sprintf(fullname, "%s%s", _singlePaths[i], filename.c_str());
f.open(fullname);
if (f.isOpen()) {
f.close();
found = true;
break;
}
}
if (!found) {
f.open(filename.c_str());
if (f.isOpen()) {
f.close();
found = true;
strcpy(fullname, filename.c_str());
}
}
return found;
}
//////////////////////////////////////////////////////////////////////////
CBFileEntry *CBFileManager::getPackageEntry(const Common::String &filename) {
char *upc_name = new char[strlen(filename.c_str()) + 1];
strcpy(upc_name, filename.c_str());
CBPlatform::strupr(upc_name);
CBFileEntry *ret = NULL;
_filesIter = _files.find(upc_name);
if (_filesIter != _files.end()) ret = _filesIter->_value;
delete [] upc_name;
return ret;
}
bool CBFileManager::hasFile(const Common::String &filename) {
//TODO: Do this in a much simpler fashion
Common::SeekableReadStream *stream = openFile(filename, true, false);
if (!stream) {
return false;
}
delete stream;
return true;
}
//////////////////////////////////////////////////////////////////////////
Common::SeekableReadStream *CBFileManager::openFile(const Common::String &filename, bool absPathWarning, bool keepTrackOf) {
if (strcmp(filename.c_str(), "") == 0) return NULL;
//_gameRef->LOG(0, "open file: %s", filename);
/*#ifdef __WIN32__
if (_gameRef->_debugDebugMode && _gameRef->_debugAbsolutePathWarning && AbsPathWarning) {
char Drive[_MAX_DRIVE];
_splitpath(filename, Drive, NULL, NULL, NULL);
if (Drive[0] != '\0') {
_gameRef->LOG(0, "WARNING: Referencing absolute path '%s'. The game will NOT work on another computer.", filename);
}
}
#endif*/
Common::SeekableReadStream *file = openFileRaw(filename);
if (file && keepTrackOf) _openFiles.add(file);
return file;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::closeFile(Common::SeekableReadStream *File) {
for (int i = 0; i < _openFiles.getSize(); i++) {
if (_openFiles[i] == File) {
delete _openFiles[i];
_openFiles.removeAt(i);
return STATUS_OK;
}
}
return STATUS_FAILED;
}
//////////////////////////////////////////////////////////////////////////
Common::SeekableReadStream *CBFileManager::openFileRaw(const Common::String &filename) {
restoreCurrentDir();
Common::SeekableReadStream *ret = NULL;
if (scumm_strnicmp(filename.c_str(), "savegame:", 9) == 0) {
CBSaveThumbFile *SaveThumbFile = new CBSaveThumbFile(_gameRef);
if (DID_SUCCEED(SaveThumbFile->open(filename))) {
ret = SaveThumbFile->getMemStream();
}
delete SaveThumbFile;
return ret;
}
ret = openDiskFile(filename, this);
if (ret) return ret;
ret = openPkgFile(filename, this);
if (ret) return ret;
ret = CBResources::getFile(filename);
if (ret) return ret;
warning("BFileManager::OpenFileRaw - Failed to open %s", filename.c_str());
return NULL;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::restoreCurrentDir() {
if (!_basePath) return STATUS_OK;
else {
/*if (!chdir(_basePath)) return STATUS_OK;
else return STATUS_FAILED;*/
warning("CBFileManager::RestoreCurrentDir - ignored");
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::setBasePath(const Common::String &path) {
cleanup();
if (path.c_str()) {
_basePath = new char[path.size() + 1];
strcpy(_basePath, path.c_str());
}
initPaths();
registerPackages();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBFileManager::findPackageSignature(Common::File *f, uint32 *offset) {
byte buf[32768];
byte signature[8];
((uint32 *)signature)[0] = PACKAGE_MAGIC_1;
((uint32 *)signature)[1] = PACKAGE_MAGIC_2;
uint32 fileSize = (uint32)f->size();
uint32 startPos = 1024 * 1024;
uint32 bytesRead = startPos;
while (bytesRead < fileSize - 16) {
uint32 toRead = MIN((unsigned int)32768, fileSize - bytesRead);
f->seek((int32)startPos, SEEK_SET);
uint32 actuallyRead = f->read(buf, toRead);
if (actuallyRead != toRead) return false;
for (uint32 i = 0; i < toRead - 8; i++)
if (!memcmp(buf + i, signature, 8)) {
*offset = startPos + i;
return true;
}
bytesRead = bytesRead + toRead - 16;
startPos = startPos + toRead - 16;
}
return false;
}
} // end of namespace WinterMute
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