mirror of
https://github.com/libretro/scummvm.git
synced 2025-02-07 19:36:21 +00:00
119 lines
4.2 KiB
C++
119 lines
4.2 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef COMMON_CLICKTEAM_H
|
|
#define COMMON_CLICKTEAM_H
|
|
|
|
#include "common/archive.h"
|
|
#include "common/ptr.h"
|
|
#include "common/stream.h"
|
|
#include "common/hashmap.h"
|
|
#include "common/hash-str.h"
|
|
|
|
namespace Common {
|
|
class ClickteamInstaller : public MemcachingCaseInsensitiveArchive {
|
|
public:
|
|
enum class ClickteamTagId : uint16 {
|
|
BANNER_IMAGE = 0x1235,
|
|
FILE_LIST = 0x123a,
|
|
STRINGS = 0x123e,
|
|
UNINSTALLER = 0x123f,
|
|
FILE_PATCHING_LIST = 0x1242,
|
|
};
|
|
|
|
class ClickteamTag : Common::NonCopyable {
|
|
protected:
|
|
ClickteamTag(uint16 tagId, byte *contents, uint32 size) : _tagId(tagId), _contents(contents), _size(size) {
|
|
}
|
|
friend class ClickteamInstaller;
|
|
public:
|
|
uint16 _tagId;
|
|
byte *_contents;
|
|
uint32 _size;
|
|
|
|
~ClickteamTag() {
|
|
delete[] _contents;
|
|
}
|
|
};
|
|
|
|
bool hasFile(const Common::Path &path) const override;
|
|
int listMembers(Common::ArchiveMemberList&) const override;
|
|
const ArchiveMemberPtr getMember(const Common::Path &path) const override;
|
|
Common::SharedArchiveContents readContentsForPath(const Common::Path &translated) const override;
|
|
|
|
ClickteamTag* getTag(ClickteamTagId tagId) const;
|
|
|
|
static ClickteamInstaller* openPatch(Common::SeekableReadStream *stream, bool verifyOriginal = true, bool verifyAllowSkip = true,
|
|
Common::Archive *reference = &SearchMan, DisposeAfterUse::Flag dispose = DisposeAfterUse::NO);
|
|
static ClickteamInstaller* open(Common::SeekableReadStream *stream, DisposeAfterUse::Flag dispose = DisposeAfterUse::NO);
|
|
|
|
private:
|
|
struct ClickteamPatchDescriptor {
|
|
uint32 _originalCRC;
|
|
uint32 _originalSize;
|
|
uint32 _patchDataOffset;
|
|
uint32 _patchSize;
|
|
};
|
|
class ClickteamFileDescriptor {
|
|
private:
|
|
Common::Path _fileName;
|
|
|
|
// Offset of the file contents relative to the beginning of block3
|
|
uint32 _fileDataOffset;
|
|
// Offset of file descriptor
|
|
uint32 _fileDescriptorOffset;
|
|
uint32 _compressedSize;
|
|
uint32 _uncompressedSize;
|
|
uint32 _expectedCRC;
|
|
bool _supported;
|
|
bool _isPatchFile;
|
|
bool _crcIsXorred;
|
|
bool _isReferenceMissing;
|
|
//uint16 _field1c;
|
|
Common::Array<ClickteamPatchDescriptor> _patchEntries;
|
|
|
|
ClickteamFileDescriptor(const ClickteamTag& contentsTag, uint32 off);
|
|
friend class ClickteamInstaller;
|
|
public:
|
|
// It's public for hashmap
|
|
ClickteamFileDescriptor() : _fileDataOffset(0), _fileDescriptorOffset(0), _compressedSize(0), _uncompressedSize(0) {}
|
|
};
|
|
|
|
ClickteamInstaller(const Common::HashMap<Common::Path, ClickteamFileDescriptor, Common::Path::IgnoreCase_Hash, Common::Path::IgnoreCase_EqualTo> &files,
|
|
const Common::HashMap<uint16, Common::SharedPtr<ClickteamTag>> &tags,
|
|
uint32 crcXor, uint32 block3Offset, uint32 block3Size, Common::SeekableReadStream *stream,
|
|
Common::Archive *reference,
|
|
DisposeAfterUse::Flag dispose)
|
|
: _files(files), _tags(tags), _crcXor(crcXor), _block3Offset(block3Offset), /*_block3Size(block3Size), */_stream(stream, dispose),
|
|
_reference(reference) {
|
|
}
|
|
|
|
static int findPatchIdx(const ClickteamFileDescriptor &desc, Common::SeekableReadStream *refStream, const Common::Path &fileName,
|
|
uint32 crcXor, bool doWarn);
|
|
Common::HashMap<Common::Path, ClickteamFileDescriptor, Common::Path::IgnoreCase_Hash, Common::Path::IgnoreCase_EqualTo> _files;
|
|
Common::HashMap<uint16, Common::SharedPtr<ClickteamTag>> _tags;
|
|
Common::DisposablePtr<Common::SeekableReadStream> _stream;
|
|
uint32 _crcXor, _block3Offset/*, _block3Size*/;
|
|
Common::Archive *_reference;
|
|
};
|
|
}
|
|
#endif
|