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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 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/fs.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);
static ClickteamInstaller* open(const Common::FSNode &node);
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
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