scummvm/engines/director/archive.h
2021-12-26 18:48:43 +01:00

142 lines
4.5 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 DIRECTOR_ARCHIVE_H
#define DIRECTOR_ARCHIVE_H
namespace Common {
class MacResManager;
class SeekableMemoryWriteStream;
class SeekableReadStreamEndian;
class SeekableReadStream;
}
namespace Director {
// Completely ripped off of Mohawk's Archive code
struct Resource {
uint32 index;
int32 offset;
uint32 size;
uint32 uncompSize;
uint32 compressionType;
uint32 castId;
uint32 tag;
Common::String name;
Common::Array<Resource> children;
};
class Archive {
public:
Archive();
virtual ~Archive();
virtual bool openFile(const Common::String &fileName);
virtual bool openStream(Common::SeekableReadStream *stream, uint32 offset = 0) = 0;
virtual void close();
Common::String getPathName() const { return _pathName; }
Common::String getFileName() const;
void setPathName(const Common::String &name) { _pathName = name; }
int getFileSize();
bool isOpen() const { return _stream != 0; }
bool hasResource(uint32 tag, int id) const;
bool hasResource(uint32 tag, const Common::String &resName) const;
virtual Common::SeekableReadStreamEndian *getResource(uint32 tag, uint16 id);
virtual Common::SeekableReadStreamEndian *getFirstResource(uint32 tag);
virtual Resource getResourceDetail(uint32 tag, uint16 id);
uint32 getOffset(uint32 tag, uint16 id) const;
uint16 findResourceID(uint32 tag, const Common::String &resName, bool ignoreCase = false) const;
Common::String getName(uint32 tag, uint16 id) const;
Common::Array<uint32> getResourceTypeList() const;
Common::Array<uint16> getResourceIDList(uint32 type) const;
bool _isBigEndian;
static uint32 convertTagToUppercase(uint32 tag);
protected:
Common::SeekableReadStream *_stream;
typedef Common::HashMap<uint16, Resource> ResourceMap;
typedef Common::HashMap<uint32, ResourceMap> TypeMap;
TypeMap _types;
Common::String _pathName;
};
class MacArchive : public Archive {
public:
MacArchive();
~MacArchive() override;
void close() override;
bool openFile(const Common::String &fileName) override;
bool openStream(Common::SeekableReadStream *stream, uint32 startOffset = 0) override;
Common::SeekableReadStreamEndian *getResource(uint32 tag, uint16 id) override;
private:
Common::MacResManager *_resFork;
void readTags();
};
class RIFFArchive : public Archive {
public:
RIFFArchive() : Archive() { _startOffset = 0; }
~RIFFArchive() override {}
bool openStream(Common::SeekableReadStream *stream, uint32 startOffset = 0) override;
Common::SeekableReadStreamEndian *getResource(uint32 tag, uint16 id) override;
uint32 _startOffset;
};
class RIFXArchive : public Archive {
public:
RIFXArchive();
~RIFXArchive() override;
bool openStream(Common::SeekableReadStream *stream, uint32 startOffset = 0) override;
Common::SeekableReadStreamEndian *getFirstResource(uint32 tag) override;
virtual Common::SeekableReadStreamEndian *getFirstResource(uint32 tag, bool fileEndianness);
Common::SeekableReadStreamEndian *getResource(uint32 tag, uint16 id) override;
virtual Common::SeekableReadStreamEndian *getResource(uint32 tag, uint16 id, bool fileEndianness);
Resource getResourceDetail(uint32 tag, uint16 id) override;
private:
bool readMemoryMap(Common::SeekableReadStreamEndian &stream, uint32 moreOffset, Common::SeekableMemoryWriteStream *dumpStream, uint32 movieStartOffset);
bool readAfterburnerMap(Common::SeekableReadStreamEndian &stream, uint32 moreOffset);
void readCast(Common::SeekableReadStreamEndian &casStream);
void readKeyTable(Common::SeekableReadStreamEndian &keyStream);
protected:
uint32 _rifxType;
Common::Array<Resource *> _resources;
Common::HashMap<uint32, byte *> _ilsData;
uint32 _ilsBodyOffset;
};
} // End of namespace Director
#endif