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https://github.com/libretro/scummvm.git
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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TRECISION_FASTFILE_H
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#define TRECISION_FASTFILE_H
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#include "common/archive.h"
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#include "common/array.h"
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#include "common/stream.h"
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namespace Trecision {
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class TrecisionEngine;
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struct FileEntry {
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Common::String name;
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uint32 offset;
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};
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class FastFile : public Common::Archive {
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public:
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FastFile();
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~FastFile() override;
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bool open(TrecisionEngine *vm, const Common::String &filename);
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void close();
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bool isOpen() const { return _stream != 0; }
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Common::SeekableReadStream *createReadStreamForCompressedMember(const Common::String &name);
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// Common::Archive API implementation
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bool hasFile(const Common::Path &path) const override;
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int listMembers(Common::ArchiveMemberList &list) const override;
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const Common::ArchiveMemberPtr getMember(const Common::Path &path) const override;
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Common::SeekableReadStream *createReadStreamForMember(const Common::Path &path) const override;
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private:
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Common::SeekableReadStreamEndian *_stream;
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Common::SeekableReadStream *_compStream;
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Common::Array<FileEntry> _fileEntries;
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uint8 *_compBuffer;
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const FileEntry *getEntry(const Common::String &name) const;
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void decompress(const uint8 *src, uint32 srcSize, uint8 *dst, uint32 decompSize);
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};
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} // End of namespace Trecision
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#endif
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