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dde259f068
All users of BitStream were in fact using a specific, hardcoded variant, so we can hardcode that variant, removing the need for virtual calls, and enabling inlining.
89 lines
2.1 KiB
C++
89 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* Based on
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* WebVenture (c) 2010, Sean Kasun
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* https://github.com/mrkite/webventure, http://seancode.com/webventure/
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*
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* Used with explicit permission from the author
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*/
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#ifndef MACVENTURE_CONTAINER_H
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#define MACVENTURE_CONTAINER_H
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#include "macventure/macventure.h"
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#include "common/file.h"
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#include "common/fs.h"
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namespace MacVenture {
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struct ItemGroup {
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uint32 bitOffset; //It's really uint24
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uint32 offset; //It's really uint24
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uint32 lengths[64];
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};
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typedef uint32 ContainerHeader;
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class Container {
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public:
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Container(Common::String filename);
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~Container();
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public:
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/**
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* Must be called before retrieving an object.
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*/
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uint32 getItemByteSize(uint32 id);
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/**
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* getItemByteSize should be called before this one
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*/
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Common::SeekableReadStream *getItem(uint32 id);
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protected:
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bool _simplified;
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uint _lenObjs; // In the case of simple container, lenght of an object
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uint _numObjs;
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ContainerHeader _header;
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Common::Array<uint16> _huff; // huffman masks
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Common::Array<uint8> _lens; // huffman lengths
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Common::Array<ItemGroup> _groups;
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Common::String _filename;
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Common::File _file;
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Common::SeekableReadStream *_res;
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};
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} // End of namespace MacVenture
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#endif
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