hufflists.h

/* 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/>.
 *
 */
 
/*
 * Based on
 * WebVenture (c) 2010, Sean Kasun
 * https://github.com/mrkite/webventure, http://seancode.com/webventure/
 *
 * Used with explicit permission from the author
 */
 
#ifndef MACVENTURE_HUFFLIST_H
#define MACVENTURE_HUFFLIST_H
 
namespace MacVenture {
 
// The engine uses a <= comparison instead of ==, so I can't use Common::Huffman
class HuffmanLists {
public:
    HuffmanLists() {
        _numEntries = 0;
    }
    HuffmanLists(uint32 num, uint32 *lens, uint32 *masks, uint32 *symbols) {
        _numEntries = num;
        _lens = Common::Array<uint32>(lens, num);
        _masks = Common::Array<uint32>(masks, num);
        _symbols = Common::Array<uint32>(symbols, num);
    }
    ~HuffmanLists() {}
 
 
    uint32 getNumEntries() const { return _numEntries; }
    uint32 getLength(uint32 index) const { return _lens[index]; }
    uint32 getMask(uint32 index) const { return _masks[index]; }
    uint32 getSymbol(uint32 index) const { return _symbols[index]; }
 
private:
    uint32 _numEntries;
    Common::Array<uint32> _lens;
    Common::Array<uint32> _masks;
    Common::Array<uint32> _symbols;
};
 
} // End of namespace MacVenture
 
#endif