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Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.

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LFeenanEA 2025-02-27 17:34:39 +00:00
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GeneralsMD/Code/Libraries/Source/Compression/Compression.h Normal file
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/*
** Command & Conquer Generals Zero Hour(tm)
** Copyright 2025 Electronic Arts Inc.
**
** 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/>.
*/
// FILE: Compression.h ///////////////////////////////////////////////////////
// Author: Matthew D. Campbell
//////////////////////////////////////////////////////////////////////////////
#pragma once
#ifndef __COMPRESSION_H__
#define __COMPRESSION_H__
#include "Lib/BaseType.h"
enum CompressionType
{
COMPRESSION_MIN = 0,
COMPRESSION_NONE = COMPRESSION_MIN,
COMPRESSION_REFPACK,
COMPRESSION_MAX = COMPRESSION_REFPACK,
COMPRESSION_NOXLZH,
COMPRESSION_ZLIB1,
COMPRESSION_ZLIB2,
COMPRESSION_ZLIB3,
COMPRESSION_ZLIB4,
COMPRESSION_ZLIB5,
COMPRESSION_ZLIB6,
COMPRESSION_ZLIB7,
COMPRESSION_ZLIB8,
COMPRESSION_ZLIB9,
COMPRESSION_BTREE,
COMPRESSION_HUFF,
};
class CompressionManager
{
public:
static Bool isDataCompressed( const void *mem, Int len );
static CompressionType getCompressionType( const void *mem, Int len );
static Int getMaxCompressedSize( Int uncompressedLen, CompressionType compType );
static Int getUncompressedSize( const void *mem, Int len );
static Int compressData( CompressionType compType, void *src, Int srcLen, void *dest, Int destLen ); // 0 on error
static Int decompressData( void *src, Int srcLen, void *dest, Int destLen ); // 0 on error
static const char *getCompressionNameByType( CompressionType compType );
// For perf timers, so we can have separate ones for compression/decompression
static const char *getDecompressionNameByType( CompressionType compType );
static CompressionType getPreferredCompression( void );
};
#endif // __COMPRESSION_H__