72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
|
|
** Command & Conquer Generals(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__
|