75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
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/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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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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**
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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, see <http://www.gnu.org/licenses/>.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// //
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// (c) 2001-2003 Electronic Arts Inc. //
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// //
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////////////////////////////////////////////////////////////////////////////////
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// FILE: XferCRC.h ////////////////////////////////////////////////////////////////////////////////
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// Author: Colin Day, February 2002
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// Desc: Xfer hard disk read implementation
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef __XFERCRC_H_
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#define __XFERCRC_H_
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// USER INCLUDES //////////////////////////////////////////////////////////////////////////////////
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#include "Common/Xfer.h"
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// FORWARD REFERENCES /////////////////////////////////////////////////////////////////////////////
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class Snapshot;
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//-------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------
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class XferCRC : public Xfer
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{
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public:
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XferCRC( void );
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virtual ~XferCRC( void );
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// Xfer methods
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virtual void open( AsciiString identifier ); ///< start a CRC session with this xfer instance
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virtual void close( void ); ///< stop CRC session
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virtual Int beginBlock( void ); ///< start block event
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virtual void endBlock( void ); ///< end block event
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virtual void skip( Int dataSize ); ///< skip xfer event
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virtual void xferSnapshot( Snapshot *snapshot ); ///< entry point for xfering a snapshot
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// Xfer CRC methods
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virtual UnsignedInt getCRC( void ); ///< get computed CRC in network byte order
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protected:
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virtual void xferImplementation( void *data, Int dataSize );
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void addCRC( UnsignedInt val ); ///< CRC a 4-byte block
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UnsignedInt m_crc;
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};
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#endif // __XFERDISKWRITE_H_
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