105 lines
4.8 KiB
C++
105 lines
4.8 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/CCFILE.H 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : CCFILE.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : October 17, 1994 *
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* *
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* Last Update : October 17, 1994 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef CCFILE_H
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#define CCFILE_H
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//#include <wwlib32.h>
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#include <limits.h>
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#include "mixfile.h"
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#include "cdfile.h"
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#include "buff.h"
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/*
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** This derived class for file access knows about mixfiles (packed files). It can handle opening
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** a file that is embedded within a mixfile. This is true if the mixfile is cached or resides on
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** disk. It is functionally similar to pakfiles, except much faster and less RAM intensive.
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*/
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class CCFileClass : public CDFileClass
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{
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public:
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CCFileClass(char const * filename);
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CCFileClass(void);
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virtual ~CCFileClass(void) {Position = 0;};
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// Delete should be overloaded here as well. Don't allow deletes of mixfiles.
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bool Is_Resident(void) const {return(Data.Get_Buffer() != NULL);}
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virtual int Is_Available(int forced=false);
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virtual int Is_Open(void) const;
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virtual int Open(char const * filename, int rights=READ) {Set_Name(filename);return Open(rights);};
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virtual int Open(int rights=READ);
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virtual long Read(void * buffer, long size);
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virtual long Seek(long pos, int dir=SEEK_CUR);
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virtual long Size(void);
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virtual long Write(void const * buffer, long size);
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virtual void Close(void);
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virtual unsigned long Get_Date_Time(void);
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virtual bool Set_Date_Time(unsigned long datetime);
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virtual void Error(int error, int canretry = false, char const * filename=NULL);
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private:
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/*
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** This indicates the file is actually part of a resident image of the mixfile
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** itself. In this case, the embedded file handle is invalid. All file access actually
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** gets routed through the cached version of the file. This is a pointer to the start
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** of the RAM image of the file.
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*/
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::Buffer Data;
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// void * Pointer;
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/*
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** This is the size of the file if it was embedded in a mixfile. The size must be manually
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** kept track of because the DOS file size is invalid.
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*/
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// long Length;
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/*
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** This is the current seek position of the file. It is duplicated here if the file is
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** part of a mixfile since the DOS seek position is not accurate. This value will
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** range from zero to the size of the file in bytes.
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*/
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long Position;
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// Force these to never be invoked.
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CCFileClass const & operator = (CCFileClass const & c);
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CCFileClass (CCFileClass const & );
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};
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template <> class MixFileClass<CDFileClass>;
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#endif
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