Initial Source Code commit
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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REDALERT/MIXFILE.H
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131
REDALERT/MIXFILE.H
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//
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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/MIXFILE.H 1 3/03/97 10:25a Joe_bostic $ */
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#ifndef MIXFILE_H
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#define MIXFILE_H
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/*
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** The "bool" integral type was defined by the C++ committee in
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** November of '94. Until the compiler supports this, use the following
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** definition.
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*/
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#ifndef __BORLANDC__
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#ifndef TRUE_FALSE_DEFINED
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#define TRUE_FALSE_DEFINED
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enum {false=0,true=1};
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typedef int bool;
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#endif
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#endif
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#include <stdlib.h>
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#include "listnode.h"
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#include "pk.h"
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#include "buff.h"
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template<class T>
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class MixFileClass : public Node<MixFileClass<T>>
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{
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public:
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char const * Filename; // Filename of mixfile.
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MixFileClass(char const *filename, PKey const * key);
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~MixFileClass(void);
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static bool Free(char const *filename);
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void Free(void);
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static void Free_All(void); // ST - 12/18/2019 11:35AM
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bool Cache(Buffer const * buffer = NULL);
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static bool Cache(char const *filename, Buffer const * buffer=NULL);
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static bool Offset(char const *filename, void ** realptr = 0, MixFileClass ** mixfile = 0, long * offset = 0, long * size = 0);
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static void const * Retrieve(char const *filename);
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struct SubBlock {
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long CRC; // CRC code for embedded file.
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long Offset; // Offset from start of data section.
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long Size; // Size of data subfile.
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int operator < (SubBlock & two) const {return (CRC < two.CRC);};
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int operator > (SubBlock & two) const {return (CRC > two.CRC);};
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int operator == (SubBlock & two) const {return (CRC == two.CRC);};
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};
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private:
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static MixFileClass * Finder(char const * filename);
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//long Offset(long crc, long * size = 0) const; // ST - 5/10/2019
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/*
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** If this mixfile has an attached message digest, then this flag
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** will be true. The digest is checked only when the mixfile is
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** cached.
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*/
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unsigned IsDigest:1;
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/*
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** If the header to this mixfile has been encrypted, then this flag
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** will be true. Although the header of the mixfile may be encrypted,
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** the attached data files are not.
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*/
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unsigned IsEncrypted:1;
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/*
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** If the cached memory block was allocated by this routine, then this
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** flag will be true.
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*/
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unsigned IsAllocated:1;
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/*
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** This is the initial file header. It tells how many files are embedded
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** within this mixfile and the total size of all embedded files.
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*/
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typedef struct {
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short count;
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long size;
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} FileHeader;
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/*
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** The number of files within the mixfile.
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*/
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int Count;
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/*
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** This is the total size of all the data file embedded within the mixfile.
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** It does not include the header or digest bytes.
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*/
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long DataSize;
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/*
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** Start of raw data in within the mixfile.
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*/
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long DataStart;
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/*
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** Points to the file header control block array. Each file in the mixfile will
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** have an entry in this table. The entries are sorted by their (signed) CRC value.
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*/
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SubBlock * HeaderBuffer;
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/*
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** If the mixfile has been cached, then this points to the cached data.
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*/
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void * Data; // Pointer to raw data.
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static List<MixFileClass> List;
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};
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#endif
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