CnC_Remastered_Collection/REDALERT/MIXFILE.H
PG-SteveT 03416d24e1 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.
2020-05-27 12:16:20 -07:00

131 lines
3.8 KiB
C++

//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code 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.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/* $Header: /CounterStrike/MIXFILE.H 1 3/03/97 10:25a Joe_bostic $ */
#ifndef MIXFILE_H
#define MIXFILE_H
/*
** The "bool" integral type was defined by the C++ committee in
** November of '94. Until the compiler supports this, use the following
** definition.
*/
#ifndef __BORLANDC__
#ifndef TRUE_FALSE_DEFINED
#define TRUE_FALSE_DEFINED
enum {false=0,true=1};
typedef int bool;
#endif
#endif
#include <stdlib.h>
#include "listnode.h"
#include "pk.h"
#include "buff.h"
template<class T>
class MixFileClass : public Node<MixFileClass<T>>
{
public:
char const * Filename; // Filename of mixfile.
MixFileClass(char const *filename, PKey const * key);
~MixFileClass(void);
static bool Free(char const *filename);
void Free(void);
static void Free_All(void); // ST - 12/18/2019 11:35AM
bool Cache(Buffer const * buffer = NULL);
static bool Cache(char const *filename, Buffer const * buffer=NULL);
static bool Offset(char const *filename, void ** realptr = 0, MixFileClass ** mixfile = 0, long * offset = 0, long * size = 0);
static void const * Retrieve(char const *filename);
struct SubBlock {
long CRC; // CRC code for embedded file.
long Offset; // Offset from start of data section.
long Size; // Size of data subfile.
int operator < (SubBlock & two) const {return (CRC < two.CRC);};
int operator > (SubBlock & two) const {return (CRC > two.CRC);};
int operator == (SubBlock & two) const {return (CRC == two.CRC);};
};
private:
static MixFileClass * Finder(char const * filename);
//long Offset(long crc, long * size = 0) const; // ST - 5/10/2019
/*
** If this mixfile has an attached message digest, then this flag
** will be true. The digest is checked only when the mixfile is
** cached.
*/
unsigned IsDigest:1;
/*
** If the header to this mixfile has been encrypted, then this flag
** will be true. Although the header of the mixfile may be encrypted,
** the attached data files are not.
*/
unsigned IsEncrypted:1;
/*
** If the cached memory block was allocated by this routine, then this
** flag will be true.
*/
unsigned IsAllocated:1;
/*
** This is the initial file header. It tells how many files are embedded
** within this mixfile and the total size of all embedded files.
*/
typedef struct {
short count;
long size;
} FileHeader;
/*
** The number of files within the mixfile.
*/
int Count;
/*
** This is the total size of all the data file embedded within the mixfile.
** It does not include the header or digest bytes.
*/
long DataSize;
/*
** Start of raw data in within the mixfile.
*/
long DataStart;
/*
** Points to the file header control block array. Each file in the mixfile will
** have an entry in this table. The entries are sorted by their (signed) CRC value.
*/
SubBlock * HeaderBuffer;
/*
** If the mixfile has been cached, then this points to the cached data.
*/
void * Data; // Pointer to raw data.
static List<MixFileClass> List;
};
#endif