CnC_Remastered_Collection/TIBERIANDAWN/MIXFILE.H

85 lines
3.9 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: F:\projects\c&c\vcs\code\mixfile.h_v 2.18 16 Oct 1995 16:47:22 JOE_BOSTIC $ */
/***********************************************************************************************
*** 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 ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : MIXFILE.H *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : October 18, 1994 *
* *
* Last Update : October 18, 1994 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef MIXFILE_H
#define MIXFILE_H
#include <wwlib32.h>
#include "link.h"
class MixFileClass : public LinkClass
{
public:
char const *Filename; // Filename of mixfile.
MixFileClass(char const *filename);
~MixFileClass(void);
static bool Free(char const *filename);
static void Free_All(void);
void Free(void);
bool Cache(void);
static bool Cache(char const *filename);
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);
typedef struct {
short count;
long size;
} FileHeader;
int Count; // Number of sub-blocks.
long DataSize; // Size of raw data.
SubBlock * Buffer; // Array of sub blocks (could be in EMS).
void *Data; // Pointer to raw data.
static MixFileClass * First;
};
#endif