106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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** Command & Conquer Red Alert(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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#ifndef VQMMIXFILE_H
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#define VQMMIXFILE_H
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/****************************************************************************
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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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*
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* FILE
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* mixfile.h
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*
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* DESCRIPTION
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* A mix file is basically a group of files concatinated together
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* proceeded by a header describing where in the file each individual
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* entry is located. These definitions are provided to simplify the access
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* to these file entries.
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*
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* PROGRAMMER
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* Denzil E. Long, Jr.
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*
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* DATE
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* January 26, 1995
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*
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****************************************************************************/
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/* Disable structure alignment.*/
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#ifdef __WATCOMC__
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#pragma pack(1);
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#endif
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/*---------------------------------------------------------------------------
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* STRUCTURE DEFINITIONS
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*-------------------------------------------------------------------------*/
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/* MIXHeader: Mix file data header.
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*
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* Count - Number of entries contained in this mix file.
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* Size - Size of Mix file.
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*/
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typedef struct _MIXHeader {
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short Count;
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long Size;
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} MIXHeader;
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/* MIXSubBlock: Mix file entry descriptor.
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*
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* CRC - Unique entry identifier.
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* Offset - Offset from beginning of data segment to entry.
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* Size - Size of entry.
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*/
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typedef struct _MIXSubBlock {
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long CRC;
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long Offset;
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long Size;
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} MIXSubBlock;
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/* MIXHandle: Mix file handle.
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*
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* Name - Pointer to the name of the mix file this handle is for.
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* Size - Size of entire mix file.
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* FH - DOS file handle of opened entry.
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* Count - Number of files contained in this mix.
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* Entries - Array of 'Count' MIXSubBlock structure entries.
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*/
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typedef struct _MIXHandle {
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char *Name;
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long Size;
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long FH;
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long Count;
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MIXSubBlock Entries[];
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} MIXHandle;
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/*---------------------------------------------------------------------------
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* PROTOTYPES
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*-------------------------------------------------------------------------*/
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MIXHandle *OpenMix(char *name);
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void CloseMix(MIXHandle *mix);
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long OpenMixEntry(MIXHandle *mix, char *name);
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/* Restore original alignment */
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#ifdef __WATCOMC__
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#pragma pack();
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#endif
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#endif /* VQMMIXFILE_H */
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