mirror of
https://github.com/FWGS/xash3d-fwgs
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90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
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hpak.c - custom user package to send other clients
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Copyright (C) 2010 Uncle Mike
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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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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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#ifndef HPAK_H
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#define HPAK_H
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#include "custom.h"
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/*
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========================================================================
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.HPK archive format (Hash PAK - HPK)
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List of compressed files, that can be identify only by TYPE_*
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<format>
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header: dwadinfo_t[dwadinfo_t]
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file_1: byte[dwadinfo_t[num]->disksize]
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file_2: byte[dwadinfo_t[num]->disksize]
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file_3: byte[dwadinfo_t[num]->disksize]
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...
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file_n: byte[dwadinfo_t[num]->disksize]
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infotable dlumpinfo_t[dwadinfo_t->numlumps]
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========================================================================
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*/
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#define IDHPAKHEADER (('K'<<24)+('A'<<16)+('P'<<8)+'H') // little-endian "HPAK"
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#define IDHPAK_VERSION 1
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// a1ba: because Valve for some reason writes resource_t to file
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// I had to make it crossplatform version
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#pragma pack( push, 8 )
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typedef struct dresource_s
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{
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char szFileName[64]; /* 0 64 */
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/* --- cacheline 1 boundary (64 bytes) --- */
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resourcetype_t type; /* 64 4 */
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int nIndex; /* 68 4 */
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int nDownloadSize; /* 72 4 */
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unsigned char ucFlags; /* 76 1 */
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unsigned char rgucMD5_hash[16]; /* 77 16 */
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unsigned char playernum; /* 93 1 */
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unsigned char rguc_reserved[32]; /* 94 32 */
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/* XXX 2 bytes hole, try to pack */
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/* --- cacheline 2 boundary (128 bytes) --- */
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uint32_t pNext; /* 128 4 */
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uint32_t pPrev; /* 132 4 */
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/* size: 136, cachelines: 3, members: 10 */
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/* sum members: 134, holes: 1, sum holes: 2 */
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/* last cacheline: 8 bytes */
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} dresource_t;
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#pragma pack( pop )
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STATIC_ASSERT( sizeof( dresource_t ) == 136, "invalid dresource_t size, HPAKs won't be compatible (no custom logo in multiplayer!)" );
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typedef struct
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{
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int ident; // should be equal HPAK
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int version;
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int infotableofs;
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} hpak_header_t;
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typedef struct
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{
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dresource_t resource;
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int filepos;
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int disksize;
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} hpak_lump_t;
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typedef struct
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{
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int count;
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hpak_lump_t *entries; // variable sized.
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} hpak_info_t;
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#endif // HPAK_H
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