Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// wadlib.h
//
// wad reading
//
#define CMP_NONE 0
#define CMP_LZSS 1
#define TYP_NONE 0
#define TYP_LABEL 1
#define TYP_LUMPY 64 // 64 + grab command number
typedef struct
{
char identification[4]; // should be WAD2 or 2DAW
int numlumps;
int infotableofs;
} wadinfo_t;
typedef struct
{
int filepos;
int disksize;
int size; // uncompressed
char type;
char compression;
char pad1, pad2;
char name[16]; // must be null terminated
} lumpinfo_t;
extern lumpinfo_t *lumpinfo; // location of each lump on disk
extern int numlumps;
extern wadinfo_t header;
void W_OpenWad (const char *filename);
int W_CheckNumForName (char *name);
int W_GetNumForName (char *name);
int W_LumpLength (int lump);
void W_ReadLumpNum (int lump, void *dest);
void *W_LoadLumpNum (int lump);
void *W_LoadLumpName (char *name);
void CleanupName (char *in, char *out);
//
// wad creation
//
void NewWad (char *pathname, qboolean bigendien);
void AddLump (char *name, void *buffer, int length, int type, int compress);
void WriteWad (int wad3);