010 Editor Template for Parsing Half-Life WAD3

WAD3.bt

//------------------------------------------------
//--- 010 Editor v7.0.2 Binary Template
//
//      File: WAD3
//   Authors: @fnky
//   Purpose: Parsing Half-Life WAD3 File
//  Category: Archive
// File Mask: *.wad
//  ID Bytes: 57 41 44 33, 57 41 44 32
//------------------------------------------------

#define MAXTEXTURENAME 16
#define MIPLEVELS 4

typedef enum <byte> {
    none = 0, // none
    decal = 0x40, // tempdecal.wad
    cached = 0x42, // cached.wad
    miptex = 0x43, // regular wad
    font = 0x46 // font, gfx.wad
} COMPTYPE;

typedef enum <ubyte> {
    no, // false
    yes // true
} bool;

typedef struct {
    char whMagic[4] <name = "Magic", comment = "The magic number tag">;
    unsigned int whDir <name = "Directory Size", comment = "The number of directory listings">;
    unsigned int whDirOffset <name = "Directory Offset", comment = "The offset of directory">;
} WADHEADER; // 12

typedef struct {
    int32 wdTextureOffset <name = "File Position", comment = "Position of lump entry">;
    int32 wdDiskSize <name = "Disk Size", comment = "Disk size of lump entry">;
    int32 wdSize <name = "Size", comment = "Data size of lump entry">;
    COMPTYPE wdType <name = "Type", comment = "Type of lump entry">;
    bool wdCompression <name = "Compression", comment = "Whether lump entry is compressed or not">;
    char wdPadding[2] <name = "Padding", comment = "Texture padding">;
    char wdName[MAXTEXTURENAME] <name = "Texture Names", comment = "Name of textures">;
} WADDIRENTRY; // 32 (WADLUMP)

typedef struct {
    char wtName[MAXTEXTURENAME];
    unsigned int  wtWidth;
    unsigned int  wtHeight;
    unsigned int  wtOffsetImage;
    unsigned int  wtOffsetMipMap1;
    unsigned int  wtOffsetMipMap2;
    unsigned int  wtOffsetMipMap3;
    unsigned char wtData;
    unsigned char wtDataMipMap1;
    unsigned char wtDataMipMap2;
    unsigned char wtDataMipMap3;
    short wtColors;
    unsigned char wtPalette[256 * 3];
    char wtPadding[2];
} WADTEXTURE;

LittleEndian();
SetBackColor( cLtGray );
WADHEADER wadh;

if (wadh.whMagic != "WAD3") {
    Warning("File is not a WAD. Template stopped.");
    return -1;
}

local uint dirSize = wadh.whDir;
local uint dirOffset = wadh.whDirOffset;

// Go to dir offset and read textures.
FSeek(dirOffset);

// Read until end of file to read all entries
while (!FEof())
{
    SetBackColor( cLtGreen );
    WADDIRENTRY wadd; 
}