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#include <il/il.h>
typedef struct WADHEAD
{
GLbyte Type[4]; // either 'IWAD' or 'PWAD'
GLuint NumLumps;
GLuint DirOffset;
} WADHEAD;
typedef struct DIRENT
{
GLuint Offset;
GLuint Length;
GLbyte Name[8];
} DIRENT;
FILE *Wad;
WADHEAD WadHead;
GLuint OrigPos;
FILE *TestOpenWad(char *WadName)
{
Wad = fopen(WadName, "rb");
fread(&WadHead, sizeof(WADHEAD), 1, Wad);
fseek(Wad, WadHead.DirOffset, SEEK_SET);
OrigPos = WadHead.DirOffset;
return Wad;
}
GLboolean TestLocateLump(char *LumpName)
{
DIRENT DirEnt;
GLboolean NotFound = true;
GLuint DirsRead = 0;
fseek(Wad, OrigPos, SEEK_SET);
while (NotFound && DirsRead < WadHead.NumLumps) {
fread(&DirEnt, sizeof(DIRENT), 1, Wad);
if (!strnicmp(DirEnt.Name, LumpName, 8)) {
fseek(Wad, DirEnt.Offset, SEEK_SET);
return true;
}
DirsRead++;
}
return false;
}
GLvoid TestCloseWad()
{
if (Wad)
fclose(Wad);
Wad = NULL;
}
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