char testcd( char *fn, long testsiz )
{
DWORD driveletters;
int i, fil, dalen;
char name[32]="x:\\SUPPORT\\",driv[4]="x:\\";
strcat(name,fn);
driveletters = GetLogicalDrives();
for (i=2; i<26; i++) {
if (!(driveletters & (1ul<<i))) continue;
driv[0] = 'A'+i;
if (GetDriveType(driv) != DRIVE_CDROM) continue;
name[0] = 'A'+i;
fil = Bopen(name,O_RDONLY,S_IREAD);
if (fil<0) continue;
dalen = Bfilelength(fil);
Bclose(fil);
if (dalen == testsiz) {
initprintf("Copy Protection: Found CDROM in drive %c:\n", driv[0]);
return 0;
}
}
wm_msgbox("Duke Nukem 3D","Copy Protection: Failed to find CDROM");
return 1;
}
static void texcache_closefiles(void)
{
if (texcache.filehandle != -1)
{
Bclose(texcache.filehandle);
texcache.filehandle = -1;
}
MAYBE_FCLOSE_AND_NULL(texcache.index);
}
void convpalette(void)
{
int i, fil3;
short danumshades;
i = 0;
while (Bstrncasecmp(wadata[i],"PLAYPAL",7) != 0) i++;
Blseek(fil1,wadplc[i],BSEEK_SET);
Bread(fil1,pal,768);
for(i=0;i<768;i++) pal[i] >>= 2;
i = 0;
while (Bstrncasecmp(wadata[i],"COLORMAP",8) != 0) i++;
Blseek(fil1,wadplc[i],BSEEK_SET);
Bread(fil1,palookup,8192);
if ((fil3 = Bopen("palette.dat",BO_BINARY|BO_TRUNC|BO_CREAT|BO_WRONLY,BS_IREAD|BS_IWRITE)) == -1)
{ Bprintf("Cannot save palette.dat\n"); exit(0); }
Bwrite(fil3,pal,768);
danumshades = 32;
Bwrite(fil3,&danumshades,2);
Bwrite(fil3,palookup,8192);
Bclose(fil3);
}