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make missing IWAD tag non-fatal

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This prepares for additional IWAD support, w.g. HacX or REKKR.
This commit is contained in:
Fabian Greffrath 2021-06-28 09:03:32 +02:00
parent 3fb6d1a180
commit 2fc4173455
1 changed files with 2 additions and 5 deletions
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7
Source/d_main.c
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@ -707,7 +707,6 @@ static void CheckIWAD(const char *iwadname,
filelump_t lump;
wadinfo_t header;
const char *n = lump.name;
boolean noiwad = 0;
if (!fp)
I_Error("Can't open IWAD: %s\n",iwadname);
@ -716,8 +715,8 @@ static void CheckIWAD(const char *iwadname,
if (fread(&header, 1, sizeof header, fp) != sizeof header ||
header.identification[0] != 'I' || header.identification[1] != 'W' ||
header.identification[2] != 'A' || header.identification[3] != 'D')
// [FG] the BFG Edition IWADs have a PWAD signature
++noiwad;
// [FG] make non-fatal
fprintf(stderr,"IWAD tag not present: %s\n",iwadname);
fseek(fp, LONG(header.infotableofs), SEEK_SET);
@ -741,8 +740,6 @@ static void CheckIWAD(const char *iwadname,
}
fclose(fp);
if (noiwad && !bfgedition)
I_Error("IWAD tag not present: %s\n",iwadname);
*gmission = doom;
*hassec = false;