stats tracking: Don't separate TNT31.WAD from TNT.WAD

CHANGELOG.md

@@ -18,6 +18,7 @@ Merged changes from [Nugget Doom 3.3.0](https://github.com/MrAlaux/Nugget-Doom/r
 - Minor improvements to rocket smoke physics have been introduced
 - _Detection of Targets in Darkness_ now accounts for fullbright frames
 - WAD stats are now saved every time a level is beaten
+- `TNT31.WAD` is now not considered a separate WAD by the _stats tracking_ system when loaded with `TNT.WAD`
 
 ## Bug Fixes
 

src/wad_stats.c

@@ -78,6 +78,13 @@ static char **DataDirNames(void)
         }
 
         const char *filename = M_BaseName(wadfiles[i].name);
+
+        // Do not separate the official TNT MAP31 fix from the base game
+        if (gamemission == pack_tnt && !strncasecmp(filename, "TNT31.WAD", 9))
+        {
+            continue;
+        }
+
         size_t length = strlen(filename) - 3;
         char *name = malloc(length);
         M_StringCopy(name, filename, length);
@@ -237,14 +244,24 @@ static void CreateStats(boolean finish)
     for (int i = numlumps - 1; i > 0; --i)
     {
         const char *lump_name = lumpinfo[i].name;
-        if (lumpinfo[i].source == source_other
+        const wad_source_t source = lumpinfo[i].source;
+        if (source == source_other
             || !MN_StartsWithMapIdentifier(lumpinfo[i].name)
             || MapStatsExist(lump_name))
         {
             continue;
         }
 
         char *wad_name = M_StringDuplicate(W_WadNameForLump(i));
+
+        // Do not separate the official TNT MAP31 fix from the base game
+        if (source == source_pwad && gamemission == pack_tnt
+            && !strncasecmp(wad_name, "TNT31.WAD", 9))
+        {
+            free(wad_name);
+            continue;
+        }
+
         if (!last_wad_name || strcmp(last_wad_name, wad_name))
         {
             last_wad_name = M_StringDuplicate(wad_name);