qbsp: add -omitdetail option

man/qbsp.1

@@ -80,6 +80,8 @@ Generate a hexen2 bsp.
 "-wrbrushes" combined with "-noclip" argument.
 .IP "\fB\-notex\fP"
 Write only placeholder textures, to depend upon replacements.
+.IP "\fB\-omitdetail\fP"
+Detail brushes are omitted from the compile.
 
 .SH "SPECIAL TEXTURE NAMES"
 .PP

qbsp/brush.cc

@@ -992,6 +992,11 @@ Brush_LoadEntity(mapentity_t *dst, const mapentity_t *src, const int hullnum)
         if (contents == CONTENTS_ORIGIN)
             continue;
         
+        /* -omitdetail option */
+        if (options.fOmitDetail
+            && ((cflags & CFLAGS_DETAIL) == CFLAGS_DETAIL))
+            continue;
+        
         /*
          * "clip" brushes don't show up in the draw hull, but we still want to
          * include them in the model bounds so collision detection works

qbsp/qbsp.cc

@@ -629,6 +629,7 @@ PrintOptions(void)
            "   -maxnodesize [n]Triggers simpler BSP Splitting when node exceeds size (default 1024, 0 to disable)\n"
            "   -epsilon [n]    Customize ON_EPSILON (default 0.0001)\n"
            "   -objexport      Export the map file as an .OBJ model after the CSG phase\n"
+           "   -omitdetail     Detail brushes are omitted from the compile\n"
            "   sourcefile      .MAP file to process\n"
            "   destfile        .BSP file to output\n");
 
@@ -806,6 +807,8 @@ ParseOptions(char *szOptions)
                 szTok = szTok2;
             } else if (!Q_strcasecmp(szTok, "objexport")) {
                 options.fObjExport = true;
+            } else if (!Q_strcasecmp(szTok, "omitdetail")) {
+                options.fOmitDetail = true;
             } else if (!Q_strcasecmp(szTok, "?") || !Q_strcasecmp(szTok, "help"))
                 PrintOptions();
             else

qbsp/qbsp.hh

@@ -505,6 +505,7 @@ typedef struct options_s {
     char wadPath[512];
     vec_t on_epsilon;
     bool fObjExport;
+    bool fOmitDetail;
 } options_t;
 
 extern options_t options;