cave generation

Author: goblinhack

src/level.cpp

@@ -333,6 +333,10 @@ void level_map_set(Gamep g, Levelsp v, Levelp l, const char *in)
           need_floor = true;
           tp         = nullptr; /* todo */
           break;
+        case CHARMAP_WATER :
+          need_floor = true;
+          tp         = nullptr; /* todo */
+          break;
         case CHARMAP_SHALLOW_WATER :
           need_floor = true;
           tp         = nullptr; /* todo */