new command getclosestent

getclosestent
  Returns the entity index number of the closest entity (or of the
  pinned entity, if one exists). Returns -1, if no entities are on the map.
  Returns always exactly the entity, that edit commands like delent
  will use next.

DOCREF getclosestent

source/src/world.cpp

@@ -174,6 +174,7 @@ int closestent()        // used for delent and edit mode ent display
     }
     return best;
 }
+COMMANDF(getclosestent, "", () { intret(closestent()); });
 
 void entproperty(int *prop, float *famount, int *unscaled)
 {