diff --git a/artifacts/scripting/headers/command_lite.h b/artifacts/scripting/headers/command_lite.h
index f6de703e..7ed82592 100644
--- a/artifacts/scripting/headers/command_lite.h
+++ b/artifacts/scripting/headers/command_lite.h
@@ -93,6 +93,7 @@
 #define dude_elevation                      (elevation(dude_obj))
 
 #define tile_behind_obj(who)                (tile_num_in_direction(tile_num(who),((has_trait(TRAIT_OBJECT,who,OBJECT_CUR_ROT) + 3) % 6), 1))
+#define tile_behind_obj_rng(who, rng)       (tile_num_in_direction(tile_num(who),((has_trait(TRAIT_OBJECT,who,OBJECT_CUR_ROT) + 3) % 6), rng))
 
 #define dude_cur_hits                       (get_critter_stat(dude_obj,STAT_current_hp))
 #define dude_max_hits                       (get_critter_stat(dude_obj,STAT_max_hp))
diff --git a/artifacts/scripting/headers/lib.arrays.h b/artifacts/scripting/headers/lib.arrays.h
index bc0da2ce..2695cc27 100644
--- a/artifacts/scripting/headers/lib.arrays.h
+++ b/artifacts/scripting/headers/lib.arrays.h
@@ -131,7 +131,7 @@ procedure remove_array_block(variable arr, variable blocksize, variable index);
 /**
  * Converts any array to string for debugging purposes
  */
-procedure debug_array_str(variable arr);
+#define debug_array_str(arr)     debug_array_str_deep(arr, 1)
 
 #define display_array(arr)       display_msg(debug_array_str(arr))
 
@@ -618,8 +618,6 @@ end
   Different utility functions...
 */
 
-#define debug_array_str(arr)     debug_array_str_deep(arr, 1)
-
 procedure debug_array_str_deep(variable arr, variable levels) begin
 #define _newline if (levels > 1) then s += "\n";
 #define _indent ii := 0; while (ii < levels - 1) do begin s += "   "; ii++; end
diff --git a/artifacts/scripting/headers/command_extra.h b/artifacts/scripting/headers/lib.obj.h
similarity index 56%
rename from artifacts/scripting/headers/command_extra.h
rename to artifacts/scripting/headers/lib.obj.h
index f1375daf..4ffd6691 100644
--- a/artifacts/scripting/headers/command_extra.h
+++ b/artifacts/scripting/headers/lib.obj.h
@@ -1,12 +1,11 @@
-#ifndef COMMAND_EXTRA_H
-#define COMMAND_EXTRA_H
+#ifndef LIB_OBJ_H
+#define LIB_OBJ_H
 
 #include "define_lite.h"
 #include "define_extra.h"
 
-
-#define ammo_caliber(ammoPid)       get_proto_data(ammoPid, PROTO_AM_CALIBER)
 #define obj_name_safe(obj)          (obj_name(obj) if obj else "(null)")
 #define get_active_weapon(critter)  critter_inven_obj(critter, (2 - active_hand) if critter == dude_obj else INVEN_TYPE_RIGHT_HAND)
+#define obj_can_hear_and_shoot_obj(critter,target)   (obj_can_hear_obj(critter, target) and obj_blocking_line(critter, tile_num(target), BLOCKING_TYPE_SHOOT) == target)
 
 #endif