1 files changed, 18 insertions, 0 deletions
diff --git a/crawl-ref/source/items.cc b/crawl-ref/source/items.cc
index 1675ec0c9b..498722a4a4 100644
--- a/crawl-ref/source/items.cc
+++ b/crawl-ref/source/items.cc
@@ -2019,6 +2019,24 @@ int get_equip_slot(const item_def *item)
     return worn;
 }
 
+mon_inv_type get_mon_equip_slot(const monsters* mon, const item_def &item)
+{
+    ASSERT(mon->alive());
+
+    mon_inv_type slot = item_to_mslot(item);
+
+    if (slot == NUM_MONSTER_SLOTS)
+        return NUM_MONSTER_SLOTS;
+
+	if (mon->mslot_item(slot) == &item)
+        return slot;
+
+    if (slot == MSLOT_WEAPON && mon->mslot_item(MSLOT_ALT_WEAPON) == &item)
+        return MSLOT_ALT_WEAPON;
+
+	return NUM_MONSTER_SLOTS;
+}
+
 static std::string _drop_selitem_text( const std::vector<MenuEntry*> *s )
 {
     char buf[130];