Handle transformation of worn items affecting morale

src/iuse_actor.cpp

@@ -190,6 +190,7 @@ long iuse_transform::use( player &p, item &it, bool t, const tripoint &pos ) con
     if( p.is_worn( *obj ) ) {
         p.reset_encumbrance();
         p.update_bodytemp();
+        p.on_worn_item_transform( *obj );
     }
     obj->item_counter = countdown > 0 ? countdown : obj->type->countdown_interval;
     obj->active = active || obj->item_counter;

src/morale.cpp

@@ -11,6 +11,7 @@
 #include "input.h"
 #include "item.h"
 #include "itype.h"
+#include "iuse_actor.h"
 #include "morale_types.h"
 #include "options.h"
 #include "output.h"
@@ -565,6 +566,16 @@ void player_morale::on_item_takeoff( const item &it )
     set_worn( it, false );
 }
 
+void player_morale::on_worn_item_transform( const item &it )
+{
+    item dummy = it;
+    dummy.convert( dynamic_cast<iuse_transform *>( item::find_type(
+                       it.typeId() )->get_use( "transform" )->get_actor_ptr() )->target );
+
+    set_worn( dummy, false );
+    set_worn( it, true );
+}
+
 void player_morale::on_worn_item_washed( const item &it )
 {
     const auto update_body_part = [&]( body_part_data & bp_data ) {

src/morale.h

@@ -57,6 +57,7 @@ class player_morale
         void on_stat_change( const std::string &stat, int value );
         void on_item_wear( const item &it );
         void on_item_takeoff( const item &it );
+        void on_worn_item_transform( const item &it );
         void on_worn_item_washed( const item &it );
         void on_effect_int_change( const efftype_id &eid, int intensity, body_part bp = num_bp );
 

src/player.cpp

@@ -6770,6 +6770,10 @@ void player::check_and_recover_morale()
     }
 }
 
+void player::on_worn_item_transform( const item &it ) {
+	morale->on_worn_item_transform( it );
+}
+
 void player::process_active_items()
 {
     if( weapon.needs_processing() && weapon.process( this, pos(), false ) ) {

src/player.h

@@ -1228,6 +1228,7 @@ class player : public Character
         bool has_morale_to_read() const;
         /** Checks permanent morale for consistency and recovers it when an inconsistency is found. */
         void check_and_recover_morale();
+        void on_worn_item_transform( const item &it );
 
         /** Get the formatted name of the currently wielded item (if any) */
         std::string weapname() const;