Add weapon ammo to the weapon name

src/item.cpp

@@ -4024,16 +4024,31 @@ std::string item::display_name( unsigned int quantity ) const
         max_amount = to_joule( type->battery->max_capacity );
     }
 
+    std::string ammotext;
+    if( ( ( is_gun() && ammo_required() ) || is_magazine() ) && get_option<bool>( "AMMO_IN_NAMES" ) ) {
+        if( ammo_current() != "null" ) {
+            ammotext = item( ammo_current() ).ammo_type()->name();
+        } else {
+            ammotext = ammotype( *ammo_types( true ).begin() )->name();
+        }
+    }
+
     if( amount || show_amt ) {
         if( is_money() ) {
             amt = string_format( " $%.2f", amount / 100.0 );
         } else {
+            if( ammotext != "" ) {
+                ammotext = " " + ammotext;
+            }
+
             if( max_amount != 0 ) {
-                amt = string_format( " (%i/%i)", amount, max_amount );
+                amt = string_format( " (%i/%i%s)", amount, max_amount, ammotext );
             } else {
-                amt = string_format( " (%i)", amount );
+                amt = string_format( " (%i%s)", amount, ammotext );
             }
         }
+    } else if( ammotext != "" ) {
+        amt = " (" + ammotext + ")";
     }
 
     // This is a hack to prevent possible crashing when displaying maps as items during character creation

src/options.cpp

@@ -1549,6 +1549,10 @@ void options_manager::add_options_interface()
          translate_marker( "If true, show item symbols in inventory and pick up menu." ),
          false
        );
+    add( "AMMO_IN_NAMES", "interface", translate_marker( "Add ammo to weapon/magazine names" ),
+         translate_marker( "If true, the default ammo is added to weaon and magazine names. For example \"Mosin-Nagant M44 (4/5)\" becomes \"Mosin-Nagant M44 (4/5 7.62x54mm)\"." ),
+         true
+       );
 
     mOptionsSort["interface"]++;