add bathroom scale

data/json/item_actions.json

@@ -1064,6 +1064,11 @@
     "id": "PANACEA",
     "name": "Take"
   },
+  {
+    "type": "item_action",
+    "id": "weigh_self",
+    "name": "Use Scale"
+  },
   {
     "type": "item_action",
     "id": "CRAFT",

data/json/items/tools.json

@@ -9414,5 +9414,20 @@
     "symbol": ";",
     "color": "light_gray",
     "qualities": [ [ "VICE", 1 ] ]
+  },
+  {
+    "id": "bathroom_scale",
+    "type": "TOOL",
+    "name": "bathroom scale",
+    "symbol": "■",
+    "color": "light_grey",
+    "description": "This is a small bathroom scale, meant to weigh a person while naked.",
+    "weight": 1200,
+    "volume": 4,
+    "price": "500",
+    "to_hit": -2,
+    "bashing": 6,
+    "material": "steel",
+    "use_action": { "type": "weigh_self", "max_weight": 150000 }
   }
 ]

src/item_factory.cpp

@@ -801,6 +801,7 @@ void Item_factory::init()
     add_actor( new deploy_tent_actor() );
     add_actor( new learn_spell_actor() );
     add_actor( new cast_spell_actor() );
+    add_actor( new weigh_self_actor() );
     // An empty dummy group, it will not spawn anything. However, it makes that item group
     // id valid, so it can be used all over the place without need to explicitly check for it.
     m_template_groups["EMPTY_GROUP"].reset( new Item_group( Item_group::G_COLLECTION, 100, 0, 0 ) );

src/iuse_actor.cpp

@@ -4243,3 +4243,31 @@ bool deploy_tent_actor::check_intact( const tripoint &center ) const
     }
     return true;
 }
+
+void weigh_self_actor::info( const item &, std::vector<iteminfo> &dump ) const
+{
+    dump.emplace_back( "DESCRIPTION",
+                       _( "Use this item to weigh yourself.  Includes everything you are wearing." ) );
+}
+
+int weigh_self_actor::use( player &p, item &, bool, const tripoint & ) const
+{
+    // this is a weight, either in kgs or in lbs.
+    double weight = convert_weight( p.get_weight() );
+    if( weight > convert_weight( max_weight ) ) {
+        popup( _( "ERROR: Max weight of %.0f %s exceeded" ), convert_weight( max_weight ), weight_units() );
+    } else {
+        popup( string_format( "%.0f %s", weight, weight_units() ) );
+    }
+    return 0;
+}
+
+void weigh_self_actor::load( JsonObject &jo )
+{
+    assign( jo, "max_weight", max_weight );
+}
+
+iuse_actor *weigh_self_actor::clone() const
+{
+    return new weigh_self_actor( *this );
+}

src/iuse_actor.h

@@ -1080,4 +1080,21 @@ class deploy_tent_actor : public iuse_actor
         bool check_intact( const tripoint &pos ) const;
 };
 
+/**
+* Weigh yourself on a bathroom scale. or something.
+*/
+class weigh_self_actor : public iuse_actor
+{
+    public:
+        // max weight this device can handle before showing "error"
+        units::mass max_weight;
+
+        weigh_self_actor( const std::string &type = "weigh_self" ) : iuse_actor( type ) {}
+
+        ~weigh_self_actor() override = default;
+        void load( JsonObject &jo ) override;
+        int use( player &p, item &itm, bool, const tripoint & ) const override;
+        iuse_actor *clone() const override;
+        void info( const item &, std::vector<iteminfo> & ) const override;
+};
 #endif