Add the definition for bonus crafting speed

Currently you need to duplicate recipes to include new tools.
This results in bloated crafting gui and repeated json data
related to CleverRaven#54348 , CleverRaven#42556 , CleverRaven#45157

src/requirements.cpp

@@ -865,6 +865,18 @@ bool requirement_data::can_make_with_inventory( const read_only_visitable &craft
     return retval;
 }
 
+float requirement_data::get_tool_bonus_speed_with_inventory( const read_only_visitable
+        &crafting_inv,
+        const std::function<bool( const item & )> &filter, int batch, craft_flags flags ) const
+{
+
+    float tool_bonus = 1.0f;
+    // has_comps( crafting_inv, components, filter, batch );
+    // TODO: Iterate reqs and calculate bonus
+
+    return tool_bonus;
+}
+
 template<typename T>
 bool requirement_data::has_comps( const read_only_visitable &crafting_inv,
                                   const std::vector< std::vector<T> > &vec,

src/requirements.h

@@ -344,6 +344,14 @@ struct requirement_data {
         bool can_make_with_inventory( const read_only_visitable &crafting_inv,
                                       const std::function<bool( const item & )> &filter, int batch = 1,
                                       craft_flags = craft_flags::none ) const;
+        /**
+        * Returns the speed multiplier for optional tools fulfilled by the filtered inventory
+        * @param filter should be recipe::get_component_filter() if used with a recipe
+        * or is_crafting_component otherwise.
+        */
+        float get_tool_bonus_speed_with_inventory( const read_only_visitable &crafting_inv,
+                const std::function<bool( const item & )> &filter, int batch = 1,
+                craft_flags = craft_flags::none ) const;
 
         /** @param filter see @ref can_make_with_inventory */
         std::vector<std::string> get_folded_components_list( int width, nc_color col,