bool inventory::has_amount(itype_id it, int quantity) { return (amount_of(it) >= quantity); }
int inventory::amount_of(itype_id it) const { return amount_of(it, true); }
bool inventory::has_amount(itype_id it, int quantity, bool used_as_tool) const { return (amount_of(it, used_as_tool) >= quantity); }
/* selection of component if a recipe requirement has multiple options (e.g. 'duct tap' or 'welder') */ comp_selection<item_comp> player::select_item_component( const std::vector<item_comp> &components, int batch, inventory &map_inv, bool can_cancel ) { std::vector<item_comp> player_has; std::vector<item_comp> map_has; std::vector<item_comp> mixed; comp_selection<item_comp> selected; for( const auto &component : components ) { itype_id type = component.type; int count = ( component.count > 0 ) ? component.count * batch : abs( component.count ); bool pl = false, mp = false; if( item::count_by_charges( type ) && count > 0 ) { if( has_charges( type, count ) ) { player_has.push_back( component ); pl = true; } if( map_inv.has_charges( type, count ) ) { map_has.push_back( component ); mp = true; } if( !pl && !mp && charges_of( type ) + map_inv.charges_of( type ) >= count ) { mixed.push_back( component ); } } else { // Counting by units, not charges if( has_amount( type, count ) ) { player_has.push_back( component ); pl = true; } if( map_inv.has_components( type, count ) ) { map_has.push_back( component ); mp = true; } if( !pl && !mp && amount_of( type ) + map_inv.amount_of( type ) >= count ) { mixed.push_back( component ); } } } /* select 1 component to use */ if( player_has.size() + map_has.size() + mixed.size() == 1 ) { // Only 1 choice if( player_has.size() == 1 ) { selected.use_from = use_from_player; selected.comp = player_has[0]; } else if( map_has.size() == 1 ) { selected.use_from = use_from_map; selected.comp = map_has[0]; } else { selected.use_from = use_from_both; selected.comp = mixed[0]; } } else { // Let the player pick which component they want to use uimenu cmenu; // Populate options with the names of the items for( auto &map_ha : map_has ) { std::string tmpStr = item::nname( map_ha.type ) + _( " (nearby)" ); cmenu.addentry( tmpStr ); } for( auto &player_ha : player_has ) { cmenu.addentry( item::nname( player_ha.type ) ); } for( auto &elem : mixed ) { std::string tmpStr = item::nname( elem.type ) + _( " (on person & nearby)" ); cmenu.addentry( tmpStr ); } // Unlike with tools, it's a bad thing if there aren't any components available if( cmenu.entries.empty() ) { if( has_trait( trait_id( "DEBUG_HS" ) ) ) { selected.use_from = use_from_player; return selected; } debugmsg( "Attempted a recipe with no available components!" ); selected.use_from = cancel; return selected; } if( can_cancel ) { cmenu.addentry( -1, true, 'q', _( "Cancel" ) ); } // Get the selection via a menu popup cmenu.title = _( "Use which component?" ); cmenu.query(); if( cmenu.ret == static_cast<int>( map_has.size() + player_has.size() + mixed.size() ) ) { selected.use_from = cancel; return selected; } size_t uselection = static_cast<size_t>( cmenu.ret ); if( uselection < map_has.size() ) { selected.use_from = usage::use_from_map; selected.comp = map_has[uselection]; } else if( uselection < map_has.size() + player_has.size() ) { uselection -= map_has.size(); selected.use_from = usage::use_from_player; selected.comp = player_has[uselection]; } else { uselection -= map_has.size() + player_has.size(); selected.use_from = usage::use_from_both; selected.comp = mixed[uselection]; } } return selected; }