C++ item::is_food_container方法代码示例

/*static*/ bool inventory::has_category(const item& it, item_cat cat, const player& u) {
    switch (cat)
    {
    case IC_COMESTIBLE: // food
        if (it.is_food(&u) || it.is_food_container(&u))
        {
             return true;
        }
        break;
    case IC_AMMO: // ammo
        if (it.is_ammo() || it.is_ammo_container())
        {
             return true;
        }
        break;
    case IC_ARMOR: // armour
        if (it.is_armor())
        {
             return true;
        }
        break;
    case IC_BOOK: // books
        if (it.is_book())
        {
             return true;
        }
        break;
    case IC_TOOL: // tools
        if (it.is_tool())
        {
             return true;
        }
        break;
    case IC_CONTAINER: // containers for liquid handling
        if (it.is_tool() || it.is_gun())
        {
            if (it.ammo_type() == "gasoline")
            {
                return true;
            }
        }
        else
        {
            if (it.is_container())
            {
                return true;
            }
        }
        break;
    }
    return false;
}

hint_rating player::rate_action_eat( const item &it ) const
{
    if( !it.is_food_container( this ) && !it.is_food( this ) ) {
        return HINT_CANT;
    }

    const auto rating = can_eat( it );
    if( rating == EDIBLE ) {
        return HINT_GOOD;
    } else if( rating == INEDIBLE || rating == INEDIBLE_MUTATION ) {
        return HINT_CANT;
    }

    return HINT_IFFY;
}

zone_type_id zone_manager::get_near_zone_type_for_item( const item &it,
        const tripoint &where ) const
{
    auto cat = it.get_category();

    if( it.has_flag( "FIREWOOD" ) ) {
        if( has_near( zone_type_id( "LOOT_WOOD" ), where ) ) {
            return zone_type_id( "LOOT_WOOD" );
        }
    }

    if( cat.id() == "food" ) {
        const bool preserves = it.is_food_container() && it.type->container->preserves;
        const auto &it_food = it.is_food_container() ? it.contents.front() : it;

        if( it_food.is_food() ) { // skip food without comestible, like MREs
            if( it_food.get_comestible()->comesttype == "DRINK" ) {
                if( !preserves && it_food.goes_bad() && has_near( zone_type_id( "LOOT_PDRINK" ), where ) ) {
                    return zone_type_id( "LOOT_PDRINK" );
                } else if( has_near( zone_type_id( "LOOT_DRINK" ), where ) ) {
                    return zone_type_id( "LOOT_DRINK" );
                }
            }

            if( !preserves && it_food.goes_bad() && has_near( zone_type_id( "LOOT_PFOOD" ), where ) ) {
                return zone_type_id( "LOOT_PFOOD" );
            }
        }

        return zone_type_id( "LOOT_FOOD" );
    }
    if( cat.id() == "guns" ) {
        return zone_type_id( "LOOT_GUNS" );
    }
    if( cat.id() == "magazines" ) {
        return zone_type_id( "LOOT_MAGAZINES" );
    }
    if( cat.id() == "ammo" ) {
        return zone_type_id( "LOOT_AMMO" );
    }
    if( cat.id() == "weapons" ) {
        return zone_type_id( "LOOT_WEAPONS" );
    }
    if( cat.id() == "tools" ) {
        return zone_type_id( "LOOT_TOOLS" );
    }
    if( cat.id() == "clothing" ) {
        if( it.is_filthy() && has_near( zone_type_id( "LOOT_FCLOTHING" ), where ) ) {
            return zone_type_id( "LOOT_FCLOTHING" );
        }
        return zone_type_id( "LOOT_CLOTHING" );
    }
    if( cat.id() == "drugs" ) {
        return zone_type_id( "LOOT_DRUGS" );
    }
    if( cat.id() == "books" ) {
        return zone_type_id( "LOOT_BOOKS" );
    }
    if( cat.id() == "mods" ) {
        return zone_type_id( "LOOT_MODS" );
    }
    if( cat.id() == "mutagen" ) {
        return zone_type_id( "LOOT_MUTAGENS" );
    }
    if( cat.id() == "bionics" ) {
        return zone_type_id( "LOOT_BIONICS" );
    }
    if( cat.id() == "veh_parts" ) {
        return zone_type_id( "LOOT_VEHICLE_PARTS" );
    }
    if( cat.id() == "other" ) {
        return zone_type_id( "LOOT_OTHER" );
    }
    if( cat.id() == "fuel" ) {
        return zone_type_id( "LOOT_FUEL" );
    }
    if( cat.id() == "seeds" ) {
        return zone_type_id( "LOOT_SEEDS" );
    }
    if( cat.id() == "chems" ) {
        return zone_type_id( "LOOT_CHEMICAL" );
    }
    if( cat.id() == "spare_parts" ) {
        return zone_type_id( "LOOT_SPARE_PARTS" );
    }
    if( cat.id() == "artifacts" ) {
        return zone_type_id( "LOOT_ARTIFACTS" );
    }
    if( cat.id() == "armor" ) {
        if( it.is_filthy() && has_near( zone_type_id( "LOOT_FARMOR" ), where ) ) {
            return zone_type_id( "LOOT_FARMOR" );
        }
        return zone_type_id( "LOOT_ARMOR" );
    }

    return zone_type_id();
}

bool player::can_disassemble( const item &obj, const inventory &inv, std::string *err ) const
{
    const auto error = [&err]( const std::string & message ) {
        if( err != nullptr ) {
            *err = message;
        }
        return false;
    };

    const auto &r = recipe_dictionary::get_uncraft( obj.typeId() );

    if( !r ) {
        return error( string_format( _( "You cannot disassemble this." ) ) );
    }

    // check sufficient light
    if( lighting_craft_speed_multiplier( r ) == 0.0f ) {
        return error( _( "You can't see to craft!" ) );
    }
    // refuse to disassemble rotten items
    if( obj.goes_bad() || ( obj.is_food_container() && obj.contents.front().goes_bad() ) ) {
        if( obj.rotten() || ( obj.is_food_container() && obj.contents.front().rotten() ) ) {
            return error( _( "It's rotten, I'm not taking that apart." ) );
        }
    }

    if( obj.count_by_charges() && !r.has_flag( "UNCRAFT_SINGLE_CHARGE" ) ) {
        // Create a new item to get the default charges
        int qty = r.create_result().charges;
        if( obj.charges < qty ) {
            auto msg = ngettext( "You need at least %d charge of %s.",
                                 "You need at least %d charges of %s.", qty );
            return error( string_format( msg, qty, obj.tname().c_str() ) );
        }
    }

    const auto &dis = r.disassembly_requirements();

    for( const auto &opts : dis.get_qualities() ) {
        for( const auto &qual : opts ) {
            if( !qual.has( inv ) ) {
                // Here should be no dot at the end of the string as 'to_string()' provides it.
                return error( string_format( _( "You need %s" ), qual.to_string().c_str() ) );
            }
        }
    }

    for( const auto &opts : dis.get_tools() ) {
        const bool found = std::any_of( opts.begin(), opts.end(),
        [&]( const tool_comp & tool ) {
            return ( tool.count <= 0 && inv.has_tools( tool.type, 1 ) ) ||
                   ( tool.count >  0 && inv.has_charges( tool.type, tool.count ) );
        } );

        if( !found ) {
            if( opts.front().count <= 0 ) {
                return error( string_format( _( "You need %s." ),
                                             item::nname( opts.front().type ).c_str() ) );
            } else {
                return error( string_format( ngettext( "You need a %s with %d charge.",
                                                       "You need a %s with %d charges.",
                                                       opts.front().count ),
                                             item::nname( opts.front().type ).c_str(), opts.front().count ) );
            }
        }
    }

    return true;
}