C++ item::is_tool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;
}

        virtual void select(int entnum, uimenu *menu) {
            const int starty = 3;
            const int startx = menu->w_width - menu->pad_right;
            itype *ity = item_controller->find_template(standard_itype_ids[entnum]);

            std::string padding = std::string(menu->pad_right - 1, ' ');

            for(int i = 0; i < lastlen + starty + 1; i++ ) {
                mvwprintw(menu->window, 1 + i, startx, "%s", padding.c_str() );
            }

            if ( ity != NULL ) {
                tmp.make(item_controller->find_template(standard_itype_ids[entnum]));
                tmp.bday = g->turn;
                if (tmp.is_tool()) {
                    tmp.charges = dynamic_cast<it_tool *>(tmp.type)->max_charges;
                } else if (tmp.is_ammo()) {
                    tmp.charges = 100;
                } else if (tmp.is_gun()) {
                    tmp.charges = 0;
                } else if (tmp.is_gunmod() && (tmp.has_flag("MODE_AUX") ||
                                               tmp.typeId() == "spare_mag")) {
                    tmp.charges = 0;
                } else {
                    tmp.charges = -1;
                }
                if( tmp.is_stationary() ) {
                    tmp.note = SNIPPET.assign( (dynamic_cast<it_stationary *>(tmp.type))->category );
                }

                std::vector<std::string> desc = foldstring(tmp.info(true), menu->pad_right - 1);
                int dsize = desc.size();
                if ( dsize > menu->w_height - 5 ) {
                    dsize = menu->w_height - 5;
                }
                lastlen = dsize;
                std::string header = string_format("#%d: %s%s",
                                                   entnum,
                                                   standard_itype_ids[entnum].c_str(),
                                                   ( incontainer ? " (contained)" : "" )
                                                  );

                mvwprintz(menu->window, 1, startx + ( menu->pad_right - 1 - header.size() ) / 2, c_cyan, "%s",
                          header.c_str()
                         );

                for(int i = 0; i < desc.size(); i++ ) {
                    mvwprintw(menu->window, starty + i, startx, "%s", desc[i].c_str() );
                }

                mvwprintz(menu->window, menu->w_height - 3, startx, c_green, "%s", msg.c_str());
                msg = padding;
                mvwprintw(menu->window, menu->w_height - 2, startx, "[/] find, [f] container, [q]uit");
            }
        }

void Item_modifier::modify(item &new_item) const
{

    if(new_item.is_null()) {
        return;
    }

    new_item.damage = std::min( std::max( (int) rng( damage.first, damage.second ), MIN_ITEM_DAMAGE ), MAX_ITEM_DAMAGE );

    long ch = (charges.first == charges.second) ? charges.first : rng(charges.first, charges.second);

    if(ch != -1) {
        if( new_item.count_by_charges() || new_item.made_of( LIQUID ) ) {
            // food, ammo
            // count_by_charges requires that charges is at least 1. It makes no sense to
            // spawn a "water (0)" item.
            new_item.charges = std::max( 1l, ch );
        } else if( new_item.is_tool() ) {
            const auto qty = std::min( ch, new_item.ammo_capacity() );
            new_item.charges = qty;
            if( new_item.ammo_type() != "NULL" && qty > 0 ) {
                new_item.ammo_set( new_item.ammo_type(), qty );
            }
        } else if( !new_item.is_gun() ) {
            //not gun, food, ammo or tool. 
            new_item.charges = ch;
        }
    }
    
    if( new_item.is_gun() && ( ammo.get() != nullptr || ch > 0 ) ) {
        if( ammo.get() == nullptr ) {
            // In case there is no explicit ammo item defined, use the default ammo
            if( new_item.ammo_type() != "NULL" ) {
                new_item.charges = ch;
                new_item.set_curammo( new_item.ammo_type() );
            }
        } else {
            const item am = ammo->create_single( new_item.bday );
            new_item.set_curammo( am );
            // Prefer explicit charges of the gun, else take the charges of the ammo item,
            // Gun charges are easier to define: {"item":"gun","charge":10,"ammo-item":"ammo"}
            if( ch > 0 ) {
                new_item.charges = ch;
            } else {
                new_item.charges = am.charges;
            }
        }
        // Make sure the item is in valid state
        if( new_item.ammo_data() && new_item.magazine_integral() ) {
            new_item.charges = std::min( new_item.charges, new_item.ammo_capacity() );
        } else {
            new_item.charges = 0;
        }
    }

    if(container.get() != NULL) {
        item cont = container->create_single(new_item.bday);
        if (!cont.is_null()) {
            if (new_item.made_of(LIQUID)) {
                long rc = cont.get_remaining_capacity_for_liquid(new_item);
                if(rc > 0 && (new_item.charges > rc || ch == -1)) {
                    // make sure the container is not over-full.
                    // fill up the container (if using default charges)
                    new_item.charges = rc;
                }
            }
            cont.put_in(new_item);
            new_item = cont;
        }
    }
    if (contents.get() != NULL) {
        Item_spawn_data::ItemList contentitems = contents->create(new_item.bday);
        new_item.contents.insert(new_item.contents.end(), contentitems.begin(), contentitems.end());
    }
}

int npc::value(item &it)
{
 int ret = it.price() / 50;
 skill best = best_skill();
 if (best != sk_unarmed) {
  int weapon_val = it.weapon_value(sklevel) - weapon.weapon_value(sklevel);
  if (weapon_val > 0)
   ret += weapon_val;
 }

 if (it.is_food()) {
  it_comest* comest = dynamic_cast<it_comest*>(it.type);
  if (comest->nutr > 0 || comest->quench > 0)
   ret++;
  if (hunger > 40)
   ret += (comest->nutr + hunger - 40) / 6;
  if (thirst > 40)
   ret += (comest->quench + thirst - 40) / 4;
 }

 if (it.is_ammo()) {
  it_ammo* ammo = dynamic_cast<it_ammo*>(it.type);
  it_gun* gun;
  if (weapon.is_gun()) {
   gun = dynamic_cast<it_gun*>(weapon.type);
   if (ammo->type == gun->ammo)
    ret += 14;
  }
  for (int i = 0; i < inv.size(); i++) {
   if (inv[i].is_gun()) {
    gun = dynamic_cast<it_gun*>(inv[i].type);
    if (ammo->type == gun->ammo)
     ret += 6;
   }
  }
 }

 if (it.is_book()) {
  it_book* book = dynamic_cast<it_book*>(it.type);
  if (book->intel <= int_cur) {
   ret += book->fun;
   if (sklevel[book->type] < book->level && sklevel[book->type] >= book->req)
    ret += book->level * 3;
  }
 }

// TODO: Sometimes we want more than one tool?  Also we don't want EVERY tool.
 if (it.is_tool() && !has_amount(itype_id(it.type->id), 1)) {
  ret += 8;
 }

// TODO: Artifact hunting from relevant factions
// ALSO TODO: Bionics hunting from relevant factions
 if (fac_has_job(FACJOB_DRUGS) && it.is_food() &&
     (dynamic_cast<it_comest*>(it.type))->addict >= 5)
  ret += 10;
 if (fac_has_job(FACJOB_DOCTORS) && it.type->id >= itm_bandages &&
     it.type->id <= itm_prozac)
  ret += 10;
 if (fac_has_value(FACVAL_BOOKS) && it.is_book())
  ret += 14;
 if (fac_has_job(FACJOB_SCAVENGE)) { // Computed last for _reasons_.
  ret += 6;
  ret *= 1.3;
 }
 return ret;
}

void Item_modifier::modify( item &new_item ) const
{

    if( new_item.is_null() ) {
        return;
    }

    new_item.set_damage( rng( damage.first, damage.second ) );

    long ch = ( charges.first == charges.second ) ? charges.first : rng( charges.first,
              charges.second );

    if( ch != -1 ) {
        if( new_item.count_by_charges() || new_item.made_of( LIQUID ) ) {
            // food, ammo
            // count_by_charges requires that charges is at least 1. It makes no sense to
            // spawn a "water (0)" item.
            new_item.charges = std::max( 1l, ch );
        } else if( new_item.is_tool() ) {
            const auto qty = std::min( ch, new_item.ammo_capacity() );
            new_item.charges = qty;
            if( new_item.ammo_type() && qty > 0 ) {
                new_item.ammo_set( new_item.ammo_type()->default_ammotype(), qty );
            }
        } else if( !new_item.is_gun() ) {
            //not gun, food, ammo or tool.
            new_item.charges = ch;
        }
    }

    if( ch > 0 && ( new_item.is_gun() || new_item.is_magazine() ) ) {
        if( ammo == nullptr ) {
            // In case there is no explicit ammo item defined, use the default ammo
            if( new_item.ammo_type() ) {
                new_item.ammo_set( new_item.ammo_type()->default_ammotype(), ch );
            }
        } else {
            const item am = ammo->create_single( new_item.birthday() );
            new_item.ammo_set( am.typeId(), ch );
        }
        // Make sure the item is in valid state
        if( new_item.ammo_data() && new_item.magazine_integral() ) {
            new_item.charges = std::min( new_item.charges, new_item.ammo_capacity() );
        } else {
            new_item.charges = 0;
        }
    }

    if( new_item.is_tool() || new_item.is_gun() || new_item.is_magazine() ) {
        bool spawn_ammo = rng( 0, 99 ) < with_ammo && new_item.ammo_remaining() == 0 && ch == -1 &&
                          ( !new_item.is_tool() || new_item.type->tool->rand_charges.empty() );
        bool spawn_mag  = rng( 0, 99 ) < with_magazine && !new_item.magazine_integral() &&
                          !new_item.magazine_current();

        if( spawn_mag ) {
            new_item.contents.emplace_back( new_item.magazine_default(), new_item.birthday() );
        }

        if( spawn_ammo ) {
            if( ammo ) {
                const item am = ammo->create_single( new_item.birthday() );
                new_item.ammo_set( am.typeId() );
            } else {
                new_item.ammo_set( new_item.ammo_type()->default_ammotype() );
            }
        }
    }

    if( container != nullptr ) {
        item cont = container->create_single( new_item.birthday() );
        if( !cont.is_null() ) {
            if( new_item.made_of( LIQUID ) ) {
                long rc = cont.get_remaining_capacity_for_liquid( new_item );
                if( rc > 0 && ( new_item.charges > rc || ch == -1 ) ) {
                    // make sure the container is not over-full.
                    // fill up the container (if using default charges)
                    new_item.charges = rc;
                }
            }
            cont.put_in( new_item );
            new_item = cont;
        }
    }

    if( contents != nullptr ) {
        Item_spawn_data::ItemList contentitems = contents->create( new_item.birthday() );
        new_item.contents.insert( new_item.contents.end(), contentitems.begin(), contentitems.end() );
    }

    for( auto &flag : custom_flags ) {
        new_item.set_flag( flag );
    }
}