// 显示商店 void show_shop() { clear_screen(); std::cout << "----- 黑市商店 -----\n"; std::cout << "你的金钱：" << player.money << "\n"; std::cout << "\n商品列表：\n"; // 生成商品（首次进入商店时） if (shop_items.empty()) { generate_shop_items(); } // 显示商品 for (size_t i = 0; i < shop_items.size(); ++i) { Item* item = shop_items[i]; std::cout << i+1 << ". " << item->name << " - " << item->description << " (价格：" << item->value << ")\n"; } std::cout << "\n操作选项：\n"; std::cout << "0. 离开商店\n"; std::cout << "99. 变卖物品\n"; std::cout << "请选择商品序号购买，或0离开，99变卖物品："; } // 处理商店输入 void handle_shop_input() { int choice; std::cin >> choice; if (choice == 0) { std::cout << "你离开了黑市商店。\n"; press_any_key(); current_state = GameState::EXPLORING; return; } else if (choice == 99) { // 变卖物品 clear_screen(); std::cout << "----- 变卖物品 -----\n"; std::cout << "你的金钱：" << player.money << "\n"; std::cout << "\n可变卖的物品：\n"; std::vector sellable; for (Item* item : player.inventory) { // 除了装备中的物品，其他都可变卖 bool is_equipped = (item->type == ItemType::WEAPON && (item == player.main_weapon || item == player.secondary_weapon || item == player.pistol_weapon || item == player.knife_weapon)) || (item->type == ItemType::ARMOR_HEAD && item == player.equipped_head) || (item->type == ItemType::ARMOR_BODY && item == player.equipped_body) || (item->type == ItemType::BACKPACK && item == player.equipped_backpack); if (!is_equipped) { sellable.push_back(item); } } if (sellable.empty()) { std::cout << "没有可变卖的物品！\n"; press_any_key(); return; } for (size_t i = 0; i < sellable.size(); ++i) { Item* item = sellable[i]; std::cout << i+1 << ". " << item->name << " (价值：" << item->value << ")\n"; } std::cout << "\n0. 取消\n"; std::cout << "请选择要变卖的物品序号："; int sell_choice; std::cin >> sell_choice; if (sell_choice > 0 && sell_choice <= (int)sellable.size()) { player.sell_item(sellable[sell_choice-1]); } else if (sell_choice != 0) { std::cout << "无效的选择！\n"; } press_any_key(); return; } else if (choice > 0 && choice <= (int)shop_items.size()) { Item* item = shop_items[choice-1]; if (player.money >= item->value) { // 尝试添加物品到背包 Item* new_item = nullptr; if (item->type == ItemType::CONSUMABLE) { Consumable* c = dynamic_cast(item); new_item = new Consumable(c->name, c->description, c->health_restore, c->status_effect, c->value, c->size); } else if (item->type == ItemType::AMMO) { Ammo* a = dynamic_cast(item); new_item = new Ammo(a->name, a->description, a->ammo_type, a->quantity, a->value, a->size); } else if (item->type == ItemType::WEAPON) { Weapon* w = dynamic_cast(item); new_item = new Weapon(w->name, w->description, w->damage, w->crit_rate, w->weapon_type, w->ammo_type, w->max_ammo, w->value, w->size); } else if (item->type == ItemType::ARMOR_HEAD) { HeadArmor* h = dynamic_cast(item); new_item = new HeadArmor(h->name, h->description, h->defense, h->dodge_rate, h->damage_reduction, h->value, h->size); } else if (item->type == ItemType::ARMOR_BODY) { BodyArmor* b = dynamic_cast(item); new_item = new BodyArmor(b->name, b->description, b->defense, b->dodge_rate, b->damage_reduction, b->value, b->size); } else if (item->type == ItemType::BACKPACK) { Backpack* bp = dynamic_cast(item); new_item = new Backpack(bp->name, bp->description, bp->capacity, bp->value, bp->size); } if (new_item && player.add_item(new_item)) { player.money -= item->value; std::cout << "你购买了 " << item->name << "！\n"; } else { delete new_item; std::cout << "无法购买该物品（背包空间不足）！\n"; } } else { std::cout << "金钱不足，无法购买！\n"; } press_any_key(); } else { std::cout << "无效的选择！\n"; press_any_key(); } } // 游戏结束 void game_over(bool victory) { if (victory) { std::cout << "\n===== 任务成功！=====\n"; std::cout << "你成功撤离，获得了总计 " << player.money + player.collectibles_value << " 的收益！\n"; } else { std::cout << "\n===== 任务失败！=====\n"; std::cout << "你在战斗中倒下了，任务失败。\n"; } std::cout << "感谢游玩！\n"; } // 清屏（跨平台简易实现） void clear_screen() { #ifdef _WIN32 system("cls"); #else system("clear"); #endif } // 按任意键继续 void press_any_key() { std::cout << "\n按任意键继续..."; std::cin.ignore(std::numeric_limits::max(), '\n'); std::cin.get(); } // 主函数 int main() { srand(time(0)); current_state = GameState::MAIN_MENU; game_loop(); return 0; }

U113059.代码3

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