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- /* Copyright 2016-2017 Joaquin M Lopez Munoz.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- *
- * See http://www.boost.org/libs/poly_collection for library home page.
- */
- #ifndef BOOST_POLY_COLLECTION_EXAMPLE_ROLEGAME_HPP
- #define BOOST_POLY_COLLECTION_EXAMPLE_ROLEGAME_HPP
- #if defined(_MSC_VER)
- #pragma once
- #endif
- /* entities of a purported role game used in the examples */
- #include <iostream>
- #include <string>
- #include <utility>
- //[rolegame_1
- struct sprite
- {
- sprite(int id):id{id}{}
- virtual ~sprite()=default;
- virtual void render(std::ostream& os)const=0;
- int id;
- };
- //]
- //[rolegame_2
- struct warrior:sprite
- {
- using sprite::sprite;
- warrior(std::string rank,int id):sprite{id},rank{std::move(rank)}{}
- void render(std::ostream& os)const override{os<<rank<<" "<<id;}
- std::string rank="warrior";
- };
- struct juggernaut:warrior
- {
- juggernaut(int id):warrior{"juggernaut",id}{}
- };
- struct goblin:sprite
- {
- using sprite::sprite;
- void render(std::ostream& os)const override{os<<"goblin "<<id;}
- };
- //]
- //[rolegame_3
- struct window
- {
- window(std::string caption):caption{std::move(caption)}{}
- void display(std::ostream& os)const{os<<"["<<caption<<"]";}
- std::string caption;
- };
- //]
- //[rolegame_4
- struct elf:sprite
- {
- using sprite::sprite;
- elf(const elf&)=delete; // not copyable
- elf(elf&&)=default; // but moveable
- void render(std::ostream& os)const override{os<<"elf "<<id;}
- };
- //]
- #endif
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