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