60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
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/* 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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/* basic usage of boost::base_collection */
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#include <algorithm>
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#include <boost/poly_collection/base_collection.hpp>
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#include <random>
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#include "rolegame.hpp"
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int main()
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{
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//[basic_base_1
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//= #include <boost/poly_collection/base_collection.hpp>
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//= ...
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//=
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boost::base_collection<sprite> c;
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std::mt19937 gen{92748}; // some arbitrary random seed
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std::discrete_distribution<> rnd{{1,1,1}};
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for(int i=0;i<8;++i){ // assign each type with 1/3 probability
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switch(rnd(gen)){
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case 0: c.insert(warrior{i});break;
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case 1: c.insert(juggernaut{i});break;
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case 2: c.insert(goblin{i});break;
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}
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}
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//]
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auto render=[&](){
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//[basic_base_2
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const char* comma="";
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for(const sprite& s:c){
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std::cout<<comma;
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s.render(std::cout);
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comma=",";
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}
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std::cout<<"\n";
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//]
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};
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render();
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//[basic_base_3
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c.insert(goblin{8});
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//]
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render();
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//[basic_base_4
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// find element with id==7 and remove it
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auto it=std::find_if(c.begin(),c.end(),[](const sprite& s){return s.id==7;});
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c.erase(it);
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//]
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render();
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}
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