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Diffstat (limited to 'src/boost/libs/poly_collection/example/basic_base.cpp')
-rw-r--r-- | src/boost/libs/poly_collection/example/basic_base.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/boost/libs/poly_collection/example/basic_base.cpp b/src/boost/libs/poly_collection/example/basic_base.cpp new file mode 100644 index 000000000..4f6f92f6b --- /dev/null +++ b/src/boost/libs/poly_collection/example/basic_base.cpp @@ -0,0 +1,59 @@ +/* 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. + */ + +/* basic usage of boost::base_collection */ + +#include <algorithm> +#include <boost/poly_collection/base_collection.hpp> +#include <random> +#include "rolegame.hpp" + +int main() +{ +//[basic_base_1 +//= #include <boost/poly_collection/base_collection.hpp> +//= ... +//= + boost::base_collection<sprite> c; + + std::mt19937 gen{92748}; // some arbitrary random seed + std::discrete_distribution<> rnd{{1,1,1}}; + for(int i=0;i<8;++i){ // assign each type with 1/3 probability + switch(rnd(gen)){ + case 0: c.insert(warrior{i});break; + case 1: c.insert(juggernaut{i});break; + case 2: c.insert(goblin{i});break; + } + } +//] + + auto render=[&](){ +//[basic_base_2 + const char* comma=""; + for(const sprite& s:c){ + std::cout<<comma; + s.render(std::cout); + comma=","; + } + std::cout<<"\n"; +//] + }; + render(); + +//[basic_base_3 + c.insert(goblin{8}); +//] + render(); + +//[basic_base_4 + // find element with id==7 and remove it + auto it=std::find_if(c.begin(),c.end(),[](const sprite& s){return s.id==7;}); + c.erase(it); +//] + render(); +} |