77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
#ifndef DYNAMIC_PROGRAM_DOWNLOAD_H
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#define DYNAMIC_PROGRAM_DOWNLOAD_H
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#include <boost/json.hpp>
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#include <boost/json/src.hpp>
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#include <cpr/cpr.h>
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#include <iostream>
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#include "game_state.h"
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// This helper function deduces the type and assigns the value with the matching key
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template<class T>
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void extract( boost::json::object const& obj, T& t, std::string_view key )
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{
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t = value_to<T>( obj.at( key ) );
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}
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namespace Hanabi {
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Card tag_invoke(boost::json::value_to_tag<Card>,
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boost::json::value const &jv) {
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Hanabi::Card card{};
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boost::json::object const &obj = jv.as_object();
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extract(obj, card.rank, "rank");
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extract(obj, card.suit, "suitIndex");
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card.rank = 5 - card.rank;
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return card;
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}
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void tag_invoke(boost::json::value_from_tag, boost::json::value &jv, Hanabi::Card const &card) {
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jv = {{"suitIndex", card.suit}, {"rank", card.rank}};
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}
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}
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std::vector<Hanabi::Card> parse_deck(const boost::json::value& deck_json) {
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auto deck = boost::json::value_to<std::vector<Hanabi::Card>>(deck_json);
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std::array<std::array<Hanabi::rank_t, 5>, 6> next_copy_indices {};
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for(size_t i = 0; i < deck.size(); i++) {
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auto &card = deck[i];
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assert(card.rank < 5);
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assert(card.rank >= 0);
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assert(card.suit < 6);
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assert(card.suit >= 0);
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card.index = i;
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card.copy = next_copy_indices[card.suit][card.rank];
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next_copy_indices[card.suit][card.rank]++;
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}
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return deck;
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}
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boost::json::object download_game_json(int game_id) {
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std::string request_str = "https://hanab.live/export/" + std::to_string(game_id);
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cpr::Response r = cpr::Get(cpr::Url(request_str));
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if (r.header["content-type"] != "application/json; charset=utf-8") {
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return {};
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}
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return boost::json::parse(r.text).as_object();
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}
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void download_game(int game_id) {
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boost::json::object game = download_game_json(game_id);
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std::cout << game << std::endl;
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const auto deck = parse_deck(game.at("deck"));
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const unsigned num_players = game.at("players").as_array().size();
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for(const auto& card : deck) {
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std::cout << card << std::endl;
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}
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std::cout << num_players;
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}
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#endif // DYNAMIC_PROGRAM_DOWNLOAD_H
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