blame: source/code/highscore.cpp

/*

===========================================================================

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2012 Poul Sander

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program.  If not, see http://www.gnu.org/licenses/

Source information and contacts persons can be found at

https://blockattack.net

===========================================================================

*/

#include "highscore.h"

#include "os.hpp"

#include "sago/SagoMisc.hpp"

#include <algorithm>

#include "common.h"

#include <fmt/core.h>

#include "nlohmann/json.hpp"

using json = nlohmann::json;

void to_json(json& j, const record& p) {

	j = json{ {"Name", p.name}, {"Score", p.score}};

}

void from_json(const json& j, record& p) {

	p.name = j.at("Name").get<std::string>();

	p.score = j.at("Score").get<int>();

}

/*

 This sorts in reverse order. So the highest will be first

 */

bool record_sorter (const record& i,const record& j) {

	return (i.score > j.score);

}

Highscore::Highscore(const std::string& type, double speed) : filename(type+".json.dat"), type(type), speed(speed) {

	if (speed < 0.4) {

		//Use special filenames for higher speeds (higher speed = lower number)

		filename = fmt::format("{}_{:.4f}.json.dat", type, speed);

	}

	std::string readFileContent = sago::GetFileContent(filename.c_str());

	if (readFileContent.length() > 0) {

		json j = json::parse(readFileContent);

		try {

			j.at("highscore").get_to(table);

		} catch (json::exception& e) {

			std::cerr << "Failed to read highscore " << filename << " due to formatting errors. Resetting the file. Reason: " <<

			          e.what() << "\n";

			table.clear();

		}

	}

	if (table.size() < top) {

		for (size_t i = table.size(); i<top; i++) {

			record r;

			r.name = "Poul Sander";

			r.score = 2000 - i*100;

			table.push_back(r);

		}

	}

	std::stable_sort(table.begin(), table.end(), record_sorter);

	table.resize(top);

	writeFile();

}

void Highscore::writeFile() {

	json j = json{ { "highscore", table } };

	std::string s = j.dump(4);

	sago::WriteFileContent(filename.c_str(), s);

}

bool Highscore::isHighScore(int newScore) {

	if (newScore>table.back().score) {

		return true;

	}

	return false;

}

void Highscore::addScore(const std::string& newName, int newScore) {

	record r;

	r.name = newName;

	r.score = newScore;

	table.push_back(r);

	std::stable_sort(table.begin(), table.end(), record_sorter);

	table.resize(top);

	Highscore::writeFile();

}

record Highscore::getScoreNumber(int room) {

	record ret;

	if (room < static_cast<int>(table.size()) ) {

		ret = table.at(room);

	}

	return ret;

}