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// SPDX-License-Identifier: BSD-2-Clause
// Copyright (c) 2025 Kirill Dmitrievich
// File: main.cc
// Description: Entry point
#include "server/pch.hh"
#include "core/config/number.hh"
#include "core/io/cmdline.hh"
#include "core/io/config_map.hh"
#include "core/math/constexpr.hh"
#include "core/resource/image.hh"
#include "core/resource/resource.hh"
#include "core/utils/epoch.hh"
#include "core/threading.hh"
#include "core/version.hh"
#include "shared/game.hh"
#include "shared/protocol.hh"
#include "server/game.hh"
#include "server/globals.hh"
static config::Unsigned server_tickrate(protocol::TICKRATE, 10U, 300U);
static void on_termination_signal(int)
{
spdlog::warn("server: received termination signal");
globals::is_running = false;
}
int main(int argc, char** argv)
{
cmdline::create(argc, argv);
shared_game::init(argc, argv, "voxelius-server.log");
spdlog::info("Voxelius Server {}", version::full);
globals::fixed_frametime = 0.0f;
globals::fixed_frametime_avg = 0.0f;
globals::fixed_frametime_us = 0;
globals::fixed_framecount = 0;
globals::curtime = utils::unix_microseconds();
globals::is_running = true;
std::signal(SIGINT, &on_termination_signal);
std::signal(SIGTERM, &on_termination_signal);
Image::register_resource();
server_game::init();
threading::init();
globals::server_config.add_value("server.tickrate", server_tickrate);
globals::server_config.load_file("server.conf");
globals::server_config.load_cmdline();
globals::tickrate = server_tickrate.get_value();
globals::tickrate_dt = static_cast<std::uint64_t>(1000000.0f / static_cast<float>(globals::tickrate));
server_game::init_late();
std::uint64_t last_curtime = globals::curtime;
while(globals::is_running) {
globals::curtime = utils::unix_microseconds();
globals::fixed_frametime_us = globals::curtime - last_curtime;
globals::fixed_frametime = static_cast<float>(globals::fixed_frametime_us) / 1000000.0f;
globals::fixed_frametime_avg += globals::fixed_frametime;
globals::fixed_frametime_avg *= 0.5f;
last_curtime = globals::curtime;
server_game::fixed_update();
server_game::fixed_update_late();
globals::dispatcher.update();
globals::fixed_framecount += 1;
std::this_thread::sleep_for(std::chrono::microseconds(globals::tickrate_dt));
resource::soft_cleanup();
threading::update();
}
server_game::shutdown();
resource::hard_cleanup();
threading::shutdown();
spdlog::info("server: shutdown after {} frames", globals::fixed_framecount);
spdlog::info("server: average framerate: {:.03f} TPS", 1.0f / globals::fixed_frametime_avg);
spdlog::info("server: average frametime: {:.03f} MSPT", 1000.0f * globals::fixed_frametime_avg);
globals::server_config.save_file("server.conf");
shared_game::shutdown();
return EXIT_SUCCESS;
}
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