958 lines
28 KiB
C++
958 lines
28 KiB
C++
#include "server.h"
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#include <boost/beast/websocket.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include <iostream>
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#include <sstream>
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#include <random>
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#include <algorithm>
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#include <chrono>
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std::vector<std::string> split(const std::string& s, char delimiter) {
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std::vector<std::string> tokens;
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std::string token;
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std::istringstream tokenStream(s);
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while (std::getline(tokenStream, token, delimiter)) {
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tokens.push_back(token);
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}
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return tokens;
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}
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Session::Session(Server& server, tcp::socket&& socket, int id)
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: server_(server)
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, ws_(std::move(socket))
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, id_(id)
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, lastReceivedTime_(std::chrono::system_clock::now()) {
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}
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bool Session::is_timed_out(std::chrono::system_clock::time_point now) const {
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if (!joined_) return false;
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auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - lastReceivedTime_).count();
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return elapsed > PLAYER_TIMEOUT_MS;
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}
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void Session::force_disconnect() {
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beast::error_code ec;
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ws_.next_layer().socket().close(ec);
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}
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int Session::get_id() const { return id_; }
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bool Session::hasSpawnReserved() const { return hasReservedSpawn_; }
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const Eigen::Vector3f& Session::reservedSpawn() const { return reservedSpawn_; }
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bool Session::fetchStateAtTime(std::chrono::system_clock::time_point targetTime, ClientState& outState) const {
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if (timedClientStates.canFetchClientStateAtTime(targetTime)) {
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outState = timedClientStates.fetchClientStateAtTime(targetTime);
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return true;
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}
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return false;
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}
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void Session::send_message(const std::string& msg) {
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auto ss = std::make_shared<std::string>(msg);
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{
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std::lock_guard<std::mutex> lock(writeMutex_);
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writeQueue_.push(ss);
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}
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doWrite();
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}
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void Session::run() {
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{
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std::lock_guard<std::mutex> lock(server_.g_sessions_mutex);
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server_.g_sessions.push_back(shared_from_this());
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}
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ws_.async_accept([self = shared_from_this()](beast::error_code ec) {
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if (ec) return;
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std::cout << "Client " << self->id_ << " connected\n";
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self->init();
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});
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}
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bool Session::IsMessageValid(const std::string& fullMessage) {
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#ifdef ENABLE_NETWORK_CHECKSUM
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size_t hashPos = fullMessage.find("#hash:");
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if (hashPos == std::string::npos) {
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return false; // Хеша нет, хотя он ожидался
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}
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std::string originalContent = fullMessage.substr(0, hashPos);
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std::string receivedHashStr = fullMessage.substr(hashPos + 6); // 6 — длина "#hash:"
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// Вычисляем ожидаемый хеш от контента
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size_t expectedHash = fnv1a_hash(originalContent + NET_SECRET);
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std::stringstream ss;
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ss << std::hex << expectedHash;
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return ss.str() == receivedHashStr;
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#else
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return true; // В режиме отладки пропускаем всё
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#endif
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}
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void Session::sendBoxesToClient() {
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std::lock_guard<std::mutex> lock(server_.g_boxes_mutex);
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std::string boxMsg = "BOXES:";
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bool first = true;
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for (size_t i = 0; i < server_.g_serverBoxes.size(); ++i) {
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const auto& box = server_.g_serverBoxes[i];
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if (box.destroyed) continue;
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Eigen::Quaternionf q(box.rotation);
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if (!first) boxMsg += "|";
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first = false;
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boxMsg += std::to_string(i) + ":" +
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std::to_string(box.position.x()) + ":" +
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std::to_string(box.position.y()) + ":" +
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std::to_string(box.position.z()) + ":" +
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std::to_string(q.w()) + ":" +
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std::to_string(q.x()) + ":" +
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std::to_string(q.y()) + ":" +
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std::to_string(q.z()) + ":" +
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"0";
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}
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send_message(boxMsg);
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}
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void Session::init()
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{
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sendBoxesToClient();
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auto timer = std::make_shared<net::steady_timer>(ws_.get_executor());
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timer->expires_after(std::chrono::milliseconds(100));
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timer->async_wait([self = shared_from_this(), timer](const boost::system::error_code& ec) {
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if (!ec) {
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auto now_tp = std::chrono::system_clock::now();
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uint64_t now_ms = static_cast<uint64_t>(
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std::chrono::duration_cast<std::chrono::milliseconds>(now_tp.time_since_epoch()).count());
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self->send_message("ID:" + std::to_string(self->id_) + ":" + std::to_string(now_ms));
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self->do_read();
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}
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});
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}
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ClientState Session::get_latest_state(std::chrono::system_clock::time_point now) {
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if (timedClientStates.timedStates.empty()) {
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return {};
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}
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ClientState latest = timedClientStates.timedStates.back();
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latest.apply_lag_compensation(now);
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return latest;
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}
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void Session::doWrite() {
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std::lock_guard<std::mutex> lock(writeMutex_);
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if (is_writing_ || writeQueue_.empty()) {
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return;
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}
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is_writing_ = true;
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auto message = writeQueue_.front();
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ws_.async_write(net::buffer(*message),
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[self = shared_from_this(), message](beast::error_code ec, std::size_t) {
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if (ec) {
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std::cerr << "Write error: " << ec.message() << std::endl;
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return;
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}
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{
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std::lock_guard<std::mutex> lock(self->writeMutex_);
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self->writeQueue_.pop();
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self->is_writing_ = false;
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}
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self->doWrite();
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});
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}
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void Session::do_read() {
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ws_.async_read(buffer_, [self = shared_from_this()](beast::error_code ec, std::size_t) {
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if (ec) {
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if (self->joined_) {
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self->server_.broadcastToAllExceptId("PLAYER_LEFT:" + std::to_string(self->id_), self->id_);
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std::cout << "Client " << self->id_ << " disconnected, broadcasting PLAYER_LEFT\n";
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}
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std::lock_guard<std::mutex> lock(self->server_.g_sessions_mutex);
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self->server_.g_sessions.erase(std::remove_if(self->server_.g_sessions.begin(), self->server_.g_sessions.end(),
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[self](const std::shared_ptr<Session>& session) {
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return session.get() == self.get();
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}), self->server_.g_sessions.end());
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std::cout << "Client " << self->id_ << " removed from session list\n";
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return;
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}
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std::string msg = beast::buffers_to_string(self->buffer_.data());
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self->process_message(msg);
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self->buffer_.consume(self->buffer_.size());
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self->do_read();
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});
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}
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void Session::process_message(const std::string& msg) {
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if (!IsMessageValid(msg)) {
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std::cout << "[Security] Invalid packet hash. Dropping message: " << msg << std::endl;
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return;
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}
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lastReceivedTime_ = std::chrono::system_clock::now();
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std::string cleanMessage = msg.substr(0, msg.find("#hash:"));
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std::cout << "Received from player " << id_ << ": " << cleanMessage << std::endl;
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auto parts = split(cleanMessage, ':');
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if (parts.empty()) return;
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std::string type = parts[0];
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if (type == "JOIN") {
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std::string nick = "Player";
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int sType = 0;
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if (parts.size() >= 2) nick = parts[1];
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if (parts.size() >= 3) {
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try { sType = std::stoi(parts[2]); }
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catch (...) { sType = 0; }
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}
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this->nickname = nick;
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this->shipType = sType;
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this->joined_ = true;
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auto now_tp = std::chrono::system_clock::now();
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uint64_t now_ms = static_cast<uint64_t>(
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std::chrono::duration_cast<std::chrono::milliseconds>(now_tp.time_since_epoch()).count());
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Eigen::Vector3f spawnPos = server_.PickSafeSpawnPos(id_);
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this->hasReservedSpawn_ = true;
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this->reservedSpawn_ = spawnPos;
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ClientState st;
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st.id = id_;
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st.position = spawnPos;
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st.rotation = Eigen::Matrix3f::Identity();
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st.currentAngularVelocity = Eigen::Vector3f::Zero();
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st.velocity = 0.0f;
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st.selectedVelocity = 0;
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st.discreteMag = 0.0f;
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st.discreteAngle = -1;
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st.lastUpdateServerTime = now_tp;
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st.nickname = this->nickname;
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st.shipType = this->shipType;
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timedClientStates.add_state(st);
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this->send_message(
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"SPAWN:" + std::to_string(id_) + ":" + std::to_string(now_ms) + ":" + st.formPingMessageContent()
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);
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std::string eventMsg =
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"EVENT:" + std::to_string(id_) + ":UPD:" + std::to_string(now_ms) + ":" + st.formPingMessageContent();
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server_.broadcastToAllExceptId(eventMsg, id_);
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std::cout << "Server: Player " << id_ << " joined as [" << nick << "] shipType=" << sType << std::endl;
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std::string info = "PLAYERINFO:" + std::to_string(id_) + ":" + nick + ":" + std::to_string(sType);
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server_.broadcastToAllExceptId(info, id_);
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{
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std::lock_guard<std::mutex> lock(server_.g_sessions_mutex);
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for (auto& session : server_.g_sessions) {
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if (session->get_id() == this->id_) continue;
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std::string otherInfo = "PLAYERINFO:" + std::to_string(session->get_id()) + ":" + session->nickname + ":" + std::to_string(session->shipType);
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this->send_message(otherInfo);
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}
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}
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}
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else if (type == "UPD") {
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if (!joined_) {
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std::cout << "Server: Ignoring UPD before JOIN from " << id_ << std::endl;
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return;
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}
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{
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std::lock_guard<std::mutex> gd(server_.g_dead_mutex);
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if (server_.g_dead_players.find(id_) != server_.g_dead_players.end()) {
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std::cout << "Server: Ignoring UPD from dead player " << id_ << std::endl;
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return;
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}
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}
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if (parts.size() < 16) return;
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uint64_t clientTimestamp = std::stoull(parts[1]);
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ClientState receivedState;
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receivedState.id = id_;
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std::chrono::system_clock::time_point uptime_timepoint{
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std::chrono::milliseconds(clientTimestamp)
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};
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receivedState.lastUpdateServerTime = uptime_timepoint;
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receivedState.handle_full_sync(parts, 2);
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receivedState.nickname = this->nickname;
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receivedState.shipType = this->shipType;
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timedClientStates.add_state(receivedState);
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}
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else if (type == "RESPAWN") {
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{
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std::lock_guard<std::mutex> gd(server_.g_dead_mutex);
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server_.g_dead_players.erase(id_);
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}
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{
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auto now_tp = std::chrono::system_clock::now();
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uint64_t now_ms = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::milliseconds>(now_tp.time_since_epoch()).count());
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ClientState st;
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st.id = id_;
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Eigen::Vector3f spawnPos = server_.PickSafeSpawnPos(id_);
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st.position = spawnPos;
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this->hasReservedSpawn_ = true;
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this->reservedSpawn_ = spawnPos;
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st.rotation = Eigen::Matrix3f::Identity();
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st.currentAngularVelocity = Eigen::Vector3f::Zero();
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st.velocity = 0.0f;
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st.selectedVelocity = 0;
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st.discreteMag = 0.0f;
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st.discreteAngle = -1;
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st.lastUpdateServerTime = now_tp;
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st.nickname = this->nickname;
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st.shipType = this->shipType;
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timedClientStates.add_state(st);
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this->send_message(
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"SPAWN:" + std::to_string(id_) + ":" + std::to_string(now_ms) + ":" + st.formPingMessageContent()
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);
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std::string respawnMsg = "RESPAWN_ACK:" + std::to_string(id_);
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server_.broadcastToAll(respawnMsg);
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std::string playerInfo = "PLAYERINFO:" + std::to_string(id_) + ":" + st.nickname + ":" + std::to_string(st.shipType);
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server_.broadcastToAll(playerInfo);
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std::string eventMsg = "EVENT:" + std::to_string(id_) + ":UPD:" + std::to_string(now_ms) + ":" + st.formPingMessageContent();
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server_.broadcastToAll(eventMsg);
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std::cout << "Server: Player " << id_ << " respawned, broadcasted RESPAWN_ACK, PLAYERINFO and initial UPD\n";
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}
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}
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else if (parts[0] == "BOX_PICKUP") {
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if (parts.size() < 2) return;
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if (this->shipType != 1) {
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std::cout << "Server: Player " << id_ << " tried BOX_PICKUP but is not a cargo ship\n";
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return;
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}
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int boxIdx = -1;
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try { boxIdx = std::stoi(parts[1]); } catch (...) { return; }
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std::lock_guard<std::mutex> bm(server_.g_boxes_mutex);
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if (boxIdx < 0 || boxIdx >= (int)server_.g_serverBoxes.size()) return;
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if (server_.g_serverBoxes[boxIdx].destroyed) return;
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if (timedClientStates.timedStates.empty()) return;
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const ClientState& playerState = timedClientStates.timedStates.back();
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Eigen::Vector3f boxWorld = server_.g_serverBoxes[boxIdx].position + kWorldOffset;
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float distSq = (playerState.position - boxWorld).squaredNorm();
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if (distSq > BOX_PICKUP_RADIUS * BOX_PICKUP_RADIUS) {
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std::cout << "Server: Player " << id_ << " too far to pick up box " << boxIdx << "\n";
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return;
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}
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server_.g_serverBoxes[boxIdx].destroyed = true;
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std::string pickedUpMsg = "BOX_PICKED_UP:" + std::to_string(boxIdx) + ":" + std::to_string(id_);
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server_.broadcastToAll(pickedUpMsg);
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std::cout << "Server: Box " << boxIdx << " picked up by player " << id_ << "\n";
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// Respawn box
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{
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static thread_local std::mt19937 rng{ std::random_device{}() };
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static thread_local std::uniform_real_distribution<float> angleDist(0.f, static_cast<float>(M_PI * 2.0));
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Eigen::Vector3f newPos = server_.PickSafeBoxPos(boxIdx);
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Eigen::Vector3f axis = Eigen::Vector3f::Random().normalized();
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Eigen::Matrix3f newRot = Eigen::AngleAxisf(angleDist(rng), axis).toRotationMatrix();
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server_.g_serverBoxes[boxIdx].position = newPos;
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server_.g_serverBoxes[boxIdx].rotation = newRot;
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server_.g_serverBoxes[boxIdx].destroyed = false;
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Eigen::Quaternionf q(newRot);
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std::string respawnMsg = "BOX_RESPAWN:" +
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std::to_string(boxIdx) + ":" +
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std::to_string(newPos.x()) + ":" +
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std::to_string(newPos.y()) + ":" +
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std::to_string(newPos.z()) + ":" +
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std::to_string(q.w()) + ":" +
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std::to_string(q.x()) + ":" +
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std::to_string(q.y()) + ":" +
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std::to_string(q.z());
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server_.broadcastToAll(respawnMsg);
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std::cout << "Server: Box " << boxIdx << " respawned after pickup\n";
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}
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}
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else if (parts[0] == "FIRE") {
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if (parts.size() < 10) return;
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uint64_t clientTime = std::stoull(parts[1]);
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Eigen::Vector3f pos{
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std::stof(parts[2]), std::stof(parts[3]), std::stof(parts[4])
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};
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Eigen::Quaternionf dir(
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std::stof(parts[5]), std::stof(parts[6]), std::stof(parts[7]), std::stof(parts[8])
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);
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float velocity = std::stof(parts[9]);
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std::string broadcast = "PROJECTILE:" +
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std::to_string(id_) + ":" +
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std::to_string(clientTime) + ":" +
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std::to_string(pos.x()) + ":" +
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std::to_string(pos.y()) + ":" +
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std::to_string(pos.z()) + ":" +
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std::to_string(dir.w()) + ":" +
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std::to_string(dir.x()) + ":" +
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std::to_string(dir.y()) + ":" +
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std::to_string(dir.z()) + ":" +
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std::to_string(velocity);
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server_.broadcastToAllExceptId(broadcast, id_);
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server_.createProjectile(id_, pos, dir, velocity);
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}
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}
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Eigen::Vector3f Server::PickSafeBoxPos(int skipIdx)
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{
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// Assumes g_boxes_mutex is already held by the caller
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static thread_local std::mt19937 rng{ std::random_device{}() };
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std::uniform_real_distribution<float> dist(-1000.f, 1000.f);
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for (int attempt = 0; attempt < 500; ++attempt) {
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Eigen::Vector3f cand(dist(rng), dist(rng), dist(rng));
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bool safe = true;
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for (int i = 0; i < (int)g_serverBoxes.size(); ++i) {
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if (i == skipIdx) continue;
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if (g_serverBoxes[i].destroyed) continue;
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if ((cand - g_serverBoxes[i].position).squaredNorm() < 9.f) {
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safe = false;
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break;
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}
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}
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if (safe) return cand;
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}
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return Eigen::Vector3f(dist(rng), dist(rng), dist(rng));
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}
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Eigen::Vector3f Server::PickSafeSpawnPos(int forPlayerId)
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{
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static thread_local std::mt19937 rng{ std::random_device{}() };
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std::scoped_lock lock(g_boxes_mutex, g_sessions_mutex, g_dead_mutex);
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||
|
||
auto isSafe = [&](const Eigen::Vector3f& pWorld) -> bool
|
||
{
|
||
for (const auto& box : g_serverBoxes) {
|
||
if (box.destroyed) continue;
|
||
|
||
Eigen::Vector3f boxWorld = box.position + kWorldOffset;
|
||
float minDist = kShipRadius + box.collisionRadius + kSpawnBoxMargin;
|
||
|
||
if ((pWorld - boxWorld).squaredNorm() < minDist * minDist)
|
||
return false;
|
||
}
|
||
|
||
for (const auto& s : g_sessions) {
|
||
int pid = s->get_id();
|
||
if (pid == forPlayerId) continue;
|
||
if (g_dead_players.count(pid)) continue;
|
||
|
||
Eigen::Vector3f otherPos;
|
||
if (!s->timedClientStates.timedStates.empty()) {
|
||
otherPos = s->timedClientStates.timedStates.back().position;
|
||
}
|
||
else if (s->hasSpawnReserved()) {
|
||
otherPos = s->reservedSpawn();
|
||
}
|
||
else {
|
||
continue;
|
||
}
|
||
|
||
float minDist = (kShipRadius * 2.0f) + kSpawnShipMargin;
|
||
if ((pWorld - otherPos).squaredNorm() < minDist * minDist)
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
};
|
||
|
||
const float radii[] = { 150.f, 250.f, 400.f, 650.f, 1000.f, 1600.f };
|
||
|
||
for (float r : radii) {
|
||
std::uniform_real_distribution<float> dxy(-r, r);
|
||
std::uniform_real_distribution<float> dz(-kSpawnZJitter, kSpawnZJitter);
|
||
|
||
for (int attempt = 0; attempt < 250; ++attempt) {
|
||
Eigen::Vector3f cand(
|
||
dxy(rng),
|
||
dxy(rng),
|
||
kWorldZOffset + dz(rng)
|
||
);
|
||
|
||
if (isSafe(cand))
|
||
return cand;
|
||
}
|
||
}
|
||
|
||
int a = (forPlayerId % 10);
|
||
int b = ((forPlayerId / 10) % 10);
|
||
return Eigen::Vector3f(600.0f + a * 100.0f, -600.0f + b * 100.0f, kWorldZOffset);
|
||
}
|
||
|
||
void Server::broadcastToAll(const std::string& message) {
|
||
std::lock_guard<std::mutex> lock(g_sessions_mutex);
|
||
for (const auto& session : g_sessions) {
|
||
session->send_message(message);
|
||
}
|
||
}
|
||
|
||
void Server::broadcastToAllExceptId(const std::string& message, int id)
|
||
{
|
||
std::lock_guard<std::mutex> lock(g_sessions_mutex);
|
||
for (auto& session : g_sessions) {
|
||
if (session->get_id() == id) continue;
|
||
session->send_message(message);
|
||
}
|
||
}
|
||
|
||
void Server::createProjectile(int id, Eigen::Vector3f pos, Eigen::Quaternionf dir, float velocity)
|
||
{
|
||
const std::vector<Eigen::Vector3f> localOffsets = {
|
||
Eigen::Vector3f(-1.5f, 0.9f - 6.f, 5.0f),
|
||
Eigen::Vector3f(1.5f, 0.9f - 6.f, 5.0f)
|
||
};
|
||
|
||
uint64_t now_ms = std::chrono::duration_cast<std::chrono::milliseconds>((
|
||
std::chrono::system_clock::now().time_since_epoch())).count();
|
||
|
||
std::lock_guard<std::mutex> pl(g_projectiles_mutex);
|
||
for (int i = 0; i < localOffsets.size(); ++i) {
|
||
Projectile pr;
|
||
pr.shooterId = id;
|
||
pr.spawnMs = now_ms;
|
||
Eigen::Vector3f shotPos = pos + dir.toRotationMatrix() * localOffsets[i];
|
||
pr.pos = shotPos;
|
||
Eigen::Vector3f localForward(0.0f, 0.0f, -1.0f);
|
||
Eigen::Vector3f worldForward = dir.toRotationMatrix() * localForward;
|
||
float len = worldForward.norm();
|
||
if (len > 1e-6f) worldForward /= len;
|
||
pr.vel = worldForward * velocity;
|
||
pr.lifeMs = 15000.0f;
|
||
g_projectiles.push_back(pr);
|
||
|
||
std::cout << "Server: Created projectile from player " << id
|
||
<< " at pos (" << shotPos.x() << ", " << shotPos.y() << ", " << shotPos.z()
|
||
<< ") vel (" << pr.vel.x() << ", " << pr.vel.y() << ", " << pr.vel.z() << ")" << std::endl;
|
||
}
|
||
}
|
||
|
||
void Server::update_world() {
|
||
|
||
static auto last_snapshot_time = std::chrono::system_clock::now();
|
||
|
||
auto now = std::chrono::system_clock::now();
|
||
uint64_t now_ms = static_cast<uint64_t>(
|
||
std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count());
|
||
|
||
// --- Detect and force-disconnect timed-out players ---
|
||
{
|
||
std::vector<std::shared_ptr<Session>> timedOut;
|
||
{
|
||
std::lock_guard<std::mutex> lock(g_sessions_mutex);
|
||
for (auto& session : g_sessions) {
|
||
if (session->is_timed_out(now)) {
|
||
timedOut.push_back(session);
|
||
}
|
||
}
|
||
}
|
||
for (auto& session : timedOut) {
|
||
std::cout << "Server: Player " << session->get_id()
|
||
<< " timed out after " << PLAYER_TIMEOUT_MS << "ms, forcing disconnect\n";
|
||
session->force_disconnect();
|
||
}
|
||
}
|
||
|
||
{
|
||
std::lock_guard<std::mutex> lock(g_sessions_mutex);
|
||
for (auto& sender : g_sessions) {
|
||
if (sender->timedClientStates.timedStates.empty()) continue;
|
||
|
||
const ClientState& st = sender->timedClientStates.timedStates.back();
|
||
uint64_t stateTime = static_cast<uint64_t>(
|
||
std::chrono::duration_cast<std::chrono::milliseconds>(
|
||
st.lastUpdateServerTime.time_since_epoch()).count());
|
||
|
||
std::string event_msg = "EVENT:" + std::to_string(sender->get_id()) +
|
||
":UPD:" + std::to_string(stateTime) + ":" + st.formPingMessageContent();
|
||
|
||
for (auto& receiver : g_sessions) {
|
||
if (receiver->get_id() != sender->get_id()) {
|
||
receiver->send_message(event_msg);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// --- Tick: projectile movement and hit detection ---
|
||
const float dt = 50.0f / 1000.0f;
|
||
std::vector<DeathInfo> deathEvents;
|
||
|
||
{
|
||
std::lock_guard<std::mutex> pl(g_projectiles_mutex);
|
||
std::vector<int> indicesToRemove;
|
||
|
||
for (size_t i = 0; i < g_projectiles.size(); ++i) {
|
||
auto& pr = g_projectiles[i];
|
||
|
||
pr.pos += pr.vel * dt;
|
||
|
||
if (now_ms > pr.spawnMs + static_cast<uint64_t>(pr.lifeMs)) {
|
||
indicesToRemove.push_back(static_cast<int>(i));
|
||
continue;
|
||
}
|
||
|
||
bool hitDetected = false;
|
||
|
||
{
|
||
std::lock_guard<std::mutex> lm(g_sessions_mutex);
|
||
std::lock_guard<std::mutex> gd(g_dead_mutex);
|
||
|
||
for (auto& session : g_sessions) {
|
||
int targetId = session->get_id();
|
||
|
||
if (targetId == pr.shooterId) continue;
|
||
if (g_dead_players.find(targetId) != g_dead_players.end()) continue;
|
||
|
||
ClientState targetState;
|
||
if (!session->fetchStateAtTime(now, targetState)) continue;
|
||
|
||
Eigen::Vector3f diff = pr.pos - targetState.position;
|
||
float combinedRadius = shipCollisionRadius + projectileHitRadius;
|
||
|
||
if (diff.squaredNorm() <= combinedRadius * combinedRadius) {
|
||
DeathInfo death;
|
||
death.targetId = targetId;
|
||
death.serverTime = now_ms;
|
||
death.position = pr.pos;
|
||
death.killerId = pr.shooterId;
|
||
|
||
deathEvents.push_back(death);
|
||
g_dead_players.insert(targetId);
|
||
indicesToRemove.push_back(static_cast<int>(i));
|
||
hitDetected = true;
|
||
|
||
std::cout << "Server: *** HIT DETECTED! ***" << std::endl;
|
||
std::cout << "Server: Projectile at ("
|
||
<< pr.pos.x() << ", " << pr.pos.y() << ", " << pr.pos.z()
|
||
<< ") hit player " << targetId << std::endl;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (hitDetected) continue;
|
||
}
|
||
|
||
if (!indicesToRemove.empty()) {
|
||
std::sort(indicesToRemove.rbegin(), indicesToRemove.rend());
|
||
for (int idx : indicesToRemove) {
|
||
if (idx >= 0 && idx < (int)g_projectiles.size()) {
|
||
g_projectiles.erase(g_projectiles.begin() + idx);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
std::vector<int> boxesToRespawn;
|
||
|
||
// --- Tick: box-projectile collisions ---
|
||
{
|
||
std::lock_guard<std::mutex> bm(g_boxes_mutex);
|
||
|
||
|
||
std::vector<std::pair<size_t, size_t>> boxProjectileCollisions;
|
||
|
||
for (size_t bi = 0; bi < g_serverBoxes.size(); ++bi) {
|
||
if (g_serverBoxes[bi].destroyed) continue;
|
||
|
||
Eigen::Vector3f boxWorld = g_serverBoxes[bi].position + Eigen::Vector3f(0.0f, 0.0f, 45000.0f);
|
||
|
||
for (size_t pi = 0; pi < g_projectiles.size(); ++pi) {
|
||
const auto& pr = g_projectiles[pi];
|
||
Eigen::Vector3f diff = pr.pos - boxWorld;
|
||
float thresh = boxCollisionRadius + projectileHitRadius;
|
||
|
||
if (diff.squaredNorm() <= thresh * thresh) {
|
||
boxProjectileCollisions.push_back({ bi, pi });
|
||
}
|
||
}
|
||
}
|
||
|
||
for (const auto& [boxIdx, projIdx] : boxProjectileCollisions) {
|
||
if (g_serverBoxes[boxIdx].destroyed) continue;
|
||
g_serverBoxes[boxIdx].destroyed = true;
|
||
|
||
Eigen::Vector3f boxWorld = g_serverBoxes[boxIdx].position + Eigen::Vector3f(0.0f, 0.0f, 45000.0f);
|
||
|
||
BoxDestroyedInfo destruction;
|
||
destruction.boxIndex = static_cast<int>(boxIdx);
|
||
destruction.serverTime = now_ms;
|
||
destruction.position = boxWorld;
|
||
destruction.destroyedBy = g_projectiles[projIdx].shooterId;
|
||
|
||
{
|
||
std::lock_guard<std::mutex> dm(g_boxDestructions_mutex);
|
||
g_boxDestructions.push_back(destruction);
|
||
}
|
||
|
||
boxesToRespawn.push_back(static_cast<int>(boxIdx));
|
||
|
||
std::cout << "Server: Box " << boxIdx << " destroyed by projectile from player "
|
||
<< g_projectiles[projIdx].shooterId << std::endl;
|
||
}
|
||
}
|
||
|
||
// --- Tick: box-ship collisions ---
|
||
{
|
||
std::lock_guard<std::mutex> bm(g_boxes_mutex);
|
||
std::lock_guard<std::mutex> lm(g_sessions_mutex);
|
||
|
||
for (size_t bi = 0; bi < g_serverBoxes.size(); ++bi) {
|
||
if (g_serverBoxes[bi].destroyed) continue;
|
||
|
||
Eigen::Vector3f boxWorld = g_serverBoxes[bi].position + Eigen::Vector3f(0.0f, 0.0f, 45000.0f);
|
||
|
||
for (auto& session : g_sessions) {
|
||
{
|
||
std::lock_guard<std::mutex> gd(g_dead_mutex);
|
||
if (g_dead_players.find(session->get_id()) != g_dead_players.end()) {
|
||
continue;
|
||
}
|
||
}
|
||
|
||
ClientState shipState;
|
||
if (!session->fetchStateAtTime(now, shipState)) continue;
|
||
|
||
Eigen::Vector3f diff = shipState.position - boxWorld;
|
||
float thresh = shipCollisionRadius + boxCollisionRadius;
|
||
|
||
if (diff.squaredNorm() <= thresh * thresh) {
|
||
g_serverBoxes[bi].destroyed = true;
|
||
|
||
BoxDestroyedInfo destruction;
|
||
destruction.boxIndex = static_cast<int>(bi);
|
||
destruction.serverTime = now_ms;
|
||
destruction.position = boxWorld;
|
||
destruction.destroyedBy = session->get_id();
|
||
|
||
{
|
||
std::lock_guard<std::mutex> dm(g_boxDestructions_mutex);
|
||
g_boxDestructions.push_back(destruction);
|
||
}
|
||
|
||
boxesToRespawn.push_back(static_cast<int>(bi));
|
||
|
||
std::cout << "Server: Box " << bi << " destroyed by ship collision with player "
|
||
<< session->get_id() << std::endl;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// --- Broadcast deaths ---
|
||
for (const auto& death : deathEvents) {
|
||
std::string deadMsg = "DEAD:" +
|
||
std::to_string(death.serverTime) + ":" +
|
||
std::to_string(death.targetId) + ":" +
|
||
std::to_string(death.position.x()) + ":" +
|
||
std::to_string(death.position.y()) + ":" +
|
||
std::to_string(death.position.z()) + ":" +
|
||
std::to_string(death.killerId);
|
||
|
||
broadcastToAll(deadMsg);
|
||
|
||
std::cout << "Server: Sent DEAD event - Player " << death.targetId
|
||
<< " killed by " << death.killerId << std::endl;
|
||
}
|
||
|
||
// --- Broadcast box destructions ---
|
||
{
|
||
std::lock_guard<std::mutex> dm(g_boxDestructions_mutex);
|
||
for (const auto& destruction : g_boxDestructions) {
|
||
std::string boxMsg = "BOX_DESTROYED:" +
|
||
std::to_string(destruction.boxIndex) + ":" +
|
||
std::to_string(destruction.serverTime) + ":" +
|
||
std::to_string(destruction.position.x()) + ":" +
|
||
std::to_string(destruction.position.y()) + ":" +
|
||
std::to_string(destruction.position.z()) + ":" +
|
||
std::to_string(destruction.destroyedBy);
|
||
|
||
broadcastToAll(boxMsg);
|
||
std::cout << "Server: Broadcasted BOX_DESTROYED for box " << destruction.boxIndex << std::endl;
|
||
}
|
||
g_boxDestructions.clear();
|
||
}
|
||
|
||
// --- Respawn destroyed boxes ---
|
||
if (!boxesToRespawn.empty()) {
|
||
static thread_local std::mt19937 rng{ std::random_device{}() };
|
||
static thread_local std::uniform_real_distribution<float> angleDist(0.f, static_cast<float>(M_PI * 2.0));
|
||
std::vector<std::string> respawnMsgs;
|
||
{
|
||
std::lock_guard<std::mutex> bm(g_boxes_mutex);
|
||
for (int idx : boxesToRespawn) {
|
||
if (idx < 0 || idx >= (int)g_serverBoxes.size()) continue;
|
||
Eigen::Vector3f newPos = PickSafeBoxPos(idx);
|
||
Eigen::Vector3f axis = Eigen::Vector3f::Random().normalized();
|
||
Eigen::Matrix3f newRot = Eigen::AngleAxisf(angleDist(rng), axis).toRotationMatrix();
|
||
g_serverBoxes[idx].position = newPos;
|
||
g_serverBoxes[idx].rotation = newRot;
|
||
g_serverBoxes[idx].destroyed = false;
|
||
|
||
Eigen::Quaternionf q(newRot);
|
||
std::string respawnMsg = "BOX_RESPAWN:" +
|
||
std::to_string(idx) + ":" +
|
||
std::to_string(newPos.x()) + ":" +
|
||
std::to_string(newPos.y()) + ":" +
|
||
std::to_string(newPos.z()) + ":" +
|
||
std::to_string(q.w()) + ":" +
|
||
std::to_string(q.x()) + ":" +
|
||
std::to_string(q.y()) + ":" +
|
||
std::to_string(q.z());
|
||
respawnMsgs.push_back(respawnMsg);
|
||
std::cout << "Server: Box " << idx << " respawned" << std::endl;
|
||
}
|
||
}
|
||
for (const auto& msg : respawnMsgs) {
|
||
broadcastToAll(msg);
|
||
}
|
||
}
|
||
|
||
// --- Schedule next tick in 50ms ---
|
||
timer.expires_after(std::chrono::milliseconds(50));
|
||
timer.async_wait([this](const boost::system::error_code& ec) {
|
||
if (ec) return;
|
||
update_world();
|
||
});
|
||
}
|
||
|
||
std::vector<ServerBox> Server::generateServerBoxes(int count) {
|
||
std::vector<ServerBox> boxes;
|
||
std::random_device rd;
|
||
std::mt19937 gen(rd());
|
||
|
||
const float MIN_COORD = -1000.0f;
|
||
const float MAX_COORD = 1000.0f;
|
||
const float MIN_DISTANCE = 3.0f;
|
||
const float MIN_DISTANCE_SQUARED = MIN_DISTANCE * MIN_DISTANCE;
|
||
const int MAX_ATTEMPTS = 1000;
|
||
|
||
std::uniform_real_distribution<> posDistrib(MIN_COORD, MAX_COORD);
|
||
std::uniform_real_distribution<> angleDistrib(0.0, M_PI * 2.0);
|
||
|
||
for (int i = 0; i < count; i++) {
|
||
bool accepted = false;
|
||
int attempts = 0;
|
||
|
||
while (!accepted && attempts < MAX_ATTEMPTS) {
|
||
ServerBox box;
|
||
box.position = Eigen::Vector3f(
|
||
(float)posDistrib(gen),
|
||
(float)posDistrib(gen),
|
||
(float)posDistrib(gen)
|
||
);
|
||
|
||
accepted = true;
|
||
for (const auto& existingBox : boxes) {
|
||
Eigen::Vector3f diff = box.position - existingBox.position;
|
||
if (diff.squaredNorm() < MIN_DISTANCE_SQUARED) {
|
||
accepted = false;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (accepted) {
|
||
float randomAngle = (float)angleDistrib(gen);
|
||
Eigen::Vector3f axis = Eigen::Vector3f::Random().normalized();
|
||
box.rotation = Eigen::AngleAxisf(randomAngle, axis).toRotationMatrix();
|
||
boxes.push_back(box);
|
||
}
|
||
|
||
attempts++;
|
||
}
|
||
}
|
||
|
||
return boxes;
|
||
}
|
||
|
||
Server::Server(tcp::acceptor& acceptor, net::io_context& ioc)
|
||
: acceptor_(acceptor)
|
||
, ioc_(ioc)
|
||
, timer(ioc_)
|
||
{
|
||
}
|
||
|
||
void Server::init()
|
||
{
|
||
std::lock_guard<std::mutex> lock(g_boxes_mutex);
|
||
g_serverBoxes = generateServerBoxes(50);
|
||
std::cout << "Generated " << g_serverBoxes.size() << " boxes on server\n";
|
||
}
|
||
|
||
void Server::accept()
|
||
{
|
||
acceptor_.async_accept([&](beast::error_code ec, tcp::socket socket) {
|
||
if (!ec) {
|
||
std::make_shared<Session>(*this, std::move(socket), next_id++)->run();
|
||
}
|
||
accept();
|
||
});
|
||
}
|
||
|
||
int main() {
|
||
try {
|
||
net::io_context ioc;
|
||
tcp::acceptor acceptor{ ioc, {tcp::v4(), 8010} };
|
||
|
||
Server server(acceptor, ioc);
|
||
|
||
server.init();
|
||
server.accept();
|
||
|
||
std::cout << "Server started on port 8010...\n";
|
||
|
||
server.update_world();
|
||
ioc.run();
|
||
}
|
||
catch (std::exception const& e) {
|
||
std::cerr << "Error: " << e.what() << std::endl;
|
||
}
|
||
return 0;
|
||
}
|