From 458e0005690ea9d579588a0a12368fc2c2c9a93a Mon Sep 17 00:00:00 2001
From: untodesu <kirill@untode.su>
Date: Tue, 1 Jul 2025 03:08:39 +0500
Subject: I hyper-focued on refactoring again - I put a cool-sounding "we are
 number one" remix on repeat and straight   up grinded the entire repository
 to a better state until 03:09 AM. I   guess I have something wrong in my
 brain that makes me do this shit

---
 game/server/game.cc | 152 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 game/server/game.cc

(limited to 'game/server/game.cc')

diff --git a/game/server/game.cc b/game/server/game.cc
new file mode 100644
index 0000000..231c87b
--- /dev/null
+++ b/game/server/game.cc
@@ -0,0 +1,152 @@
+#include "server/pch.hh"
+
+#include "server/game.hh"
+
+#include "core/config/number.hh"
+#include "core/config/string.hh"
+#include "core/io/cmdline.hh"
+#include "core/io/config_map.hh"
+#include "core/math/constexpr.hh"
+#include "core/math/crc64.hh"
+#include "core/utils/epoch.hh"
+
+#include "shared/entity/collision.hh"
+#include "shared/entity/gravity.hh"
+#include "shared/entity/head.hh"
+#include "shared/entity/player.hh"
+#include "shared/entity/stasis.hh"
+#include "shared/entity/transform.hh"
+#include "shared/entity/velocity.hh"
+#include "shared/world/dimension.hh"
+
+#include "shared/game_items.hh"
+#include "shared/game_voxels.hh"
+#include "shared/protocol.hh"
+#include "shared/splash.hh"
+
+#include "server/world/universe.hh"
+#include "server/world/unloader.hh"
+#include "server/world/worldgen.hh"
+
+#include "server/chat.hh"
+#include "server/globals.hh"
+#include "server/receive.hh"
+#include "server/sessions.hh"
+#include "server/status.hh"
+#include "server/whitelist.hh"
+
+config::Unsigned server_game::view_distance(4U, 4U, 32U);
+
+std::uint64_t server_game::password_hash = UINT64_MAX;
+
+static config::Number<enet_uint16> listen_port(protocol::PORT, 1024U, UINT16_MAX);
+static config::Unsigned status_peers(2U, 1U, 16U);
+static config::String password_string("");
+
+void server_game::init(void)
+{
+    globals::server_config.add_value("game.listen_port", listen_port);
+    globals::server_config.add_value("game.status_peers", status_peers);
+    globals::server_config.add_value("game.password", password_string);
+    globals::server_config.add_value("game.view_distance", server_game::view_distance);
+
+    sessions::init();
+
+    whitelist::init();
+
+    splash::init_server();
+
+    status::init();
+
+    server_chat::init();
+    server_recieve::init();
+
+    world::worldgen::init();
+
+    world::unloader::init();
+    world::universe::init();
+}
+
+void server_game::init_late(void)
+{
+    server_game::password_hash = math::crc64(password_string.get());
+
+    sessions::init_late();
+
+    whitelist::init_late();
+
+    ENetAddress address;
+    address.host = ENET_HOST_ANY;
+    address.port = listen_port.get_value();
+
+    globals::server_host = enet_host_create(&address, sessions::max_players.get_value() + status_peers.get_value(), 1, 0, 0);
+
+    if(!globals::server_host) {
+        spdlog::critical("game: unable to setup an ENet host");
+        std::terminate();
+    }
+
+    spdlog::info("game: host: {} player + {} status peers", sessions::max_players.get_value(), status_peers.get_value());
+    spdlog::info("game: host: listening on UDP port {}", address.port);
+
+    game_voxels::populate();
+    game_items::populate();
+
+    world::unloader::init_late();
+    world::universe::init_late();
+
+    sessions::init_post_universe();
+}
+
+void server_game::shutdown(void)
+{
+    protocol::Disconnect packet;
+    packet.reason = "protocol.server_shutdown";
+    protocol::broadcast(globals::server_host, protocol::encode(packet));
+
+    whitelist::shutdown();
+
+    sessions::shutdown();
+
+    enet_host_flush(globals::server_host);
+    enet_host_service(globals::server_host, nullptr, 500);
+    enet_host_destroy(globals::server_host);
+
+    world::universe::shutdown();
+}
+
+void server_game::fixed_update(void)
+{
+    // FIXME: threading
+    for(auto dimension : globals::dimensions) {
+        entity::Collision::fixed_update(dimension.second);
+        entity::Velocity::fixed_update(dimension.second);
+        entity::Transform::fixed_update(dimension.second);
+        entity::Gravity::fixed_update(dimension.second);
+        entity::Stasis::fixed_update(dimension.second);
+    }
+}
+
+void server_game::fixed_update_late(void)
+{
+    ENetEvent enet_event;
+
+    while(0 < enet_host_service(globals::server_host, &enet_event, 0)) {
+        if(enet_event.type == ENET_EVENT_TYPE_DISCONNECT) {
+            sessions::destroy(sessions::find(enet_event.peer));
+            sessions::refresh_scoreboard();
+            continue;
+        }
+
+        if(enet_event.type == ENET_EVENT_TYPE_RECEIVE) {
+            protocol::decode(globals::dispatcher, enet_event.packet, enet_event.peer);
+            enet_packet_destroy(enet_event.packet);
+            continue;
+        }
+    }
+
+    // FIXME: threading
+    for(auto dimension : globals::dimensions) {
+        world::unloader::fixed_update_late(dimension.second);
+    }
+}
-- 
cgit