--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/hedgewars-server/src/server/actions.rs Mon Dec 10 22:44:46 2018 +0100
@@ -0,0 +1,631 @@
+use std::{
+ io, io::Write,
+ iter::once,
+ mem::replace
+};
+use super::{
+ core::HWServer,
+ room::{GameInfo, RoomFlags},
+ client::HWClient,
+ coretypes::{ClientId, RoomId, GameCfg, VoteType},
+ room::HWRoom,
+ handlers
+};
+use crate::{
+ protocol::messages::{
+ HWProtocolMessage,
+ HWServerMessage,
+ HWServerMessage::*,
+ server_chat
+ },
+ utils::to_engine_msg
+};
+use rand::{thread_rng, Rng, distributions::Uniform};
+
+pub enum Destination {
+ ToId(ClientId),
+ ToSelf,
+ ToAll {
+ room_id: Option<RoomId>,
+ protocol: Option<u16>,
+ skip_self: bool
+ }
+}
+
+pub struct PendingMessage {
+ pub destination: Destination,
+ pub message: HWServerMessage
+}
+
+impl PendingMessage {
+ pub fn send(message: HWServerMessage, client_id: ClientId) -> PendingMessage {
+ PendingMessage{ destination: Destination::ToId(client_id), message}
+ }
+
+ pub fn send_self(message: HWServerMessage) -> PendingMessage {
+ PendingMessage{ destination: Destination::ToSelf, message }
+ }
+
+ pub fn send_all(message: HWServerMessage) -> PendingMessage {
+ let destination = Destination::ToAll {
+ room_id: None,
+ protocol: None,
+ skip_self: false,
+ };
+ PendingMessage{ destination, message }
+ }
+
+ pub fn in_room(mut self, clients_room_id: RoomId) -> PendingMessage {
+ if let Destination::ToAll {ref mut room_id, ..} = self.destination {
+ *room_id = Some(clients_room_id)
+ }
+ self
+ }
+
+ pub fn with_protocol(mut self, protocol_number: u16) -> PendingMessage {
+ if let Destination::ToAll {ref mut protocol, ..} = self.destination {
+ *protocol = Some(protocol_number)
+ }
+ self
+ }
+
+ pub fn but_self(mut self) -> PendingMessage {
+ if let Destination::ToAll {ref mut skip_self, ..} = self.destination {
+ *skip_self = true
+ }
+ self
+ }
+
+ pub fn action(self) -> Action { Send(self) }
+}
+
+impl Into<Action> for PendingMessage {
+ fn into(self) -> Action { self.action() }
+}
+
+impl HWServerMessage {
+ pub fn send(self, client_id: ClientId) -> PendingMessage { PendingMessage::send(self, client_id) }
+ pub fn send_self(self) -> PendingMessage { PendingMessage::send_self(self) }
+ pub fn send_all(self) -> PendingMessage { PendingMessage::send_all(self) }
+}
+
+pub enum Action {
+ Send(PendingMessage),
+ RemoveClient,
+ ByeClient(String),
+ ReactProtocolMessage(HWProtocolMessage),
+ CheckRegistered,
+ JoinLobby,
+ AddRoom(String, Option<String>),
+ RemoveRoom(RoomId),
+ MoveToRoom(RoomId),
+ MoveToLobby(String),
+ ChangeMaster(RoomId, Option<ClientId>),
+ RemoveTeam(String),
+ RemoveClientTeams,
+ SendRoomUpdate(Option<String>),
+ StartRoomGame(RoomId),
+ SendTeamRemovalMessage(String),
+ FinishRoomGame(RoomId),
+ SendRoomData{to: ClientId, teams: bool, config: bool, flags: bool},
+ AddVote{vote: bool, is_forced: bool},
+ ApplyVoting(VoteType, RoomId),
+ Warn(String),
+ ProtocolError(String)
+}
+
+use self::Action::*;
+
+pub fn run_action(server: &mut HWServer, client_id: usize, action: Action) {
+ match action {
+ Send(msg) => server.send(client_id, &msg.destination, msg.message),
+ ByeClient(msg) => {
+ let c = &server.clients[client_id];
+ let nick = c.nick.clone();
+
+ if let Some(id) = c.room_id{
+ if id != server.lobby_id {
+ server.react(client_id, vec![
+ MoveToLobby(format!("quit: {}", msg.clone()))]);
+ }
+ }
+
+ server.react(client_id, vec![
+ LobbyLeft(nick, msg.clone()).send_all().action(),
+ Bye(msg).send_self().action(),
+ RemoveClient]);
+ },
+ RemoveClient => {
+ server.removed_clients.push(client_id);
+ if server.clients.contains(client_id) {
+ server.clients.remove(client_id);
+ }
+ },
+ ReactProtocolMessage(msg) =>
+ handlers::handle(server, client_id, msg),
+ CheckRegistered => {
+ let client = &server.clients[client_id];
+ if client.protocol_number > 0 && client.nick != "" {
+ let has_nick_clash = server.clients.iter().any(
+ |(id, c)| id != client_id && c.nick == client.nick);
+
+ let actions = if !client.is_checker() && has_nick_clash {
+ if client.protocol_number < 38 {
+ vec![ByeClient("Nickname is already in use".to_string())]
+ } else {
+ server.clients[client_id].nick.clear();
+ vec![Notice("NickAlreadyInUse".to_string()).send_self().action()]
+ }
+ } else {
+ vec![JoinLobby]
+ };
+ server.react(client_id, actions);
+ }
+ },
+ JoinLobby => {
+ server.clients[client_id].room_id = Some(server.lobby_id);
+
+ let mut lobby_nicks = Vec::new();
+ for (_, c) in server.clients.iter() {
+ if c.room_id.is_some() {
+ lobby_nicks.push(c.nick.clone());
+ }
+ }
+ let joined_msg = LobbyJoined(lobby_nicks);
+
+ let everyone_msg = LobbyJoined(vec![server.clients[client_id].nick.clone()]);
+ let flags_msg = ClientFlags(
+ "+i".to_string(),
+ server.clients.iter()
+ .filter(|(_, c)| c.room_id.is_some())
+ .map(|(_, c)| c.nick.clone())
+ .collect());
+ let server_msg = ServerMessage("\u{1f994} is watching".to_string());
+ let rooms_msg = Rooms(server.rooms.iter()
+ .filter(|(id, _)| *id != server.lobby_id)
+ .flat_map(|(_, r)|
+ r.info(r.master_id.map(|id| &server.clients[id])))
+ .collect());
+ server.react(client_id, vec![
+ everyone_msg.send_all().but_self().action(),
+ joined_msg.send_self().action(),
+ flags_msg.send_self().action(),
+ server_msg.send_self().action(),
+ rooms_msg.send_self().action(),
+ ]);
+ },
+ AddRoom(name, password) => {
+ let room_id = server.add_room();;
+
+ let r = &mut server.rooms[room_id];
+ let c = &mut server.clients[client_id];
+ r.master_id = Some(c.id);
+ r.name = name;
+ r.password = password;
+ r.protocol_number = c.protocol_number;
+
+ let actions = vec![
+ RoomAdd(r.info(Some(&c))).send_all()
+ .with_protocol(r.protocol_number).action(),
+ MoveToRoom(room_id)];
+
+ server.react(client_id, actions);
+ },
+ RemoveRoom(room_id) => {
+ let r = &mut server.rooms[room_id];
+ let actions = vec![RoomRemove(r.name.clone()).send_all()
+ .with_protocol(r.protocol_number).action()];
+ server.rooms.remove(room_id);
+ server.react(client_id, actions);
+ }
+ MoveToRoom(room_id) => {
+ let r = &mut server.rooms[room_id];
+ let c = &mut server.clients[client_id];
+ r.players_number += 1;
+ c.room_id = Some(room_id);
+
+ let is_master = r.master_id == Some(c.id);
+ c.set_is_master(is_master);
+ c.set_is_ready(is_master);
+ c.set_is_joined_mid_game(false);
+
+ if is_master {
+ r.ready_players_number += 1;
+ }
+
+ let mut v = vec![
+ RoomJoined(vec![c.nick.clone()]).send_all().in_room(room_id).action(),
+ ClientFlags("+i".to_string(), vec![c.nick.clone()]).send_all().action(),
+ SendRoomUpdate(None)];
+
+ if !r.greeting.is_empty() {
+ v.push(ChatMsg {nick: "[greeting]".to_string(), msg: r.greeting.clone()}
+ .send_self().action());
+ }
+
+ if !c.is_master() {
+ let team_names: Vec<_>;
+ if let Some(ref mut info) = r.game_info {
+ c.set_is_in_game(true);
+ c.set_is_joined_mid_game(true);
+
+ {
+ let teams = info.client_teams(c.id);
+ c.teams_in_game = teams.clone().count() as u8;
+ c.clan = teams.clone().next().map(|t| t.color);
+ team_names = teams.map(|t| t.name.clone()).collect();
+ }
+
+ if !team_names.is_empty() {
+ info.left_teams.retain(|name|
+ !team_names.contains(&name));
+ info.teams_in_game += team_names.len() as u8;
+ r.teams = info.teams_at_start.iter()
+ .filter(|(_, t)| !team_names.contains(&t.name))
+ .cloned().collect();
+ }
+ } else {
+ team_names = Vec::new();
+ }
+
+ v.push(SendRoomData{ to: client_id, teams: true, config: true, flags: true});
+
+ if let Some(ref info) = r.game_info {
+ v.push(RunGame.send_self().action());
+ v.push(ClientFlags("+g".to_string(), vec![c.nick.clone()])
+ .send_all().in_room(r.id).action());
+ v.push(ForwardEngineMessage(
+ vec![to_engine_msg("e$spectate 1".bytes())])
+ .send_self().action());
+ v.push(ForwardEngineMessage(info.msg_log.clone())
+ .send_self().action());
+
+ for name in &team_names {
+ v.push(ForwardEngineMessage(
+ vec![to_engine_msg(once(b'G').chain(name.bytes()))])
+ .send_all().in_room(r.id).action());
+ }
+ if info.is_paused {
+ v.push(ForwardEngineMessage(vec![to_engine_msg(once(b'I'))])
+ .send_all().in_room(r.id).action())
+ }
+ }
+ }
+ server.react(client_id, v);
+ }
+ SendRoomData {to, teams, config, flags} => {
+ let mut actions = Vec::new();
+ let room_id = server.clients[client_id].room_id;
+ if let Some(r) = room_id.and_then(|id| server.rooms.get(id)) {
+ if config {
+ actions.push(ConfigEntry("FULLMAPCONFIG".to_string(), r.map_config())
+ .send(to).action());
+ for cfg in r.game_config() {
+ actions.push(cfg.to_server_msg().send(to).action());
+ }
+ }
+ if teams {
+ let current_teams = match r.game_info {
+ Some(ref info) => &info.teams_at_start,
+ None => &r.teams
+ };
+ for (owner_id, team) in current_teams.iter() {
+ actions.push(TeamAdd(HWRoom::team_info(&server.clients[*owner_id], &team))
+ .send(to).action());
+ actions.push(TeamColor(team.name.clone(), team.color)
+ .send(to).action());
+ actions.push(HedgehogsNumber(team.name.clone(), team.hedgehogs_number)
+ .send(to).action());
+ }
+ }
+ if flags {
+ if let Some(id) = r.master_id {
+ actions.push(ClientFlags("+h".to_string(), vec![server.clients[id].nick.clone()])
+ .send(to).action());
+ }
+ let nicks: Vec<_> = server.clients.iter()
+ .filter(|(_, c)| c.room_id == Some(r.id) && c.is_ready())
+ .map(|(_, c)| c.nick.clone()).collect();
+ if !nicks.is_empty() {
+ actions.push(ClientFlags("+r".to_string(), nicks)
+ .send(to).action());
+ }
+ }
+ }
+ server.react(client_id, actions);
+ }
+ AddVote{vote, is_forced} => {
+ let mut actions = Vec::new();
+ if let Some(r) = server.room(client_id) {
+ let mut result = None;
+ if let Some(ref mut voting) = r.voting {
+ if is_forced || voting.votes.iter().all(|(id, _)| client_id != *id) {
+ actions.push(server_chat("Your vote has been counted.".to_string())
+ .send_self().action());
+ voting.votes.push((client_id, vote));
+ let i = voting.votes.iter();
+ let pro = i.clone().filter(|(_, v)| *v).count();
+ let contra = i.filter(|(_, v)| !*v).count();
+ let success_quota = voting.voters.len() / 2 + 1;
+ if is_forced && vote || pro >= success_quota {
+ result = Some(true);
+ } else if is_forced && !vote || contra > voting.voters.len() - success_quota {
+ result = Some(false);
+ }
+ } else {
+ actions.push(server_chat("You already have voted.".to_string())
+ .send_self().action());
+ }
+ } else {
+ actions.push(server_chat("There's no voting going on.".to_string())
+ .send_self().action());
+ }
+
+ if let Some(res) = result {
+ actions.push(server_chat("Voting closed.".to_string())
+ .send_all().in_room(r.id).action());
+ let voting = replace(&mut r.voting, None).unwrap();
+ if res {
+ actions.push(ApplyVoting(voting.kind, r.id));
+ }
+ }
+ }
+
+ server.react(client_id, actions);
+ }
+ ApplyVoting(kind, room_id) => {
+ let mut actions = Vec::new();
+ let mut id = client_id;
+ match kind {
+ VoteType::Kick(nick) => {
+ if let Some(c) = server.find_client(&nick) {
+ if c.room_id == Some(room_id) {
+ id = c.id;
+ actions.push(Kicked.send_self().action());
+ actions.push(MoveToLobby("kicked".to_string()));
+ }
+ }
+ },
+ VoteType::Map(None) => (),
+ VoteType::Map(Some(name)) => {
+ if let Some(location) = server.rooms[room_id].load_config(&name) {
+ actions.push(server_chat(location.to_string())
+ .send_all().in_room(room_id).action());
+ actions.push(SendRoomUpdate(None));
+ for (_, c) in server.clients.iter() {
+ if c.room_id == Some(room_id) {
+ actions.push(SendRoomData{
+ to: c.id, teams: false,
+ config: true, flags: false})
+ }
+ }
+ }
+ },
+ VoteType::Pause => {
+ if let Some(ref mut info) = server.rooms[room_id].game_info {
+ info.is_paused = !info.is_paused;
+ actions.push(server_chat("Pause toggled.".to_string())
+ .send_all().in_room(room_id).action());
+ actions.push(ForwardEngineMessage(vec![to_engine_msg(once(b'I'))])
+ .send_all().in_room(room_id).action());
+ }
+ },
+ VoteType::NewSeed => {
+ let seed = thread_rng().gen_range(0, 1_000_000_000).to_string();
+ let cfg = GameCfg::Seed(seed);
+ actions.push(cfg.to_server_msg().send_all().in_room(room_id).action());
+ server.rooms[room_id].set_config(cfg);
+ },
+ VoteType::HedgehogsPerTeam(number) => {
+ let r = &mut server.rooms[room_id];
+ let nicks = r.set_hedgehogs_number(number);
+ actions.extend(nicks.into_iter().map(|n|
+ HedgehogsNumber(n, number).send_all().in_room(room_id).action()
+ ));
+ },
+ }
+ server.react(id, actions);
+ }
+ MoveToLobby(msg) => {
+ let mut actions = Vec::new();
+ let lobby_id = server.lobby_id;
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ r.players_number -= 1;
+ if c.is_ready() && r.ready_players_number > 0 {
+ r.ready_players_number -= 1;
+ }
+ if c.is_master() && (r.players_number > 0 || r.is_fixed()) {
+ actions.push(ChangeMaster(r.id, None));
+ }
+ actions.push(ClientFlags("-i".to_string(), vec![c.nick.clone()])
+ .send_all().action());
+ }
+ server.react(client_id, actions);
+ actions = Vec::new();
+
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ c.room_id = Some(lobby_id);
+ if r.players_number == 0 && !r.is_fixed() {
+ actions.push(RemoveRoom(r.id));
+ } else {
+ actions.push(RemoveClientTeams);
+ actions.push(RoomLeft(c.nick.clone(), msg)
+ .send_all().in_room(r.id).but_self().action());
+ actions.push(SendRoomUpdate(Some(r.name.clone())));
+ }
+ }
+ server.react(client_id, actions)
+ }
+ ChangeMaster(room_id, new_id) => {
+ let mut actions = Vec::new();
+ let room_client_ids = server.room_clients(room_id);
+ let new_id = if server.room(client_id).map(|r| r.is_fixed()).unwrap_or(false) {
+ new_id
+ } else {
+ new_id.or_else(||
+ room_client_ids.iter().find(|id| **id != client_id).cloned())
+ };
+ let new_nick = new_id.map(|id| server.clients[id].nick.clone());
+
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ match r.master_id {
+ Some(id) if id == c.id => {
+ c.set_is_master(false);
+ r.master_id = None;
+ actions.push(ClientFlags("-h".to_string(), vec![c.nick.clone()])
+ .send_all().in_room(r.id).action());
+ }
+ Some(_) => unreachable!(),
+ None => {}
+ }
+ r.master_id = new_id;
+ if !r.is_fixed() && c.protocol_number < 42 {
+ r.name.replace_range(.., new_nick.as_ref().map_or("[]", String::as_str));
+ }
+ r.set_join_restriction(false);
+ r.set_team_add_restriction(false);
+ let is_fixed = r.is_fixed();
+ r.set_unregistered_players_restriction(is_fixed);
+ if let Some(nick) = new_nick {
+ actions.push(ClientFlags("+h".to_string(), vec![nick])
+ .send_all().in_room(r.id).action());
+ }
+ }
+ if let Some(id) = new_id {
+ server.clients[id].set_is_master(true)
+ }
+ server.react(client_id, actions);
+ }
+ RemoveTeam(name) => {
+ let mut actions = Vec::new();
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ r.remove_team(&name);
+ if let Some(ref mut info) = r.game_info {
+ info.left_teams.push(name.clone());
+ }
+ actions.push(TeamRemove(name.clone()).send_all().in_room(r.id).action());
+ actions.push(SendRoomUpdate(None));
+ if r.game_info.is_some() && c.is_in_game() {
+ actions.push(SendTeamRemovalMessage(name));
+ }
+ }
+ server.react(client_id, actions);
+ },
+ RemoveClientTeams => {
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ let actions = r.client_teams(c.id).map(|t| RemoveTeam(t.name.clone())).collect();
+ server.react(client_id, actions);
+ }
+ }
+ SendRoomUpdate(old_name) => {
+ if let (c, Some(r)) = server.client_and_room(client_id) {
+ let name = old_name.unwrap_or_else(|| r.name.clone());
+ let actions = vec![RoomUpdated(name, r.info(Some(&c)))
+ .send_all().with_protocol(r.protocol_number).action()];
+ server.react(client_id, actions);
+ }
+ },
+ StartRoomGame(room_id) => {
+ let actions = {
+ let (room_clients, room_nicks): (Vec<_>, Vec<_>) = server.clients.iter()
+ .map(|(id, c)| (id, c.nick.clone())).unzip();
+ let room = &mut server.rooms[room_id];
+
+ if !room.has_multiple_clans() {
+ vec![Warn("The game can't be started with less than two clans!".to_string())]
+ } else if room.protocol_number <= 43 && room.players_number != room.ready_players_number {
+ vec![Warn("Not all players are ready".to_string())]
+ } else if room.game_info.is_some() {
+ vec![Warn("The game is already in progress".to_string())]
+ } else {
+ room.start_round();
+ for id in room_clients {
+ let c = &mut server.clients[id];
+ c.set_is_in_game(false);
+ c.team_indices = room.client_team_indices(c.id);
+ }
+ vec![RunGame.send_all().in_room(room.id).action(),
+ SendRoomUpdate(None),
+ ClientFlags("+g".to_string(), room_nicks)
+ .send_all().in_room(room.id).action()]
+ }
+ };
+ server.react(client_id, actions);
+ }
+ SendTeamRemovalMessage(team_name) => {
+ let mut actions = Vec::new();
+ if let Some(r) = server.room(client_id) {
+ if let Some(ref mut info) = r.game_info {
+ let msg = once(b'F').chain(team_name.bytes());
+ actions.push(ForwardEngineMessage(vec![to_engine_msg(msg)]).
+ send_all().in_room(r.id).but_self().action());
+ info.teams_in_game -= 1;
+ if info.teams_in_game == 0 {
+ actions.push(FinishRoomGame(r.id));
+ }
+ let remove_msg = to_engine_msg(once(b'F').chain(team_name.bytes()));
+ if let Some(m) = &info.sync_msg {
+ info.msg_log.push(m.clone());
+ }
+ if info.sync_msg.is_some() {
+ info.sync_msg = None
+ }
+ info.msg_log.push(remove_msg.clone());
+ actions.push(ForwardEngineMessage(vec![remove_msg])
+ .send_all().in_room(r.id).but_self().action());
+ }
+ }
+ server.react(client_id, actions);
+ }
+ FinishRoomGame(room_id) => {
+ let mut actions = Vec::new();
+
+ let r = &mut server.rooms[room_id];
+ r.ready_players_number = 1;
+ actions.push(SendRoomUpdate(None));
+ actions.push(RoundFinished.send_all().in_room(r.id).action());
+
+ if let Some(info) = replace(&mut r.game_info, None) {
+ for (_, c) in server.clients.iter() {
+ if c.room_id == Some(room_id) && c.is_joined_mid_game() {
+ actions.push(SendRoomData{
+ to: c.id, teams: false,
+ config: true, flags: false});
+ for name in &info.left_teams {
+ actions.push(TeamRemove(name.clone())
+ .send(c.id).action());
+ }
+ }
+ }
+ }
+
+ let nicks: Vec<_> = server.clients.iter_mut()
+ .filter(|(_, c)| c.room_id == Some(room_id))
+ .map(|(_, c)| {
+ c.set_is_ready(c.is_master());
+ c.set_is_joined_mid_game(false);
+ c
+ }).filter_map(|c| if !c.is_master() {
+ Some(c.nick.clone())
+ } else {
+ None
+ }).collect();
+
+ if !nicks.is_empty() {
+ let msg = if r.protocol_number < 38 {
+ LegacyReady(false, nicks)
+ } else {
+ ClientFlags("-r".to_string(), nicks)
+ };
+ actions.push(msg.send_all().in_room(room_id).action());
+ }
+ server.react(client_id, actions);
+ }
+ Warn(msg) => {
+ run_action(server, client_id, Warning(msg).send_self().action());
+ }
+ ProtocolError(msg) => {
+ run_action(server, client_id, Error(msg).send_self().action())
+ }
+ }
+}