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12152
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use mio;
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13421
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use protocol::messages::{
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HWProtocolMessage,
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HWServerMessage::*
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};
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13424
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use server::{
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server::HWServer,
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client::ClientId,
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room::HWRoom,
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actions::{Action, Action::*}
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};
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13421
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use utils::is_name_illegal;
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use std::mem::swap;
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13428
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use base64::{encode, decode};
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#[derive(Clone)]
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struct ByMsg<'a> {
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messages: &'a[u8]
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}
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impl <'a> Iterator for ByMsg<'a> {
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type Item = &'a[u8];
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fn next(&mut self) -> Option<<Self as Iterator>::Item> {
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if let Some(size) = self.messages.get(0) {
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let (msg, next) = self.messages.split_at(*size as usize + 1);
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self.messages = next;
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Some(msg)
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} else {
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None
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}
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}
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}
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fn by_msg(source: &Vec<u8>) -> ByMsg {
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ByMsg {messages: &source[..]}
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}
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const VALID_MESSAGES: &[u8] =
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b"M#+LlRrUuDdZzAaSjJ,NpPwtgfhbc12345\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A";
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const NON_TIMED_MESSAGES: &[u8] = b"M#hb";
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fn is_msg_valid(msg: &[u8], team_indices: &[u8]) -> bool {
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if let [size, typ, body..] = msg {
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VALID_MESSAGES.contains(typ) &&
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match body {
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[1...8, team, ..] if *typ == b'h' => team_indices.contains(team),
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_ => *typ != b'h'
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}
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} else {
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false
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}
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}
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fn is_msg_empty(msg: &[u8]) -> bool {
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match msg {
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[_, b'+', ..] => true,
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_ => false
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}
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}
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12152
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13424
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pub fn handle(server: &mut HWServer, client_id: ClientId, message: HWProtocolMessage) {
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13421
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use protocol::messages::HWProtocolMessage::*;
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12152
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match message {
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13424
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Part(None) => server.react(client_id, vec![
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13421
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MoveToLobby("part".to_string())]),
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13424
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Part(Some(msg)) => server.react(client_id, vec![
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13421
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MoveToLobby(format!("part: {}", msg))]),
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Chat(msg) => {
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13424
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let actions = {
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let c = &mut server.clients[client_id];
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let chat_msg = ChatMsg(c.nick.clone(), msg);
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if let Some(room_id) = c.room_id {
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vec![chat_msg.send_all().in_room(room_id).but_self().action()]
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} else {
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Vec::new()
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}
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};
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server.react(client_id, actions);
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13421
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},
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RoomName(new_name) => {
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let actions =
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if is_name_illegal(&new_name) {
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vec![Warn("Illegal room name! A room name must be between 1-40 characters long, must not have a trailing or leading space and must not have any of these characters: $()*+?[]^{|}".to_string())]
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} else if server.has_room(&new_name) {
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vec![Warn("A room with the same name already exists.".to_string())]
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} else {
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let mut old_name = new_name.clone();
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13427
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if let (_, Some(r)) = server.client_and_room(client_id) {
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13421
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swap(&mut r.name, &mut old_name);
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vec![SendRoomUpdate(Some(old_name))]
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} else {
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Vec::new()
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}
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};
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13424
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server.react(client_id, actions);
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},
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ToggleReady => {
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let actions = if let (c, Some(r)) = server.client_and_room(client_id) {
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let flags = if c.is_ready {
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r.ready_players_number -= 1;
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"-r"
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} else {
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r.ready_players_number += 1;
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"+r"
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};
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c.is_ready = !c.is_ready;
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vec![ClientFlags(flags.to_string(), vec![c.nick.clone()])
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.send_all().in_room(r.id).action()]
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} else {
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Vec::new()
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};
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server.react(client_id, actions);
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13421
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}
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13427
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AddTeam(info) => {
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13424
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let mut actions = Vec::new();
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if let (c, Some(r)) = server.client_and_room(client_id) {
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let room_id = r.id;
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if r.teams.len() >= r.team_limit as usize {
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actions.push(Warn("Too many teams!".to_string()))
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} else if r.addable_hedgehogs() == 0 {
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actions.push(Warn("Too many hedgehogs!".to_string()))
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} else if r.find_team(|t| t.name == info.name) != None {
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actions.push(Warn("There's already a team with same name in the list.".to_string()))
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13428
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} else if r.game_info.is_some() {
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13424
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actions.push(Warn("Joining not possible: Round is in progress.".to_string()))
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} else {
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let team = r.add_team(c.id, info);
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c.teams_in_game += 1;
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c.clan = Some(team.color);
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actions.push(TeamAccepted(team.name.clone())
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.send_self().action());
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actions.push(TeamAdd(HWRoom::team_info(&c, team))
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.send_all().in_room(room_id).but_self().action());
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actions.push(TeamColor(team.name.clone(), team.color)
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.send_all().in_room(room_id).action());
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actions.push(HedgehogsNumber(team.name.clone(), team.hedgehogs_number)
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.send_all().in_room(room_id).action());
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actions.push(SendRoomUpdate(None));
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}
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}
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server.react(client_id, actions);
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},
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RemoveTeam(name) => {
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let mut actions = Vec::new();
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if let (c, Some(r)) = server.client_and_room(client_id) {
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match r.find_team_owner(&name) {
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None =>
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actions.push(Warn("Error: The team you tried to remove does not exist.".to_string())),
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Some((id, _)) if id != client_id =>
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actions.push(Warn("You can't remove a team you don't own.".to_string())),
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Some((_, name)) => {
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c.teams_in_game -= 1;
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c.clan = r.find_team_color(c.id);
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actions.push(Action::RemoveTeam(name.to_string()));
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}
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}
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};
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server.react(client_id, actions);
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},
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SetHedgehogsNumber(team_name, number) => {
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let actions = if let (c, Some(r)) = server.client_and_room(client_id) {
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let room_id = r.id;
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let addable_hedgehogs = r.addable_hedgehogs();
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if let Some((_, mut team)) = r.find_team_and_owner_mut(|t| t.name == team_name) {
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if !c.is_master {
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vec![ProtocolError("You're not the room master!".to_string())]
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} else if number < 1 || number > 8
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|| number > addable_hedgehogs + team.hedgehogs_number {
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vec![HedgehogsNumber(team.name.clone(), team.hedgehogs_number)
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.send_self().action()]
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} else {
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team.hedgehogs_number = number;
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vec![HedgehogsNumber(team.name.clone(), number)
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.send_all().in_room(room_id).but_self().action()]
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}
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} else {
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vec![(Warn("No such team.".to_string()))]
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}
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} else {
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Vec::new()
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};
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server.react(client_id, actions);
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},
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SetTeamColor(team_name, color) => {
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let mut owner_id = None;
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let actions = if let (c, Some(r)) = server.client_and_room(client_id) {
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let room_id = r.id;
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if let Some((owner, mut team)) = r.find_team_and_owner_mut(|t| t.name == team_name) {
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if !c.is_master {
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vec![ProtocolError("You're not the room master!".to_string())]
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} else if false {
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Vec::new()
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} else {
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owner_id = Some(owner);
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team.color = color;
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vec![TeamColor(team.name.clone(), color)
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.send_all().in_room(room_id).but_self().action()]
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}
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} else {
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vec![(Warn("No such team.".to_string()))]
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}
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} else {
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Vec::new()
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};
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if let Some(id) = owner_id {
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server.clients[id].clan = Some(color);
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}
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server.react(client_id, actions);
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},
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Cfg(cfg) => {
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let actions = if let (c, Some(r)) = server.client_and_room(client_id) {
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if !c.is_master {
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vec![ProtocolError("You're not the room master!".to_string())]
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} else {
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r.set_config(cfg.clone());
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vec![cfg.into_server_msg()
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.send_all().in_room(r.id).but_self().action()]
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}
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} else {
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Vec::new()
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};
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server.react(client_id, actions);
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13424
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}
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13428
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StartGame => {
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let actions = if let (_, Some(r)) = server.client_and_room(client_id) {
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vec![StartRoomGame(r.id)]
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} else {
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Vec::new()
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};
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server.react(client_id, actions);
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}
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EngineMessage(em) => {
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let mut actions = Vec::new();
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if let (c, Some(r)) = server.client_and_room(client_id) {
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if c.teams_in_game > 0 {
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let decoding = decode(&em[..]).unwrap();
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let messages = by_msg(&decoding);
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let valid = messages.clone().filter(|m| is_msg_valid(m, &c.team_indices));
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let _non_empty = messages.filter(|m| !is_msg_empty(m));
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let _last_valid_timed_msg = valid.clone().scan(None, |res, msg| match msg {
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[_, b'+', ..] => Some(msg),
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[_, typ, ..] if NON_TIMED_MESSAGES.contains(typ) => *res,
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_ => None
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}).next();
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let em_response = encode(&valid.flat_map(|msg| msg).cloned().collect::<Vec<_>>());
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if !em_response.is_empty() {
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actions.push(ForwardEngineMessage(em_response)
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.send_all().in_room(r.id).but_self().action());
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}
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}
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}
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server.react(client_id, actions)
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}
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RoundFinished => {
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let mut actions = Vec::new();
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if let (c, Some(r)) = server.client_and_room(client_id) {
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if c.is_in_game {
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c.is_in_game = false;
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actions.push(ClientFlags("-g".to_string(), vec![c.nick.clone()]).
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send_all().in_room(r.id).action());
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for team in r.client_teams(c.id) {
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actions.push(SendTeamRemovalMessage(team.name.clone()));
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}
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}
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}
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server.react(client_id, actions)
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}
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13424
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_ => warn!("Unimplemented!")
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12152
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}
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}
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