rust/hedgewars-server/src/core/room.rs
author alfadur <mail@none>
Sat, 11 Jan 2020 00:44:25 +0300
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child 15541 d122b65bdf6f
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use super::{
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    client::HwClient,
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    types::{
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        ClientId, GameCfg, GameCfg::*, RoomConfig, RoomId, TeamInfo, Voting, MAX_HEDGEHOGS_PER_TEAM,
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    },
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};
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use bitflags::*;
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use serde::{Deserialize, Serialize};
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use serde_derive::{Deserialize, Serialize};
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use serde_yaml;
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use std::{collections::HashMap, iter};
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pub const MAX_TEAMS_IN_ROOM: u8 = 8;
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pub const MAX_HEDGEHOGS_IN_ROOM: u8 = MAX_TEAMS_IN_ROOM * MAX_HEDGEHOGS_PER_TEAM;
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fn client_teams_impl(
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    teams: &[(ClientId, TeamInfo)],
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    client_id: ClientId,
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) -> impl Iterator<Item = &TeamInfo> + Clone {
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    teams
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        .iter()
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        .filter(move |(id, _)| *id == client_id)
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        .map(|(_, t)| t)
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}
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pub struct GameInfo {
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    pub teams_in_game: u8,
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    pub teams_at_start: Vec<(ClientId, TeamInfo)>,
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    pub left_teams: Vec<String>,
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    pub msg_log: Vec<String>,
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    pub sync_msg: Option<String>,
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    pub is_paused: bool,
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    config: RoomConfig,
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}
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impl GameInfo {
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    fn new(teams: Vec<(ClientId, TeamInfo)>, config: RoomConfig) -> GameInfo {
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        GameInfo {
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            left_teams: Vec::new(),
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            msg_log: Vec::new(),
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            sync_msg: None,
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            is_paused: false,
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            teams_in_game: teams.len() as u8,
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            teams_at_start: teams,
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            config,
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        }
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    }
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    pub fn client_teams(&self, client_id: ClientId) -> impl Iterator<Item = &TeamInfo> + Clone {
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        client_teams_impl(&self.teams_at_start, client_id)
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    }
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}
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#[derive(Serialize, Deserialize)]
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pub struct RoomSave {
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    pub location: String,
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    config: RoomConfig,
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}
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bitflags! {
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    pub struct RoomFlags: u8 {
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        const FIXED = 0b0000_0001;
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        const RESTRICTED_JOIN = 0b0000_0010;
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        const RESTRICTED_TEAM_ADD = 0b0000_0100;
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        const REGISTRATION_REQUIRED = 0b0000_1000;
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    }
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}
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pub struct HwRoom {
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    pub id: RoomId,
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    pub master_id: Option<ClientId>,
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    pub name: String,
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    pub password: Option<String>,
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    pub greeting: String,
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    pub protocol_number: u16,
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    pub flags: RoomFlags,
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    pub players_number: u8,
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    pub default_hedgehog_number: u8,
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    pub max_teams: u8,
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    pub ready_players_number: u8,
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    pub teams: Vec<(ClientId, TeamInfo)>,
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    config: RoomConfig,
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    pub voting: Option<Voting>,
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    pub saves: HashMap<String, RoomSave>,
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    pub game_info: Option<GameInfo>,
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}
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impl HwRoom {
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    pub fn new(id: RoomId) -> HwRoom {
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        HwRoom {
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            id,
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            master_id: None,
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            name: String::new(),
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            password: None,
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            greeting: "".to_string(),
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            flags: RoomFlags::empty(),
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            protocol_number: 0,
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            players_number: 0,
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            default_hedgehog_number: 4,
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            max_teams: MAX_TEAMS_IN_ROOM,
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            ready_players_number: 0,
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            teams: Vec::new(),
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            config: RoomConfig::new(),
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            voting: None,
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            saves: HashMap::new(),
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            game_info: None,
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        }
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    }
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    pub fn hedgehogs_number(&self) -> u8 {
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        self.teams.iter().map(|(_, t)| t.hedgehogs_number).sum()
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    }
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    pub fn addable_hedgehogs(&self) -> u8 {
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        MAX_HEDGEHOGS_IN_ROOM - self.hedgehogs_number()
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    }
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    pub fn add_team(
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        &mut self,
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        owner_id: ClientId,
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        mut team: TeamInfo,
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        preserve_color: bool,
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    ) -> &TeamInfo {
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        if !preserve_color {
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            team.color = iter::repeat(())
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                .enumerate()
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                .map(|(i, _)| i as u8)
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                .take(u8::max_value() as usize + 1)
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                .find(|i| self.teams.iter().all(|(_, t)| t.color != *i))
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                .unwrap_or(0u8)
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        };
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        team.hedgehogs_number = if self.teams.is_empty() {
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            self.default_hedgehog_number
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        } else {
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            self.teams[0]
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                .1
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                .hedgehogs_number
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                .min(self.addable_hedgehogs())
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        };
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        self.teams.push((owner_id, team));
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        &self.teams.last().unwrap().1
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    }
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    pub fn remove_team(&mut self, team_name: &str) {
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        if let Some(index) = self.teams.iter().position(|(_, t)| t.name == team_name) {
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            self.teams.remove(index);
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            if let Some(info) = &mut self.game_info {
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                info.left_teams.push(team_name.to_string());
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                info.teams_in_game -= 1;
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                if let Some(m) = &info.sync_msg {
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                    info.msg_log.push(m.clone());
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                    info.sync_msg = None
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                }
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                let remove_msg =
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                    crate::utils::to_engine_msg(iter::once(b'F').chain(team_name.bytes()));
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                info.msg_log.push(remove_msg.clone());
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            }
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        }
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    }
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    pub fn set_hedgehogs_number(&mut self, n: u8) -> Vec<String> {
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        let mut names = Vec::new();
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        let teams = match self.game_info {
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            Some(ref mut info) => &mut info.teams_at_start,
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            None => &mut self.teams,
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        };
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        if teams.len() as u8 * n <= MAX_HEDGEHOGS_IN_ROOM {
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            for (_, team) in teams.iter_mut() {
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                team.hedgehogs_number = n;
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                names.push(team.name.clone())
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            }
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            self.default_hedgehog_number = n;
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        }
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        names
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    }
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    pub fn find_team_and_owner_mut<F>(&mut self, f: F) -> Option<(ClientId, &mut TeamInfo)>
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    where
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        F: Fn(&TeamInfo) -> bool,
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    {
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        self.teams
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            .iter_mut()
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            .find(|(_, t)| f(t))
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            .map(|(id, t)| (*id, t))
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    }
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    pub fn find_team<F>(&self, f: F) -> Option<&TeamInfo>
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    where
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        F: Fn(&TeamInfo) -> bool,
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    {
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        self.teams
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            .iter()
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            .find_map(|(_, t)| Some(t).filter(|t| f(&t)))
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    }
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    pub fn client_teams(&self, client_id: ClientId) -> impl Iterator<Item = &TeamInfo> {
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        client_teams_impl(&self.teams, client_id)
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    }
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    pub fn client_team_indices(&self, client_id: ClientId) -> Vec<u8> {
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        self.teams
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            .iter()
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            .enumerate()
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            .filter(move |(_, (id, _))| *id == client_id)
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            .map(|(i, _)| i as u8)
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            .collect()
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    }
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    pub fn clan_team_owners(&self, color: u8) -> impl Iterator<Item = ClientId> + '_ {
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        self.teams
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            .iter()
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            .filter(move |(_, t)| t.color == color)
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            .map(|(id, _)| *id)
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    }
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    pub fn find_team_owner(&self, team_name: &str) -> Option<(ClientId, &str)> {
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        self.teams
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            .iter()
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            .find(|(_, t)| t.name == team_name)
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            .map(|(id, t)| (*id, &t.name[..]))
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    }
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    pub fn find_team_color(&self, owner_id: ClientId) -> Option<u8> {
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        self.client_teams(owner_id).nth(0).map(|t| t.color)
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    }
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    pub fn has_multiple_clans(&self) -> bool {
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        self.teams.iter().min_by_key(|(_, t)| t.color)
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            != self.teams.iter().max_by_key(|(_, t)| t.color)
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    }
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    pub fn set_config(&mut self, cfg: GameCfg) {
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        self.config.set_config(cfg);
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    }
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    pub fn start_round(&mut self) {
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        if self.game_info.is_none() {
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            self.game_info = Some(GameInfo::new(self.teams.clone(), self.config.clone()));
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        }
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    }
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    pub fn is_fixed(&self) -> bool {
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        self.flags.contains(RoomFlags::FIXED)
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    }
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    pub fn is_join_restricted(&self) -> bool {
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        self.flags.contains(RoomFlags::RESTRICTED_JOIN)
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    }
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    pub fn is_team_add_restricted(&self) -> bool {
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        self.flags.contains(RoomFlags::RESTRICTED_TEAM_ADD)
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    }
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    pub fn is_registration_required(&self) -> bool {
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        self.flags.contains(RoomFlags::REGISTRATION_REQUIRED)
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    }
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    pub fn set_is_fixed(&mut self, value: bool) {
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        self.flags.set(RoomFlags::FIXED, value)
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    }
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    pub fn set_join_restriction(&mut self, value: bool) {
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        self.flags.set(RoomFlags::RESTRICTED_JOIN, value)
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    }
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    pub fn set_team_add_restriction(&mut self, value: bool) {
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        self.flags.set(RoomFlags::RESTRICTED_TEAM_ADD, value)
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    }
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    pub fn set_unregistered_players_restriction(&mut self, value: bool) {
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        self.flags.set(RoomFlags::REGISTRATION_REQUIRED, value)
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    }
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    fn flags_string(&self) -> String {
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        let mut result = "-".to_string();
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        if self.game_info.is_some() {
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            result += "g"
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        }
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        if self.password.is_some() {
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            result += "p"
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        }
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        if self.is_join_restricted() {
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            result += "j"
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        }
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        if self.is_registration_required() {
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            result += "r"
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        }
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        result
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    }
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    pub fn info(&self, master: Option<&HwClient>) -> Vec<String> {
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        let c = &self.config;
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        vec![
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            self.flags_string(),
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            self.name.clone(),
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            self.players_number.to_string(),
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            self.teams.len().to_string(),
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            master.map_or("[]", |c| &c.nick).to_string(),
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            c.map_type.to_string(),
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            c.script.to_string(),
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            c.scheme.name.to_string(),
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            c.ammo.name.to_string(),
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        ]
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    }
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    pub fn active_config(&self) -> &RoomConfig {
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        match self.game_info {
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            Some(ref info) => &info.config,
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            None => &self.config,
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        }
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    }
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    pub fn map_config(&self) -> Vec<String> {
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        match self.game_info {
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            Some(ref info) => info.config.to_map_config(),
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            None => self.config.to_map_config(),
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        }
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    }
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    pub fn game_config(&self) -> Vec<GameCfg> {
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   319
        match self.game_info {
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            Some(ref info) => info.config.to_game_config(),
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            None => self.config.to_game_config(),
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   322
        }
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   323
    }
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   324
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    pub fn save_config(&mut self, name: String, location: String) {
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   326
        self.saves.insert(
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            name,
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   328
            RoomSave {
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                location,
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   330
                config: self.config.clone(),
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   331
            },
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   332
        );
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   333
    }
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   334
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   335
    pub fn load_config(&mut self, name: &str) -> Option<&str> {
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   336
        if let Some(save) = self.saves.get(name) {
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            self.config = save.config.clone();
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            Some(&save.location[..])
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        } else {
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            None
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        }
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    }
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    pub fn delete_config(&mut self, name: &str) -> bool {
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        self.saves.remove(name).is_some()
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    }
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    pub fn get_saves(&self) -> Result<String, serde_yaml::Error> {
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        serde_yaml::to_string(&(&self.greeting, &self.saves))
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    }
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    pub fn set_saves(&mut self, text: &str) -> Result<(), serde_yaml::Error> {
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        serde_yaml::from_str::<(String, HashMap<String, RoomSave>)>(text).map(
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            |(greeting, saves)| {
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                self.greeting = greeting;
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                self.saves = saves;
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            },
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        )
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    }
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}