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// -*- coding: utf-8 -*-
//
// Copyright 2021 Michael Buesch <m@bues.ch>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
use anyhow as ah;
use crate::net::protocol::{
MSG_PLAYERMODE_SPECTATOR,
MSG_PLAYERMODE_WOLF,
MSG_PLAYERMODE_SHEEP,
MSG_PLAYERMODE_BOTH,
};
use std::cmp::{Ord, PartialOrd, Eq, PartialEq};
use std::fmt;
pub fn num_to_player_mode(player_mode: u32) -> ah::Result<PlayerMode> {
match player_mode {
MSG_PLAYERMODE_SPECTATOR =>
Ok(PlayerMode::Spectator),
MSG_PLAYERMODE_BOTH =>
Ok(PlayerMode::Both),
MSG_PLAYERMODE_WOLF =>
Ok(PlayerMode::Wolf),
MSG_PLAYERMODE_SHEEP =>
Ok(PlayerMode::Sheep),
_ =>
Err(ah::format_err!("Received invalid player_mode: {}", player_mode)),
}
}
pub const fn player_mode_to_num(player_mode: PlayerMode) -> u32 {
match player_mode {
PlayerMode::Spectator =>
MSG_PLAYERMODE_SPECTATOR,
PlayerMode::Both =>
MSG_PLAYERMODE_BOTH,
PlayerMode::Wolf =>
MSG_PLAYERMODE_WOLF,
PlayerMode::Sheep =>
MSG_PLAYERMODE_SHEEP,
}
}
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub enum PlayerMode {
/// Spectators can't manipulate the game state.
Spectator,
/// Player can manipulate wolves and sheep.
Both,
/// Player can manipulate wolves.
Wolf,
/// Player can manipulate sheep.
Sheep,
}
impl fmt::Display for PlayerMode {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", match self {
PlayerMode::Spectator => "Spectator",
PlayerMode::Both => "Wolf and sheep",
PlayerMode::Wolf => "Wolf",
PlayerMode::Sheep => "Sheep",
})
}
}
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct Player {
pub name: String,
pub mode: PlayerMode,
pub is_self: bool,
}
impl Player {
pub fn new(name: String,
mode: PlayerMode,
is_self: bool) -> Player {
Player {
name,
mode,
is_self,
}
}
}
impl PartialOrd for Player {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
self.name.partial_cmp(&other.name)
}
}
impl Ord for Player {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.name.cmp(&other.name)
}
}
#[derive(Clone, PartialEq, Debug)]
pub struct PlayerList {
players: Vec<Player>,
}
impl PlayerList {
pub fn new(players: Vec<Player>) -> PlayerList {
PlayerList {
players,
}
}
pub fn count(&self) -> usize {
self.players.len()
}
pub fn is_empty(&self) -> bool {
self.count() == 0
}
pub fn resize<F>(&mut self, new_size: usize, new_item: F)
where
F: Fn() -> Player,
{
self.players.resize_with(new_size, new_item);
}
pub fn find_player_by_name(&self, name: &str) -> Option<&Player> {
for player in &self.players {
if player.name == name {
return Some(player);
}
}
None
}
pub fn find_players_by_mode(&self, mode: PlayerMode) -> Vec<Player> {
let mut players = self.players.to_vec();
players.retain(|p| p.mode == mode);
players
}
pub fn add_player(&mut self, player: Player) {
self.players.push(player);
}
pub fn remove_player_by_name(&mut self, name: &str) {
self.players.retain(|p| p.name != name);
}
pub fn set_player(&mut self, index: usize, player: Player) {
if index < self.players.len() {
self.players[index] = player;
}
}
pub fn iter(&self) -> PlayerListIterator {
PlayerListIterator::new(self)
}
}
pub struct PlayerListIterator<'a> {
player_list: &'a PlayerList,
index: usize,
}
impl<'a> PlayerListIterator<'a> {
fn new(player_list: &'a PlayerList) -> PlayerListIterator<'a> {
PlayerListIterator {
player_list,
index: 0,
}
}
}
impl<'a> Iterator for PlayerListIterator<'a> {
type Item = &'a Player;
fn next(&mut self) -> Option<Self::Item> {
if self.index >= self.player_list.players.len() {
None
} else {
let i = self.index;
self.index += 1;
Some(&self.player_list.players[i])
}
}
}
// vim: ts=4 sw=4 expandtab
|
