1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
use crate::match_context::RequestError;
use crate::match_log::MatchLogMessage;
use super::match_context::{MatchCtx, RequestResult};
use futures::stream::futures_unordered::FuturesUnordered;
use futures::{FutureExt, StreamExt};
use serde::{Deserialize, Serialize};
use tokio::time::Duration;
use serde_json;
use std::collections::HashMap;
use std::convert::TryInto;
pub use planetwars_rules::config::{Config, Map};
use planetwars_rules::protocol as proto;
use planetwars_rules::serializer as pw_serializer;
use planetwars_rules::{PlanetWars, PwConfig};
pub struct PwMatch {
pub match_ctx: MatchCtx,
pub match_state: PlanetWars,
pub player_status: HashMap<usize, PlayerStatus>,
}
pub struct PlayerStatus {
pub had_command_errors: bool,
pub terminated: bool,
}
impl PwMatch {
pub fn create(match_ctx: MatchCtx, config: PwConfig) -> Self {
// TODO: this is kind of hacked together at the moment
let match_state = PlanetWars::create(config, match_ctx.players().len());
let player_status = match_ctx
.players()
.into_iter()
.map(|player_id| {
(
player_id as usize,
PlayerStatus {
had_command_errors: false,
terminated: false,
},
)
})
.collect();
PwMatch {
match_state,
match_ctx,
player_status,
}
}
pub async fn run(&mut self) {
// log initial state
self.log_game_state();
while !self.match_state.is_finished() {
let player_messages = self.prompt_players().await;
for (player_id, turn) in player_messages {
let player_action = self.execute_action(player_id, turn);
self.update_player_status(player_id, &player_action);
self.log_player_action(player_id, player_action);
}
self.match_state.step();
self.log_game_state();
}
}
async fn prompt_players(&mut self) -> Vec<(usize, RequestResult<Vec<u8>>)> {
// borrow these outside closure to make the borrow checker happy
let state = self.match_state.state();
let match_ctx = &mut self.match_ctx;
// TODO: this numbering is really messy.
// Get rid of the distinction between player_num
// and player_id.
self.match_state
.state()
.players
.iter()
.filter(|p| p.alive)
.map(move |player| {
let state_for_player = pw_serializer::serialize_rotated(state, player.id - 1);
match_ctx
.request(
player.id.try_into().unwrap(),
serde_json::to_vec(&state_for_player).unwrap(),
Duration::from_millis(1000),
)
.map(move |resp| (player.id, resp))
})
.collect::<FuturesUnordered<_>>()
.collect::<Vec<_>>()
.await
}
fn execute_action(&mut self, player_num: usize, turn: RequestResult<Vec<u8>>) -> PlayerAction {
let data = match turn {
Err(RequestError::Timeout) => return PlayerAction::Timeout,
Err(RequestError::BotTerminated) => return PlayerAction::Terminated,
Ok(data) => data,
};
let action: proto::Action = match serde_json::from_slice(&data) {
Err(error) => return PlayerAction::ParseError { data, error },
Ok(action) => action,
};
let commands = action
.commands
.into_iter()
.map(|command| {
let res = self.match_state.execute_command(player_num, &command);
PlayerCommand {
command,
error: res.err(),
}
})
.collect();
PlayerAction::Commands(commands)
}
fn log_game_state(&mut self) {
let state = self.match_state.serialize_state();
self.match_ctx.log(MatchLogMessage::GameState(state));
}
fn log_player_action(&mut self, player_id: usize, player_action: PlayerAction) {
match player_action {
PlayerAction::Timeout => self.match_ctx.log(MatchLogMessage::Timeout {
player_id: player_id as u32,
}),
PlayerAction::Terminated => (), // TODO: should something be logged here?
PlayerAction::ParseError { data, error } => {
// TODO: can this be handled better?
let command =
String::from_utf8(data).unwrap_or_else(|_| "<invalid utf-8>".to_string());
self.match_ctx.log(MatchLogMessage::BadCommand {
player_id: player_id as u32,
command,
error: error.to_string(),
});
}
PlayerAction::Commands(dispatches) => {
self.match_ctx.log(MatchLogMessage::Dispatches {
player_id: player_id as u32,
dispatches,
});
}
}
}
fn update_player_status(&mut self, player_id: usize, player_action: &PlayerAction) {
let player_status = self.player_status.get_mut(&player_id).unwrap();
match player_action {
PlayerAction::Commands(dispatches) => {
if dispatches.iter().any(|d| d.error.is_some()) {
player_status.had_command_errors = true;
}
}
PlayerAction::ParseError { .. } => {
player_status.had_command_errors = true;
}
PlayerAction::Timeout => {
player_status.had_command_errors = true;
}
PlayerAction::Terminated => {
player_status.terminated = true;
}
}
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PlayerCommand {
#[serde(flatten)]
pub command: proto::Command,
#[serde(skip_serializing_if = "Option::is_none")]
pub error: Option<proto::CommandError>,
}
/// the action a player performed.
// TODO: can we name this better? Is this a "play"?
pub enum PlayerAction {
Timeout,
Terminated,
ParseError {
data: Vec<u8>,
error: serde_json::Error,
},
Commands(Vec<PlayerCommand>),
}
|
