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
|
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::convert::TryInto;
pub use planetwars_rules::config::{Config, Map};
use planetwars_rules::protocol::{self as proto, PlayerAction};
use planetwars_rules::serializer as pw_serializer;
use planetwars_rules::{PlanetWars, PwConfig};
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct MatchConfig {
pub map_name: String,
pub max_turns: usize,
}
pub struct PwMatch {
pub match_ctx: MatchCtx,
pub match_state: PlanetWars,
}
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());
PwMatch {
match_state,
match_ctx,
}
}
pub async fn run(&mut self) {
while !self.match_state.is_finished() {
let player_messages = self.prompt_players().await;
for (player_id, turn) in player_messages {
let res = self.execute_action(player_id, turn);
if let Some(err) = action_errors(res) {
let _info_str = serde_json::to_string(&err).unwrap();
// TODO
// println!("player {}: {}", player_id, info_str);
}
}
self.match_state.step();
// Log state
let state = self.match_state.serialize_state();
self.match_ctx.log(MatchLogMessage::GameState(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>>,
) -> proto::PlayerAction {
let turn = match turn {
Err(_timeout) => return proto::PlayerAction::Timeout,
Ok(data) => data,
};
let action: proto::Action = match serde_json::from_slice(&turn) {
Err(err) => return proto::PlayerAction::ParseError(err.to_string()),
Ok(action) => action,
};
let commands = action
.commands
.into_iter()
.map(|command| {
let res = self.match_state.execute_command(player_num, &command);
proto::PlayerCommand {
command,
error: res.err(),
}
})
.collect();
proto::PlayerAction::Commands(commands)
}
}
fn action_errors(action: PlayerAction) -> Option<PlayerAction> {
match action {
PlayerAction::Commands(commands) => {
let failed = commands
.into_iter()
.filter(|cmd| cmd.error.is_some())
.collect::<Vec<_>>();
if failed.is_empty() {
None
} else {
Some(PlayerAction::Commands(failed))
}
}
e => Some(e),
}
}
|
