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
|
import { useState, useEffect } from "react";
import useWebSocket, { ReadyState } from "react-use-websocket";
import { useDebouncedCallback } from "use-debounce";
import Connecting from "./apps/Connecting.tsx";
import Waiting from "./apps/Waiting.tsx";
import Starting from "./apps/Starting.tsx";
import Gaming from "./apps/Gaming.tsx";
import Finished from "./apps/Finished.tsx";
import Failed from "./apps/Failed.tsx";
import type { GameState } from "./GameState.ts";
type Props = {
gameId: number;
playerId: number;
};
type WebSocketMessage =
| { type: "connect" }
| { type: "prepare"; data: { problem: string } }
| { type: "ready" }
| { type: "start"; data: { startTime: string } }
| {
type: "finish";
data: { yourScore: number | null; opponentScore: number | null };
}
| { type: "score"; data: { score: number } }
| { type: "code"; data: { code: string } }
| {
type: "watch";
data: {
problem: string;
scoreA: number | null;
codeA: string;
scoreB: number | null;
codeB: string;
};
};
export default function App({ gameId, playerId }: Props) {
// const socketUrl = `wss://t.nil.ninja/iosdc/2024/sock/golf/${gameId}/${playerId}/`;
const socketUrl = `ws://localhost:8002/sock/golf/${gameId}/${playerId}/`;
const { sendJsonMessage, lastJsonMessage, readyState } =
useWebSocket<WebSocketMessage>(socketUrl);
const [gameState, setGameState] = useState<GameState>("connecting");
const [problem, setProblem] = useState<string | null>(null);
// in seconds
const [timeLeft, setTimeLeft] = useState<number | null>(null);
useEffect(() => {
if (gameState === "starting" && timeLeft !== null) {
const timer = setInterval(() => {
setTimeLeft((prevTime) => {
// `prevTime` is not null because `timeLeft` is not null.
prevTime = prevTime!;
if (prevTime <= 1) {
clearInterval(timer);
setGameState("gaming");
return 0;
}
return prevTime - 1;
});
}, 1000);
return () => clearInterval(timer);
}
}, [gameState]);
const [score, setScore] = useState<number | null>(null);
const [result, setResult] = useState<{
yourScore: number | null;
opponentScore: number | null;
} | null>(null);
const onCodeChange = useDebouncedCallback((data) => {
sendJsonMessage({ type: "code", data });
}, 1000);
useEffect(() => {
if (readyState === ReadyState.UNINSTANTIATED) {
setGameState("failed");
} else if (
readyState === ReadyState.CLOSING ||
readyState === ReadyState.CLOSED
) {
if (gameState !== "finished") {
setGameState("failed");
}
} else if (readyState === ReadyState.CONNECTING) {
setGameState("connecting");
} else if (readyState === ReadyState.OPEN) {
if (lastJsonMessage !== null) {
if (lastJsonMessage.type === "prepare") {
const { problem } = lastJsonMessage.data;
setProblem(problem);
sendJsonMessage({ type: "ready", data: {} });
} else if (lastJsonMessage.type === "start") {
const { startTime } = lastJsonMessage.data;
const startTimeMs = Date.parse(startTime);
setTimeLeft(
Math.max(0, Math.floor((startTimeMs - Date.now()) / 1000)),
);
setGameState("starting");
} else if (lastJsonMessage.type === "finish") {
const result = lastJsonMessage.data;
setResult(result);
setGameState("finished");
} else if (lastJsonMessage.type === "score") {
const { score } = lastJsonMessage.data;
setScore(score);
} else {
setGameState("failed");
}
} else {
setGameState("waiting");
sendJsonMessage({ type: "connect", data: {} });
}
}
}, [readyState, lastJsonMessage]);
return (
<div>
<h1>
Game #{gameId} (playerId #{playerId})
</h1>
<div>
{gameState === "connecting" ? (
<Connecting gameId={gameId} playerId={playerId} />
) : gameState === "waiting" ? (
<Waiting gameId={gameId} playerId={playerId} />
) : gameState === "starting" ? (
<Starting gameId={gameId} playerId={playerId} timeLeft={timeLeft} />
) : gameState === "gaming" ? (
<Gaming
gameId={gameId}
playerId={playerId}
problem={problem}
score={score}
onCodeChange={onCodeChange}
/>
) : gameState === "finished" ? (
<Finished gameId={gameId} playerId={playerId} result={result!} />
) : (
<Failed gameId={gameId} playerId={playerId} />
)}
</div>
</div>
);
}
|
