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|
import { atom } from "jotai";
import type { components } from "../.server/api/schema";
import type { SubmitResult } from "../types/SubmitResult";
type RawGameState =
| {
kind: "connecting";
startedAtTimestamp: null;
}
| {
kind: "waiting";
startedAtTimestamp: null;
}
| {
kind: "starting";
startedAtTimestamp: number;
};
const rawGameStateAtom = atom<RawGameState>({
kind: "connecting",
startedAtTimestamp: null,
});
export type GameStateKind =
| "connecting"
| "waiting"
| "starting"
| "gaming"
| "finished";
export const gameStateKindAtom = atom<GameStateKind>((get) => {
const { kind: rawKind, startedAtTimestamp } = get(rawGameStateAtom);
if (rawKind === "connecting" || rawKind === "waiting") {
return rawKind;
} else {
const durationSeconds = get(rawDurationSecondsAtom);
const finishedAtTimestamp = startedAtTimestamp + durationSeconds;
const currentTimestamp = get(rawCurrentTimestampAtom);
if (currentTimestamp < startedAtTimestamp) {
return "starting";
} else if (currentTimestamp < finishedAtTimestamp) {
return "gaming";
} else {
return "finished";
}
}
});
export const gameStartAtom = atom(null, (get, set, value: number) => {
const { kind } = get(rawGameStateAtom);
if (kind === "starting") {
return;
}
set(rawGameStateAtom, {
kind: "starting",
startedAtTimestamp: value,
});
});
export const setGameStateConnectingAtom = atom(null, (_, set) =>
set(rawGameStateAtom, { kind: "connecting", startedAtTimestamp: null }),
);
export const setGameStateWaitingAtom = atom(null, (_, set) =>
set(rawGameStateAtom, { kind: "waiting", startedAtTimestamp: null }),
);
const rawCurrentTimestampAtom = atom(0);
export const setCurrentTimestampAtom = atom(null, (_, set) =>
set(rawCurrentTimestampAtom, Math.floor(Date.now() / 1000)),
);
const rawDurationSecondsAtom = atom<number>(0);
export const setDurationSecondsAtom = atom(null, (_, set, value: number) =>
set(rawDurationSecondsAtom, value),
);
export const startingLeftTimeSecondsAtom = atom<number | null>((get) => {
const { startedAtTimestamp } = get(rawGameStateAtom);
if (startedAtTimestamp === null) {
return null;
}
const currentTimestamp = get(rawCurrentTimestampAtom);
return Math.max(0, startedAtTimestamp - currentTimestamp);
});
export const gamingLeftTimeSecondsAtom = atom<number | null>((get) => {
const { startedAtTimestamp } = get(rawGameStateAtom);
if (startedAtTimestamp === null) {
return null;
}
const durationSeconds = get(rawDurationSecondsAtom);
const finishedAtTimestamp = startedAtTimestamp + durationSeconds;
const currentTimestamp = get(rawCurrentTimestampAtom);
return Math.min(
durationSeconds,
Math.max(0, finishedAtTimestamp - currentTimestamp),
);
});
export const handleWsConnectionClosedAtom = atom(null, (get, set) => {
const kind = get(gameStateKindAtom);
if (kind !== "finished") {
set(setGameStateConnectingAtom);
}
});
export const scoreAtom = atom<number | null>(null);
export const submitResultAtom = atom<SubmitResult>({
status: "waiting_submission",
execResults: [],
});
export const handleSubmitCodeAtom = atom(null, (_, set) => {
set(submitResultAtom, (prev) => ({
status: "running",
execResults: prev.execResults.map((r) => ({
...r,
status: "running",
stdout: "",
stderr: "",
})),
}));
});
type GamePlayerMessageS2CExecResultPayload =
components["schemas"]["GamePlayerMessageS2CExecResultPayload"];
type GamePlayerMessageS2CSubmitResultPayload =
components["schemas"]["GamePlayerMessageS2CSubmitResultPayload"];
export const handleWsExecResultMessageAtom = atom(
null,
(
get,
set,
data: GamePlayerMessageS2CExecResultPayload,
callback: (submissionResult: SubmitResult) => void,
) => {
const { testcase_id, status, stdout, stderr } = data;
const prev = get(submitResultAtom);
const newResult = {
...prev,
execResults: prev.execResults.map((r) =>
r.testcase_id === testcase_id && r.status === "running"
? {
...r,
status,
stdout,
stderr,
}
: r,
),
};
set(submitResultAtom, newResult);
callback(newResult);
},
);
export const handleWsSubmitResultMessageAtom = atom(
null,
(
get,
set,
data: GamePlayerMessageS2CSubmitResultPayload,
callback: (submissionResult: SubmitResult, score: number | null) => void,
) => {
const { status, score } = data;
const prev = get(submitResultAtom);
const newResult = {
...prev,
status,
};
if (status !== "success") {
newResult.execResults = prev.execResults.map((r) =>
r.status === "running" ? { ...r, status: "canceled" } : r,
);
}
set(submitResultAtom, newResult);
if (status === "success" && score !== null) {
const currentScore = get(scoreAtom);
if (currentScore === null || score < currentScore) {
set(scoreAtom, score);
}
}
callback(newResult, score);
},
);
|
