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feat(launch): add remote module to manage game status
- Add remote game manager. - Add event handlers for game managing. - Standardize namings.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /** | ||
| * Syncs events from main process and maintain renderer-side game instances. | ||
| */ | ||
|
|
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| /** | ||
| * Contains a slice of game information at the renderer side. | ||
| */ | ||
| interface RemoteGameProcess { | ||
| id: string; | ||
| pid: number; | ||
|
|
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| status: RemoteGameStatus; | ||
|
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| logs: { | ||
| stdout: string[]; | ||
| stderr: string[]; | ||
| }; | ||
| } | ||
|
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| type RemoteGameStatus = "running" | "exited" | "crashed"; | ||
|
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| /** | ||
| * Update the given process object based on events from the event target. | ||
| */ | ||
| function syncEvents(emitter: EventTarget, proc: RemoteGameProcess): RemoteGameProcess { | ||
| emitter.addEventListener("exit", () => proc.status = "exited"); | ||
| emitter.addEventListener("crash", () => proc.status = "crashed"); | ||
|
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| function clearLogs(buf: string[]) { | ||
| const limit = 10000; | ||
| const deleteCount = 100; | ||
| if (buf.length > limit) { | ||
| buf.splice(0, deleteCount); | ||
| } | ||
| } | ||
|
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| function collect(name: string, buf: string[]) { | ||
| emitter.addEventListener(name, (e: Event) => { | ||
| if (e instanceof CustomEvent) { | ||
| const [s] = e.detail; | ||
| buf.push(s); | ||
| clearLogs(buf); | ||
| } | ||
| }); | ||
| } | ||
|
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| collect("stdout", proc.logs.stdout); | ||
| collect("stderr", proc.logs.stderr); | ||
|
|
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| return proc; | ||
| } | ||
|
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| const procs = new Map<string, RemoteGameProcess>(); | ||
| const emitters = new Map<string, EventTarget>(); | ||
|
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| async function create(gameId: string): Promise<void> { | ||
| const res = await native.launcher.launch(gameId); | ||
| const proc: RemoteGameProcess = { | ||
| id: res.id, | ||
| pid: res.pid, | ||
| status: "running", | ||
| logs: { | ||
| stdout: [], | ||
| stderr: [] | ||
| } | ||
| }; | ||
|
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| const et = await native.launcher.subscribe(res.id); | ||
| syncEvents(et, proc); | ||
|
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| const em = new EventTarget(); | ||
|
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| ["exit", "crash", "stdout", "stderr"].forEach(ch => { | ||
| et.addEventListener(ch, () => em.dispatchEvent(new CustomEvent("change"))); | ||
| }); | ||
|
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| procs.set(res.id, proc); | ||
| emitters.set(res.id, em); | ||
| } | ||
|
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| /** | ||
| * Gets a getter to the game process object and an event target for retrieving the realtime game status. | ||
| */ | ||
| function subscribe(procId: string): [() => RemoteGameProcess, EventTarget] | null { | ||
| const proc = procs.get(procId); | ||
| const et = emitters.get(procId); | ||
|
|
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| if (proc && et) { | ||
| return [() => structuredClone(proc), et]; | ||
| } | ||
|
|
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| return null; | ||
| } | ||
|
|
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| export const remoteGame = { | ||
| create, subscribe | ||
| }; |
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