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import { listen, type UnlistenFn } from "@tauri-apps/api/event";
import { toast } from "sonner";
import { create } from "zustand";
import {
startGame as startGameCommand,
stopGame as stopGameCommand,
} from "@/client";
import type { GameExitedEvent } from "@/types/bindings/core";
interface GameState {
runningInstanceId: string | null;
runningVersionId: string | null;
launchingInstanceId: string | null;
stoppingInstanceId: string | null;
lifecycleUnlisten: UnlistenFn | null;
isGameRunning: boolean;
startGame: (instanceId: string, versionId: string) => Promise<string | null>;
stopGame: (instanceId?: string | null) => Promise<string | null>;
}
export const useGameStore = create<GameState>((set, get) => ({
runningInstanceId: null,
runningVersionId: null,
launchingInstanceId: null,
stoppingInstanceId: null,
lifecycleUnlisten: null,
get isGameRunning() {
return get().runningInstanceId !== null;
},
startGame: async (instanceId, versionId) => {
const { isGameRunning, lifecycleUnlisten } = get();
if (isGameRunning) {
toast.info("A game is already running");
return null;
} else {
lifecycleUnlisten?.();
}
set({
launchingInstanceId: instanceId,
});
toast.info(`Preparing to launch ${versionId}...`);
const unlisten = await listen<GameExitedEvent>("game-exited", (event) => {
const { instanceId, versionId, wasStopped, exitCode } = event.payload;
set({
runningInstanceId: null,
runningVersionId: null,
launchingInstanceId: null,
stoppingInstanceId: null,
});
if (wasStopped) {
toast.success(
`Stopped Minecraft ${versionId} for instance ${instanceId}`,
);
} else {
toast.info(
`Minecraft ${versionId} exited with code ${exitCode} for instance ${instanceId}`,
);
}
});
set({ lifecycleUnlisten: unlisten });
try {
const message = await startGameCommand(instanceId, versionId);
set({
launchingInstanceId: null,
runningInstanceId: instanceId,
runningVersionId: versionId,
});
toast.success(message);
return message;
} catch (e) {
console.error(e);
set({ launchingInstanceId: null });
toast.error(`Error: ${e}`);
return null;
}
},
stopGame: async (instanceId) => {
const { runningInstanceId } = get();
if (!runningInstanceId) {
toast.info("No running game found");
return null;
}
if (instanceId !== runningInstanceId) {
toast.info("That instance is not the one currently running");
return null;
}
set({ stoppingInstanceId: runningInstanceId });
try {
return await stopGameCommand();
} catch (e) {
console.error("Failed to stop game:", e);
toast.error(`Failed to stop game: ${e}`);
return null;
} finally {
set({ stoppingInstanceId: null });
}
},
}));
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