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import { listen, type UnlistenFn } from "@tauri-apps/api/event";
import { toast } from "sonner";
import { create } from "zustand";
import {
getVersions,
getVersionsOfInstance,
startGame as startGameCommand,
stopGame as stopGameCommand,
} from "@/client";
import type { Account } from "@/types/bindings/auth";
import type { GameExitedEvent } from "@/types/bindings/core";
import type { Version } from "@/types/bindings/manifest";
interface GameState {
versions: Version[];
selectedVersion: string;
runningInstanceId: string | null;
runningVersionId: string | null;
launchingInstanceId: string | null;
stoppingInstanceId: string | null;
lifecycleUnlisten: UnlistenFn | null;
latestRelease: Version | undefined;
isGameRunning: boolean;
initLifecycle: () => Promise<void>;
loadVersions: (instanceId?: string) => Promise<void>;
startGame: (
currentAccount: Account | null,
openLoginModal: () => void,
activeInstanceId: string | null,
versionId: string | null,
setView: (view: string) => void,
) => Promise<string | null>;
stopGame: (instanceId?: string | null) => Promise<string | null>;
setSelectedVersion: (version: string) => void;
setVersions: (versions: Version[]) => void;
}
export const useGameStore = create<GameState>((set, get) => ({
versions: [],
selectedVersion: "",
runningInstanceId: null,
runningVersionId: null,
launchingInstanceId: null,
stoppingInstanceId: null,
lifecycleUnlisten: null,
get latestRelease() {
return get().versions.find((v) => v.type === "release");
},
get isGameRunning() {
return get().runningInstanceId !== null;
},
initLifecycle: async () => {
if (get().lifecycleUnlisten) {
return;
}
const unlisten = await listen<GameExitedEvent>("game-exited", (event) => {
const { instanceId, versionId, wasStopped } = 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 for instance ${instanceId}`);
}
});
set({ lifecycleUnlisten: unlisten });
},
loadVersions: async (instanceId?: string) => {
try {
const versions = instanceId
? await getVersionsOfInstance(instanceId)
: await getVersions();
set({ versions: versions ?? [] });
} catch (e) {
console.error("Failed to load versions:", e);
set({ versions: [] });
}
},
startGame: async (
currentAccount,
openLoginModal,
activeInstanceId,
versionId,
setView,
) => {
const { isGameRunning } = get();
const targetVersion = versionId ?? get().selectedVersion;
if (!currentAccount) {
toast.info("Please login first");
openLoginModal();
return null;
}
if (!targetVersion) {
toast.info("Please select a version first");
return null;
}
if (!activeInstanceId) {
toast.info("Please select an instance first");
setView("instances");
return null;
}
if (isGameRunning) {
toast.info("A game is already running");
return null;
}
set({
launchingInstanceId: activeInstanceId,
selectedVersion: targetVersion,
});
toast.info(`Preparing to launch ${targetVersion}...`);
try {
const message = await startGameCommand(activeInstanceId, targetVersion);
set({
launchingInstanceId: null,
runningInstanceId: activeInstanceId,
runningVersionId: targetVersion,
});
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 && 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 });
}
},
setSelectedVersion: (version: string) => {
set({ selectedVersion: version });
},
setVersions: (versions: Version[]) => {
set({ versions });
},
}));
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