steam downloader

packages/scripts/package.json

@@ -4,7 +4,8 @@
   "scripts": {
     "discover-ids": "bun src/discoverIds/index.ts",
     "build-protos": "bun src/protos.ts",
-    "record-performance": "bun src/recordPerformance/index.ts"
+    "record-performance": "bun src/recordPerformance/index.ts",
+    "download-client": "bun src/downloadClient/index.ts"
   },
   "dependencies": {
     "@blitzkit/closed": "workspace:*",

packages/scripts/src/downloadClient/constants.ts

@@ -0,0 +1,4 @@
+// dava engine has a lot of tiny files, this is faster
+export const DEPOT_DOWNLOADER_MAX_DOWNLOADS = 256;
+export const DEPOT_DOWNLOADER_OUTPUT = "../../temp/depotdownloader";
+export const DEPOT_DOWNLOADER_EXECUTABLE = `${DEPOT_DOWNLOADER_OUTPUT}/DepotDownloader`;

packages/scripts/src/downloadClient/index.ts

@@ -0,0 +1,50 @@
+import { assertSecret } from "@blitzkit/core";
+import { $ } from "bun";
+import { rm } from "node:fs/promises";
+import {
+  DEPOT_DOWNLOADER_EXECUTABLE,
+  DEPOT_DOWNLOADER_MAX_DOWNLOADS,
+  DEPOT_DOWNLOADER_OUTPUT,
+} from "./constants";
+import { QuickGitHubRelease } from "./types";
+
+const provider = assertSecret(import.meta.env.CLIENT_PROVIDER);
+const source = assertSecret(import.meta.env.CLIENT_SOURCE);
+const dir = assertSecret(import.meta.env.CLIENT_DIR);
+
+if (provider === "steam") {
+  const [id, platform] = source.split("/");
+
+  console.log("Downloading Depot Downloader...");
+
+  const releases = await fetch(
+    "https://api.github.com/repos/SteamRE/DepotDownloader/releases/latest",
+  ).then((response) => response.json() as Promise<QuickGitHubRelease>);
+  const asset = releases.assets.find((asset) =>
+    asset.name.includes("linux-x64"),
+  );
+
+  if (!asset) {
+    throw new Error("No linux-x64 asset found for Steam DepotDownloader");
+  }
+
+  await rm(dir, { recursive: true, force: true });
+  await rm(DEPOT_DOWNLOADER_OUTPUT, { recursive: true, force: true });
+
+  await $`curl -L "${asset.browser_download_url}" -o "${DEPOT_DOWNLOADER_OUTPUT}.zip"`;
+  await $`unzip "${DEPOT_DOWNLOADER_OUTPUT}.zip" -d "${DEPOT_DOWNLOADER_OUTPUT}"`;
+  await $`chmod +x "${DEPOT_DOWNLOADER_EXECUTABLE}"`;
+
+  console.log("Downloading client...");
+
+  const username = assertSecret(import.meta.env.STEAM_USERNAME);
+  const password = assertSecret(import.meta.env.STEAM_PASSWORD);
+
+  await $`${DEPOT_DOWNLOADER_EXECUTABLE} -os ${
+    platform
+  } -app ${id} -username ${username} -password ${
+    password
+  } -dir ${dir} -max-downloads ${DEPOT_DOWNLOADER_MAX_DOWNLOADS}`;
+} else {
+  throw new Error(`Unknown provider: ${provider}`);
+}

packages/scripts/src/downloadClient/types.ts

@@ -0,0 +1,8 @@
+export interface QuickGitHubRelease {
+  assets: Asset[];
+}
+
+interface Asset {
+  name: string;
+  browser_download_url: string;
+}

packages/website/src/core/blitzkit/vfs.ts

@@ -1,4 +1,4 @@
 import { assertSecret } from "@blitzkit/core";
 import { LocalVFS } from "@blitzkit/core/src/blitzkit/vfs/local";
 
-export const vfs = new LocalVFS(assertSecret(import.meta.env.GAME_DIR));
+export const vfs = new LocalVFS(assertSecret(import.meta.env.CLIENT_DIR));