fixed failed installs on linux/mac, added launcher profile guard

- corrected default install path on linux/mac
- now checks for the existence of `launcher_profiles.json` on the install page, prompting user if not found
- creates resource pack directory if it does not exist (same behaviour as mods, saves)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "drehmal-installer",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Drehmal, Minecraft map installer",
   "productName": "Drehmal Installer",
   "author": "jgaribsin",

src-electron/ipcListeners.ts

@@ -8,6 +8,7 @@ import {
 } from 'electron';
 const { spawn } = require('child_process');
 const os = require('os');
+const path = require('path');
 
 let browserWindow: BrowserWindow;
 let app: typeof ElectronApp;
@@ -87,6 +88,22 @@ ipcMain.handle('minecraftNotWin', () => {
   spawn('minecraft-launcher');
 });
 
+/*
+Linux: /home/<USER>/.minecraft
+Mac: /Library/Application Support/minecraft
+Windows: C:\Users\<USER>\AppData\Roaming\.minecraft
+*/
+ipcMain.handle('getMinecraftPath', () => {
+  switch (process.platform) {
+    case 'win32':
+      return path.join(app.getPath('appData'), '.minecraft');
+    case 'darwin':
+      return path.join('/', 'Library', 'Application Support', 'minecraft');
+    case 'linux':
+      return path.join(os.homedir(), '.minecraft');
+  }
+});
+
 ipcMain.handle(
   'openFileDialog',
   async () =>

src/pages/InstallComplete.vue

@@ -73,11 +73,8 @@ if (installType.value === 'server') {
   ipcRenderer.invoke('getPlatform').then((result: NodeJS.Platform) => {
     platform.value = result;
 
-    if (platform.value === 'win32') {
-      executable.value = 'server.bat';
-      additionalText.value =
-        'You may need to make it executable first. To do that, run "chmod +x server.sh" in the terminal.';
-    } else {
+    if (platform.value === 'win32') executable.value = 'server.bat';
+    else {
       executable.value = 'server.sh';
       executableCmd.value = `chmod +x ${path.join(
         serverDir.value,

src/pages/InstallPage.vue

@@ -13,14 +13,57 @@
 </template>
 
 <script setup lang="ts">
-import SingleplayerInstall from 'src/components/SingleplayerInstall.vue';
 import MultiplayerInstall from 'src/components/MultiplayerInstall.vue';
 import ServerInstall from 'src/components/ServerInstall.vue';
+import SingleplayerInstall from 'src/components/SingleplayerInstall.vue';
 
 import { storeToRefs } from 'pinia';
+import { useQuasar } from 'quasar';
+import { useInstallerStore } from 'src/stores/InstallerStore';
 import { useStateStore } from 'src/stores/StateStore';
+import { onMounted } from 'vue';
+import { useRouter } from 'vue-router';
+const fs = require('fs');
+const path = require('path');
 
 const { installType } = storeToRefs(useStateStore());
 console.log(`Using install type: ${installType.value}`);
+
+const { minecraftDir } = storeToRefs(useInstallerStore());
+const router = useRouter();
+
+const q = useQuasar();
+const launcherProfilesPath = path.join(
+  minecraftDir.value,
+  'launcher_profiles.json'
+);
+
+async function validateLauncher() {
+  console.log(`Checking launcher profile file: ${launcherProfilesPath}`);
+  if (!fs.existsSync(launcherProfilesPath))
+    await new Promise<void>((resolve) => {
+      console.log('Launcher profile file not found...');
+      q.dialog({
+        title: 'Profile file not found',
+        html: true,
+        message:
+          'Minecraft Launcher profile file not found. ' +
+          "Please ensure you've run Minecraft at least once or select an appropriate installation folder!<br/><br/>" +
+          'Use the button below to go back and either launch then close Minecraft, or select a different installation folder.',
+        ok: 'Go Back',
+        persistent: true,
+        dark: true,
+      }).onOk(() => {
+        // resolve promise, then return to previous page
+        resolve();
+        router.back();
+      });
+    });
+  else console.log('Launcher profile file found!');
+}
+
+// Only validate launcher profile file if installing singleplayer or multiplayer
+if (installType.value === 'singleplayer' || installType.value === 'multiplayer')
+  onMounted(validateLauncher);
 </script>
 <style scoped lang="sass"></style>

src/pages/WelcomePage.vue

@@ -22,11 +22,15 @@ useInstallerStore();
 const { homeDir, appDir, minecraftDir, serverDir, shardsDir, memory } =
   storeToRefs(useInstallerStore());
 
+ipcRenderer.invoke('getMinecraftPath').then((minecraft) => {
+  console.log(`Got Minecraft path: ${minecraft}`);
+  minecraftDir.value = minecraft;
+});
+
 ipcRenderer.invoke('getAppDataPath').then((appData) => {
   console.log(`Got AppData path: ${appData}`);
   homeDir.value = appData;
   appDir.value = path.join(appData, 'Drehmal Installer');
-  minecraftDir.value = path.join(appData, '.minecraft');
   shardsDir.value = path.join(appDir.value, 'shards');
   memory.value = 4;
 });

src/providers/DownloadResourcePack.ts

@@ -6,6 +6,7 @@ import { Ref } from 'vue';
 import { downloadFile } from './DownloadFile';
 import { updateMinecraftOpts } from './UpdateMinecraftOpts';
 const path = require('path');
+const fs = require('fs');
 
 export async function downloadResourcePack(ref: Ref) {
   const { resourcePack } = storeToRefs(useSourcesStore());
@@ -15,6 +16,10 @@ export async function downloadResourcePack(ref: Ref) {
 
   // NOTE: if changing this, edit the value in src/providers/UpdateMinecraftOpts.ts
   const rpName = `Drehmal Resource Pack v${resourcePack.value.version}.zip`;
+  // ensure the resourcepacks folder exists first (should be caught by the profile file validation, but just in case)
+  const rpFolder = path.join(minecraftDir.value, 'resourcepacks');
+  if (!fs.existsSync(rpFolder)) fs.mkdirSync(rpFolder);
+
   const filePath = path.join(minecraftDir.value, 'resourcepacks', rpName);
   console.log(`Downloading resource pack to: ${filePath}`);
   downloadFile(resourcePack.value.source, filePath, ref).then(() => {