Close the launcher on game launch.

app/assets/js/configmanager.js

@@ -81,6 +81,7 @@ const DEFAULT_CONFIG = {
             resWidth: 1280,
             resHeight: 720,
             fullscreen: false,
+            CloseOnLaunch: false,
             autoConnect: true,
             launchDetached: true
         },
@@ -733,6 +734,25 @@ exports.setFullscreen = function(fullscreen){
     config.settings.game.fullscreen = fullscreen
 }
 
+/**
+ * Check if the launcher should be closed when the game launch.
+ * 
+ * @param {boolean} def Optional. If true, the default value will be returned.
+ * @returns {boolean} Whether or not the launcher should be closed when the game launched.
+ */
+exports.getCloseOnLaunch = function(def = false){
+    return !def ? config.settings.game.CloseOnLaunch : DEFAULT_CONFIG.settings.game.CloseOnLaunch
+}
+
+/**
+ * Change the status if the launcher should be closed when the game launch.
+ * 
+ * @param {boolean} CloseOnLaunch Whether or not the launcher should be closed when the game launched.
+ */
+exports.setCloseOnLaunch = function(CloseOnLaunch){
+    config.settings.game.CloseOnLaunch = CloseOnLaunch
+}
+
 /**
  * Check if the game should auto connect to servers.
  * 

app/assets/js/processbuilder.js

@@ -7,6 +7,8 @@ const { getMojangOS, isLibraryCompatible, mcVersionAtLeast }  = require('helios-
 const { Type }              = require('helios-distribution-types')
 const os                    = require('os')
 const path                  = require('path')
+const remote = require('@electron/remote');
+const win = remote.getCurrentWindow();
 
 const ConfigManager            = require('./configmanager')
 
@@ -82,6 +84,10 @@ class ProcessBuilder {
             child.unref()
         }
 
+        if(ConfigManager.getCloseOnLaunch()){
+            win.close();
+        }
+
         child.stdout.setEncoding('utf8')
         child.stderr.setEncoding('utf8')
 

app/assets/lang/en_US.toml

@@ -49,6 +49,7 @@ accountSelectConfirm = "Select"
 accountSelectCancel = "Cancel"
 
 [ejs.settings]
+closeLauncherOnLaunch = "Close the launcher when the game is launched."
 navHeaderText = "Settings"
 navAccount = "Account"
 navMinecraft = "Minecraft"

app/settings.ejs

@@ -93,6 +93,17 @@
                     </label>
                 </div>
             </div>
+            <div class="settingsFieldContainer">
+                <div class="settingsFieldLeft">
+                    <span class="settingsFieldTitle"><%- lang('settings.closeLauncherOnLaunch') %></span>
+                </div>
+                <div class="settingsFieldRight">
+                    <label class="toggleSwitch">
+                        <input type="checkbox" cValue="CloseOnLaunch">
+                        <span class="toggleSwitchSlider"></span>
+                    </label>
+                </div>
+            </div>
             <div class="settingsFieldContainer">
                 <div class="settingsFieldLeft">
                     <span class="settingsFieldTitle"><%- lang('settings.autoConnectTitle') %></span>