Desktop Notification System

src/api/java/baritone/api/Settings.java

@@ -1046,6 +1046,10 @@ public final class Settings {
      */
     public final Setting<Boolean> renderSelectionCorners = new Setting<>(true);
 
+    /**
+     * Desktop Notifications
+     */
+    public final Setting<Boolean> desktopNotifications = new Setting<>(false);
 
     /**
      * A map of lowercase setting field names to their respective setting

src/main/java/baritone/pathing/calc/AbstractNodeCostSearch.java

@@ -26,6 +26,7 @@ import baritone.api.utils.Helper;
 import baritone.api.utils.PathCalculationResult;
 import baritone.pathing.movement.CalculationContext;
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import baritone.utils.NotificationHelper;
 
 import java.util.Optional;
 
@@ -216,6 +217,8 @@ public abstract class AbstractNodeCostSearch implements IPathFinder, Helper {
         if (logInfo) {
             logDebug("Even with a cost coefficient of " + COEFFICIENTS[COEFFICIENTS.length - 1] + ", I couldn't get more than " + Math.sqrt(bestDist) + " blocks");
             logDebug("No path found =(");
+            if (Baritone.settings().desktopNotifications.value)
+                NotificationHelper.notify("No path found =(", true);
         }
         return Optional.empty();
     }

src/main/java/baritone/utils/NotificationHelper.java

@@ -0,0 +1,72 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.utils;
+
+import java.awt.*;
+import java.io.IOException;
+
+public class NotificationHelper {
+    public static void notify(String text, boolean error) {
+        if (System.getProperty("os.name").contains("Linux"))
+            linux(text);
+        else
+            notification(text, error);
+    }
+
+    public static void notification(String text, boolean error) {
+        if (SystemTray.isSupported()) {
+            try {
+                SystemTray tray = SystemTray.getSystemTray();
+                Image image = Toolkit.getDefaultToolkit().createImage("");
+                // Replace with some logo
+
+                TrayIcon trayIcon = new TrayIcon(image, "Baritone");
+                trayIcon.setImageAutoSize(true);
+                trayIcon.setToolTip("Baritone");
+                tray.add(trayIcon);
+
+                if(error)
+                    trayIcon.displayMessage("Baritone", text, TrayIcon.MessageType.ERROR);
+                else
+                    trayIcon.displayMessage("Baritone", text, TrayIcon.MessageType.INFO);
+            }
+            catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        else {
+            System.out.println("SystemTray is not supported");
+        }
+    }
+
+    /*
+     * The only way to display notifications on linux is to use the java-gnome library, or send notify-send to shell with a ProcessBuilder
+     * Unfortunately the java-gnome library is licenced under the GPL, see: (https://en.wikipedia.org/wiki/Java-gnome)
+     */
+
+    public static void linux(String text) {
+        ProcessBuilder processBuilder = new ProcessBuilder();
+        processBuilder.command("notify-send", "-a", "Baritone", text);
+        try {
+            processBuilder.start();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+}