Make farm scan limit configurable

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

@@ -973,6 +973,11 @@ public final class Settings {
      */
     public final Setting<Boolean> replantNetherWart = new Setting<>(false);
 
+    /**
+     * Farming will scan for at most this many blocks.
+     */
+    public final Setting<Integer> farmMaxScanSize = new Setting<>(256);
+
     /**
      * When the cache scan gives less blocks than the maximum threshold (but still above zero), scan the main world too.
      * <p>

src/main/java/baritone/process/FarmProcess.java

@@ -204,7 +204,7 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
                 }
             }
 
-            Baritone.getExecutor().execute(() -> locations = BaritoneAPI.getProvider().getWorldScanner().scanChunkRadius(ctx, scan, 256, 10, 10));
+            Baritone.getExecutor().execute(() -> locations = BaritoneAPI.getProvider().getWorldScanner().scanChunkRadius(ctx, scan, Baritone.settings().farmMaxScanSize.value, 10, 10));
         }
         if (locations == null) {
             return new PathingCommand(null, PathingCommandType.REQUEST_PAUSE);