may be a fix for sorter crash on android

src/omaloon/OmaloonMod.java

@@ -22,7 +22,7 @@
 
 public class OmaloonMod extends Mod{
     public static EditorListener editorListener;
-    public static Roomba roomba;
+    public static SafeClearer safeClearer;
 
     public static ShapedEnvPlacerFragment shapedEnvPlacerFragment;
     public static CliffFragment cliffFragment;
@@ -67,7 +67,7 @@ public OmaloonMod(){
             EventHints.addHints();
             CustomShapePropProcess.instance = new CustomShapePropProcess();
             Vars.asyncCore.processes.add(CustomShapePropProcess.instance);
-            roomba = new Roomba();
+            safeClearer = new SafeClearer();
         });
 
         Events.on(EventType.FileTreeInitEvent.class, e ->

src/omaloon/core/Roomba.java → src/omaloon/core/SafeClearer.java

@@ -9,10 +9,10 @@
 import mindustry.world.meta.*;
 import omaloon.content.*;
 
-public class Roomba implements ApplicationListener {
+public class SafeClearer implements ApplicationListener {
 	public static final Seq<Building> invalidBuilds = new Seq<>();
 
-	public Roomba() {
+	public SafeClearer() {
 		if (Vars.platform instanceof ApplicationCore core) core.add(this);
 	}
 

src/omaloon/utils/OlUtils.java

@@ -58,23 +58,19 @@ public static int reverse(int rotation) {
 
     public static int getByIndex(IntSet intSet, int index) {
         if (index < 0 || index >= intSet.size) {
-            throw new IndexOutOfBoundsException();
+            throw new IndexOutOfBoundsException("Index " + index + " is out of bounds for IntSet of size " + intSet.size);
         }
 
-        final int[] value = {0};
-        final int[] counter = {0};
-        intSet.each((item) -> {
-            if (counter[0] == index) {
-                value[0] = item;
+        int counter = 0;
+        for (IntSet.IntSetIterator iterator = intSet.iterator(); iterator.hasNext; ) {
+            int item = iterator.next();
+            if (counter == index) {
+                return item;
             }
-            counter[0]++;
-        });
-
-        if (counter[0] > index) {
-            return value[0];
-        } else {
-            throw new IllegalArgumentException();
+            counter++;
         }
+
+        throw new IllegalArgumentException("Index out of range for IntSet.");
     }
 
     /**bittiler stuff