refactored to not store entities

src/main/java/eu/mhsl/minecraft/pixelblocks/utils/ListUtil.java

@@ -0,0 +1,19 @@
+package eu.mhsl.minecraft.pixelblocks.utils;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+public class ListUtil {
+    public static <T> List<List<T>> splitListInParts(int parts, List<T> list) {
+        int actualParts = Math.min(parts, list.size());
+        int chunkSize = (int) Math.ceil((double) list.size() / actualParts);
+        return IntStream.range(0, actualParts)
+            .mapToObj(i -> list.stream()
+                .skip((long) i * chunkSize)
+                .limit(chunkSize)
+                .collect(Collectors.toList()))
+            .toList();
+    }
+
+}