Added executor to utilities.

src/main/java/ca/recrown/islandsurvivalcraft/Utilities.java

@@ -3,11 +3,15 @@ package ca.recrown.islandsurvivalcraft;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map.Entry;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
 
 import ca.recrown.islandsurvivalcraft.datatypes.Point2;
 
 public class Utilities {
     public final static int CHUNK_SIZE = 16;
+    public final static ExecutorService ISC_EXECUTOR = Executors.newFixedThreadPool(2, createThreadFactory());
 
     public static <K, V> HashMap<V, ArrayList<K>> invertHashMap(HashMap<K, V> hashMap) {
         HashMap<V, ArrayList<K>> res = new HashMap<>();
@@ -71,4 +75,14 @@ public class Utilities {
     public static Point2 worldToLocalChunkCoordinates(Point2 worldCoordinates) {
         return worldToLocalChunkCoordinates(worldCoordinates.x, worldCoordinates.y);
     }
+
+    public static ThreadFactory createThreadFactory() {
+        return new ThreadFactory(){
+            @Override
+            public Thread newThread(Runnable r) {
+                Thread thread = new Thread(r, "ISC-worker");
+                return thread;
+            }
+        };
+    }
 }