From e40c3bd0d515dc2ea6843fd8fd49bcbb05c5fb58 Mon Sep 17 00:00:00 2001
From: "Blue (Lukas Rieger)" <blue@bluecolored.de>
Date: Mon, 3 Aug 2020 00:10:00 +0200
Subject: [PATCH] Change hash code generation to improve performance

---
 .../main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java    | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
index e2251f21..bbf95e66 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
@@ -38,7 +38,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
 import java.util.UUID;
 import java.util.concurrent.ExecutionException;
 import java.util.function.Predicate;
@@ -506,7 +505,7 @@ public WorldChunkHash(MCAWorld world, Vector2i chunk) {
 		
 		@Override
 		public int hashCode() {
-			return Objects.hash(world, chunk);
+			return (world.hashCode() * 31 + chunk.getX()) * 31 + chunk.getY();
 		}
 		
 		@Override