From 3ded16f6e5f9b8e3314c939095cfe00efd95c197 Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Tue, 22 Jun 2021 00:11:47 +0200
Subject: [PATCH] Fix negative sections

---
 src/main/java/net/minestom/server/instance/Chunk.java         | 4 ----
 .../java/net/minestom/server/instance/palette/Palette.java    | 2 +-
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/main/java/net/minestom/server/instance/Chunk.java b/src/main/java/net/minestom/server/instance/Chunk.java
index 6fefe34a3..65d9fbaab 100644
--- a/src/main/java/net/minestom/server/instance/Chunk.java
+++ b/src/main/java/net/minestom/server/instance/Chunk.java
@@ -1,6 +1,5 @@
 package net.minestom.server.instance;
 
-import net.minestom.server.MinecraftServer;
 import net.minestom.server.Tickable;
 import net.minestom.server.Viewable;
 import net.minestom.server.data.Data;
@@ -25,7 +24,6 @@ import net.minestom.server.utils.chunk.ChunkSupplier;
 import net.minestom.server.utils.chunk.ChunkUtils;
 import net.minestom.server.utils.player.PlayerUtils;
 import net.minestom.server.world.biomes.Biome;
-import net.minestom.server.world.biomes.BiomeManager;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -50,8 +48,6 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public abstract class Chunk implements BlockGetter, BlockSetter, Viewable, Tickable, DataContainer {
 
-    protected static final BiomeManager BIOME_MANAGER = MinecraftServer.getBiomeManager();
-
     public static final int CHUNK_SIZE_X = 16;
     public static final int CHUNK_SIZE_Z = 16;
     public static final int CHUNK_SECTION_SIZE = 16;
diff --git a/src/main/java/net/minestom/server/instance/palette/Palette.java b/src/main/java/net/minestom/server/instance/palette/Palette.java
index 140aea661..4943fea63 100644
--- a/src/main/java/net/minestom/server/instance/palette/Palette.java
+++ b/src/main/java/net/minestom/server/instance/palette/Palette.java
@@ -277,7 +277,7 @@ public class Palette implements PublicCloneable<Palette> {
      * @return the section index of the position
      */
     public static int getSectionIndex(int x, int y, int z) {
-        y %= CHUNK_SECTION_SIZE;
+        y = Math.floorMod(y, CHUNK_SECTION_SIZE);
         return y << 8 | z << 4 | x;
     }