From 1e302837331f0748d9fd8b6790faaf4818f360ce Mon Sep 17 00:00:00 2001
From: themode <themode@outlook.fr>
Date: Fri, 13 Nov 2020 03:29:09 +0100
Subject: [PATCH] Fixed palette breaking with a Y below 0

---
 .../minestom/server/instance/palette/PaletteStorage.java  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/net/minestom/server/instance/palette/PaletteStorage.java b/src/main/java/net/minestom/server/instance/palette/PaletteStorage.java
index 0850f2444..458636899 100644
--- a/src/main/java/net/minestom/server/instance/palette/PaletteStorage.java
+++ b/src/main/java/net/minestom/server/instance/palette/PaletteStorage.java
@@ -210,6 +210,10 @@ public class PaletteStorage {
                     8191, 16383, 32767};
 
     private static void setBlockAt(@NotNull PaletteStorage paletteStorage, int x, int y, int z, short blockId) {
+        if (y < 0) {
+            return;
+        }
+
         x = toChunkCoordinate(x);
         z = toChunkCoordinate(z);
 
@@ -251,6 +255,10 @@ public class PaletteStorage {
     }
 
     private static short getBlockAt(@NotNull PaletteStorage paletteStorage, int x, int y, int z) {
+        if (y < 0) {
+            return 0;
+        }
+
         x = toChunkCoordinate(x);
         z = toChunkCoordinate(z);