From 660cb22e9137e6935fe78ecb28e74ecd49359c6d Mon Sep 17 00:00:00 2001
From: piebot <164795032+piebotc@users.noreply.github.com>
Date: Fri, 20 Mar 2026 02:45:26 +0300
Subject: [PATCH] Fix sand crashing the game whilst creating a new world

---
 Minecraft.World/SandTile.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Minecraft.World/SandTile.cpp b/Minecraft.World/SandTile.cpp
index 2d1a9a5c..eb273636 100644
--- a/Minecraft.World/SandTile.cpp
+++ b/Minecraft.World/SandTile.cpp
@@ -48,6 +48,12 @@ void SandTile::checkSlide(Level* level, int x, int y, int z)
 	int x2 = x;
 	int y2 = y;
 	int z2 = z;
+
+	if (level->isNew || !level->hasChunksAt(x - 1, y - 1, z - 1, x + 1, y + 1, z + 1))
+	{
+		return;
+	}
+
 	if (y2 > 0 && isFree(level, x2, y2 - 1, z2))
 	{
 		int r = 32;