From 5fa45182e87bc3c1b7d28ab74d914c93f9b6fbef Mon Sep 17 00:00:00 2001
From: 12xx12 <44411062+12xx12@users.noreply.github.com>
Date: Fri, 5 Mar 2021 13:28:36 +0100
Subject: fixed the crash on generating in the SinglePiceStructuresGen (#5136)

---
 src/Generating/SinglePieceStructuresGen.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Generating/SinglePieceStructuresGen.cpp b/src/Generating/SinglePieceStructuresGen.cpp
index bd079d762..84b246715 100644
--- a/src/Generating/SinglePieceStructuresGen.cpp
+++ b/src/Generating/SinglePieceStructuresGen.cpp
@@ -64,7 +64,8 @@ public:
 		m_BiomeGen->GenBiomes({ChunkX, ChunkZ}, Biomes);
 
 		// Checks if the biome at the origin position is allowed
-		if (!m_PiecePool.IsBiomeAllowed(Biomes[ChunkX + cChunkDef::Width * ChunkZ]))
+		auto Relative = cChunkDef::AbsoluteToRelative(Vector3i(a_OriginX, 1, a_OriginZ), {ChunkX, ChunkZ});
+		if (!m_PiecePool.IsBiomeAllowed(Biomes[Relative.x + cChunkDef::Width * Relative.z]))
 		{
 			return cStructurePtr();
 		}
-- 
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