From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/MineShaftFeature.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Minecraft.World/MineShaftFeature.cpp

(limited to 'Minecraft.World/MineShaftFeature.cpp')

diff --git a/Minecraft.World/MineShaftFeature.cpp b/Minecraft.World/MineShaftFeature.cpp
new file mode 100644
index 00000000..ac4d0c3f
--- /dev/null
+++ b/Minecraft.World/MineShaftFeature.cpp
@@ -0,0 +1,23 @@
+#include "stdafx.h"
+#include "net.minecraft.world.level.levelgen.structure.h"
+#include "JavaMath.h"
+
+bool MineShaftFeature::isFeatureChunk(int x, int z, bool bIsSuperflat)
+{
+	bool forcePlacement = false;
+	LevelGenerationOptions *levelGenOptions = app.getLevelGenerationOptions();
+	if( levelGenOptions != NULL )
+	{
+		forcePlacement = levelGenOptions->isFeatureChunk(x,z,eFeature_Mineshaft);
+	}
+
+	return forcePlacement || (random->nextInt(100) == 0 && random->nextInt(80) < max(abs(x), abs(z)));
+}
+
+StructureStart *MineShaftFeature::createStructureStart(int x, int z)
+{
+	// 4J added
+	app.AddTerrainFeaturePosition(eTerrainFeature_Mineshaft,x,z);
+
+	return new MineShaftStart(level, random, x, z);
+}
\ No newline at end of file
-- 
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