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/ChunkPos.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Minecraft.World/ChunkPos.h

(limited to 'Minecraft.World/ChunkPos.h')

diff --git a/Minecraft.World/ChunkPos.h b/Minecraft.World/ChunkPos.h
new file mode 100644
index 00000000..f1d483c7
--- /dev/null
+++ b/Minecraft.World/ChunkPos.h
@@ -0,0 +1,40 @@
+#pragma once
+
+class Entity;
+class TilePos;
+
+class ChunkPos
+{
+public:
+	int x, z;	// 4J - these were const but needed to make an assignment operator so we could make a vector of ChunkPos
+
+	ChunkPos(int x, int z);
+
+	static __int64 hashCode(int x, int z);
+	int hashCode();
+
+	double distanceToSqr(shared_ptr<Entity> e);
+	double distanceToSqr(double px, double pz);	// 4J added
+
+	int getMiddleBlockX();
+	int getMiddleBlockZ();
+
+	TilePos getMiddleBlockPosition(int y);
+	wstring toString();
+
+	static __int64 hash_fnct(const ChunkPos &k);
+	static bool eq_test(const ChunkPos &x, const ChunkPos &y);
+	bool operator == (const ChunkPos &k) const { return (this->x == k.x) && ( this->z == k.z); }
+	ChunkPos & operator= (const ChunkPos & other) { x = other.x; z = other.z; return *this; }
+};
+
+typedef struct
+{
+	__int64 operator() (const ChunkPos &k) const { return ChunkPos::hash_fnct(k); }
+
+} ChunkPosKeyHash;
+
+typedef struct
+{
+	bool operator() (const ChunkPos &x, const ChunkPos &y) const { return ChunkPos::eq_test(x, y); }
+} ChunkPosKeyEq;
\ No newline at end of file
-- 
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