1 files changed, 75 insertions, 0 deletions
diff --git a/Minecraft.World/ChunkPos.cpp b/Minecraft.World/ChunkPos.cpp
new file mode 100644
index 00000000..3f9674a7
--- /dev/null
+++ b/Minecraft.World/ChunkPos.cpp
@@ -0,0 +1,75 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.h"
+#include "ChunkPos.h"
+
+ChunkPos::ChunkPos(int x, int z) : x( x ), z( z )
+{
+}
+
+__int64 ChunkPos::hashCode(int x, int z)
+{
+	__int64 xx = x;
+	__int64 zz = z;
+	return (xx & 0xffffffffl) | ((zz & 0xffffffffl) << 32l);
+}
+
+int ChunkPos::hashCode()
+{
+	__int64 hash = hashCode(x, z);
+	int h1 = (int) (hash);
+	int h2 = (int) (hash >> 32l);
+	return h1 ^ h2;
+}
+
+double ChunkPos::distanceToSqr(shared_ptr<Entity> e)
+{
+	double xPos = x * 16 + 8;
+	double zPos = z * 16 + 8;
+
+	double xd = xPos - e->x;
+	double zd = zPos - e->z;
+
+	return xd * xd + zd * zd;
+}
+
+double ChunkPos::distanceToSqr(double px, double pz)
+{
+	double xPos = x * 16 + 8;
+	double zPos = z * 16 + 8;
+
+	double xd = xPos - px;
+	double zd = zPos - pz;
+
+	return xd * xd + zd * zd;
+}
+
+int ChunkPos::getMiddleBlockX()
+{
+	return ( x << 4 ) + 8;
+}
+
+int ChunkPos::getMiddleBlockZ()
+{
+	return ( z << 4 ) + 8;
+}
+
+TilePos ChunkPos::getMiddleBlockPosition(int y) 
+{
+	return TilePos(getMiddleBlockX(), y, getMiddleBlockZ());
+}
+
+wstring ChunkPos::toString()
+{
+    return L"[" + _toString<int>(x) + L", " + _toString<int>(z) + L"]";
+}
+
+__int64 ChunkPos::hash_fnct(const ChunkPos &k)
+{
+	return k.hashCode(k.x,k.z);
+}
+
+bool ChunkPos::eq_test(const ChunkPos &x, const ChunkPos &y)
+{
+	return x.x == y.x && x.z == y.z;
+}
+