From 6e196c2ce4285c0aea2a5c714e842d90c1b84b43 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Tue, 1 Feb 2011 03:06:02 +0200
Subject: partly working chunk-based map generator (doesn't save properly,
 spawn is pretty random)

---
 src/voxel.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/voxel.h')

diff --git a/src/voxel.h b/src/voxel.h
index ff5d534cb..89333159c 100644
--- a/src/voxel.h
+++ b/src/voxel.h
@@ -262,7 +262,31 @@ public:
 	{
 		return index(p.X, p.Y, p.Z);
 	}
+	
+	// Translate index in the X coordinate
+	void add_x(const v3s16 &extent, u32 &i, s16 a)
+	{
+		i += a;
+	}
+	// Translate index in the Y coordinate
+	void add_y(const v3s16 &extent, u32 &i, s16 a)
+	{
+		i += a * extent.X;
+	}
+	// Translate index in the Z coordinate
+	void add_z(const v3s16 &extent, u32 &i, s16 a)
+	{
+		i += a * extent.X*extent.Y;
+	}
+	// Translate index in space
+	void add_p(const v3s16 &extent, u32 &i, v3s16 a)
+	{
+		i += a.Z*extent.X*extent.Y + a.Y*extent.X + a.X;
+	}
 
+	/*
+		Print method for debugging
+	*/
 	void print(std::ostream &o) const
 	{
 		v3s16 e = getExtent();
@@ -394,6 +418,10 @@ public:
 	*/
 	void copyFrom(MapNode *src, VoxelArea src_area,
 			v3s16 from_pos, v3s16 to_pos, v3s16 size);
+	
+	// Copy data
+	void copyTo(MapNode *dst, VoxelArea dst_area,
+			v3s16 dst_pos, v3s16 from_pos, v3s16 size);
 
 	/*
 		Algorithms
-- 
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