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.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'src/voxel.cpp')

diff --git a/src/voxel.cpp b/src/voxel.cpp
index 02635d3af..f60b641f1 100644
--- a/src/voxel.cpp
+++ b/src/voxel.cpp
@@ -41,7 +41,6 @@ VoxelManipulator::VoxelManipulator():
 	m_data(NULL),
 	m_flags(NULL)
 {
-	m_disable_water_climb = false;
 }
 
 VoxelManipulator::~VoxelManipulator()
@@ -221,6 +220,22 @@ void VoxelManipulator::copyFrom(MapNode *src, VoxelArea src_area,
 	}
 }
 
+void VoxelManipulator::copyTo(MapNode *dst, VoxelArea dst_area,
+		v3s16 dst_pos, v3s16 from_pos, v3s16 size)
+{
+	for(s16 z=0; z<size.Z; z++)
+	for(s16 y=0; y<size.Y; y++)
+	{
+		s32 i_dst = dst_area.index(dst_pos.X, dst_pos.Y+y, dst_pos.Z+z);
+		s32 i_local = m_area.index(from_pos.X, from_pos.Y+y, from_pos.Z+z);
+		memcpy(&dst[i_dst], &m_data[i_local], size.X*sizeof(MapNode));
+	}
+}
+
+/*
+	Algorithms
+	-----------------------------------------------------
+*/
 
 void VoxelManipulator::clearFlag(u8 flags)
 {
@@ -541,7 +556,7 @@ void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p)
 	Lights neighbors of from_nodes, collects all them and then
 	goes on recursively.
 
-	NOTE: This is faster in small areas but will overflow the
+	NOTE: This is faster on small areas but will overflow the
 	      stack on large areas. Thus it is not used.
 */
 void VoxelManipulator::spreadLight(enum LightBank bank,
-- 
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