From 2f59a0c840e9101c87e2d59fabf34116b3328121 Mon Sep 17 00:00:00 2001
From: Lars Hofhansl <larsh@apache.org>
Date: Sat, 10 Dec 2016 10:31:17 -0800
Subject: Process ABMs in a spherical volume instead of cubic

Increase active_block_range default to a 3 mapblock radius.
---
 src/environment.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/environment.cpp')

diff --git a/src/environment.cpp b/src/environment.cpp
index 13c64b37c..3d4a2efc1 100644
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -397,8 +397,11 @@ void fillRadiusBlock(v3s16 p0, s16 r, std::set<v3s16> &list)
 	for(p.Y=p0.Y-r; p.Y<=p0.Y+r; p.Y++)
 	for(p.Z=p0.Z-r; p.Z<=p0.Z+r; p.Z++)
 	{
-		// Set in list
-		list.insert(p);
+		// limit to a sphere
+		if (p.getDistanceFrom(p0) <= r) {
+			// Set in list
+			list.insert(p);
+		}
 	}
 }
 
-- 
cgit v1.2.3