From: kwolekr <kwolekr@minetest.net>
Date: Mon, 8 Jul 2013 22:50:29 +0000 (-0400)
Subject: Fix wallmounted rotations along Y axis for 90 and 270 degree cases
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=fca4610f11748814b41b068e14a875b4cdeb6bd4;p=zefram%2Fminetest%2Fminetest_engine.git

Fix wallmounted rotations along Y axis for 90 and 270 degree cases
---

diff --git a/src/mapnode.cpp b/src/mapnode.cpp
index 388818c4..f9323118 100644
--- a/src/mapnode.cpp
+++ b/src/mapnode.cpp
@@ -31,6 +31,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 static const Rotation wallmounted_to_rot[] = {
 	ROTATE_0, ROTATE_180, ROTATE_90, ROTATE_270
 };
+
 static const u8 rot_to_wallmounted[] = {
 	2, 4, 3, 5
 };
@@ -154,7 +155,7 @@ void MapNode::rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot) {
 			
 		Rotation oldrot = wallmounted_to_rot[wmountface - 2];
 		param2 &= ~7;
-		param2 |= rot_to_wallmounted[(oldrot + rot) & 3];
+		param2 |= rot_to_wallmounted[(oldrot - rot) & 3];
 	}
 }