From 55e74c04ed0bcccd4b5cbd02e625202598ab0f65 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Wed, 8 Aug 2012 11:44:12 +0200
Subject: [PATCH] Trigger Block Update when retracting Piston

---
 mesecons_pistons/init.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mesecons_pistons/init.lua b/mesecons_pistons/init.lua
index ccb5630..73cb119 100644
--- a/mesecons_pistons/init.lua
+++ b/mesecons_pistons/init.lua
@@ -171,7 +171,7 @@ mesecon:register_on_signal_on(function(pos, node)
 	end
 end)
 
---Pull action (sticky only)
+--Pull action
 mesecon:register_on_signal_off(function(pos, node)
 	if node.name ~= "mesecons_pistons:piston_normal" and node.name ~= "mesecons_pistons:piston_sticky" then
 		return
@@ -191,6 +191,9 @@ mesecon:register_on_signal_off(function(pos, node)
 
 	--retract piston
 	minetest.env:remove_node(pos) --remove pusher
+	if node.name ~= "mesecons_pistons:piston_sticky" then
+	    nodeupdate(pos)
+	end
 	if node.name == "mesecons_pistons:piston_sticky" then --retract block
 		local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
 		checknode = minetest.env:get_node(checkpos)
@@ -205,6 +208,9 @@ mesecon:register_on_signal_off(function(pos, node)
 			minetest.env:dig_node(checkpos)
 		end
 	end
+	if node.name == "mesecons_pistons:piston_sticky" then
+	    nodeupdate(pos)
+	end
 end)
 
 -- get push direction