From db434c6fe9865159efdc7f3ee5f3cf6f1a253982 Mon Sep 17 00:00:00 2001
From: Anthony Zhang <azhang9@gmail.com>
Date: Sun, 11 Nov 2012 17:51:03 -0500
Subject: [PATCH] Use nodeupdate() so things like pushing gravel/sand off a
 ledge allows it to fall.

---
 mesecons_pistons/init.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mesecons_pistons/init.lua b/mesecons_pistons/init.lua
index fa860cc..e6d09de 100644
--- a/mesecons_pistons/init.lua
+++ b/mesecons_pistons/init.lua
@@ -195,6 +195,7 @@ function mesecon:piston_push(pos)
 		minetest.env:dig_node(checkpos)
 		minetest.env:add_node(pos, checknode)
 		mesecon:updatenode(pos)
+		nodeupdate(pos)
 		checknode = nextnode
 	end
 end
@@ -224,8 +225,10 @@ function mesecon:piston_pull(pos)
 		and not mesecon:is_mvps_stopper(checknode.name) then
 			minetest.env:add_node(pos, checknode)
 			mesecon:updatenode(pos)
+			nodeupdate(pos)
 			minetest.env:dig_node(checkpos)
 			mesecon:updatenode(checkpos)
+			nodeupdate(checkpos)
 		end
 	end
 	nodeupdate(pos)