mesecons/mesecons_mvps/init.lua

@@ -145,6 +145,10 @@ function mesecon.mvps_pull_single(pos, dir, maximum)
 	return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum)
 end
 
+function mesecon.mvps_is_protected(pos, ...)
+	return false
+end
+
 -- pos: pos of mvps; stackdir: direction of building the stack
 -- movedir: direction of actual movement
 -- maximum: maximum nodes to be pushed
@@ -159,7 +163,13 @@ function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sti
 			return
 		end
 	end
-
+	
+	for _, n in ipairs(nodes) do
+		if mesecon.mvps_is_protected(n.pos) then
+    		return
+    	end
+	end
+	
 	-- remove all nodes
 	for _, n in ipairs(nodes) do
 		n.meta = minetest.get_meta(n.pos):to_table()