From: Novatux <nathanael.courant@laposte.net>
Date: Sat, 21 Jun 2014 06:29:41 +0000 (+0200)
Subject: Fix crash with legacy nodebreakers
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=5a5bb3bf1287e3d046c7eabc28409549845b7fef;p=zefram%2Fminetest%2Fpipeworks.git

Fix crash with legacy nodebreakers
---

diff --git a/node_breaker.lua b/node_breaker.lua
index 21c5194..a25ca32 100644
--- a/node_breaker.lua
+++ b/node_breaker.lua
@@ -271,9 +271,11 @@ minetest.register_node("pipeworks:nodebreaker_off", {
 		minetest.get_meta(pos):set_string("owner", placer:get_player_name())
 	end,
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)
-		local stack = oldmetadata.inventory.pick[1]
-		if not stack:is_empty() then
-			minetest.add_item(pos, stack)
+		if oldmetadata.inventory.pick then
+			local stack = oldmetadata.inventory.pick[1]
+			if not stack:is_empty() then
+				minetest.add_item(pos, stack)
+			end
 		end
 		pipeworks.scan_for_tube_objects(pos, oldnode, oldmetadata, digger)
 	end,
@@ -369,9 +371,11 @@ minetest.register_node("pipeworks:nodebreaker_on", {
 		minetest.get_meta(pos):set_string("owner", placer:get_player_name())
 	end,
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)
-		local stack = oldmetadata.inventory.pick[1]
-		if not stack:is_empty() then
-			minetest.add_item(pos, stack)
+		if oldmetadata.inventory.pick then
+			local stack = oldmetadata.inventory.pick[1]
+			if not stack:is_empty() then
+				minetest.add_item(pos, stack)
+			end
 		end
 		pipeworks.scan_for_tube_objects(pos, oldnode, oldmetadata, digger)
 	end,