Use on_repair when repairing tube (#37)

* Use on_repair when repairing tube

* Use tube.on_repair

* Verify was_node registration

routing_tubes.lua

@@ -64,28 +64,39 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 			local itemstack = puncher:get_wielded_item()
 			local wieldname = itemstack:get_name()
 			local playername = puncher:get_player_name()
-			local log_msg = playername.." struck a broken tube at "..minetest.pos_to_string(pos).."\n"
+			local log_msg = playername.." struck a broken tube at "..minetest.pos_to_string(pos).."\n            "
 			local meta = minetest.get_meta(pos)
 			local was_node = minetest.deserialize(meta:get_string("the_tube_was"))
 			if not was_node then
-				pipeworks.logger(log_msg.."            but it can't be repaired.")
+				pipeworks.logger(log_msg.."but it can't be repaired.")
 				return
 			end
 			if not pipeworks.check_and_wear_hammer(puncher) then
 				if wieldname == "" then
-					pipeworks.logger(log_msg.."            by hand. It's not very effective.")
+					pipeworks.logger(log_msg.."by hand. It's not very effective.")
 					if minetest.settings:get_bool("enable_damage") then
 						minetest.chat_send_player(playername,S("Broken tubes may be a bit sharp. Perhaps try with a hammer?"))
 						puncher:set_hp(puncher:get_hp()-1)
 					end
 				else
-					pipeworks.logger(log_msg.."            with "..wieldname.." but that tool is too weak.")
+					pipeworks.logger(log_msg.."with "..wieldname.." but that tool is too weak.")
 				end
 				return
 			end
-			pipeworks.logger(log_msg.."            with "..wieldname.." to repair it.")
-			minetest.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
-			pipeworks.scan_for_tube_objects(pos)
+			log_msg = log_msg.."with "..wieldname.." to repair it"
+			local nodedef = minetest.registered_nodes[was_node.name]
+			if nodedef then
+				pipeworks.logger(log_msg..".")
+				if nodedef.tube and nodedef.tube.on_repair then
+					nodedef.tube.on_repair(pos, was_node)
+				else
+					minetest.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
+					pipeworks.scan_for_tube_objects(pos)
+				end
+			else
+				pipeworks.logger(log_msg.." but original node "..was_node.name.." is not registered anymore.")
+				minetest.chat_send_player(playername, S("This tube cannot be repaired."))
+			end
 		end
 	}
 })

teleport_tube.lua

@@ -184,6 +184,18 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
 				pos.y = target[d].y
 				pos.z = target[d].z
 				return pipeworks.meseadjlist
+			end,
+			on_repair = function(pos, node)
+				local meta = minetest.get_meta(pos)
+				local channel = meta:get_string("channel")
+				minetest.swap_node(pos, { name = node.name, param2 = node.param2 })
+				pipeworks.scan_for_tube_objects(pos)
+				if channel ~= "" then
+					local can_receive = meta:get_int("can_receive")
+					set_tube(pos, channel, can_receive)
+					local cr_description = (can_receive == 1) and "sending and receiving" or "sending"
+					meta:set_string("infotext", S("Teleportation Tube @1 on '@2'", cr_description, channel))
+				end
 			end
 		},
 		on_construct = function(pos)