Attach new machines and cables to touched networks

cables.lua

@@ -15,6 +15,20 @@
 -- along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 local S=minetest.get_translator("industrialtest")
+local cable={}
+
+cable.onConstruct=function(pos)
+	local connections=industrialtest.api.getConnections(pos)
+	for _,conn in ipairs(connections) do
+		local meta=minetest.get_meta(conn)
+		local networks=industrialtest.api.isAttachedToNetwork(meta)
+		if networks then
+			for _,network in ipairs(networks) do
+				industrialtest.api.createNetworkMapForNode(network)
+			end
+		end
+	end
+end
 
 local function registerCable(name,displayName,size,flow,registerInsulated)
 	local definition={
@@ -88,7 +102,8 @@ local function registerCable(name,displayName,size,flow,registerInsulated)
 			"group:_industrialtest_hasPowerInput",
 			"group:_industrialtest_hasPowerOutput",
 			"group:_industrialtest_cable"
-		}
+		},
+		on_construct=cable.onConstruct
 	}
 	if industrialtest.mtgAvailable then
 		definition.groups={