Use Machine.triggerIfNeeded to request power

machines/electric_machine.lua

@@ -27,7 +27,13 @@ function industrialtest.ElectricMachine.onConstruct(self,pos)
 			local connectionMeta=minetest.get_meta(conn)
 			if industrialtest.api.isNetworkMaster(connectionMeta) then
 				industrialtest.api.createNetworkMapForNode(conn)
-				minetest.get_node_timer(conn):start(industrialtest.updateDelay)
+				local def=minetest.get_node(conn)
+				if def and def._industrialtest_self then
+					def._industrialtest_self:requestPower(conn)
+				else
+					-- Support for bare definitions that don't use industrialtest pseudo-OOP
+					minetest.get_node_timer(conn):start(industrialtest.updateDelay)
+				end
 			else
 				local def=minetest.registered_nodes[minetest.get_node(conn).name]
 				if def.groups._industrialtest_cable then
@@ -35,7 +41,13 @@ function industrialtest.ElectricMachine.onConstruct(self,pos)
 					if networks then
 						for _,network in ipairs(networks) do
 							industrialtest.api.createNetworkMapForNode(network)
-							minetest.get_node_timer(network):start(industrialtest.updateDelay)
+							local def=minetest.get_node(network)
+							if def and def._industrialtest_self then
+								def._industrialtest_self:requestPower(network)
+							else
+								-- Support for bare definitions that don't use industrialtest pseudo-OOP
+								minetest.get_node_timer(conn):start(industrialtest.updateDelay)
+							end
 						end
 					end
 				end
@@ -124,10 +136,11 @@ function industrialtest.ElectricMachine.requestPower(self,pos)
 	if meta:get_int("industrialtest.powerAmount")<=0 then
 		return
 	end
-	local spaceAvailable,flowTransferred=industrialtest.api.powerFlow(pos)
-	if (spaceAvailable and meta:get_int("industrialtest.powerAmount")>0) or self:canUpdate(pos) then
-		minetest.get_node_timer(pos):start(industrialtest.updateDelay)
+	local _,flowTransferred=industrialtest.api.powerFlow(pos)
+	if flowTransferred then
+		self:updateFormspec(pos)
 	end
+	self:triggerIfNeeded(pos)
 end
 
 function industrialtest.ElectricMachine.powerExchange(self,pos)