state command added

logic/cart_detector.lua

@@ -136,6 +136,13 @@ techage.register_node({"techage:ta3_cartdetector_off", "techage:ta3_cartdetector
 			local node = minetest.get_node(pos)
 			local dir = minetest.facedir_to_dir(node.param2)
 			minecart.punch_cart(pos, nil, 1.5, dir)
+		elseif topic == "state" then
+			local node = techage.get_node_lvm(pos)
+			if node.name == "techage:ta3_cartdetector_on" then
+				return "on"
+			else
+				return "off"
+			end
 		else
 			return "unsupported"
 		end

logic/node_detector.lua

@@ -187,6 +187,21 @@ minetest.register_craft({
 })
 
 techage.register_node({"techage:ta3_nodedetector_off", "techage:ta3_nodedetector_on"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		if topic == "name" then
+			local nvm = techage.get_nvm(pos)
+			return nvm.player_name or ""
+		elseif topic == "state" then
+			local node = techage.get_node_lvm(pos)
+			if node.name == "techage:ta3_nodedetector_off" then
+				return "on"
+			else
+				return "off"
+			end
+		else
+			return "unsupported"
+		end
+	end,
 	on_node_load = function(pos)
 		minetest.get_node_timer(pos):start(CYCLE_TIME)
 	end,

logic/player_detector.lua

@@ -311,6 +311,14 @@ techage.register_node({
 			if topic == "name" then
 				local nvm = techage.get_nvm(pos)
 				return nvm.player_name or ""
+			elseif topic == "state" then
+				local node = techage.get_node_lvm(pos)
+				if node.name == "techage:ta3_playerdetector_on" or 
+						node.name == "techage:ta4_playerdetector_on" then
+					return "on"
+				else
+					return "off"
+				end
 			else
 				return "unsupported"
 			end