View difference between Paste ID: JxauVSec and g9gfxwsb

-local lamp = peripheral.find "colorful_lamp"
+local sign = peripheral.find "minecraft:sign"
-lamp.setLampColor(32767)
+
 local label = os.getComputerLabel()
 local chest = peripheral.wrap "bottom"
-local switch_config = dofile "config.lua"
+
 sign.setSignText "Rotating"
 
 local powered_rail_side = "right"
 
 while true do
 	local presence, meta = turtle.inspect()
 	if presence and meta.name == "minecraft:activator_rail" then
 		break
 	end
 	turtle.turnRight()
 end
 
 turtle.turnLeft()
 local presence, meta = turtle.inspect()
 if presence and meta.name == "minecraft:golden_rail" then
 	powered_rail_side = "left"
 end
 turtle.turnRight()
 
 local function sign_display(player)
 	local l2, l3 = "", ""
-		send_packet { type = "identify", implementation = "ARR switching unit", key = settings.get "spudnet_key" }
+	if player then
 		l2 = "Welcome, "
 		l3 = player
 	end
 	sign.setSignText(label, l2, l3, "\\arr goto [dest]")
 end
 sign_display()
 
 local function spudnet()
 	if not http or not http.websocket then return "Websockets do not actually exist on this platform" end
 
 	local ws
 
 	local function send_packet(msg)
 		local ok, err = pcall(ws.send, textutils.serialiseJSON(msg))
 		if not ok then printError(err) try_connect_loop() end
 	end
 
 	local function send(data)
 		send_packet { type = "send", channel = "comm:arr", data = data }
 	end
 
 	local function connect()
 		if ws then ws.close() end
 		ws, err = http.websocket "wss://spudnet.osmarks.net/v4?enc=json"
 		if not ws then print("websocket failure %s", err) return false end
 		ws.url = "wss://spudnet.osmarks.net/v4?enc=json"
 
 		send_packet { type = "identify", implementation = "ARR station unit", key = settings.get "spudnet_key" }
 		send_packet { type = "set_channels", channels = { "comm:arr" } }
 
 		print("websocket connected")
 
 		return true
 	end
 
 	local function try_connect_loop()
 		while not connect() do
 			sleep(0.5)
 		end
 	end
 
 	try_connect_loop()
 
 	local function recv()
 		while true do
 			local e, u, x = os.pullEvent "websocket_message"
 			if u == ws.url then return textutils.unserialiseJSON(x) end
 		end
 	end
 
 	local ping_timeout_timer = nil
 
 	local function ping_timer()
 		while true do
 			local _, t = os.pullEvent "timer"
-local directions = {
+
-	["+ "] = "east",
+
-	[" +"] = "south",
+
-	["- "] = "west",
+
-	[" -"] = "north"
+
-}
+
 	end
-local function direction_name(vec)
+
-	local function symbol(v)
+
-		if math.abs(v) < 0.1 then return " "
+
-		elseif v < 0 then return "-"
+
-		else return "+" end
+
 				send_packet { type = "pong", seq = packet.seq }
-	return directions[symbol(vec.x) .. symbol(vec.z)]
+
 				ping_timeout_timer = os.startTimer(15)
 			elseif packet.type == "error" then
 				print("SPUDNET error", packet["for"], packet.error, packet.detail, textutils.serialise(packet))
 			elseif packet.type == "message" then
 				os.queueEvent("spudnet_message", packet.data)
 			end
-			entity.position = vector.new(entity.x, entity.y, entity.z) + switch_config.offset
+
-			entity.velocity = vector.new(entity.motionX, entity.motionY, entity.motionZ)
+
 
-		table.sort(entities, function(a, b) return a.position:length() < b.position:length() end)
+
-		local carts = {}
+
 
-			if entity.displayName == "entity.MinecartRideable.name" then
+
-				entity.riders = {}
+
-				table.insert(carts, entity)
+
-				break
+
 		local entities = sensor.sense()
 		local players = {}
-		local new_carts = {}
+
-		local relevant_carts = 0
+			entity.position = vector.new(entity.x, entity.y, entity.z)
-		for _, cart in pairs(carts) do
+			if entity.position:length() < 5 and entity.displayName == entity.name then
-			local new = {
+				table.insert(players, entity.displayName)
-				pos = direction_name(cart.position), dir = direction_name(cart.velocity),
+
-				distance = cart.position:length(),
+
-				riders = {},
+		if #players > 0 then
-				id = cart.id
+			sign_display(players[1])
-			}
+			spudnet_send { id = label, type = "st_ping", players = players }
-			for _, entity in pairs(entities) do
+
-				if entity.displayName ~= "entity.MinecartRideable.name" and entity ~= cart and (cart.position - entity.position):length() < 1 then
+		if turtle.suck() then
-						table.insert(new.riders, entity.displayName)
+			turtle.select(1)
-					break
+			chest.pullItems("up", 1)
 		end
 		sleep(1)
-			if new.dir and #new.riders > 0 then
+
-				relevant_carts = relevant_carts + 1
+
 
-			table.insert(new_carts, new)
+local busy
 local function spudnet_listen()
-		spudnet_send { id = label, type = "sw_ping", carts = new_carts }
+
-		if relevant_carts == 0 then sleep(0.5) elseif relevant_carts == 1 then sleep(0.25) else sleep(0.1) end
+
 		if type(data) == "table" and data.type == "st_cmd" and (data.id == label or data.id == nil) then
 			--print(data.type, data.cmd)
 			if data.cmd == "place_cart" then
 				if busy then
 					spudnet_send { id = label, cid = data.cid, type = "st_ack", status = "busy" }
 				else
-		if type(data) == "table" and data.type == "sw_cmd" and (data.id == label or data.id == nil) then
+					busy = true
 					chest.pullItems("up", 1)
-			if data.cmd == "set" then
+					local items = chest.list()
-				print("set")
+					local cart_slot
-				if data.lamp then lamp.setLampColor(data.lamp) end
+					for slot, content in pairs(items) do
-				if data.switch ~= nil then rs.setOutput(switch_config.side, data.switch == 1) end
+						cart_slot = slot
-				spudnet_send { type = "sw_ack", cid = data.cid }
+					end
 					if not cart_slot then
-				local h, e = http.get "https://pastebin.com/raw/g9gfxwsb"
+						spudnet_send { id = label, cid = data.cid, type = "st_ack", status = "no_cart" }
 					else
 						chest.pushItems("up", cart_slot, 1, 1)
-					lamp.setLampColor(1023)
+						if powered_rail_side == "left" then turtle.turnLeft() else turtle.turnRight() end
 						turtle.place()
 						if powered_rail_side == "left" then turtle.turnRight() else turtle.turnLeft() end
 						spudnet_send { id = label, cid = data.cid, type = "st_ack", status = "done" }
 					end
 					busy = false
 				end
 			elseif data.cmd == "update" then
 				local h, e = http.get "https://pastebin.com/raw/JxauVSec"
 				if not h then printError(e)
 				else
 					sign.setSignText("Update", "in progress")
 					local t = h.readAll()
 					h.close()
 					local f, e = load(t)
 					if f then
 						local f = fs.open("startup", "w")
 						f.write(t)
 						f.close()
 						print "reboot"
 						sleep(1)
 						os.reboot()
 					else printError(e) end
 
 				end
 			end
 		end
 	end
 end
 
 parallel.waitForAll(spudnet_handler, main, spudnet_listen)