Remove unused args.

inventory.lua

@@ -58,10 +58,10 @@ minetest.register_node("digilines:chest", {
 	end,
 	after_place_node = tubescan,
 	after_dig_node = tubescan,
-	can_dig = function(pos, player)
+	can_dig = function(pos)
 		return minetest.get_meta(pos):get_inventory():is_empty("main")
 	end,
-	on_receive_fields = function(pos, formname, fields, sender)
+	on_receive_fields = function(pos, _, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
 			minetest.record_protection_violation(pos, name)
@@ -74,7 +74,7 @@ minetest.register_node("digilines:chest", {
 	digiline = {
 		receptor = {},
 		effector = {
-			action = function(pos,node,channel,msg) end
+			action = function() end
 		}
 	},
 	tube = {
@@ -83,10 +83,10 @@ minetest.register_node("digilines:chest", {
 			return not pipeworks.connects.facingFront(i,param2)
 		end,
 		input_inventory = "main",
-		can_insert = function(pos, node, stack, direction)
+		can_insert = function(pos, _, stack)
 			return can_insert(pos, stack)
 		end,
-		insert_object = function(pos, node, stack, direction)
+		insert_object = function(pos, _, stack)
 			local inv = minetest.get_meta(pos):get_inventory()
 			local leftover = inv:add_item("main", stack)
 			local count = leftover:get_count()
@@ -108,16 +108,16 @@ minetest.register_node("digilines:chest", {
 			return leftover
 		end,
 	},
-	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+	allow_metadata_inventory_put = function(pos, _, _, stack)
 		if not can_insert(pos, stack) then
 			sendMessage(pos,"uoverflow "..maybeString(stack))
 		end
 		return stack:get_count()
 	end,
-	on_metadata_inventory_move = function(pos, fromlistname, fromindex, tolistname, toindex, count, player)
+	on_metadata_inventory_move = function(pos, _, _, _, _, _, player)
 		minetest.log("action", player:get_player_name().." moves stuff in chest at "..minetest.pos_to_string(pos))
 	end,
-	on_metadata_inventory_put = function(pos, listname, index, stack, player)
+	on_metadata_inventory_put = function(pos, _, _, stack, player)
 		local channel = minetest.get_meta(pos):get_string("channel")
 		local send = function(msg)
 			sendMessage(pos,msg,channel)
@@ -132,7 +132,7 @@ minetest.register_node("digilines:chest", {
 		end
 		minetest.log("action", player:get_player_name().." puts stuff into chest at "..minetest.pos_to_string(pos))
 	end,
-	on_metadata_inventory_take = function(pos, listname, index, stack, player)
+	on_metadata_inventory_take = function(pos, listname, _, stack, player)
 		local meta = minetest.get_meta(pos)
 		local channel = meta:get_string("channel")
 		local inv = meta:get_inventory()

lcd.lua

@@ -140,7 +140,7 @@ local prepare_writing = function(pos)
 	return text
 end
 
-local on_digiline_receive = function(pos, node, channel, msg)
+local on_digiline_receive = function(pos, _, channel, msg)
 	local meta = minetest.get_meta(pos)
 	local setchan = meta:get_string("channel")
 	if setchan ~= channel then return end
@@ -173,7 +173,7 @@ minetest.register_node("digilines:lcd", {
 	selection_box = lcd_box,
 	groups = {choppy = 3, dig_immediate = 2},
 
-	after_place_node = function (pos, placer, itemstack)
+	after_place_node = function (pos)
 		local param2 = minetest.get_node(pos).param2
 		if param2 == 0 or param2 == 1 then
 			minetest.add_node(pos, {name = "digilines:lcd", param2 = 3})
@@ -189,7 +189,7 @@ minetest.register_node("digilines:lcd", {
 		clearscreen(pos)
 	end,
 
-	on_receive_fields = function(pos, formname, fields, sender)
+	on_receive_fields = function(pos, _, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
 			minetest.record_protection_violation(pos, name)

lightsensor.lua

@@ -21,7 +21,7 @@ local lsensor_selbox =
 	fixed = {{ -8/16, -8/16, -8/16, 8/16, -3/16, 8/16 }}
 }
 
-local on_digiline_receive = function (pos, node, channel, msg)
+local on_digiline_receive = function (pos, _, channel, msg)
 	local setchan = minetest.get_meta(pos):get_string("channel")
 	if channel == setchan and msg == GET_COMMAND then
 		local lightval = minetest.get_node_light(pos)
@@ -50,7 +50,7 @@ minetest.register_node("digilines:lightsensor", {
 		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", "field[channel;Channel;${channel}]")
 	end,
-	on_receive_fields = function(pos, formname, fields, sender)
+	on_receive_fields = function(pos, _, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
 			minetest.record_protection_violation(pos, name)

rtc.lua

@@ -16,7 +16,7 @@ local rtc_selbox =
 	fixed = {{ -8/16, -8/16, -8/16, 8/16, -3/16, 8/16 }}
 }
 
-local on_digiline_receive = function (pos, node, channel, msg)
+local on_digiline_receive = function (pos, _, channel, msg)
 	local setchan = minetest.get_meta(pos):get_string("channel")
 	if channel == setchan and msg == GET_COMMAND then
 		local timeofday = minetest.get_timeofday()
@@ -46,7 +46,7 @@ minetest.register_node("digilines:rtc", {
 		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", "field[channel;Channel;${channel}]")
 	end,
-	on_receive_fields = function(pos, formname, fields, sender)
+	on_receive_fields = function(pos, _, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
 			minetest.record_protection_violation(pos, name)

util.lua

@@ -22,9 +22,9 @@ function digilines.rotate_rules_left(rules)
 	local nr={}
 	for i, rule in ipairs(rules) do
 		nr[i]={}
-		nr[i].z=-rules[i].x
-		nr[i].x=rules[i].z
-		nr[i].y=rules[i].y
+		nr[i].z=-rule.x
+		nr[i].x=rule.z
+		nr[i].y=rule.y
 	end
 	return nr
 end