Add luacheck configuration and some minor cleanupHEADmaster

1 files changed, 3 insertions, 3 deletions

diff --git a/init.lua b/init.lua
index 8ede06c..547fdbd 100644
--- a/init.lua
+++ b/init.lua
@@ -55,7 +55,7 @@ local function updateDisplay(pos)
 	local entity = minetest.add_entity(pos,"digidisplay:text")
 	local nname = minetest.get_node(pos).name
 	local fdir = minetest.facedir_to_dir(minetest.get_node(pos).param2)
-	local etex = ""
+	local etex
 	if nname == "digidisplay:tiny" then
 		etex = generateTexture("tiny",text)
 	elseif nname == "digidisplay:small" then
@@ -90,7 +90,7 @@ for _,i in pairs({"tiny","small","medium","large","huge"}) do
 		groups = {cracky=3,digidisplay_lbm=1},
 		paramtype = "light",
 		paramtype2 = "facedir",
-		on_rotate = screwdriver and screwdriver.rotate_simple,
+		on_rotate = minetest.global_exists("screwdriver") and screwdriver.rotate_simple,
 		drawtype = "nodebox",
 		inventory_image = string.format("digidisplay_inventory_%s.png",i),
 		node_box = {
@@ -115,7 +115,7 @@ for _,i in pairs({"tiny","small","medium","large","huge"}) do
 		end,
 		digiline = {
 			wire = {
-				rules = digiline.rules.default,
+				rules = digilines.rules.default,
 			},
 			effector = {
 				action = function(pos,_,channel,msg)