cleanup whitespace, comments and MT -> core

.luacheckrc

@@ -15,6 +15,7 @@ read_globals = {
 	"VoxelManip",
 
 	-- Minetest
+	"core",
 	"minetest",
 	"vector", "ItemStack",
 	"dump", "VoxelArea",

compat/beds.lua

@@ -1,13 +1,13 @@
-local bed_bottoms = {"beds:bed_bottom", "beds:fancy_bed_bottom"}
+local bed_bottoms = { "beds:bed_bottom", "beds:fancy_bed_bottom" }
 
--- sanity checks
+-- Sanity checks
 assert(beds, "global `beds` not found")
 assert(beds.spawn, "field `spawn` doesn't exist in `beds`")
 assert(beds.save_spawns, "field `save_spawns` doesn't exist in `beds`")
 
 -- Calculate a bed's middle position (where players would spawn)
 local function calc_bed_middle(bed_pos, facedir)
-	local dir = minetest.facedir_to_dir(facedir)
+	local dir = core.facedir_to_dir(facedir)
 	local bed_middle = {
 		x = bed_pos.x + dir.x / 2,
 		y = bed_pos.y,
@@ -18,37 +18,37 @@ end
 
 local bed_from_positions = {}
 
-
 for _, nodename in ipairs(bed_bottoms) do
-	-- override bed definitions
-	minetest.override_item(nodename, {
+	-- Override bed definitions
+	core.override_item(nodename, {
 		on_movenode = function(from_pos)
-			-- collect bed positions while jumping
+			-- Collect bed positions while jumping
 			table.insert(bed_from_positions, from_pos)
 		end
 	})
 end
 
--- executed after jump
+-- Executed after jump
 jumpdrive.register_after_jump(function(from_area, to_area)
 	local delta_vector = vector.subtract(to_area.pos1, from_area.pos1)
 	local modified = false
 
-	-- go over all collected bed positions
+	-- Go over all collected bed positions
 	for _, bed_pos in ipairs(bed_from_positions) do
-		local facedir = minetest.get_node(bed_pos).param2
+		local facedir = core.get_node(bed_pos).param2
 		local sleep_pos = calc_bed_middle(bed_pos, facedir)
-		-- sleep position in target area
+		-- Sleep position in target area
 		local new_sleep_pos = vector.add(sleep_pos, delta_vector)
 		local sleep_pos_floor = vector.floor(sleep_pos)
 
 		for player_name, player_pos in pairs(beds.spawn) do
 			if vector.equals(sleep_pos_floor, vector.floor(player_pos)) then
-				-- player sleeps here, move position
+				-- Player sleeps here, move position
 				beds.spawn[player_name] = new_sleep_pos
-				minetest.log("action", "[jumpdrive] Updated bed spawn for player " .. player_name)
+				core.log("action",
+					"[jumpdrive] Updated bed spawn for player " .. player_name)
 
-				-- set modified flag to save afterwards
+				-- Set modified flag to save afterwards
 				modified = true
 			end
 		end
@@ -59,6 +59,6 @@ jumpdrive.register_after_jump(function(from_area, to_area)
 		beds.save_spawns()
 	end
 
-	-- clear collected bed positions
+	-- Clear collected bed positions
 	bed_from_positions = {}
 end)