Merge branch 'master' into buckets

.luacheckrc

@@ -40,4 +40,13 @@ read_globals = {
 			"factorial"
 		}
 	},
+    ------
+    --MODS
+    ------
+
+    --GENERAL
+    "default",
+
+    --HUD
+    "sfinv", "sfinv_buttons", "unified_inventory", "cmsg", "inventory_plus",
 }

mods/ENTITIES/mcl_paintings/init.lua

@@ -4,9 +4,11 @@ dofile(minetest.get_modpath(minetest.get_current_modname()).."/paintings.lua")
 
 local S = minetest.get_translator("mcl_paintings")
 
+local math = math
+
 local wood = "[combine:16x16:-192,0=mcl_paintings_paintings.png"
 
-local is_protected = function(pos, name)
+local function is_protected(pos, name)
 	if minetest.is_protected(pos, name) then
 		minetest.record_protection_violation(pos, name)
 		return true
@@ -17,7 +19,7 @@ end
 -- Check if there's a painting for provided painting size.
 -- If yes, returns the arguments.
 -- If not, returns the next smaller available painting.
-local shrink_painting = function(x, y)
+local function shrink_painting(x, y)
 	if x > 4 or y > 4 then
 		return nil
 	end
@@ -43,7 +45,7 @@ local shrink_painting = function(x, y)
 	end
 end
 
-local get_painting = function(x, y, motive)
+local function get_painting(x, y, motive)
 	local painting = mcl_paintings.paintings[y] and mcl_paintings.paintings[y][x] and mcl_paintings.paintings[y][x][motive]
 	if not painting then
 		return nil
@@ -53,7 +55,7 @@ local get_painting = function(x, y, motive)
 	return "[combine:"..sx.."x"..sy..":"..px..","..py.."=mcl_paintings_paintings.png"
 end
 
-local get_random_painting = function(x, y)
+local function get_random_painting(x, y)
 	if not mcl_paintings.paintings[y] or not mcl_paintings.paintings[y][x] then
 		return nil
 	end
@@ -65,7 +67,7 @@ local get_random_painting = function(x, y)
 	return get_painting(x, y, r), r
 end
 
-local size_to_minmax = function(size)
+--[[local function size_to_minmax(size)
 	local min, max
 	if size == 2 then
 		min = -0.5
@@ -81,13 +83,13 @@ local size_to_minmax = function(size)
 		max = 0.5
 	end
 	return min, max
-end
+end]]
 
-local size_to_minmax_entity = function(size)
+local function size_to_minmax_entity(size)
 	return -size/2, size/2
 end
 
-local set_entity = function(object)
+local function set_entity(object)
 	local ent = object:get_luaentity()
 	local wallm = ent._facing
 	local xsize = ent._xsize
@@ -169,7 +171,7 @@ minetest.register_entity("mcl_paintings:painting", {
 	on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir, damage)
 		-- Drop as item on punch
 		if puncher and puncher:is_player() then
-			kname = puncher:get_player_name()
+			local kname = puncher:get_player_name()
 			local pos = self._pos
 			if not pos then
 				pos = self.object:get_pos()

mods/ENTITIES/mobs_mc/0_gameconfig.lua

@@ -83,7 +83,7 @@ mobs_mc.items = {
 	water_source = "default:water_source",
 	water_flowing = "default:water_flowing",
 	river_water_source = "default:river_water_source",
-	water_flowing = "default:river_water_flowing",
+	--water_flowing = "default:river_water_flowing",
 	black_dye = "dye:black",
 	poppy = "flowers:rose",
 	dandelion = "flowers:dandelion_yellow",
@@ -128,7 +128,6 @@ mobs_mc.items = {
 
 	nether_portal = "nether:portal",
 	netherrack = "nether:rack",
-	nether_brick_block = "nether:brick",
 
 	-- Wool (Minecraft color scheme)
 	wool_white = "wool:white",

mods/ENTITIES/mobs_mc/2_throwing.lua

@@ -6,7 +6,7 @@
 -- NOTE: Strings intentionally not marked for translation, other mods already have these items.
 -- TODO: Remove this file eventually, all items here are already outsourced in other mods.
 
-local S = minetest.get_translator("mobs_mc")
+--local S = minetest.get_translator("mobs_mc")
 
 --maikerumines throwing code
 --arrow (weapon)

mods/ENTITIES/mobs_mc/4_heads.lua

@@ -3,8 +3,9 @@
 
 -- NOTE: Strings intentionally not marked for translation, other mods already have these items.
 -- TODO: Remove this file eventually, all items here are already outsourced in other mods.
+-- TODO: Add translation.
 
-local S = minetest.get_translator("mobs_mc")
+--local S = minetest.get_translator("mobs_mc")
 
 -- Heads system
 

mods/ENTITIES/mobs_mc/blaze.lua

@@ -20,7 +20,7 @@ mobs:register_mob("mobs_mc:blaze", {
 	xp_max = 10,
 	tilt_fly = false,
 	hostile = true,
-	rotate = 270,
+	--rotate = 270,
 	collisionbox = {-0.3, -0.01, -0.3, 0.3, 1.79, 0.3},
 	rotate = -180,
 	visual = "mesh",

mods/ENTITIES/mobs_mc/ender_dragon.lua

@@ -24,7 +24,6 @@ mobs:register_mob("mobs_mc:enderdragon", {
 	xp_max = 500,
 	collisionbox = {-2, 0, -2, 2, 2, 2},
 	eye_height = 1,
-	physical = false,
 	visual = "mesh",
 	mesh = "mobs_mc_dragon.b3d",
 	textures = {
@@ -60,8 +59,6 @@ mobs:register_mob("mobs_mc:enderdragon", {
 	arrow = "mobs_mc:dragon_fireball",
 	shoot_interval = 0.5,
 	shoot_offset = -1.0,
-	xp_min = 500,
-	xp_max = 500,
 	animation = {
 		fly_speed = 8, stand_speed = 8,
 		stand_start = 0,		stand_end = 20,
@@ -114,8 +111,8 @@ mobs:register_mob("mobs_mc:enderdragon", {
 	fire_resistant = true,
 })
 
-
-local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
+--TODO: replace this setting by a proper gamerules system
+local mobs_griefing = minetest.settings:get_bool("mobs_griefing", true)
 
 -- dragon fireball (projectile)
 mobs:register_arrow("mobs_mc:dragon_fireball", {
@@ -143,7 +140,9 @@ mobs:register_arrow("mobs_mc:dragon_fireball", {
 	-- node hit, explode
 	hit_node = function(self, pos, node)
 		--mobs:boom(self, pos, 2)
-		mcl_explosions.explode(self.object:get_pos(), 2,{ drop_chance = 1.0 })
+		if mobs_griefing then
+			mcl_explosions.explode(self.object:get_pos(), 2, { drop_chance = 1.0 })
+		end
 	end
 })
 

mods/ENTITIES/mobs_mc/enderman.lua

@@ -318,12 +318,12 @@ mobs:register_mob("mobs_mc:enderman", {
 		for n = 1, #objs do
 			local obj = objs[n]
 			if obj then
-				if minetest.is_player(obj) then
+				--if minetest.is_player(obj) then
 					-- Warp from players during day.
 					--if (minetest.get_timeofday() * 24000) > 5001 and (minetest.get_timeofday() * 24000) < 19000 then
 					--	self:teleport(nil)
 					--end
-				else
+				if not obj:is_player() then
 					local lua = obj:get_luaentity()
 					if lua then
 						if lua.name == "mcl_bows:arrow_entity" or lua.name == "mcl_throwing:snowball_entity" then

mods/ENTITIES/mobs_mc/guardian.lua

@@ -94,7 +94,6 @@ mobs:register_mob("mobs_mc:guardian", {
 	makes_footstep_sound = false,
 	fly_in = { mobs_mc.items.water_source, mobs_mc.items.river_water_source },
 	jump = false,
-	view_range = 16,
 })
 
 -- Spawning disabled due to size issues

mods/ENTITIES/mobs_mc/guardian_elder.lua

@@ -104,7 +104,6 @@ mobs:register_mob("mobs_mc:guardian_elder", {
 	makes_footstep_sound = false,
 	fly_in = { mobs_mc.items.water_source, mobs_mc.items.river_water_source },
 	jump = false,
-	view_range = 16,
 })
 
 -- Spawning disabled due to size issues <- what do you mean? -j4i

mods/ENTITIES/mobs_mc/horse.lua

@@ -38,9 +38,9 @@ end
 local can_equip_horse_armor = function(entity_id)
 	return entity_id == "mobs_mc:horse" or entity_id == "mobs_mc:skeleton_horse" or entity_id == "mobs_mc:zombie_horse"
 end
-local can_equip_chest = function(entity_id)
+--[[local can_equip_chest = function(entity_id)
 	return entity_id == "mobs_mc:mule" or entity_id == "mobs_mc:donkey"
-end
+end]]
 local can_breed = function(entity_id)
 	return entity_id == "mobs_mc:horse" or "mobs_mc:mule" or entity_id == "mobs_mc:donkey"
 end
@@ -314,7 +314,7 @@ local horse = {
 		-- Make sure tamed horse is mature and being clicked by owner only
 		if self.tamed and not self.child and self.owner == clicker:get_player_name() then
 
-			local inv = clicker:get_inventory()
+			--local inv = clicker:get_inventory()
 
 			-- detatch player already riding horse
 			if self.driver and clicker == self.driver then

mods/ENTITIES/mobs_mc/llama.lua

@@ -307,9 +307,9 @@ mobs:register_arrow("mobs_mc:spit", {
 	tail_distance_divider = 4,
 
 	hit_player = function(self, player)
-		if rawget(_G, "armor") and armor.last_damage_types then
+		--[[if rawget(_G, "armor") and armor.last_damage_types then
 			armor.last_damage_types[player:get_player_name()] = "spit"
-		end
+		end]]
 		player:punch(self.object, 1.0, {
 			full_punch_interval = 1.0,
 			damage_groups = {fleshy = self._damage},
@@ -319,7 +319,7 @@ mobs:register_arrow("mobs_mc:spit", {
 	hit_mob = function(self, mob)
 		mob:punch(self.object, 1.0, {
 			full_punch_interval = 1.0,
-			damage_groups = {fleshy = _damage},
+			damage_groups = {fleshy = self._damage},
 		}, nil)
 	end,
 

mods/ENTITIES/mobs_mc/ocelot.lua

@@ -151,7 +151,7 @@ end
 
 mobs:register_mob("mobs_mc:cat", cat)
 
-local base_spawn_chance = 5000
+--local base_spawn_chance = 5000
 
 -- Spawn ocelot
 --they get the same as the llama because I'm trying to rework so much of this code right now -j4i

mods/ENTITIES/mobs_mc/pig.lua

@@ -163,7 +163,7 @@ mobs:register_mob("mobs_mc:pig", {
 		end
 
 		-- Mount or detach player
-		local name = clicker:get_player_name()
+		--local name = clicker:get_player_name()
 		if self.driver and clicker == self.driver then
 			-- Detach if already attached
 			mobs.detach(clicker, {x=1, y=0, z=0})

mods/ENTITIES/mobs_mc/sheep.lua

@@ -150,7 +150,6 @@ mobs:register_mob("mobs_mc:sheep", {
 	do_custom = function(self, dtime)
 		if not self.initial_color_set then
 			local r = math.random(0,100000)
-			local textures
 			if r <= 81836 then
 				-- 81.836%
 				self.color = "unicolor_white"

mods/ENTITIES/mobs_mc/silverfish.lua

@@ -46,7 +46,6 @@ mobs:register_mob("mobs_mc:silverfish", {
 	view_range = 16,
 	attack_type = "punch",
 	damage = 1,
-	reach = 1,
 })
 
 mobs:register_egg("mobs_mc:silverfish", S("Silverfish"), "mobs_mc_spawn_icon_silverfish.png", 0)

mods/ENTITIES/mobs_mc/skeleton+stray.lua

@@ -31,10 +31,6 @@ local skeleton = {
 	group_attack = true,
 	visual = "mesh",
 	mesh = "mobs_mc_skeleton.b3d",
-	textures = { {
-		"mcl_bows_bow_0.png", -- bow
-		"mobs_mc_skeleton.png", -- skeleton
-	} },
 
     --head code
 	has_head = false,

mods/ENTITIES/mobs_mc/vex.lua

@@ -15,7 +15,7 @@ mobs:register_mob("mobs_mc:vex", {
 	spawn_class = "hostile",
 	pathfinding = 1,
 	passive = false,
-	attack_type = "punch",
+	attack_type = "dogfight",
 	physical = false,
 	hp_min = 14,
 	hp_max = 14,
@@ -36,7 +36,6 @@ mobs:register_mob("mobs_mc:vex", {
 	view_range = 16,
 	walk_velocity = 3.2,
 	run_velocity = 5.9,
-	attack_type = "dogfight",
 	sounds = {
 		-- TODO: random
 		death = "mobs_mc_vex_death",

mods/ENTITIES/mobs_mc/wither.lua

@@ -26,7 +26,6 @@ mobs:register_mob("mobs_mc:wither", {
 		{"mobs_mc_wither.png"},
 	},
 	visual_size = {x=4, y=4},
-	makes_footstep_sound = true,
 	view_range = 16,
 	fear_height = 4,
 	walk_velocity = 2,
@@ -81,7 +80,7 @@ mobs:register_mob("mobs_mc:wither", {
 	end,
 })
 
-local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
+--local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
 
 mobs:register_arrow("mobs_mc:wither_skull", {
 	visual = "sprite",

mods/ENTITIES/mobs_mc/wolf.lua

@@ -186,7 +186,7 @@ dog.on_rightclick = function(self, clicker)
 	if is_food(item:get_name()) then
 		-- Feed to increase health
 		local hp = self.health
-		local hp_add = 0
+		local hp_add
 		-- Use eatable group to determine health boost
 		local eatable = minetest.get_item_group(item, "eatable")
 		if eatable > 0 then

mods/ENTITIES/mobs_mc_gameconfig/init.lua

@@ -200,14 +200,14 @@ end
 mobs_mc.override.enderman_block_texture_overrides = {
 	["mcl_core:cactus"] = ctable,
 	-- FIXME: replace colorize colors with colors from palette
-	["mcl_core:dirt_with_grass"] = 
-	{
+	["mcl_core:dirt_with_grass"] = {
         "mcl_core_grass_block_top.png^[colorize:green:90",
         "default_dirt.png",
         "default_dirt.png^(mcl_core_grass_block_side_overlay.png^[colorize:green:90)",
         "default_dirt.png^(mcl_core_grass_block_side_overlay.png^[colorize:green:90)",
         "default_dirt.png^(mcl_core_grass_block_side_overlay.png^[colorize:green:90)",
-	"default_dirt.png^(mcl_core_grass_block_side_overlay.png^[colorize:green:90)"}
+        "default_dirt.png^(mcl_core_grass_block_side_overlay.png^[colorize:green:90)",
+    },
 }
 
 -- List of nodes on which mobs can spawn

mods/ENVIRONMENT/lightning/init.lua

@@ -134,6 +134,7 @@ lightning.strike = function(pos)
 	sound_play({ name = "lightning_thunder", gain = 10 }, { pos = pos, max_hear_distance = 500 }, true)
 
 	-- damage nearby objects, transform mobs
+    -- TODO: use an API insteed of hardcoding this behaviour
 	local objs = get_objects_inside_radius(pos2, 3.5)
 	for o=1, #objs do
 		local obj = objs[o]
@@ -153,7 +154,7 @@ lightning.strike = function(pos)
 			end
 			obj:set_properties({textures = lua.base_texture})
 		-- villager → witch (no damage)
-		elseif lua and lua.name == "mobs_mc:villager" then
+		--elseif lua and lua.name == "mobs_mc:villager" then
 		-- Witches are incomplete, this code is unused
 		-- TODO: Enable this code when witches are working.
 		--[[

mods/ENVIRONMENT/mcl_moon/init.lua

@@ -4,11 +4,9 @@ local SHEET_W = 4
 local SHEET_H = 2
 
 -- Randomize initial moon phase, based on map seed
-local phase_offset
 local mg_seed = minetest.get_mapgen_setting("seed")
 local rand = PseudoRandom(mg_seed)
 local phase_offset = rand:next(0, MOON_PHASES - 1)
-rand = nil
 
 minetest.log("info", "[mcl_moon] Moon phase offset of this world: "..phase_offset)
 

mods/ENVIRONMENT/mcl_void_damage/init.lua

@@ -1,5 +1,5 @@
 local S = minetest.get_translator("mcl_void_damage")
-local enable_damage = minetest.settings:get_bool("enable_damage")
+--local enable_damage = minetest.settings:get_bool("enable_damage")
 
 local pos_to_dim = mcl_worlds.pos_to_dimension
 local dim_change = mcl_worlds.dimension_change
@@ -39,9 +39,9 @@ minetest.register_on_mods_loaded(function()
 			end
 			self._void_timer = 0
 
-			local void, void_deadly = is_in_void(pos)
+			local _, void_deadly = is_in_void(pos)
 			if void_deadly then
-				local ent = obj:get_luaentity()
+				--local ent = obj:get_luaentity()
 				obj:remove()
 				return
 			end
@@ -61,7 +61,7 @@ minetest.register_globalstep(function(dtime)
 		for p=1, #players do
 			local player = players[p]
 			local pos = player:get_pos()
-			local void, void_deadly = is_in_void(pos)
+			local _, void_deadly = is_in_void(pos)
 			if void_deadly then
 				local immortal_val = player:get_armor_groups().immortal
 				local is_immortal = false

mods/ENVIRONMENT/mcl_weather/skycolor.lua

@@ -205,8 +205,8 @@ mcl_weather.skycolor = {
 		-- Returns first player sky color. I assume that all players are in same color layout.
 		get_current_bg_color = function()
 			local players = mcl_weather.skycolor.utils.get_players(nil)
-			for _, player in ipairs(players) do
-				return player:get_sky()
+			if players[1] then
+				return players[1]:get_sky()
 			end
 			return nil
 		end

mods/ENVIRONMENT/mcl_weather/snow.lua

@@ -9,8 +9,8 @@ mcl_weather.snow.init_done = false
 mcl_weather.snow.add_snow_particles = function(player)
 	mcl_weather.rain.last_rp_count = 0
 	for i=mcl_weather.snow.particles_count, 1,-1 do
-    local random_pos_x, random_pos_y, random_pos_z = mcl_weather.get_random_pos_by_player_look_dir(player)
-    random_pos_y = math.random() + math.random(player:get_pos().y - 1, player:get_pos().y + 7)
+		local random_pos_x, _, random_pos_z = mcl_weather.get_random_pos_by_player_look_dir(player)
+		local random_pos_y = math.random() + math.random(player:get_pos().y - 1, player:get_pos().y + 7)
 		if minetest.get_node_light({x=random_pos_x, y=random_pos_y, z=random_pos_z}, 0.5) == 15 then
 			mcl_weather.rain.last_rp_count = mcl_weather.rain.last_rp_count + 1
 			minetest.add_particle({
@@ -45,13 +45,13 @@ mcl_weather.snow.set_sky_box = function()
 	mcl_weather.skycolor.active = true
 end
 
-mcl_weather.snow.clear = function() 
+function mcl_weather.snow.clear()
 	mcl_weather.skycolor.remove_layer("weather-pack-snow-sky")
 	mcl_weather.snow.init_done = false
 end
 
 -- Simple random texture getter
-mcl_weather.snow.get_texture = function()
+function mcl_weather.snow.get_texture()
 	return "weather_pack_snow_snowflake"..math.random(1,2)..".png"
 end
 

mods/ENVIRONMENT/mcl_weather/thunder.lua

@@ -19,29 +19,27 @@ minetest.register_globalstep(function(dtime)
 	mcl_weather.rain.make_weather()
 
 	if mcl_weather.thunder.init_done == false then
-    mcl_weather.skycolor.add_layer(
-      "weather-pack-thunder-sky",
-      {{r=0, g=0, b=0},
+		mcl_weather.skycolor.add_layer("weather-pack-thunder-sky", {
+			{r=0, g=0, b=0},
 			{r=40, g=40, b=40},
 			{r=85, g=86, b=86},
 			{r=40, g=40, b=40},
-      {r=0, g=0, b=0}})
+			{r=0, g=0, b=0},
+		})
 		mcl_weather.skycolor.active = true
 		for _, player in pairs(get_connected_players()) do
 			player:set_clouds({color="#3D3D3FE8"})
 		end
 		mcl_weather.thunder.init_done = true
 	end
-  
 	if (mcl_weather.thunder.next_strike <= minetest.get_gametime()) then
 		lightning.strike()
 		local delay = math.random(mcl_weather.thunder.min_delay, mcl_weather.thunder.max_delay)
 		mcl_weather.thunder.next_strike = minetest.get_gametime() + delay
 	end
-
 end)
 
-mcl_weather.thunder.clear = function()
+function mcl_weather.thunder.clear()
 	mcl_weather.rain.clear()
 	mcl_weather.skycolor.remove_layer("weather-pack-thunder-sky")
 	mcl_weather.skycolor.remove_layer("lightning")
@@ -58,6 +56,6 @@ if mcl_weather.reg_weathers.thunder == nil then
 		max_duration = 1200,
 		transitions = {
 			[100] = "rain",
-    }
+		},
 	}
 end

mods/ENVIRONMENT/mcl_weather/weather_core.lua

@@ -1,5 +1,7 @@
 local S = minetest.get_translator("mcl_weather")
 
+local math = math
+
 -- weather states, 'none' is default, other states depends from active mods
 mcl_weather.state = "none"
 
@@ -96,9 +98,7 @@ mcl_weather.get_random_pos_by_player_look_dir = function(player)
 	local look_dir = player:get_look_dir()
 	local player_pos = player:get_pos()
 
-	local random_pos_x = 0
-	local random_pos_y = 0
-	local random_pos_z = 0
+	local random_pos_x, random_pos_y, random_pos_z
 
 	if look_dir.x > 0 then
 		if look_dir.z > 0 then

mods/HELP/doc/doc/init.lua

@@ -233,7 +233,7 @@ end
 
 -- Returns true if the specified entry has been viewed by the player
 function doc.entry_viewed(playername, category_id, entry_id)
-	local entry, category_id, entry_id = get_entry(category_id, entry_id)
+	local _, category_id, entry_id = get_entry(category_id, entry_id)
 	if doc.data.players[playername].stored_data.viewed[category_id] == nil then
 		return false
 	else
@@ -243,7 +243,7 @@ end
 
 -- Returns true if the specified entry is hidden from the player
 function doc.entry_revealed(playername, category_id, entry_id)
-	local entry, category_id, entry_id = get_entry(category_id, entry_id)
+	local _, category_id, entry_id = get_entry(category_id, entry_id)
 	local hidden = doc.data.categories[category_id].entries[entry_id].hidden
 	if doc.data.players[playername].stored_data.revealed[category_id] == nil then
 		return not hidden
@@ -302,7 +302,7 @@ function doc.show_entry(playername, category_id, entry_id, ignore_hidden)
 		minetest.show_formspec(playername, "doc:error_no_categories", doc.formspec_error_no_categories())
 		return
 	end
-	local entry, category_id, entry_id = get_entry(category_id, entry_id)
+	local _, category_id, entry_id = get_entry(category_id, entry_id)
 	if ignore_hidden or doc.entry_revealed(playername, category_id, entry_id) then
 		local playerdata = doc.data.players[playername]
 		playerdata.category = category_id
@@ -587,8 +587,6 @@ doc.widgets.gallery = function(imagedata, playername, x, y, aspect_ratio, width,
 		formstring = formstring .. "label["..nx..","..ny..";"..i.."]"
 		pos = pos + 1
 	end
-	local bw, bh
-
 	return formstring, ih
 end
 

mods/HELP/doc/doc_items/init.lua

@@ -164,7 +164,7 @@ local factoid_toolcaps = function(tool_capabilities, check_uses)
 			local useslines = 0
 			for k,v in pairs(groupcaps) do
 				-- Mining capabilities
-				local minrating, maxrating
+				--[[local minrating, maxrating
 				if v.times then
 					for rating, time in pairs(v.times) do
 						if minrating == nil then minrating = rating else
@@ -177,7 +177,7 @@ local factoid_toolcaps = function(tool_capabilities, check_uses)
 				else
 					minrating = 1
 					maxrating = 1
-				end
+				end]]
 				local maxlevel = v.maxlevel
 				if not maxlevel then
 					-- Default from tool.h
@@ -577,11 +577,8 @@ doc.add_category("nodes", {
 	description = S("Item reference of blocks and other things which are capable of occupying space"),
 	build_formspec = function(data, playername)
 		if data then
-			local formstring = ""
-			local datastring = ""
-
-			formstring = entry_image(data)
-			datastring = factoids_header(data, "nodes")
+			local formstring = entry_image(data)
+			local datastring = factoids_header(data, "nodes")
 
 			local liquid = data.def.liquidtype ~= "none" and minetest.get_item_group(data.itemstring, "fake_liquid") == 0
 			if not forbidden_core_factoids.basics then
@@ -834,7 +831,7 @@ doc.add_category("nodes", {
 				elseif type(data.def.drop) == "table" and data.def.drop.items ~= nil then
 					local max = data.def.drop.max_items
 					local dropstring = ""
-					local dropstring_base = ""
+					local dropstring_base
 					if max == nil then
 						dropstring_base = N("This block will drop the following items when mined: @1.")
 					elseif max == 1 then
@@ -852,7 +849,7 @@ doc.add_category("nodes", {
 					local rarity_history = {}
 					for i=1,#data.def.drop.items do
 						local local_rarity = data.def.drop.items[i].rarity
-						local chance = 1
+						local chance
 						local rarity = 1
 						if local_rarity == nil then
 							local_rarity = 1
@@ -937,7 +934,6 @@ doc.add_category("nodes", {
 						end
 
 						local rarity = probtable.rarity
-						local raritystring = ""
 						-- No percentage if there's only one possible guaranteed drop
 						if not(rarity == 1 and #data.def.drop.items == 1) then
 							local chance = (1/rarity)*100
@@ -1086,11 +1082,8 @@ doc.add_category("tools", {
 	end,
 	build_formspec = function(data, playername)
 		if data then
-			local formstring = ""
-			local datastring = ""
-
-			formstring = entry_image(data)
-			datastring = factoids_header(data, "tools")
+			local formstring = entry_image(data)
+			local datastring = factoids_header(data, "tools")
 
 			-- Overwritten durability info
 			if type(data.def._doc_items_durability) == "number" then
@@ -1120,11 +1113,8 @@ doc.add_category("craftitems", {
 	description = S("Item reference of items which are neither blocks, tools or weapons (esp. crafting items)"),
 	build_formspec = function(data, playername)
 		if data then
-			local formstring = ""
-			local datastring = ""
-
-			formstring = entry_image(data)
-			datastring = factoids_header(data, "craftitems")
+			local formstring = entry_image(data)
+			local datastring = factoids_header(data, "craftitems")
 			datastring = datastring .. factoids_footer(data, playername, "craftitems")
 
 			formstring = formstring .. doc.widgets.text(datastring, nil, nil, doc.FORMSPEC.ENTRY_WIDTH - 1.2)

mods/HELP/mcl_craftguide/init.lua

@@ -417,9 +417,9 @@ local function get_tooltip(item, groups, cooktime, burntime)
 			-- and just print the normal item name without special formatting
 			if groups[1] == "compass" or groups[1] == "clock" then
 				groupstr = reg_items[item].description
-			elseif group_names[groups[1]] then
+			elseif g then
 				-- Use the special group name string
-				groupstr = minetest.colorize(gcol, group_names[groups[1]])
+				groupstr = minetest.colorize(gcol, g)
 			else
 				--[[ Fallback: Generic group explanation: This always
 				works, but the internally used group name (which

mods/HELP/mcl_doc/init.lua

@@ -154,7 +154,7 @@ doc.sub.items.register_factoid(nil, "use", function(itemstring, def)
 	return s
 end)
 doc.sub.items.register_factoid(nil, "groups", function(itemstring, def)
-	local def = minetest.registered_items[itemstring]
+	--local def = minetest.registered_items[itemstring]
 	local s = ""
 	local use = minetest.get_item_group(itemstring, "mcl_armor_uses")
 	local pts = minetest.get_item_group(itemstring, "mcl_armor_points")
@@ -289,7 +289,7 @@ doc.sub.items.register_factoid("nodes", "drops", function(itemstring, def)
 			local itemname = item:get_name()
 			local itemcount = item:get_count()
 			local idef = minetest.registered_items[itemname]
-			local text = ""
+			local text
 			if idef.description and idef.description ~= "" then
 				text = idef.description
 			else

mods/HELP/mcl_tt/snippets_base.lua

@@ -1,6 +1,6 @@
 local S = minetest.get_translator("mcl_tt")
 
-local function get_min_digtime(caps)
+--[[local function get_min_digtime(caps)
 	local mintime
 	local unique = true
 	local maxlevel = caps.maxlevel
@@ -25,7 +25,7 @@ local function get_min_digtime(caps)
 		end
 	end
 	return mintime, unique
-end
+end]]
 
 local function newline(str)
 	if str ~= "" then
@@ -47,7 +47,7 @@ tt.register_snippet(function(itemstring, toolcaps)
 	local minestring = ""
 	local capstr = ""
 	local caplines = 0
-	for k,v in pairs(groupcaps) do
+	for _,v in pairs(groupcaps) do
 		local speedstr = ""
 		local miningusesstr = ""
 		-- Mining capabilities
@@ -153,9 +153,9 @@ tt.register_snippet(function(itemstring, toolcaps)
 end)
 
 -- Weapon stats
-tt.register_snippet(function(itemstring)
+--[[tt.register_snippet(function(itemstring)
 	local def = minetest.registered_items[itemstring]
-end)
+end)]]
 
 -- Food
 tt.register_snippet(function(itemstring)

mods/HELP/mcl_tt/snippets_mcl.lua

@@ -2,7 +2,7 @@ local S = minetest.get_translator("mcl_tt")
 
 -- Armor
 tt.register_snippet(function(itemstring)
-	local def = minetest.registered_items[itemstring]
+	--local def = minetest.registered_items[itemstring]
 	local s = ""
 	local head = minetest.get_item_group(itemstring, "armor_head")
 	local torso = minetest.get_item_group(itemstring, "armor_torso")
@@ -26,7 +26,7 @@ tt.register_snippet(function(itemstring)
 	return s
 end)
 tt.register_snippet(function(itemstring, _, itemstack)
-	local def = minetest.registered_items[itemstring]
+	--local def = minetest.registered_items[itemstring]
 	local s = ""
 	local use = minetest.get_item_group(itemstring, "mcl_armor_uses")
 	local pts = minetest.get_item_group(itemstring, "mcl_armor_points")
@@ -75,7 +75,7 @@ tt.register_snippet(function(itemstring)
 end)
 
 tt.register_snippet(function(itemstring)
-	local def = minetest.registered_items[itemstring]
+	--local def = minetest.registered_items[itemstring]
 	if minetest.get_item_group(itemstring, "crush_after_fall") == 1 then
 		return S("Deals damage when falling"), mcl_colors.YELLOW
 	end

mods/HUD/awards/triggers.lua

@@ -250,9 +250,7 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 				local tnodedug = string.split(entry.node, ":")
 				local tmod = tnodedug[1]
 				local titem = tnodedug[2]
-				if not tmod or not titem or not data.count[tmod] or not data.count[tmod][titem] then
-					-- table running failed!
-				elseif data.count[tmod][titem] > entry.target-1 then
+				if tmod and titem and data.count[tmod] and data.count[tmod][titem] and data.count[tmod][titem] > entry.target-1 then
 					return entry.award
 				end
 			elseif awards.get_total_item_count(data, "count") > entry.target-1 then
@@ -277,9 +275,7 @@ minetest.register_on_placenode(function(pos, node, digger)
 				local tnodedug = string.split(entry.node, ":")
 				local tmod = tnodedug[1]
 				local titem = tnodedug[2]
-				if not tmod or not titem or not data.place[tmod] or not data.place[tmod][titem] then
-					-- table running failed!
-				elseif data.place[tmod][titem] > entry.target-1 then
+				if tmod and titem and data.place[tmod] and data.place[tmod][titem] and data.place[tmod][titem] > entry.target-1 then
 					return entry.award
 				end
 			elseif awards.get_total_item_count(data, "place") > entry.target-1 then
@@ -303,9 +299,7 @@ minetest.register_on_item_eat(function(hp_change, replace_with_item, itemstack,
 				local titemstring = string.split(entry.item, ":")
 				local tmod = titemstring[1]
 				local titem = titemstring[2]
-				if not tmod or not titem or not data.eat[tmod] or not data.eat[tmod][titem] then
-					-- table running failed!
-				elseif data.eat[tmod][titem] > entry.target-1 then
+				if tmod and titem and data.eat[tmod] and data.eat[tmod][titem] and data.eat[tmod][titem] > entry.target-1 then
 					return entry.award
 				end
 			elseif awards.get_total_item_count(data, "eat") > entry.target-1 then
@@ -331,9 +325,7 @@ minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv
 				local titemcrafted = string.split(entry.item, ":")
 				local tmod = titemcrafted[1]
 				local titem = titemcrafted[2]
-				if not tmod or not titem or not data.craft[tmod] or not data.craft[tmod][titem] then
-					-- table running failed!
-				elseif data.craft[tmod][titem] > entry.target-1 then
+				if tmod and titem and data.craft[tmod] and data.craft[tmod][titem] and data.craft[tmod][titem] > entry.target-1 then
 					return entry.award
 				end
 			elseif awards.get_total_item_count(data, "craft") > entry.target-1 then

mods/HUD/awards/unified_inventory.lua

@@ -1,6 +1,5 @@
-if minetest.get_modpath("unified_inventory") ~= nil then
-	local S = minetest.get_translator("awards")
-
+if minetest.get_modpath("unified_inventory") then
+	local S = minetest.get_translator(minetest.get_current_modname())
 	unified_inventory.register_button("awards", {
 		type = "image",
 		image = "awards_ui_icon.png",

mods/HUD/mcl_experience/init.lua

@@ -1,5 +1,11 @@
 local S = minetest.get_translator("mcl_experience")
+
 mcl_experience = {}
+
+local vector = vector
+local math = math
+local string = string
+
 local pool = {}
 local registered_nodes
 local max_xp = 2^31-1
@@ -262,7 +268,6 @@ function mcl_experience.add_experience(player, experience)
 	if #final_candidates > 0 then
 		local can = final_candidates[math.random(#final_candidates)]
 		local stack, list, index, wear = can.stack, can.list, can.index, can.wear
-		local unbreaking_level = mcl_enchanting.get_enchantment(stack, "unbreaking")
 		local uses = mcl_util.calculate_durability(stack)
 		local multiplier = 2 * 65535 / uses
 		local repair = experience * multiplier
@@ -329,14 +334,12 @@ minetest.register_on_dieplayer(function(player)
 	mcl_experience.throw_experience(player:get_pos(), xp_amount)
 end)
 
-
-local name
 local collector, pos, pos2
 local direction, distance, player_velocity, goal
 local currentvel, acceleration, multiplier, velocity
 local node, vel, def
 local is_moving, is_slippery, slippery, slip_factor
-local size, data
+local size
 local function xp_step(self, dtime)
 	--if item set to be collected then only execute go to player
 	if self.collected == true then

mods/HUD/mcl_inventory/creative.lua

@@ -7,7 +7,7 @@ local players = {}
 -- Containing all the items for each Creative Mode tab
 local inventory_lists = {}
 
-local mod_player = minetest.get_modpath("mcl_player") ~= nil
+--local mod_player = minetest.get_modpath("mcl_player") ~= nil
 
 -- Create tables
 local builtin_filter_ids = {"blocks","deco","redstone","rail","food","tools","combat","mobs","brew","matr","misc","all"}
@@ -161,7 +161,7 @@ end
 
 local function init(player)
 	local playername = player:get_player_name()
-	local inv = minetest.create_detached_inventory("creative_"..playername, {
+	minetest.create_detached_inventory("creative_"..playername, {
 		allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
 			if minetest.is_creative_enabled(playername) then
 				return count
@@ -203,7 +203,7 @@ local offset = {} -- string offset:
 local boffset = {} --
 local hoch = {}
 local filtername = {}
-local bg = {}
+--local bg = {}
 
 local noffset_x_start = -0.24
 local noffset_x = noffset_x_start
@@ -257,7 +257,6 @@ hoch["mobs"] = "_down"
 hoch["matr"] = "_down"
 hoch["inv"] = "_down"
 
-filtername = {}
 filtername["blocks"] = S("Building Blocks")
 filtername["deco"] = S("Decoration Blocks")
 filtername["redstone"] = S("Redstone")
@@ -272,9 +271,9 @@ filtername["brew"] = S("Brewing")
 filtername["matr"] = S("Materials")
 filtername["inv"] = S("Survival Inventory")
 
-local dark_bg = "crafting_creative_bg_dark.png"
+--local dark_bg = "crafting_creative_bg_dark.png"
 
-local function reset_menu_item_bg()
+--[[local function reset_menu_item_bg()
 	bg["blocks"] = dark_bg
 	bg["deco"] = dark_bg
 	bg["redstone"] = dark_bg
@@ -289,11 +288,11 @@ local function reset_menu_item_bg()
 	bg["matr"] = dark_bg
 	bg["inv"] = dark_bg
 	bg["default"] = dark_bg
-end
+end]]
 
 
 mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, inv_size, show, page, filter)
-	reset_menu_item_bg()
+	--reset_menu_item_bg()
 	pagenum = math.floor(pagenum) or 1
 
 	local playername = player:get_player_name()
@@ -310,7 +309,6 @@ mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, inv_siz
 	end
 	local pagemax = math.max(1, math.floor((inv_size-1) / (9*5) + 1))
 	local name = "nix"
-	local formspec = ""
 	local main_list
 	local listrings = "listring[detached:creative_"..playername..";main]"..
 		"listring[current_player;main]"..
@@ -322,7 +320,7 @@ mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, inv_siz
 			players[playername].page = page
 		end
 	end
-	bg[name] = "crafting_creative_bg.png"
+	--bg[name] = "crafting_creative_bg.png"
 
 		local inv_bg = "crafting_inventory_creative.png"
 		if name == "inv" then
@@ -428,7 +426,7 @@ mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, inv_siz
 			caption = "label[0,1.2;"..F(minetest.colorize("#313131", filtername[name])).."]"
 		end
 
-		formspec = "size[10,9.3]"..
+		local formspec = "size[10,9.3]"..
 			"no_prepend[]"..
 			mcl_vars.gui_nonbg..mcl_vars.gui_bg_color..
 			"background[-0.19,-0.25;10.5,9.87;"..inv_bg.."]"..
@@ -560,7 +558,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	end
 
 	-- Figure out current scroll bar from formspec
-	local formspec = player:get_inventory_formspec()
+	--local formspec = player:get_inventory_formspec()
 
 	local start_i = players[name].start_i
 
@@ -628,7 +626,7 @@ if minetest.is_creative_enabled("") then
 	end
 
 	mcl_inventory.update_inventory_formspec = function(player)
-		local page = nil
+		local page
 
 		local name = player:get_player_name()
 
@@ -639,7 +637,7 @@ if minetest.is_creative_enabled("") then
 		end
 
 		-- Figure out current scroll bar from formspec
-		local formspec = player:get_inventory_formspec()
+		--local formspec = player:get_inventory_formspec()
 		local start_i = players[name].start_i
 
 		local inv_size

mods/HUD/mcl_inventory/init.lua

@@ -3,8 +3,8 @@ local F = minetest.formspec_escape
 
 mcl_inventory = {}
 
-local mod_player = minetest.get_modpath("mcl_player") ~= nil
-local mod_craftguide = minetest.get_modpath("mcl_craftguide") ~= nil
+--local mod_player = minetest.get_modpath("mcl_player") ~= nil
+--local mod_craftguide = minetest.get_modpath("mcl_craftguide") ~= nil
 
 -- Returns a single itemstack in the given inventory to the main inventory, or drop it when there's no space left
 function return_item(itemstack, dropper, pos, inv)
@@ -60,8 +60,6 @@ local function set_inventory(player, armor_change_only)
 	inv:set_width("craft", 2)
 	inv:set_size("craft", 4)
 
-	local player_name = player:get_player_name()
-
 	-- Show armor and player image
 	local player_preview
 	if minetest.settings:get_bool("3d_player_preview", true) then
@@ -180,6 +178,6 @@ minetest.register_on_joinplayer(function(player)
 end)
 
 if minetest.is_creative_enabled("") then
-	dofile(minetest.get_modpath("mcl_inventory").."/creative.lua")
+	dofile(minetest.get_modpath(minetest.get_current_modname()).."/creative.lua")
 end
 

mods/HUD/mcl_inventory/mod.conf

@@ -1,6 +1,6 @@
 name = mcl_inventory
 author = BlockMen
 description = Adds the player inventory and creative inventory.
-depends = mcl_init, mcl_formspec
-optional_depends = mcl_player, _mcl_autogroup, mcl_armor, mcl_brewing, mcl_potions, mcl_enchanting
+depends = mcl_init, mcl_formspec, mcl_player
+optional_depends = _mcl_autogroup, mcl_armor, mcl_brewing, mcl_potions, mcl_enchanting, mcl_craftguide
 

mods/ITEMS/REDSTONE/mcl_comparators/init.lua

@@ -217,14 +217,14 @@ if minetest.get_modpath("screwdriver") then
 end
 
 for _, mode in pairs{"comp", "sub"} do
-for _, state in pairs{mesecon.state.on, mesecon.state.off} do
+	for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 		local state_str = state_strs[state]
 		local nodename =
-		"mcl_comparators:comparator_"..state_strs[state].."_"..mode
+			"mcl_comparators:comparator_"..state_str.."_"..mode
 
 		-- Help
 		local longdesc, usagehelp, use_help
-	if state_strs[state] == "off" and mode == "comp" then
+		if state_str == "off" and mode == "comp" then
 			longdesc = S("Redstone comparators are multi-purpose redstone components.").."\n"..
 			S("They can transmit a redstone signal, detect whether a block contains any items and compare multiple signals.")
 
@@ -245,9 +245,9 @@ for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 			_doc_items_longdesc = longdesc,
 			_doc_items_usagehelp = usagehelp,
 			drawtype = "nodebox",
-		tiles = get_tiles(state_strs[state], mode),
+			tiles = get_tiles(state_str, mode),
 			use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
-		wield_image = "mcl_comparators_off.png",
+			--wield_image = "mcl_comparators_off.png",
 			walkable = true,
 			selection_box = collision_box,
 			collision_box = collision_box,
@@ -263,7 +263,7 @@ for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 			drop = 'mcl_comparators:comparator_off_comp',
 			on_construct = update_self,
 			on_rightclick =
-			make_rightclick_handler(state_strs[state], mode),
+				make_rightclick_handler(state_str, mode),
 			comparator_mode = mode,
 			comparator_onstate = "mcl_comparators:comparator_on_"..mode,
 			comparator_offstate = "mcl_comparators:comparator_off_"..mode,
@@ -287,7 +287,7 @@ for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 		else
 			nodedef.groups = table.copy(nodedef.groups)
 			nodedef.groups.not_in_creative_inventory = 1
-		local extra_desc = {}
+			--local extra_desc = {}
 			if mode == "sub" or state == mesecon.state.on then
 				nodedef.inventory_image = nil
 			end
@@ -304,7 +304,7 @@ for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 
 		minetest.register_node(nodename, nodedef)
 		mcl_wip.register_wip_item(nodename)
-end
+	end
 end
 
 -- Register recipies

mods/ITEMS/REDSTONE/mcl_dispensers/init.lua

@@ -96,7 +96,8 @@ local dispenserdef = {
 	end,
 	_mcl_blast_resistance = 3.5,
 	_mcl_hardness = 3.5,
-	mesecons = {effector = {
+	mesecons = {
+		effector = {
 			-- Dispense random item when triggered
 			action_on = function (pos, node)
 				local meta = minetest.get_meta(pos)
@@ -166,7 +167,7 @@ local dispenserdef = {
 					elseif igroups.spawn_egg then
 						-- Spawn mob
 						if not dropnodedef.walkable then
-						pointed_thing = { above = droppos, under = { x=droppos.x, y=droppos.y-1, z=droppos.z } }
+							--pointed_thing = { above = droppos, under = { x=droppos.x, y=droppos.y-1, z=droppos.z } }
 							minetest.add_entity(droppos, stack:get_name())
 
 							stack:take_item()
@@ -214,7 +215,8 @@ local dispenserdef = {
 				end
 			end,
 			rules = mesecon.rules.alldirs,
-	}},
+		},
+	},
 	on_rotate = on_rotate,
 }
 

mods/ITEMS/REDSTONE/mcl_observers/init.lua

@@ -11,7 +11,7 @@ local realtime = true
 local rules_flat = {
 	{ x = 0, y = 0, z = -1, spread = true },
 }
-local get_rules_flat = function(node)
+local function get_rules_flat(node)
 	local rules = rules_flat
 	for i=1, node.param2 do
 		rules = mesecon.rotate_rules_left(rules)
@@ -46,7 +46,7 @@ end
 -- and update the observer state if needed.
 -- TODO: Also scan metadata changes.
 -- TODO: Ignore some node changes.
-local observer_scan = function(pos, initialize)
+local function observer_scan(pos, initialize)
 	local node = minetest.get_node(pos)
 	local front
 	if node.name == "mcl_observers:observer_up_off" or node.name == "mcl_observers:observer_up_on" then
@@ -87,14 +87,14 @@ local observer_scan = function(pos, initialize)
 end
 
 -- Vertical orientation (CURRENTLY DISABLED)
-local observer_orientate = function(pos, placer)
+local function observer_orientate(pos, placer)
 	-- Not placed by player
 	if not placer then return end
 
 	-- Placer pitch in degrees
 	local pitch = placer:get_look_vertical() * (180 / math.pi)
 
-	local node = minetest.get_node(pos)
+	--local node = minetest.get_node(pos)
 	if pitch > 55 then -- player looking upwards
 		-- Observer looking downwards
 		minetest.set_node(pos, {name="mcl_observers:observer_down_off"})
@@ -104,16 +104,14 @@ local observer_orientate = function(pos, placer)
 	end
 end
 
-mesecon.register_node("mcl_observers:observer",
-{
+mesecon.register_node("mcl_observers:observer", {
 		is_ground_content = false,
 		sounds = mcl_sounds.node_sound_stone_defaults(),
 		paramtype2 = "facedir",
 		on_rotate = false,
 		_mcl_blast_resistance = 3.5,
 		_mcl_hardness = 3.5,
-},
-{
+	}, {
 		description = S("Observer"),
 		_tt_help = S("Emits redstone pulse when block in front changes"),
 		_doc_items_longdesc = S("An observer is a redstone component which observes the block in front of it and sends a very short redstone pulse whenever this block changes."),
@@ -125,18 +123,19 @@ mesecon.register_node("mcl_observers:observer",
 			"mcl_observers_observer_side.png", "mcl_observers_observer_side.png",
 			"mcl_observers_observer_front.png", "mcl_observers_observer_back.png",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.off,
 				rules = get_rules_flat,
-	}},
+			},
+		},
 		on_construct = function(pos)
 			if not realtime then
 				observer_scan(pos, true)
 			end
 		end,
 		after_place_node = observer_orientate,
-},
-{
+	}, {
 		_doc_items_create_entry = false,
 		groups = {pickaxey=1, material_stone=1, not_opaque=1, not_in_creative_inventory=1 },
 		tiles = {
@@ -144,10 +143,12 @@ mesecon.register_node("mcl_observers:observer",
 			"mcl_observers_observer_side.png", "mcl_observers_observer_side.png",
 			"mcl_observers_observer_front.png", "mcl_observers_observer_back_lit.png",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.on,
 				rules = get_rules_flat,
-	}},
+			}
+		},
 
 		-- VERY quickly disable observer after construction
 		on_construct = function(pos)
@@ -159,11 +160,10 @@ mesecon.register_node("mcl_observers:observer",
 			minetest.set_node(pos, {name = "mcl_observers:observer_off", param2 = node.param2})
 			mesecon.receptor_off(pos, get_rules_flat(node))
 		end,
-}
+	}
 )
 
-mesecon.register_node("mcl_observers:observer_down",
-{
+mesecon.register_node("mcl_observers:observer_down", {
 		is_ground_content = false,
 		sounds = mcl_sounds.node_sound_stone_defaults(),
 		groups = {pickaxey=1, material_stone=1, not_opaque=1, not_in_creative_inventory=1 },
@@ -171,34 +171,36 @@ mesecon.register_node("mcl_observers:observer_down",
 		_mcl_blast_resistance = 3.5,
 		_mcl_hardness = 3.5,
 		drop = "mcl_observers:observer_off",
-},
-{
+	}, {
 		tiles = {
 			"mcl_observers_observer_back.png", "mcl_observers_observer_front.png",
 			"mcl_observers_observer_side.png^[transformR90", "mcl_observers_observer_side.png^[transformR90",
 			"mcl_observers_observer_top.png", "mcl_observers_observer_top.png",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.off,
 				rules = rules_down,
-	}},
+			},
+		},
 		on_construct = function(pos)
 			if not realtime then
 				observer_scan(pos, true)
 			end
 		end,
-},
-{
+	}, {
 		_doc_items_create_entry = false,
 		tiles = {
 			"mcl_observers_observer_back_lit.png", "mcl_observers_observer_front.png",
 			"mcl_observers_observer_side.png^[transformR90", "mcl_observers_observer_side.png^[transformR90",
 			"mcl_observers_observer_top.png", "mcl_observers_observer_top.png",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.on,
 				rules = rules_down,
-	}},
+			},
+		},
 
 		-- VERY quickly disable observer after construction
 		on_construct = function(pos)
@@ -210,10 +212,10 @@ mesecon.register_node("mcl_observers:observer_down",
 			minetest.set_node(pos, {name = "mcl_observers:observer_down_off", param2 = node.param2})
 			mesecon.receptor_off(pos, rules_down)
 		end,
-})
+	}
+)
 
-mesecon.register_node("mcl_observers:observer_up",
-{
+mesecon.register_node("mcl_observers:observer_up", {
 		is_ground_content = false,
 		sounds = mcl_sounds.node_sound_stone_defaults(),
 		groups = {pickaxey=1, material_stone=1, not_opaque=1, not_in_creative_inventory=1 },
@@ -221,34 +223,36 @@ mesecon.register_node("mcl_observers:observer_up",
 		_mcl_blast_resistance = 3.5,
 		_mcl_hardness = 3.5,
 		drop = "mcl_observers:observer_off",
-},
-{
+	}, {
 		tiles = {
 			"mcl_observers_observer_front.png", "mcl_observers_observer_back.png",
 			"mcl_observers_observer_side.png^[transformR270", "mcl_observers_observer_side.png^[transformR270",
 			"mcl_observers_observer_top.png^[transformR180", "mcl_observers_observer_top.png^[transformR180",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.off,
 				rules = rules_up,
-	}},
+			},
+		},
 		on_construct = function(pos)
 			if not realtime then
 				observer_scan(pos, true)
 			end
 		end,
-},
-{
+	}, {
 		_doc_items_create_entry = false,
 		tiles = {
 			"mcl_observers_observer_front.png", "mcl_observers_observer_back_lit.png",
 			"mcl_observers_observer_side.png^[transformR270", "mcl_observers_observer_side.png^[transformR270",
 			"mcl_observers_observer_top.png^[transformR180", "mcl_observers_observer_top.png^[transformR180",
 		},
-	mesecons = { receptor = {
+		mesecons = {
+			receptor = {
 				state = mesecon.state.on,
 				rules = rules_up,
-	}},
+			},
+		},
 
 		-- VERY quickly disable observer after construction
 		on_construct = function(pos)
@@ -259,7 +263,8 @@ mesecon.register_node("mcl_observers:observer_up",
 			minetest.set_node(pos, {name = "mcl_observers:observer_up_off"})
 			mesecon.receptor_off(pos, rules_up)
 		end,
-})
+	}
+)
 
 minetest.register_craft({
 	output = "mcl_observers:observer_off",
@@ -267,7 +272,7 @@ minetest.register_craft({
 		{ "mcl_core:cobble", "mcl_core:cobble", "mcl_core:cobble" },
 		{ "mcl_nether:quartz", "mesecons:redstone", "mesecons:redstone" },
 		{ "mcl_core:cobble", "mcl_core:cobble", "mcl_core:cobble" },
-	}
+	},
 })
 minetest.register_craft({
 	output = "mcl_observers:observer_off",
@@ -275,7 +280,7 @@ minetest.register_craft({
 		{ "mcl_core:cobble", "mcl_core:cobble", "mcl_core:cobble" },
 		{ "mesecons:redstone", "mesecons:redstone", "mcl_nether:quartz" },
 		{ "mcl_core:cobble", "mcl_core:cobble", "mcl_core:cobble" },
-	}
+	},
 })
 
 if realtime then

mods/ITEMS/REDSTONE/mesecons/internal.lua

@@ -329,7 +329,7 @@ function mesecon.get_conductor_on(node_off, rulename)
 			return conductor.states[tonumber(binstate,2)+1]
 		end
 	end
-	return offstate
+	return conductor.offstate
 end
 
 function mesecon.get_conductor_off(node_on, rulename)
@@ -345,7 +345,7 @@ function mesecon.get_conductor_off(node_on, rulename)
 			return conductor.states[tonumber(binstate,2)+1]
 		end
 	end
-	return onstate
+	return conductor.onstate
 end
 
 function mesecon.conductor_get_rules(node)
@@ -391,9 +391,7 @@ function mesecon.turnon(pos, link)
 		local f = table.remove(frontiers, 1)
 		local node = get_node_force(f.pos)
 
-		if not node then
-			-- Area does not exist; do nothing
-		elseif mesecon.is_conductor_off(node, f.link) then
+		if node and mesecon.is_conductor_off(node, f.link) then
 			local rules = mesecon.conductor_get_rules(node)
 
 			-- Call turnon on neighbors
@@ -453,9 +451,7 @@ function mesecon.turnoff(pos, link)
 		local f = table.remove(frontiers, 1)
 		local node = get_node_force(f.pos)
 
-		if not node then
-			-- No-op
-		elseif mesecon.is_conductor_on(node, f.link) then
+		if node and mesecon.is_conductor_on(node, f.link) then
 			local rules = mesecon.conductor_get_rules(node)
 			for _, r in pairs(mesecon.rule2meta(f.link, rules)) do
 				local np = vector.add(f.pos, r)

mods/ITEMS/REDSTONE/mesecons/services.lua

@@ -77,7 +77,7 @@ mesecon.on_dignode = function(pos, node)
 		mesecon.receptor_off(pos, mesecon.receptor_get_rules(node))
 	end
 	if minetest.get_item_group(node.name, "opaque") == 1 then
-		local sources = mesecon.is_powered(pos)
+		--local sources = mesecon.is_powered(pos)
 		local neighbors = mesecon.mcl_get_neighbors(pos)
 		for n=1, #neighbors do
 			local npos = neighbors[n].pos

mods/ITEMS/REDSTONE/mesecons_commandblock/init.lua

@@ -72,7 +72,7 @@ end
 local function check_commands(commands, player_name)
 	for _, command in pairs(commands:split("\n")) do
 		local pos = command:find(" ")
-		local cmd, param = command, ""
+		local cmd = command
 		if pos then
 			cmd = command:sub(1, pos - 1)
 		end

mods/ITEMS/REDSTONE/mesecons_delayer/init.lua

@@ -4,7 +4,7 @@ local DELAYS = { 0.1, 0.2, 0.3, 0.4 }
 local DEFAULT_DELAY = DELAYS[1]
 
 -- Function that get the input/output rules of the delayer
-local delayer_get_output_rules = function(node)
+local function delayer_get_output_rules(node)
 	local rules = {{x = -1, y = 0, z = 0, spread=true}}
 	for i = 0, node.param2 do
 		rules = mesecon.rotate_rules_left(rules)
@@ -12,7 +12,7 @@ local delayer_get_output_rules = function(node)
 	return rules
 end
 
-local delayer_get_input_rules = function(node)
+local function delayer_get_input_rules(node)
 	local rules = {{x = 1, y = 0, z = 0}}
 	for i = 0, node.param2 do
 		rules = mesecon.rotate_rules_left(rules)
@@ -22,7 +22,7 @@ end
 
 -- Return the sides of a delayer.
 -- Those are used to toggle the lock state.
-local delayer_get_sides = function(node)
+local function delayer_get_sides(node)
 	local rules = {
 		{x = 0, y = 0, z = -1},
 		{x = 0, y = 0, z =  1},
@@ -35,7 +35,7 @@ end
 
 -- Make the repeater at pos try to lock any repeater it faces.
 -- Returns true if a repeater was locked.
-local check_lock_repeater = function(pos, node)
+local function check_lock_repeater(pos, node)
 	-- Check the repeater at pos and look if it faces
 	-- a repeater placed sideways.
 	-- If yes, lock the second repeater.
@@ -67,7 +67,7 @@ end
 
 -- Make the repeater at pos try to unlock any repeater it faces.
 -- Returns true if a repeater was unlocked.
-local check_unlock_repeater = function(pos, node)
+local function check_unlock_repeater(pos, node)
 	-- Check the repeater at pos and look if it faces
 	-- a repeater placed sideways.
 	-- If yes, also check if the second repeater doesn't receive
@@ -119,21 +119,19 @@ local check_unlock_repeater = function(pos, node)
 end
 
 -- Functions that are called after the delay time
-local delayer_activate = function(pos, node)
+local function delayer_activate(pos, node)
 	local def = minetest.registered_nodes[node.name]
 	local time = def.delayer_time
 	minetest.set_node(pos, {name=def.delayer_onstate, param2=node.param2})
 	mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(node)}, time, nil)
-
 	check_lock_repeater(pos, node)
 end
 
-local delayer_deactivate = function(pos, node)
+local function delayer_deactivate(pos, node)
 	local def = minetest.registered_nodes[node.name]
 	local time = def.delayer_time
 	minetest.set_node(pos, {name=def.delayer_offstate, param2=node.param2})
 	mesecon.queue:add_action(pos, "receptor_off", {delayer_get_output_rules(node)}, time, nil)
-
 	check_unlock_repeater(pos, node)
 end
 
@@ -145,44 +143,44 @@ end
 -- Register the 2 (states) x 4 (delay times) delayers
 
 for i = 1, 4 do
-local groups = {}
-if i == 1 then 
+	local groups
+	if i == 1 then
 		groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i}
-else
+	else
 		groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i,not_in_creative_inventory=1}
-end
+	end
 
-local delaytime = DELAYS[i]
+	local delaytime = DELAYS[i]
 
-local boxes
-if i == 1 then
-boxes = {
+	local boxes
+	if i == 1 then
+		boxes = {
 			{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },		-- the main slab
 			{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16},     -- still torch
 			{ -1/16, -6/16, 0/16, 1/16, -1/16, 2/16},     -- moved torch
-}
-elseif i == 2 then
-boxes = {
+		}
+	elseif i == 2 then
+		boxes = {
 			{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },		-- the main slab
 			{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16},     -- still torch
 			{ -1/16, -6/16, -2/16, 1/16, -1/16, 0/16},     -- moved torch
-}
-elseif i == 3 then
-boxes = {
+		}
+	elseif i == 3 then
+		boxes = {
 			{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },		-- the main slab
 			{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16},     -- still torch
 			{ -1/16, -6/16, -4/16, 1/16, -1/16, -2/16},     -- moved torch
-}
-elseif i == 4 then
-boxes = {
+		}
+	elseif i == 4 then
+		boxes = {
 			{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },		-- the main slab
 			{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16},     -- still torch
 			{ -1/16, -6/16, -6/16, 1/16, -1/16, -4/16},     -- moved torch
-}
-end
+		}
+	end
 
-local help, tt, longdesc, usagehelp, icon, on_construct
-if i == 1 then
+	local help, tt, longdesc, usagehelp, icon, on_construct
+	if i == 1 then
 		help = true
 		tt = S("Transmits redstone power only in one direction").."\n"..
 			S("Delays signal").."\n"..
@@ -191,7 +189,6 @@ if i == 1 then
 		usagehelp = S("To power a redstone repeater, send a signal in “arrow” direction (the input). The signal goes out on the opposite side (the output) with a delay. To change the delay, use the redstone repeater. The delay is between 0.1 and 0.4 seconds long and can be changed in steps of 0.1 seconds. It is indicated by the position of the moving redstone torch.").."\n"..
 				S("To lock a repeater, send a signal from an adjacent repeater into one of its sides. While locked, the moving redstone torch disappears, the output doesn't change and the input signal is ignored.")
 		icon = "mesecons_delayer_item.png"
-
 		-- Check sides of constructed repeater and lock it, if required
 		on_construct = function(pos)
 			local node = minetest.get_node(pos)
@@ -219,18 +216,18 @@ if i == 1 then
 				end
 			end
 		end
-else
+	else
 		help = false
-end
+	end
 
-local desc_off
-if i == 1 then
+	local desc_off
+	if i == 1 then
 		desc_off = S("Redstone Repeater")
-else
+	else
 		desc_off = S("Redstone Repeater (Delay @1)", i)
-end
+	end
 
-minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
+	minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 		description = desc_off,
 		inventory_image = icon,
 		wield_image = icon,
@@ -248,7 +245,7 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 			"mesecons_delayer_ends_off.png",
 		},
 		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
-	wield_image = "mesecons_delayer_off.png",
+		--wield_image = "mesecons_delayer_off.png",
 		walkable = true,
 		selection_box = {
 			type = "fixed",
@@ -290,22 +287,19 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 		delayer_lockstate = "mesecons_delayer:delayer_off_locked",
 		sounds = mcl_sounds.node_sound_stone_defaults(),
 		mesecons = {
-		receptor =
-		{
+			receptor = {
 				state = mesecon.state.off,
-			rules = delayer_get_output_rules
+				rules = delayer_get_output_rules,
 			},
-		effector =
-		{
+			effector = {
 				rules = delayer_get_input_rules,
-			action_on = delayer_activate
-		}
+				action_on = delayer_activate,
+			},
 		},
 		on_rotate = on_rotate,
-})
+	})
 
-
-minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
+	minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 		description = S("Redstone Repeater (Delay @1, Powered)", i),
 		_doc_items_create_entry = false,
 		drawtype = "nodebox",
@@ -343,6 +337,7 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 				minetest.record_protection_violation(pos, protname)
 				return
 			end
+			--HACK! we already know the node name, so we should generate the function to avoid multiple checks
 			if node.name=="mesecons_delayer:delayer_on_1" then
 				minetest.set_node(pos, {name="mesecons_delayer:delayer_on_2",param2=node.param2})
 			elseif node.name=="mesecons_delayer:delayer_on_2" then
@@ -361,20 +356,17 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 		delayer_lockstate = "mesecons_delayer:delayer_on_locked",
 		sounds = mcl_sounds.node_sound_stone_defaults(),
 		mesecons = {
-		receptor =
-		{
+			receptor = {
 				state = mesecon.state.on,
-			rules = delayer_get_output_rules
+				rules = delayer_get_output_rules,
 			},
-		effector =
-		{
+			effector = {
 				rules = delayer_get_input_rules,
-			action_off = delayer_deactivate
-		}
+				action_off = delayer_deactivate,
+			},
 		},
 		on_rotate = on_rotate,
-})
-
+	})
 end
 
 

mods/ITEMS/REDSTONE/mesecons_mvps/init.lua

@@ -1,3 +1,5 @@
+local table = table
+
 --register stoppers for movestones/pistons
 
 mesecon.mvps_stoppers = {}
@@ -6,8 +8,6 @@ mesecon.mvps_droppers = {}
 mesecon.on_mvps_move = {}
 mesecon.mvps_unmov = {}
 
-local is_protected = minetest.is_protected
-
 --- Objects (entities) that cannot be moved
 function mesecon.register_mvps_unmov(objectname)
 	mesecon.mvps_unmov[objectname] = true;
@@ -151,6 +151,7 @@ function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
 			-- add connected nodes to frontiers, connected is a vector list
 			-- the vectors must be absolute positions
 			local connected = {}
+            local has_loop
 			if minetest.registered_nodes[nn.name]
 			and minetest.registered_nodes[nn.name].mvps_sticky then
 				connected, has_loop = minetest.registered_nodes[nn.name].mvps_sticky(np, nn, piston_pos)
@@ -258,7 +259,7 @@ function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, player_name,
 		n.meta = minetest.get_meta(n.pos):to_table()
 		local is_dropper = mesecon.is_mvps_dropper(n.node, movedir, nodes, id)
 		if is_dropper then
-			local drops = minetest.get_node_drops(n.node.name, "")
+			--local drops = minetest.get_node_drops(n.node.name, "")
 			minetest.dig_node(n.pos)
 		else
 			minetest.remove_node(n.pos)

mods/ITEMS/REDSTONE/mesecons_pistons/init.lua

@@ -2,29 +2,36 @@ local S = minetest.get_translator("mesecons_pistons")
 
 local PISTON_MAXIMUM_PUSH = 12
 
--- Get mesecon rules of pistons
-local piston_rules =
-{{x=0,  y=0,  z=1}, --everything apart from z- (pusher side)
+--Get mesecon rules of pistons
+
+--everything apart from z- (pusher side)
+local piston_rules = {
+	{x=0,  y=0,  z=1},
 	{x=1,  y=0,  z=0},
 	{x=-1, y=0,  z=0},
 	{x=0,  y=1,  z=0},
- {x=0,  y=-1, z=0}}
+	{x=0,  y=-1, z=0},
+}
 
-local piston_up_rules =
-{{x=0,  y=0,  z=-1}, --everything apart from y+ (pusher side)
+--everything apart from y+ (pusher side)
+local piston_up_rules = {
+	{x=0,  y=0,  z=-1},
 	{x=0,  y=0,  z=1},
 	{x=-1, y=0,  z=0},
 	{x=1,  y=0,  z=0},
- {x=0,  y=-1, z=0}}
+	{x=0,  y=-1, z=0},
+}
 
-local piston_down_rules =
-{{x=0,  y=0,  z=-1}, --everything apart from y- (pusher side)
+--everything apart from y- (pusher side)
+local piston_down_rules = {
+	{x=0,  y=0,  z=-1},
 	{x=0,  y=0,  z=1},
 	{x=-1,  y=0,  z=0},
 	{x=1,  y=0,  z=0},
- {x=0,  y=1, z=0}}
+	{x=0,  y=1, z=0},
+}
 
-local piston_get_rules = function (node)
+local function piston_get_rules(node)
 	local rules = piston_rules
 	for i = 1, node.param2 do
 		rules = mesecon.rotate_rules_left(rules)
@@ -32,7 +39,7 @@ local piston_get_rules = function (node)
 	return rules
 end
 
-local piston_facedir_direction = function (node)
+local function piston_facedir_direction(node)
 	local rules = {{x = 0, y = 0, z = -1}}
 	for i = 1, node.param2 do
 		rules = mesecon.rotate_rules_left(rules)
@@ -40,7 +47,7 @@ local piston_facedir_direction = function (node)
 	return rules[1]
 end
 
-local piston_get_direction = function (dir, node)
+local function piston_get_direction(dir, node)
 	if type(dir) == "function" then
 		return dir(node)
 	else
@@ -50,7 +57,7 @@ end
 
 -- Remove pusher of piston.
 -- To be used when piston was destroyed or dug.
-local piston_remove_pusher = function (pos, oldnode)
+local function piston_remove_pusher(pos, oldnode)
 	local pistonspec = minetest.registered_nodes[oldnode.name].mesecons_piston
 
 	local dir = piston_get_direction(pistonspec.dir, oldnode)
@@ -70,7 +77,7 @@ end
 
 -- Remove base node of piston.
 -- To be used when pusher was destroyed.
-local piston_remove_base = function (pos, oldnode)
+local function piston_remove_base(pos, oldnode)
 	local basenodename = minetest.registered_nodes[oldnode.name].corresponding_piston
 	local pistonspec = minetest.registered_nodes[basenodename].mesecons_piston
 
@@ -89,7 +96,7 @@ local piston_remove_base = function (pos, oldnode)
 	end
 end
 
-local piston_on = function (pos, node)
+local function piston_on(pos, node)
 	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
 
 	local dir = piston_get_direction(pistonspec.dir, node)
@@ -113,7 +120,7 @@ local piston_on = function (pos, node)
 	end
 end
 
-local piston_off = function (pos, node)
+local function piston_off(pos, node)
 	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
 	minetest.swap_node(pos, {param2 = node.param2, name = pistonspec.offname})
 	piston_remove_pusher (pos, node)
@@ -124,13 +131,13 @@ local piston_off = function (pos, node)
 	local dir = piston_get_direction(pistonspec.dir, node)
 	local pullpos = vector.add(pos, vector.multiply(dir, 2))
 	local meta = minetest.get_meta(pos)
-	local success, stack, oldstack = mesecon.mvps_pull_single(pullpos, vector.multiply(dir, -1), PISTON_MAXIMUM_PUSH, meta:get_string("owner"), pos)
+	local success, stack = mesecon.mvps_pull_single(pullpos, vector.multiply(dir, -1), PISTON_MAXIMUM_PUSH, meta:get_string("owner"), pos)
 	if success then
 		mesecon.mvps_process_stack(pos, dir, stack)
 	end
 end
 
-local piston_orientate = function (pos, placer)
+local function piston_orientate(pos, placer)
 	mesecon.mvps_set_owner(pos, placer)
 
 	-- not placed by player
@@ -158,14 +165,14 @@ local piston_pusher_box = {
 	fixed = {
 		{-2/16, -2/16, -.5 + pt, 2/16, 2/16,  .5 + pt},
 		{-.5  , -.5  , -.5     , .5  , .5  , -.5 + pt},
-	}
+	},
 }
 
 local piston_on_box = {
 	type = "fixed",
 	fixed = {
 		{-.5, -.5, -.5 + pt, .5, .5, .5}
-	}
+	},
 }
 
 
@@ -196,17 +203,19 @@ minetest.register_node("mesecons_pistons:piston_normal_off", {
 		"mesecons_piston_back.png",
 		"mesecons_piston_pusher_front.png"
 	},
-	groups = {handy = 1, piston=1},
+	groups = {handy=1, piston=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
 	after_place_node = piston_orientate,
 	mesecons_piston = pistonspec_normal,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_get_rules
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = function(pos, node, user, mode)
@@ -228,7 +237,7 @@ minetest.register_node("mesecons_pistons:piston_normal_on", {
 		"mesecons_piston_back.png",
 		"mesecons_piston_on_front.png"
 	},
-	groups = {handy=1, piston=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -238,10 +247,12 @@ minetest.register_node("mesecons_pistons:piston_normal_on", {
 	selection_box = piston_on_box,
 	mesecons_piston = pistonspec_normal,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_get_rules
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -260,7 +271,7 @@ minetest.register_node("mesecons_pistons:piston_pusher_normal", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 1 },
+	groups = {piston_pusher=1},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -307,10 +318,12 @@ minetest.register_node("mesecons_pistons:piston_sticky_off", {
 	after_place_node = piston_orientate,
 	mesecons_piston = pistonspec_sticky,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_get_rules
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = function(pos, node, user, mode)
@@ -332,7 +345,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_on", {
 		"mesecons_piston_back.png",
 		"mesecons_piston_on_front.png"
 	},
-	groups = {handy=1, piston=2, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=2, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -342,10 +355,12 @@ minetest.register_node("mesecons_pistons:piston_sticky_on", {
 	selection_box = piston_on_box,
 	mesecons_piston = pistonspec_sticky,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_get_rules
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -364,7 +379,7 @@ minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 2 },
+	groups = {piston_pusher=2},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -388,14 +403,14 @@ local piston_up_pusher_box = {
 	fixed = {
 		{-2/16, -.5 - pt, -2/16, 2/16, .5 - pt, 2/16},
 		{-.5  ,  .5 - pt, -.5  , .5  , .5     ,   .5},
-	}
+	},
 }
 
 local piston_up_on_box = {
 	type = "fixed",
 	fixed = {
 		{-.5, -.5, -.5 , .5, .5-pt, .5}
-	}
+	},
 }
 
 -- Normal
@@ -404,7 +419,7 @@ local pistonspec_normal_up = {
 	offname = "mesecons_pistons:piston_up_normal_off",
 	onname = "mesecons_pistons:piston_up_normal_on",
 	dir = {x = 0, y = 1, z = 0},
-	pusher = "mesecons_pistons:piston_up_pusher_normal"
+	pusher = "mesecons_pistons:piston_up_pusher_normal",
 }
 
 -- offstate
@@ -417,16 +432,18 @@ minetest.register_node("mesecons_pistons:piston_up_normal_off", {
 		"mesecons_piston_bottom.png",
 		"mesecons_piston_bottom.png",
 	},
-	groups = {handy=1, piston=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
 	drop = "mesecons_pistons:piston_normal_off",
 	mesecons_piston = pistonspec_normal_up,
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_up_rules,
-	}},
+		},
+	},
 	sounds = mcl_sounds.node_sound_stone_defaults({
 		footstep = mcl_sounds.node_sound_wood_defaults().footstep
 	}),
@@ -452,7 +469,7 @@ minetest.register_node("mesecons_pistons:piston_up_normal_on", {
 		"mesecons_piston_bottom.png",
 		"mesecons_piston_bottom.png",
 	},
-	groups = {handy=1, piston_=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston_=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -462,10 +479,12 @@ minetest.register_node("mesecons_pistons:piston_up_normal_on", {
 	selection_box = piston_up_on_box,
 	mesecons_piston = pistonspec_normal_up,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_up_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -484,7 +503,7 @@ minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 1 },
+	groups = {piston_pusher=1},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -507,7 +526,7 @@ local pistonspec_sticky_up = {
 	onname = "mesecons_pistons:piston_up_sticky_on",
 	dir = {x = 0, y = 1, z = 0},
 	pusher = "mesecons_pistons:piston_up_pusher_sticky",
-	sticky = true
+	sticky = true,
 }
 
 -- offstate
@@ -520,7 +539,7 @@ minetest.register_node("mesecons_pistons:piston_up_sticky_off", {
 		"mesecons_piston_bottom.png",
 		"mesecons_piston_bottom.png",
 	},
-	groups = {handy=1, piston=2, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=2, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -529,10 +548,12 @@ minetest.register_node("mesecons_pistons:piston_up_sticky_off", {
 	sounds = mcl_sounds.node_sound_stone_defaults({
 		footstep = mcl_sounds.node_sound_wood_defaults().footstep
 	}),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_up_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = function(pos, node, user, mode)
@@ -555,7 +576,7 @@ minetest.register_node("mesecons_pistons:piston_up_sticky_on", {
 		"mesecons_piston_bottom.png",
 		"mesecons_piston_bottom.png",
 	},
-	groups = {handy=1, piston=2, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=2, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -565,10 +586,12 @@ minetest.register_node("mesecons_pistons:piston_up_sticky_on", {
 	selection_box = piston_up_on_box,
 	mesecons_piston = pistonspec_sticky_up,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_up_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -587,7 +610,7 @@ minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 2 },
+	groups = {piston_pusher=2},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -611,14 +634,14 @@ local piston_down_pusher_box = {
 	fixed = {
 		{-2/16, -.5 + pt, -2/16, 2/16,  .5 + pt, 2/16},
 		{-.5  , -.5     , -.5  , .5  , -.5 + pt,   .5},
-	}
+	},
 }
 
 local piston_down_on_box = {
 	type = "fixed",
 	fixed = {
 		{-.5, -.5+pt, -.5 , .5, .5, .5}
-	}
+	},
 }
 
 
@@ -642,17 +665,19 @@ minetest.register_node("mesecons_pistons:piston_down_normal_off", {
 		"mesecons_piston_bottom.png^[transformR180",
 		"mesecons_piston_bottom.png^[transformR180",
 	},
-	groups = {handy=1, piston=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
 	drop = "mesecons_pistons:piston_normal_off",
 	mesecons_piston = pistonspec_normal_down,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_down_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = function(pos, node, user, mode)
@@ -675,7 +700,7 @@ minetest.register_node("mesecons_pistons:piston_down_normal_on", {
 		"mesecons_piston_bottom.png^[transformR180",
 		"mesecons_piston_bottom.png^[transformR180",
 	},
-	groups = {handy=1, piston=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -685,10 +710,12 @@ minetest.register_node("mesecons_pistons:piston_down_normal_on", {
 	selection_box = piston_down_on_box,
 	mesecons_piston = pistonspec_normal_down,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_down_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -707,7 +734,7 @@ minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 1 },
+	groups = {piston_pusher=1},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -727,7 +754,7 @@ local pistonspec_sticky_down = {
 	offname = "mesecons_pistons:piston_down_sticky_off",
 	dir = {x = 0, y = -1, z = 0},
 	pusher = "mesecons_pistons:piston_down_pusher_sticky",
-	sticky = true
+	sticky = true,
 }
 
 -- offstate
@@ -747,10 +774,12 @@ minetest.register_node("mesecons_pistons:piston_down_sticky_off", {
 	drop = "mesecons_pistons:piston_sticky_off",
 	mesecons_piston = pistonspec_sticky_down,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_on = piston_on,
 			rules = piston_down_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = function(pos, node, user, mode)
@@ -773,7 +802,7 @@ minetest.register_node("mesecons_pistons:piston_down_sticky_on", {
 		"mesecons_piston_bottom.png^[transformR180",
 		"mesecons_piston_bottom.png^[transformR180",
 	},
-	groups = {handy=1, piston=1, not_in_creative_inventory = 1},
+	groups = {handy=1, piston=1, not_in_creative_inventory=1},
 	paramtype = "light",
 	paramtype2 = "facedir",
 	is_ground_content = false,
@@ -783,10 +812,12 @@ minetest.register_node("mesecons_pistons:piston_down_sticky_on", {
 	selection_box = piston_down_on_box,
 	mesecons_piston = pistonspec_sticky_down,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
-	mesecons = {effector={
+	mesecons = {
+		effector = {
 			action_off = piston_off,
 			rules = piston_down_rules,
-	}},
+		},
+	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	on_rotate = false,
@@ -805,7 +836,7 @@ minetest.register_node("mesecons_pistons:piston_down_pusher_sticky", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = { piston_pusher = 2 },
+	groups = {piston_pusher=2},
 	is_ground_content = false,
 	after_destruct = piston_remove_base,
 	diggable = false,
@@ -839,7 +870,7 @@ minetest.register_craft({
 		{"group:wood", "group:wood", "group:wood"},
 		{"mcl_core:cobble", "mcl_core:iron_ingot", "mcl_core:cobble"},
 		{"mcl_core:cobble", "mesecons:redstone", "mcl_core:cobble"},
-	}
+	},
 })
 
 minetest.register_craft({
@@ -847,7 +878,7 @@ minetest.register_craft({
 	recipe = {
 		{"mcl_mobitems:slimeball"},
 		{"mesecons_pistons:piston_normal_off"},
-	}
+	},
 })
 
 -- Add entry aliases for the Help

mods/ITEMS/REDSTONE/mesecons_wires/init.lua

@@ -33,7 +33,7 @@ local wire_getconnect = function (from_pos, self_pos)
 	if minetest.registered_nodes[node.name]
 	and minetest.registered_nodes[node.name].mesecons then
 		-- rules of node to possibly connect to
-		local rules = {}
+		local rules
 		if (minetest.registered_nodes[node.name].mesecon_wire) then
 			rules = wire_rules
 		else
@@ -214,8 +214,7 @@ local function register_wires()
 		local dot_off = "redstone_redstone_dust_dot.png^[colorize:#FF0000:"..ratio_off
 		local dot_on = "redstone_redstone_dust_dot.png^[colorize:#FF0000:"..ratio_on
 
-		local tiles_off = { crossing_off, crossing_off, straight0_off, straight1_off, straight0_off, straight1_off }
-		local tiles_on = { crossing_on, crossing_on, straight0_on, straight1_on, straight0_on, straight1_on }
+		local tiles_off, tiles_on
 
 		local wirehelp, tt, longdesc, usagehelp, img, desc_off, desc_on
 		if nodeid == "00000000" then
@@ -238,8 +237,8 @@ S("Read the help entries on the other redstone components to learn how redstone
 		else
 			-- Connected redstone wire
 			table.insert(nodebox, box_center)
-			tiles_off = { crossing_off, crossing_off, straight0_off, straight1_off, straight0_off, straight1_off, }
-			tiles_on = { crossing_on, crossing_on, straight0_on, straight1_on, straight0_on, straight1_on, }
+			tiles_off = { crossing_off, crossing_off, straight0_off, straight1_off, straight0_off, straight1_off }
+			tiles_on = { crossing_on, crossing_on, straight0_on, straight1_on, straight0_on, straight1_on }
 			wirehelp = false
 			desc_off = S("Redstone Trail (@1)", nodeid)
 			desc_on = S("Powered Redstone Trail (@1)", nodeid)

mods/ITEMS/mcl_anvils/init.lua

@@ -41,7 +41,7 @@ end
 -- needs to be used up to repair the tool.
 local function get_consumed_materials(tool, material)
 	local wear = tool:get_wear()
-	local health = (MAX_WEAR - wear)
+	--local health = (MAX_WEAR - wear)
 	local matsize = material:get_count()
 	local materials_used = 0
 	for m=1, math.min(4, matsize) do
@@ -74,10 +74,9 @@ end
 local function update_anvil_slots(meta)
 	local inv = meta:get_inventory()
 	local new_name = meta:get_string("set_name")
-	local input1, input2, output
-	input1 = inv:get_stack("input", 1)
-	input2 = inv:get_stack("input", 2)
-	output = inv:get_stack("output", 1)
+	local input1 = inv:get_stack("input", 1)
+	local input2 = inv:get_stack("input", 2)
+	--local output = inv:get_stack("output", 1)
 	local new_output, name_item
 	local just_rename = false
 
@@ -243,7 +242,6 @@ end
 -- Returns true if anvil was destroyed.
 local function damage_anvil(pos)
 	local node = minetest.get_node(pos)
-	local new
 	if node.name == "mcl_anvils:anvil" then
 		minetest.swap_node(pos, {name="mcl_anvils:anvil_damage_1", param2=node.param2})
 		damage_particles(pos, node)
@@ -278,7 +276,6 @@ local function damage_anvil_by_using(pos)
 end
 
 local function damage_anvil_by_falling(pos, distance)
-	local chance
 	local r = math.random(1, 100)
 	if distance > 1 then
 		if r <= (5*distance) then

mods/ITEMS/mcl_banners/patterncraft.lua

@@ -426,7 +426,6 @@ local banner_pattern_craft = function(itemstack, player, old_craft_grid, craft_i
 					if (pitem == d and minetest.get_item_group(itemname, "dye") == 0) or (pitem == e and itemname ~= e and inv_i ~= banner_index) then
 						pattern_ok = false
 						break
-					else
 					end
 					inv_i = inv_i + 1
 					if inv_i > max_i then

mods/ITEMS/mcl_beds/api.lua

@@ -48,7 +48,9 @@ local function rotate(pos, node, user, mode, new_param2)
 		return false
 	end
 
-	local new_dir, newp = minetest_facedir_to_dir(new_param2)
+	local newp
+	local new_dir = minetest_facedir_to_dir(new_param2)
+
 	if bottom then
 		 newp = vector_add(pos, new_dir)
 	else
@@ -153,7 +155,7 @@ function mcl_beds.register_bed(name, def)
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		stack_max = 1,
-		groups = {handy=1, flammable = 3, bed = 1, dig_by_piston=1, bouncy=66, fall_damage_add_percent=-50, deco_block = 1, flammable=-1},
+		groups = {handy=1, bed = 1, dig_by_piston=1, bouncy=66, fall_damage_add_percent=-50, deco_block = 1, flammable=-1},
 		_mcl_hardness = 0.2,
 		_mcl_blast_resistance = 1,
 		sounds = def.sounds or default_sounds,

mods/ITEMS/mcl_beds/functions.lua

@@ -319,14 +319,14 @@ function mcl_beds.on_rightclick(pos, player, is_top)
 
 	-- move to bed
 	if not mcl_beds.player[name] then
-		local success, message
+		local message
 		if is_top then
-			success, message = lay_down(player, ppos, pos)
+			message = select(2, lay_down(player, ppos, pos))
 		else
 			local node = minetest.get_node(pos)
 			local dir = minetest.facedir_to_dir(node.param2)
 			local other = vector.add(pos, dir)
-			success, message = lay_down(player, ppos, other)
+			message = select(2, lay_down(player, ppos, other))
 		end
 		if message then
 			mcl_tmp_message.message(player, message)

mods/ITEMS/mcl_books/init.lua

@@ -238,11 +238,9 @@ minetest.register_craft_predict(function(itemstack, player, old_craft_grid, craf
 	end
 
 	local original
-	local index
 	for i = 1, player:get_inventory():get_size("craft") do
 		if old_craft_grid[i]:get_name() == "mcl_books:written_book" then
 			original = old_craft_grid[i]
-			index = i
 		end
 	end
 	if not original then

mods/ITEMS/mcl_bows/arrow.lua

@@ -1,29 +1,32 @@
 local S = minetest.get_translator("mcl_bows")
 
+local math = math
+local vector = vector
+
 -- Time in seconds after which a stuck arrow is deleted
 local ARROW_TIMEOUT = 60
 -- Time after which stuck arrow is rechecked for being stuck
 local STUCK_RECHECK_TIME = 5
 
-local GRAVITY = 9.81
+--local GRAVITY = 9.81
 
 local YAW_OFFSET = -math.pi/2
 
-local dir_to_pitch = function(dir)
-	local dir2 = vector.normalize(dir)
+local function dir_to_pitch(dir)
+	--local dir2 = vector.normalize(dir)
 	local xz = math.abs(dir.x) + math.abs(dir.z)
 	return -math.atan2(-dir.y, xz)
 end
 
-local random_arrow_positions = function(positions, placement)
-	if positions == 'x' then
+local function random_arrow_positions(positions, placement)
+	if positions == "x" then
 		return math.random(-4, 4)
-	elseif positions == 'y' then
+	elseif positions == "y" then
 		return math.random(0, 10)
 	end
-	if placement == 'front' and positions == 'z' then
+	if placement == "front" and positions == "z" then
 		return 3
-	elseif placement == 'back' and positions == 'z' then
+	elseif placement == "back" and positions == "z" then
 		return -3
 	end
 	return 0
@@ -257,12 +260,12 @@ ARROW_ENTITY.on_step = function(self, dtime)
 								damage_groups={fleshy=self._damage},
 							}, self.object:get_velocity())
 							if obj:is_player() then
-								local placement = ''
+								local placement
 								self._placement = math.random(1, 2)
 								if self._placement == 1 then
-									placement = 'front'
+									placement = "front"
 								else
-									placement = 'back'
+									placement = "back"
 								end
 								self._in_player = true
 								if self._placement == 2 then
@@ -393,7 +396,7 @@ ARROW_ENTITY.on_step = function(self, dtime)
 			if not v then
 				v = 0
 			end
-			local old_v = self._viscosity
+			--local old_v = self._viscosity
 			self._viscosity = v
 			local vpenalty = math.max(0.1, 0.98 - 0.1 * v)
 			if math.abs(vel.x) > 0.001 then

mods/ITEMS/mcl_bows/bow.lua

@@ -228,11 +228,10 @@ end
 
 controls.register_on_release(function(player, key, time)
 	if key~="RMB" then return end
-	local inv = minetest.get_inventory({type="player", name=player:get_player_name()})
+	--local inv = minetest.get_inventory({type="player", name=player:get_player_name()})
 	local wielditem = player:get_wielded_item()
 	if (wielditem:get_name()=="mcl_bows:bow_0" or wielditem:get_name()=="mcl_bows:bow_1" or wielditem:get_name()=="mcl_bows:bow_2" or
 		wielditem:get_name()=="mcl_bows:bow_0_enchanted" or wielditem:get_name()=="mcl_bows:bow_1_enchanted" or wielditem:get_name()=="mcl_bows:bow_2_enchanted") then
-		local has_shot = false
 
 		local enchanted = mcl_enchanting.is_enchanted(wielditem:get_name())
 		local speed, damage
@@ -272,7 +271,7 @@ controls.register_on_release(function(player, key, time)
 			damage = math.max(1, math.floor(9 * charge_ratio))
 		end
 
-		has_shot = player_shoot_arrow(wielditem, player, speed, damage, is_critical)
+		local has_shot = player_shoot_arrow(wielditem, player, speed, damage, is_critical)
 
 		if enchanted then
 			wielditem:set_name("mcl_bows:bow_enchanted")
@@ -299,7 +298,7 @@ controls.register_on_hold(function(player, key, time)
 	if key ~= "RMB" or not (creative or get_arrow(player)) then
 		return
 	end
-	local inv = minetest.get_inventory({type="player", name=name})
+	--local inv = minetest.get_inventory({type="player", name=name})
 	local wielditem = player:get_wielded_item()
 	if bow_load[name] == nil and (wielditem:get_name()=="mcl_bows:bow" or wielditem:get_name()=="mcl_bows:bow_enchanted") and wielditem:get_meta():get("active") and (creative or get_arrow(player)) then
 		local enchanted = mcl_enchanting.is_enchanted(wielditem:get_name())
@@ -346,7 +345,7 @@ minetest.register_globalstep(function(dtime)
 		local name = player:get_player_name()
 		local wielditem = player:get_wielded_item()
 		local wieldindex = player:get_wield_index()
-		local controls = player:get_player_control()
+		--local controls = player:get_player_control()
 		if type(bow_load[name]) == "number" and ((wielditem:get_name()~="mcl_bows:bow_0" and wielditem:get_name()~="mcl_bows:bow_1" and wielditem:get_name()~="mcl_bows:bow_2" and wielditem:get_name()~="mcl_bows:bow_0_enchanted" and wielditem:get_name()~="mcl_bows:bow_1_enchanted" and wielditem:get_name()~="mcl_bows:bow_2_enchanted") or wieldindex ~= bow_index[name]) then
 			reset_bow_state(player, true)
 		end

mods/ITEMS/mcl_brewing/init.lua

@@ -61,14 +61,14 @@ local brewing_formspec = "size[9,8.75]"..
 	"listring[context;stand]"
 
 
-local function swap_node(pos, name)
+--[[local function swap_node(pos, name)
 	local node = minetest.get_node(pos)
 	if node.name == name then
 		return
 	end
 	node.name = name
 	minetest.swap_node(pos, node)
-end
+end]]
 
 
 local function brewable(inv)
@@ -110,12 +110,13 @@ local function brewing_stand_timer(pos, elapsed)
 	local BREW_TIME = 20 -- all brews brew the same
 	local BURN_TIME = BREW_TIME * 10
 
-	local input_item = meta:get_string("input_item") or ""
+	--local input_item = meta:get_string("input_item") or ""
 	local stand_timer = meta:get_float("stand_timer") or 0
 	local fuel = meta:get_float("fuel") or 0
 	local inv = meta:get_inventory()
 
-	local input_list, stand_list, fuel_list, brew_output, d
+	--local input_list, stand_list, fuel_list
+	local brew_output, d
 	local input_count, fuel_name, fuel_count, formspec, fuel_percent, brew_percent
 
 	local update = true
@@ -124,9 +125,9 @@ local function brewing_stand_timer(pos, elapsed)
 
 		update = false
 
-		input_list = inv:get_list("input")
-		stand_list = inv:get_list("stand")
-		fuel_list = inv:get_list("fuel")
+		--input_list = inv:get_list("input")
+		--stand_list = inv:get_list("stand")
+		--fuel_list = inv:get_list("fuel")
 
 		-- TODO ... fix this.  Goal is to reset the process if the stand changes
 		-- for i=1, inv:get_size("stand", i) do -- reset the process due to change
@@ -237,7 +238,7 @@ local function brewing_stand_timer(pos, elapsed)
 end
 
 
-local function allow_metadata_inventory_put(pos, listname, index, stack, player)
+--[[local function allow_metadata_inventory_put(pos, listname, index, stack, player)
 	local name = player:get_player_name()
 	if minetest.is_protected(pos, name) then
 		minetest.record_protection_violation(pos, name)
@@ -273,7 +274,7 @@ local function allow_metadata_inventory_put(pos, listname, index, stack, player)
 	elseif listname == "stand" then
 		return 0
 	end
-end
+end]]
 
 
 -- Drop input items of brewing_stand at pos with metadata meta
@@ -315,12 +316,14 @@ local doc_string =
 	S("When you have found a good combination, the brewing will commence automatically and steam starts to appear, using up the fuel and brewing material. The potions will soon be ready.").."\n"..
 	S("Different combinations of brewing materials and liquids will give different results. Try to experiment!")
 
-local tiles = {"mcl_brewing_top.png", 	--top
+local tiles = {
+	"mcl_brewing_top.png", 	--top
 	"mcl_brewing_base.png", 	--bottom
 	"mcl_brewing_side.png", 	--right
 	"mcl_brewing_side.png", 	--left
 	"mcl_brewing_side.png", 	--back
-	 "mcl_brewing_side.png^[transformFX"} --front
+	"mcl_brewing_side.png^[transformFX",   --front
+}
 
 local allow_put = function(pos, listname, index, stack, player)
 	local name = player:get_player_name()
@@ -349,11 +352,11 @@ local on_put = function(pos, listname, index, stack, player)
 	--some code here to enforce only potions getting placed on stands
 end
 
-local after_dig = function(pos, oldnode, oldmetadata, digger)
+--[[local after_dig = function(pos, oldnode, oldmetadata, digger)
 	local meta = minetest.get_meta(pos)
 	meta:from_table(oldmetadata)
 	drop_brewing_stand_items(pos, meta)
-end
+end]]
 
 local on_destruct = function(pos)
 	local meta = minetest.get_meta(pos)

mods/ITEMS/mcl_buckets/init.lua

@@ -9,7 +9,7 @@ minetest.register_alias("bucket:bucket_lava", "mcl_buckets:bucket_lava")
 
 local mod_doc = minetest.get_modpath("doc")
 local mod_mcl_core = minetest.get_modpath("mcl_core")
-local mod_mclx_core = minetest.get_modpath("mclx_core")
+--local mod_mclx_core = minetest.get_modpath("mclx_core")
 
 local vector = vector
 local math = math

mods/ITEMS/mcl_buckets/register.lua

@@ -10,12 +10,12 @@ local sound_place = function(itemname, pos)
 	end
 end
 
-local sound_take = function(itemname, pos)
+--[[local sound_take = function(itemname, pos)
 	local def = minetest.registered_nodes[itemname]
 	if def and def.sounds and def.sounds.dug then
 		minetest.sound_play(def.sounds.dug, {gain=1.0, pos = pos, pitch = 1 + math.random(-10, 10)*0.005}, true)
 	end
-end
+end]]
 
 if mod_mcl_core then
 	-- Lava bucket

mods/ITEMS/mcl_chests/init.lua

@@ -162,13 +162,14 @@ Value:
     Otherwise: nil ]]
 local open_chests = {}
 
-local function back_is_blocked(pos, dir)
+--[[local function back_is_blocked(pos, dir)
 	pos = vector.add(pos, dir)
 	local def = minetest.registered_nodes[minetest.get_node(pos).name]
 	pos.y = pos.y + 1
 	local def2 = minetest.registered_nodes[minetest.get_node(pos).name]
 	return not def or def.groups.opaque == 1 or not def2 or def2.groups.opaque == 1
-end
+end]]
+
 -- To be called if a player opened a chest
 local player_chest_open = function(player, pos, node_name, textures, param2, double, sound, mesh, shulker)
 	local name = player:get_player_name()
@@ -696,7 +697,6 @@ minetest.register_node("mcl_chests:"..basename.."_right", {
 
 		minetest.swap_node(p, { name = small_name, param2 = param2 })
 		create_entity(p, small_name, small_textures, param2, false, "default_chest", "mcl_chests_chest", "chest")
-		local meta = minetest.get_meta(pos)
 	end,
 	after_dig_node = drop_items_chest,
 	on_blast = on_chest_blast,
@@ -898,7 +898,7 @@ register_chest("trapped_chest_on",
 	"trapped_chest"
 )
 
-local function close_if_trapped_chest(pos, player)
+--[[local function close_if_trapped_chest(pos, player)
 	local node = minetest.get_node(pos)
 
 	if node.name == "mcl_chests:trapped_chest_on_small" then
@@ -928,7 +928,7 @@ local function close_if_trapped_chest(pos, player)
 
 		player_chest_close(player)
 	end
-end
+end]]
 
 -- Disable chest when it has been closed
 minetest.register_on_player_receive_fields(function(player, formname, fields)
@@ -1330,7 +1330,6 @@ minetest.register_craft({
 
 -- Save metadata of shulker box when used in crafting
 minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
-	local new = itemstack:get_name()
 	if minetest.get_item_group(itemstack:get_name(), "shulker_box") ~= 1 then
 		return
 	end

mods/ITEMS/mcl_clock/init.lua

@@ -96,8 +96,6 @@ minetest.register_globalstep(function(dtime)
 
 	for p, player in pairs(minetest.get_connected_players()) do
 		for s, stack in pairs(player:get_inventory():get_list("main")) do
-			local dim = mcl_worlds.pos_to_dimension(player:get_pos())
-
 			local frame
 			-- Clocks do not work in certain zones
 			if not mcl_worlds.clock_works(player:get_pos()) then

mods/ITEMS/mcl_compass/init.lua

@@ -4,7 +4,8 @@ mcl_compass = {}
 
 local compass_frames = 32
 
-local default_spawn_settings = minetest.settings:get("static_spawnpoint")
+--Not sure spawn point should be dymanic (is it in mc?)
+--local default_spawn_settings = minetest.settings:get("static_spawnpoint")
 
 -- Timer for random compass spinning
 local random_timer = 0
@@ -79,7 +80,9 @@ for i,img in ipairs(images) do
 	if i == stereotype_frame then
 		inv = 0
 	end
-	local use_doc, longdesc, usagehelp, tt
+	local use_doc, longdesc, tt
+    --Why is there no usage help? This should be fixed.
+    --local usagehelp
 	use_doc = i == stereotype_frame
 	if use_doc then
 		tt = S("Points to the world origin")
@@ -91,7 +94,7 @@ for i,img in ipairs(images) do
 		_tt_help = tt,
 		_doc_items_create_entry = use_doc,
 		_doc_items_longdesc = longdesc,
-		_doc_items_usagehelp = usagehelp,
+		--_doc_items_usagehelp = usagehelp,
 		inventory_image = img,
 		wield_image = img,
 		stack_max = 64,

mods/ITEMS/mcl_core/craftitems.lua

@@ -28,7 +28,6 @@ minetest.register_craftitem("mcl_core:coal_lump", {
 	description = S("Coal"),
 	_doc_items_longdesc = S("“Coal” refers to coal lumps obtained by digging coal ore which can be found underground. Coal is your standard furnace fuel, but it can also be used to make torches, coal blocks and a few other things."),
 	_doc_items_hidden = false,
-	groups = { coal=1 },
 	inventory_image = "default_coal_lump.png",
 	stack_max = 64,
 	groups = { craftitem=1, coal=1 },
@@ -38,7 +37,6 @@ minetest.register_craftitem("mcl_core:charcoal_lump", {
 	description = S("Charcoal"),
 	_doc_items_longdesc = S("Charcoal is an alternative furnace fuel created by cooking wood in a furnace. It has the same burning time as coal and also shares many of its crafting recipes, but it can not be used to create coal blocks."),
 	_doc_items_hidden = false,
-	groups = { coal=1 },
 	inventory_image = "mcl_core_charcoal.png",
 	stack_max = 64,
 	groups = { craftitem=1, coal=1 },

mods/ITEMS/mcl_core/functions.lua

@@ -23,8 +23,8 @@ minetest.register_abm({
 		local lavatype = minetest.registered_nodes[node.name].liquidtype
 
 		for w=1, #water do
-			local waternode = minetest.get_node(water[w])
-			local watertype = minetest.registered_nodes[waternode.name].liquidtype
+			--local waternode = minetest.get_node(water[w])
+			--local watertype = minetest.registered_nodes[waternode.name].liquidtype
 			-- Lava on top of water: Water turns into stone
 			if water[w].y < pos.y and water[w].x == pos.x and water[w].z == pos.z then
 				minetest.set_node(water[w], {name="mcl_core:stone"})
@@ -336,13 +336,12 @@ end
 -- oak tree.
 function mcl_core.generate_tree(pos, tree_type, options)
 	pos.y = pos.y-1
-	local nodename = minetest.get_node(pos).name
+	--local nodename = minetest.get_node(pos).name
 
 	pos.y = pos.y+1
 	if not minetest.get_node_light(pos) then
 		return
 	end
-	local node
 
 	local two_by_two = options and options.two_by_two
 	local balloon = options and options.balloon
@@ -390,7 +389,7 @@ end
 function mcl_core.generate_v6_oak_tree(pos)
 	local trunk = "mcl_core:tree"
 	local leaves = "mcl_core:leaves"
-	local node = {name = ""}
+	local node
 	for dy=1,4 do
 		pos.y = pos.y+dy
 		if minetest.get_node(pos).name ~= "air" then
@@ -409,10 +408,10 @@ function mcl_core.generate_v6_oak_tree(pos)
 
 	node = {name = leaves}
 	pos.y = pos.y+3
-	local rarity = 0
+	--[[local rarity = 0
 	if math.random(0, 10) == 3 then
 		rarity = 1
-	end
+	end]]
 	for dx=-2,2 do
 		for dz=-2,2 do
 			for dy=0,3 do
@@ -787,7 +786,6 @@ minetest.register_abm({
 		if pos == nil then
 			return
 		end
-		local can_change = false
 		local above = {x=pos.x, y=pos.y+1, z=pos.z}
 		local abovenode = minetest.get_node(above)
 		if minetest.get_item_group(abovenode.name, "liquid") ~= 0 or minetest.get_item_group(abovenode.name, "opaque") == 1 then
@@ -1021,7 +1019,7 @@ local sapling_grow_action = function(tree_id, soil_needed, one_by_one, two_by_tw
 			if one_by_one and check_tree_growth(pos, tree_id) then
 				-- Single sapling
 				minetest.set_node(pos, {name="air"})
-				local r = math.random(1, 12)
+				--local r = math.random(1, 12)
 				mcl_core.generate_tree(pos, tree_id)
 				return
 			end
@@ -1418,7 +1416,7 @@ minetest.register_abm({
 			for s=1, #surround do
 				local spos = vector.add(p0, surround[s])
 				local maybe_vine = minetest.get_node(spos)
-				local surround_inverse = vector.multiply(surround[s], -1)
+				--local surround_inverse = vector.multiply(surround[s], -1)
 				if maybe_vine.name == "mcl_core:vine" and (not mcl_core.check_vines_supported(spos, maybe_vine)) then
 					minetest.remove_node(spos)
 					vinedecay_particles(spos, maybe_vine)

mods/ITEMS/mcl_core/nodes_base.lua

@@ -990,9 +990,8 @@ for i=1,8 do
 			local itemcount = itemstack:get_count()
 			local fakestack = ItemStack(itemstring.." "..itemcount)
 			fakestack:set_name("mcl_core:snow_"..math.min(8, (i+g)))
-			local success
-			itemstack, success = minetest.item_place(fakestack, placer, pointed_thing)
-			minetest.sound_play(mcl_sounds.node_sound_snow_defaults().place, {pos = below}, true)
+			itemstack = minetest.item_place(fakestack, placer, pointed_thing)
+			minetest.sound_play(mcl_sounds.node_sound_snow_defaults().place, {pos = pointed_thing.under}, true)
 			itemstack:set_name(itemstring)
 			return itemstack
 		end

mods/ITEMS/mcl_core/nodes_climb.lua

@@ -120,7 +120,6 @@ minetest.register_node("mcl_core:vine", {
 		local node = minetest.get_node(under)
 		local def = minetest.registered_nodes[node.name]
 		if not def then return itemstack end
-		local groups = def.groups
 
 		-- Check special rightclick action of pointed node
 		if def and def.on_rightclick then

mods/ITEMS/mcl_core/nodes_liquid.lua

@@ -3,7 +3,10 @@
 local S = minetest.get_translator("mcl_core")
 local N = function(s) return s end
 
-local WATER_ALPHA = 179
+local vector = vector
+local math = math
+
+--local WATER_ALPHA = 179
 local WATER_VISC = 1
 local LAVA_VISC = 7
 local LIGHT_LAVA = minetest.LIGHT_MAX
@@ -215,7 +218,7 @@ local emit_lava_particle = function(pos)
 		return
 	end
 	local ppos = vector.add(pos, { x = math.random(-7, 7)/16, y = 0.45, z = math.random(-7, 7)/16})
-	local spos = vector.add(ppos, { x = 0, y = -0.2, z = 0 })
+	--local spos = vector.add(ppos, { x = 0, y = -0.2, z = 0 })
 	local vel = { x = math.random(-3, 3)/10, y = math.random(4, 7), z = math.random(-3, 3)/10 }
 	local acc = { x = 0, y = -9.81, z = 0 }
 	-- Lava droplet

mods/ITEMS/mcl_core/nodes_misc.lua

@@ -39,7 +39,6 @@ minetest.register_node("mcl_core:slimeblock", {
 		type = "regular",
 	},
 	tiles = {"mcl_core_slime.png"},
-	paramtype = "light",
 	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "blend" or true,
 	stack_max = 64,
 	-- According to Minecraft Wiki, bouncing off a slime block from a height off 255 blocks should result in a bounce height of 50 blocks

mods/ITEMS/mcl_core/nodes_trees.lua

@@ -107,7 +107,6 @@ local register_wooden_planks = function(subname, description, tiles)
 end
 
 local register_leaves = function(subname, description, longdesc, tiles, sapling, drop_apples, sapling_chances, leafdecay_distance)
-	local drop
 	if leafdecay_distance == nil then
 		leafdecay_distance = 4
 	end

mods/ITEMS/mcl_doors/api_trapdoors.lua

@@ -98,13 +98,11 @@ function mcl_doors:register_trapdoor(name, def)
 	if not usagehelp and not def.only_redstone_can_open then
 		usagehelp = S("To open or close this trapdoor, rightclick it or send a redstone signal to it.")
 	end
-	if not tt_help then
     if def.only_redstone_can_open then
         tt_help = S("Openable by redstone power")
     else
         tt_help = S("Openable by players and redstone power")
     end
-	end
 
 	-- Closed trapdoor
 
@@ -164,7 +162,7 @@ function mcl_doors:register_trapdoor(name, def)
 
 			local fpos = get_fpos(placer, pointed_thing)
 
-			local origname = itemstack:get_name()
+			--local origname = itemstack:get_name()
 			if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
 					or (fpos < -0.5 and fpos > -0.999999999) then
 				param2 = param2 + 20

mods/ITEMS/mcl_enchanting/engine.lua

@@ -250,7 +250,7 @@ local function get_after_use_callback(itemdef)
 			itemstack:add_wear(digparams.wear)
 		end
 
-		local enchantments = mcl_enchanting.get_enchantments(itemstack)
+		--local enchantments = mcl_enchanting.get_enchantments(itemstack)
 		mcl_enchanting.update_groupcaps(itemstack)
 	end
 end
@@ -292,7 +292,7 @@ end
 function mcl_enchanting.get_possible_enchantments(itemstack, enchantment_level, treasure)
 	local possible_enchantments, weights, accum_weight = {}, {}, 0
 	for enchantment, enchantment_def in pairs(mcl_enchanting.enchantments) do
-		local supported, _, _, primary = mcl_enchanting.can_enchant(itemstack, enchantment, 1)
+		local _, _, _, primary = mcl_enchanting.can_enchant(itemstack, enchantment, 1)
 		if primary or treasure then
 			table.insert(possible_enchantments, enchantment)
 			accum_weight = accum_weight + enchantment_def.weight

mods/ITEMS/mcl_enchanting/init.lua

@@ -1,6 +1,9 @@
 local modpath = minetest.get_modpath("mcl_enchanting")
 local S = minetest.get_translator("mcl_enchanting")
 
+local math = math
+local vector = vector
+
 mcl_enchanting = {
 	book_offset = vector.new(0, 0.75, 0),
 	book_animations = {["close"] = 1, ["opening"] = 2, ["open"] = 3, ["closing"] = 4},
@@ -122,7 +125,7 @@ minetest.register_chatcommand("forceenchant", {
 			return false, S("Player '@1' cannot be found.", target_name)
 		end
 		local itemstack = target:get_wielded_item()
-		local can_enchant, errorstring, extra_info = mcl_enchanting.can_enchant(itemstack, enchantment, level)
+		local _, errorstring = mcl_enchanting.can_enchant(itemstack, enchantment, level)
 		if errorstring == "enchantment invalid" then
 			return false, S("There is no such enchantment '@1'.", enchantment)
 		elseif errorstring == "item missing" then
@@ -242,9 +245,9 @@ minetest.register_node("mcl_enchanting:table", {
 	on_rotate = rotate,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local player_meta = clicker:get_meta()
-		local table_meta = minetest.get_meta(pos)
-		local num_bookshelves = table_meta:get_int("mcl_enchanting:num_bookshelves")
-		local table_name = table_meta:get_string("name")
+		--local table_meta = minetest.get_meta(pos)
+		--local num_bookshelves = table_meta:get_int("mcl_enchanting:num_bookshelves")
+		local table_name = minetest.get_meta(pos):get_string("name")
 		if table_name == "" then
 			table_name = S("Enchant")
 		end

mods/ITEMS/mcl_end/chorus_plant.lua

@@ -29,7 +29,7 @@ local no_detach = {}
 
 -- This detaches all chorus plants that are/were attached
 -- at start_pos.
-mcl_end.detach_chorus_plant = function(start_pos, digger)
+function mcl_end.detach_chorus_plant(start_pos, digger)
 	-- This node should not call a detach function, do NOTHING
 	local hash = minetest.hash_node_position(start_pos)
 	if no_detach[hash] ~= nil then
@@ -106,11 +106,11 @@ mcl_end.detach_chorus_plant = function(start_pos, digger)
 	no_detach = {}
 end
 
-mcl_end.check_detach_chorus_plant = function(pos, oldnode, oldmetadata, digger)
+function mcl_end.check_detach_chorus_plant(pos, oldnode, oldmetadata, digger)
 	mcl_end.detach_chorus_plant(pos, digger)
 end
 
-mcl_end.check_blast_chorus_plant = function(pos)
+function mcl_end.check_blast_chorus_plant(pos)
 	minetest.remove_node(pos)
 	mcl_end.detach_chorus_plant(pos)
 end
@@ -139,7 +139,7 @@ minetest.register_node("mcl_end:chorus_flower", {
 	node_placement_prediction = "",
 	on_place = function(itemstack, placer, pointed_thing)
 		local node_under = minetest.get_node(pointed_thing.under)
-		local node_above = minetest.get_node(pointed_thing.above)
+		--local node_above = minetest.get_node(pointed_thing.above)
 		if placer and not placer:get_player_control().sneak then
 			-- Use pointed node's on_rightclick function first, if present
 			if minetest.registered_nodes[node_under.name] and minetest.registered_nodes[node_under.name].on_rightclick then
@@ -309,7 +309,7 @@ minetest.register_node("mcl_end:chorus_plant", {
 })
 
 -- Grow a complete chorus plant at pos
-mcl_end.grow_chorus_plant = function(pos, node, pr)
+function mcl_end.grow_chorus_plant(pos, node, pr)
 	local flowers = { pos }
 	-- Plant initial flower (if it isn't there already)
 	if not node then
@@ -340,7 +340,7 @@ end
 
 -- Grow a single step of a chorus plant at pos.
 -- Pos must be a chorus flower.
-mcl_end.grow_chorus_plant_step = function(pos, node, pr)
+function mcl_end.grow_chorus_plant_step(pos, node, pr)
 	local new_flower_buds = {}
 	local above = { x = pos.x, y = pos.y + 1, z = pos.z }
 	local node_above = minetest.get_node(above)
@@ -408,7 +408,6 @@ mcl_end.grow_chorus_plant_step = function(pos, node, pr)
 				elseif branching == true then
 					branches = pr:next(0, 3)
 				end
-				local branch_grown = false
 				for b=1, branches do
 					local next_branch = pr:next(1, #around)
 					local branch = vector.add(pos, around[next_branch])

mods/ITEMS/mcl_end/end_crystal.lua

@@ -1,5 +1,7 @@
 local S = minetest.get_translator("mcl_end")
 
+local vector = vector
+
 local explosion_strength = 6
 
 local directions = {
@@ -45,7 +47,7 @@ local function set_crystal_animation(self)
 end
 
 local function spawn_crystal(pos)
-	local crystal = minetest.add_entity(pos, "mcl_end:crystal")
+	minetest.add_entity(pos, "mcl_end:crystal")
 	if not vector.equals(pos, vector.floor(pos)) then return end
 	if mcl_worlds.pos_to_dimension(pos) ~= "end" then return end
 	local portal_center

mods/ITEMS/mcl_farming/shared_functions.lua

@@ -161,7 +161,7 @@ function mcl_farming:place_seed(itemstack, placer, pointed_thing, plantname)
 	if string.find(farmland.name, "mcl_farming:soil") and string.find(place_s.name, "air")  then
 		minetest.sound_play(minetest.registered_nodes[plantname].sounds.place, {pos = pos}, true)
 		minetest.add_node(pos, {name=plantname, param2 = minetest.registered_nodes[plantname].place_param2})
-		local intervals_counter = get_intervals_counter(pos, 1, 1)
+		--local intervals_counter = get_intervals_counter(pos, 1, 1)
 	else
 		return
 	end

mods/ITEMS/mcl_fireworks/register.lua

@@ -1,7 +1,5 @@
 local S = minetest.get_translator("mcl_fireworks")
 
-local player_rocketing = {}
-
 local tt_help = S("Flight Duration:")
 local description = S("Firework Rocket")
 

mods/ITEMS/mcl_fishing/init.lua

@@ -2,6 +2,8 @@
 
 local S = minetest.get_translator("mcl_fishing")
 
+local math = math
+
 local bobber_ENTITY={
 	physical = false,
 	timer=0,
@@ -34,9 +36,8 @@ local fish = function(itemstack, player, pointed_thing)
 	local pos = player:get_pos()
 
 	local objs = minetest.get_objects_inside_radius(pos, 125)
-		local num = 0
-		local ent = nil
-		local noent = true
+	local ent
+	local noent = false
 
 	local durability = 65
 	local unbreaking = mcl_enchanting.get_enchantment(itemstack, "unbreaking")
@@ -50,11 +51,8 @@ local fish = function(itemstack, player, pointed_thing)
 		if ent then
 			if ent.player and ent.objtype=="fishing" then
 				if (player:get_player_name() == ent.player) then
-						noent = false
 					if ent._dive == true then
-							local itemname
 						local items
-							local itemcount = 1
 						local pr = PseudoRandom(os.time() * math.random(1, 100))
 						local r = pr:next(1, 100)
 						local fish_values = {85, 84.8, 84.7, 84.5}
@@ -145,7 +143,8 @@ local fish = function(itemstack, player, pointed_thing)
 					end
 					--Destroy bobber.
 					ent.object:remove()
-						return itemstack
+					noent = false
+					break
 				end
 			end
 		end
@@ -163,11 +162,12 @@ local fish = function(itemstack, player, pointed_thing)
 		end
 	end
 	--If no bobber or flying_bobber exists then throw bobber.
-		if noent == true then
+	if noent then
 		local playerpos = player:get_pos()
 		local dir = player:get_look_dir()
 		mcl_throwing.throw("mcl_fishing:flying_bobber", {x=playerpos.x, y=playerpos.y+1.5, z=playerpos.z}, dir, 15, player:get_player_name())
 	end
+	return itemstack
 end
 
 -- Movement function of bobber
@@ -334,13 +334,11 @@ minetest.register_entity("mcl_fishing:flying_bobber_entity", flying_bobber_ENTIT
 
 mcl_throwing.register_throwable_object("mcl_fishing:flying_bobber", "mcl_fishing:flying_bobber_entity", 5)
 
--- If player leaves area, remove bobber.
-minetest.register_on_leaveplayer(function(player)
+local function remove_bobber(player)
 	local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
-	local ent = nil
-	local noent = true
+
 	for n = 1, #objs do
-		ent = objs[n]:get_luaentity()
+		local ent = objs[n]:get_luaentity()
 		if ent then
 			if ent.player and ent.objtype=="fishing" then
 				ent.object:remove()
@@ -349,26 +347,13 @@ minetest.register_on_leaveplayer(function(player)
 			end
 		end
 	end
-end)
+end
+
+-- If player leaves area, remove bobber.
+minetest.register_on_leaveplayer(remove_bobber)
 
 -- If player dies, remove bobber.
-minetest.register_on_dieplayer(function(player)
-	local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
-	local num = 0
-	local ent = nil
-	local noent = true
-
-	for n = 1, #objs do
-		ent = objs[n]:get_luaentity()
-		if ent then
-			if ent.player and ent.objtype=="fishing" then
-				ent.object:remove()
-			elseif ent._thrower and ent.objtype=="fishing" then
-				ent.object:remove()
-			end
-		end
-	end
-end)
+minetest.register_on_dieplayer(remove_bobber)
 
 -- Fishing Rod
 minetest.register_tool("mcl_fishing:fishing_rod", {

mods/ITEMS/mcl_flowers/init.lua

@@ -180,12 +180,12 @@ local function add_large_plant(name, desc, longdesc, bottom_img, top_img, inv_im
 	if not inv_img then
 		inv_img = top_img
 	end
-	local noncreative, create_entry, paramtype2, palette
+	local create_entry, paramtype2, palette
 	if is_flower == nil then
 		is_flower = true
 	end
 
-	local bottom_groups = {flammable=2,fire_encouragement=60,fire_flammability=100, non_mycelium_plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1, plant=1,double_plant=1,deco_block=1,not_in_creative_inventory=noncreative}
+	local bottom_groups = {flammable=2, fire_encouragement=60, fire_flammability=100, non_mycelium_plant=1, attached_node=1, dig_by_water=1, destroy_by_lava_flow=1, dig_by_piston=1, plant=1, double_plant=1, deco_block=1}
 	if is_flower then
 		bottom_groups.flower = 1
 		bottom_groups.place_flowerlike = 1
@@ -200,7 +200,7 @@ local function add_large_plant(name, desc, longdesc, bottom_img, top_img, inv_im
 		palette = "mcl_core_palette_grass.png"
 	end
 	if longdesc == nil then
-		noncreative = 1
+		bottom_groups.not_in_creative_inventory = 1
 		create_entry = false
 	end
 	-- Drop itself by default

mods/ITEMS/mcl_heads/init.lua

@@ -91,7 +91,7 @@ local function addhead(name, texture, desc, longdesc, rangemob, rangefactor)
 
 			local itemstring = itemstack:get_name()
 			local fakestack = ItemStack(itemstack)
-			local idef = fakestack:get_definition()
+			--local idef = fakestack:get_definition()
 			local retval
 			if wdir == 0 or wdir == 1 then
 				return minetest.item_place(itemstack, placer, pointed_thing)
@@ -101,7 +101,7 @@ local function addhead(name, texture, desc, longdesc, rangemob, rangefactor)
 			if not retval then
 				return itemstack
 			end
-			itemstack,_ = minetest.item_place(fakestack, placer, pointed_thing, wdir)
+			itemstack = minetest.item_place(fakestack, placer, pointed_thing, wdir)
 			itemstack:set_name(itemstring)
 			return itemstack
 		end,

mods/ITEMS/mcl_itemframes/init.lua

@@ -276,12 +276,12 @@ minetest.register_node("mcl_itemframes:item_frame",{
 	on_rotate = function(pos, node, user, mode, param2)
 		if mode == screwdriver.ROTATE_FACE then
 			-- Rotate face
-			local meta = minetest.get_meta(pos)
+			--local meta = minetest.get_meta(pos)
 			local node = minetest.get_node(pos)
 
 			local objs = nil
 			if node.name == "mcl_itemframes:item_frame" then
-				objs = minetest.get_objects_inside_radius(pos, .5)
+				objs = minetest.get_objects_inside_radius(pos, 0.5)
 			end
 			if objs then
 				for _, obj in ipairs(objs) do

mods/ITEMS/mcl_jukebox/init.lua

@@ -72,7 +72,6 @@ local function now_playing(player, name)
 			active_huds[playername] = nil
 		end
 	end, {playername, id, hud_sequence_numbers[playername]})
-	
 end
 
 minetest.register_on_leaveplayer(function(player)

mods/ITEMS/mcl_maps/init.lua

@@ -5,7 +5,7 @@ local storage = minetest.get_mod_storage()
 local modpath = minetest.get_modpath("mcl_maps")
 local worldpath = minetest.get_worldpath()
 local map_textures_path = worldpath .. "/mcl_maps/"
-local last_finished_id = storage:get_int("next_id") - 1
+--local last_finished_id = storage:get_int("next_id") - 1
 
 minetest.mkdir(map_textures_path)
 

mods/ITEMS/mcl_mobspawners/init.lua

@@ -1,11 +1,14 @@
 local S = minetest.get_translator("mcl_mobspawners")
 
+local math = math
+local table = table
+
 mcl_mobspawners = {}
 
 local default_mob = "mobs_mc:pig"
 
 -- Mob spawner
-local spawner_default = default_mob.." 0 15 4 15"
+--local spawner_default = default_mob.." 0 15 4 15"
 
 local function get_mob_textures(mob)
 	local list = minetest.registered_entities[mob].texture_list
@@ -160,7 +163,7 @@ local spawn_mobs = function(pos, elapsed)
 	-- check objects inside 8×8 area around spawner
 	local objs = minetest.get_objects_inside_radius(pos, 8)
 	local count = 0
-	local ent = nil
+	local ent
 
 
 	local timer = minetest.get_node_timer(pos)

mods/ITEMS/mcl_ocean/kelp.lua

@@ -38,7 +38,7 @@ local mt_is_creative_enabled = minetest.is_creative_enabled
 local mt_sound_play = minetest.sound_play
 
 local math = math
-local string = string
+--local string = string
 local table = table
 
 -- DEBUG: functions
@@ -422,7 +422,7 @@ end
 
 
 function kelp.surface_after_dig_node(pos, node)
-	return mt_set_node(pos, {name=registred_nodes[node.name].node_dig_prediction})
+	return mt_set_node(pos, {name=minetest.registered_nodes[node.name].node_dig_prediction})
 end
 
 
@@ -759,7 +759,6 @@ minetest.register_craftitem("mcl_ocean:dried_kelp", {
 	groups = { food = 2, eatable = 1 },
 	on_place = minetest.item_eat(1),
 	on_secondary_use = minetest.item_eat(1),
-	groups = { food = 2, eatable = 1 },
 	_mcl_saturation = 0.6,
 })
 

mods/ITEMS/mcl_ocean/sea_pickle.lua

@@ -12,7 +12,7 @@ local function sea_pickle_on_place(itemstack, placer, pointed_thing)
 	local node_under = minetest.get_node(pos_under)
 	local node_above = minetest.get_node(pos_above)
 	local def_under = minetest.registered_nodes[node_under.name]
-	local def_above = minetest.registered_nodes[node_above.name]
+	--local def_above = minetest.registered_nodes[node_above.name]
 
 	if def_under and def_under.on_rightclick and not placer:get_player_control().sneak then
 		return def_under.on_rightclick(pos_under, node_under,

mods/ITEMS/mcl_ocean/seagrass.lua

@@ -105,7 +105,7 @@ for s=1, #surfaces do
 		doc_longdesc = S("Seagrass grows inside water on top of dirt, sand or gravel.")
 		desc = S("Seagrass")
 		doc_create = true
-		doc_img = "mcl_ocean_seagrass.png"
+		doc_img = "mcl_ocean_seagrass.png^[verticalframe:12:0"
 	else
 		doc_create = false
 	end
@@ -113,7 +113,7 @@ for s=1, #surfaces do
 		_doc_items_entry_name = desc,
 		_doc_items_longdesc = doc_longdesc,
 		_doc_items_create_entry = doc_create,
-		_doc_items_image = "mcl_ocean_seagrass.png^[verticalframe:12:0",
+		_doc_items_image = doc_img,
 		drawtype = "plantlike_rooted",
 		paramtype = "light",
 		paramtype2 = "meshoptions",

mods/ITEMS/mcl_portals/portal_end.lua

@@ -1,10 +1,14 @@
 local S = minetest.get_translator("mcl_portals")
 
--- Parameters
-local SPAWN_MIN = mcl_vars.mg_end_min+70
-local SPAWN_MAX = mcl_vars.mg_end_min+98
+local table = table
+local vector = vector
+local math = math
 
-local mg_name = minetest.get_mapgen_setting("mg_name")
+-- Parameters
+--local SPAWN_MIN = mcl_vars.mg_end_min+70
+--local SPAWN_MAX = mcl_vars.mg_end_min+98
+
+--local mg_name = minetest.get_mapgen_setting("mg_name")
 
 local destroy_portal = function(pos)
 	local neighbors = {
@@ -196,7 +200,6 @@ function mcl_portals.end_teleport(obj, pos)
 			end
 		end
 
-		local platform
 		build_end_portal_destination(platform_pos)
 		check_and_build_end_portal_destination(platform_pos)
 

mods/ITEMS/mcl_portals/portal_nether.lua

@@ -137,8 +137,20 @@ local function find_exit(p, dx, dy, dz)
 	if not p or not p.y or not p.z or not p.x then return end
 	local dx, dy, dz = dx or DISTANCE_MAX, dy or DISTANCE_MAX, dz or DISTANCE_MAX
 	if dx < 1 or dy < 1 or dz < 1 then return false end
-	local x, y, z = floor(p.x), floor(p.y), floor(p.z)
-	local x1, y1, z1, x2, y2, z2 = x-dx+1, y-dy+1, z-dz+1, x+dx-1, y+dy-1, z+dz-1
+
+    --y values aren't used
+	local x = floor(p.x)
+    --local y = floor(p.y)
+    local z = floor(p.z)
+
+	local x1 = x-dx+1
+    --local y1 = y-dy+1
+    local z1 = z-dz+1
+
+    local x2 = x+dx-1
+    --local y2 = y+dy-1
+    local z2 = z+dz-1
+
 	local k1x, k2x = floor(x1/256), floor(x2/256)
 	local k1z, k2z = floor(z1/256), floor(z2/256)
 
@@ -371,7 +383,7 @@ local function finalize_teleport(obj, exit)
 	if is_player then
 		name = obj:get_player_name()
 	end
-	local y, dim = mcl_worlds.y_to_layer(exit.y)
+	local _, dim = mcl_worlds.y_to_layer(exit.y)
 
 
 	-- If player stands, player is at ca. something+0.5 which might cause precision problems, so we used ceil for objpos.y

mods/ITEMS/mcl_potions/functions.lua

@@ -558,8 +558,8 @@ function mcl_potions.make_invisible(player, toggle)
 
 	local is_player = player:is_player()
 	local entity = player:get_luaentity()
-	local playername = player:get_player_name()
-	local skin_file = ""
+	--local playername = player:get_player_name()
+	local skin_file
 
 	if toggle then -- hide player
 
@@ -567,22 +567,22 @@ function mcl_potions.make_invisible(player, toggle)
 
 		if entity then
 			EF.invisible[player].old_size = entity.visual_size
-		elseif not player:is_player() then -- if not a player or entity, do nothing
+		elseif not is_player then -- if not a player or entity, do nothing
 			return
 		end
 
-		if player:is_player() then
-			mcl_player.player_set_skin(player, "mobs_mc_empty.png")
-		elseif not player:is_player() then
+		if is_player then
+			mcl_player.player_set_skin(player, skin_file)
+		elseif not is_player then
 			player:set_properties({visual_size = {x = 0, y = 0}})
 		end
 		player:set_nametag_attributes({color = {a = 0}})
 
 	elseif EF.invisible[player] then -- show player
 
-		if player:is_player() then
+		if is_player then
 			mcl_skins.update_player_skin(player)
-		elseif not player:is_player() then
+		elseif not is_player then
 			player:set_properties({visual_size = EF.invisible[player].old_size})
 		end
 		player:set_nametag_attributes({color = {r = 255, g = 255, b = 255, a = 255}})

mods/ITEMS/mcl_tnt/init.lua

@@ -114,7 +114,7 @@ function TNT:on_activate(staticdata)
 	self.object:set_texture_mod("^mcl_tnt_blink.png")
 end
 
-local function add_effects(pos, radius, drops)
+--[[local function add_effects(pos, radius, drops)
 	minetest.add_particlespawner({
 		amount = 64,
 		time = 0.5,
@@ -161,7 +161,7 @@ local function add_effects(pos, radius, drops)
 		texture = texture,
 		collisiondetection = true,
 	})
-end
+end]]
 
 function TNT:on_step(dtime)
 	local pos = self.object:get_pos()

mods/MAPGEN/mcl_biomes/init.lua

@@ -3580,7 +3580,8 @@ local function register_decorations()
 	local fern_minimal = { "Jungle", "JungleM", "JungleEdge", "JungleEdgeM", "Taiga", "MegaTaiga", "MegaSpruceTaiga", "ColdTaiga" }
 	local fern_low = { "Jungle", "JungleM", "JungleEdge", "JungleEdgeM", "Taiga", "MegaTaiga", "MegaSpruceTaiga" }
 	local fern_Jungle = { "Jungle", "JungleM", "JungleEdge", "JungleEdgeM" }
-	local fern_JungleM = { "JungleM" },
+	--local fern_JungleM = { "JungleM" },
+
 	register_grass_decoration("fern", -0.03,  0.09, fern_minimal)
 	register_grass_decoration("fern", -0.015, 0.075, fern_minimal)
 	register_grass_decoration("fern", 0,      0.06, fern_minimal)
@@ -3591,7 +3592,7 @@ local function register_decorations()
 	register_grass_decoration("fern", 0.05, 0.01, fern_Jungle)
 	register_grass_decoration("fern", 0.07, -0.01, fern_Jungle)
 	register_grass_decoration("fern", 0.09, -0.03, fern_Jungle)
-	register_grass_decoration("fern", 0.12, -0.03, fern_JungleM)
+	register_grass_decoration("fern", 0.12, -0.03, {"JungleM"})
 
 	local b_seagrass = {"ColdTaiga_ocean","ExtremeHills_ocean","ExtremeHillsM_ocean","ExtremeHills+_ocean","Taiga_ocean","MegaTaiga_ocean","MegaSpruceTaiga_ocean","StoneBeach_ocean","Plains_ocean","SunflowerPlains_ocean","Forest_ocean","FlowerForest_ocean","BirchForest_ocean","BirchForestM_ocean","RoofedForest_ocean","Swampland_ocean","Jungle_ocean","JungleM_ocean","JungleEdge_ocean","JungleEdgeM_ocean","MushroomIsland_ocean","Desert_ocean","Savanna_ocean","SavannaM_ocean","Mesa_ocean","MesaBryce_ocean","MesaPlateauF_ocean","MesaPlateauFM_ocean",
 "ColdTaiga_deep_ocean","ExtremeHills_deep_ocean","ExtremeHillsM_deep_ocean","ExtremeHills+_deep_ocean","Taiga_deep_ocean","MegaTaiga_deep_ocean","MegaSpruceTaiga_deep_ocean","StoneBeach_deep_ocean","Plains_deep_ocean","SunflowerPlains_deep_ocean","Forest_deep_ocean","FlowerForest_deep_ocean","BirchForest_deep_ocean","BirchForestM_deep_ocean","RoofedForest_deep_ocean","Swampland_deep_ocean","Jungle_deep_ocean","JungleM_deep_ocean","JungleEdge_deep_ocean","JungleEdgeM_deep_ocean","MushroomIsland_deep_ocean","Desert_deep_ocean","Savanna_deep_ocean","SavannaM_deep_ocean","Mesa_deep_ocean","MesaBryce_deep_ocean","MesaPlateauF_deep_ocean","MesaPlateauFM_deep_ocean",
@@ -3974,7 +3975,7 @@ if mg_name ~= "singlenode" then
 		mcl_mapgen_core.register_generator("chorus_grow", nil, function(minp, maxp, blockseed)
 			local gennotify = minetest.get_mapgen_object("gennotify")
 			--local poslist = {}
-			pr = PseudoRandom(blockseed + 14)
+			local pr = PseudoRandom(blockseed + 14)
 			for _, pos in ipairs(gennotify["decoration#"..deco_id_chorus_plant] or {}) do
 				local x, y, z = pos.x, pos.y, pos.z
 				if x < -2 or x > 2 or z < -2 or z > 2 then

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -1904,7 +1904,7 @@ function mcl_mapgen_core.unregister_generator(id)
 	if rec.vf then lvm = lvm - 1 end
 	if rec.nf then nodes = nodes - 1 end
 	if rec.needs_param2 then param2 = param2 - 1 end
-	if rec.needs_level0 then level0 = level0 - 1 end
+	--if rec.needs_level0 then level0 = level0 - 1 end
 end
 
 -- Generate basic layer-based nodes: void, bedrock, realm barrier, lava seas, etc.

mods/PLAYER/mcl_hunger/hunger.lua

@@ -1,4 +1,4 @@
-local S = minetest.get_translator("mcl_hunger")
+--local S = minetest.get_translator("mcl_hunger")
 
 -- wrapper for minetest.item_eat (this way we make sure other mods can't break this one)
 minetest.do_item_eat = function(hp_change, replace_with_item, itemstack, user, pointed_thing)

mods/PLAYER/mcl_playerplus/init.lua

@@ -1,5 +1,3 @@
-local S = minetest.get_translator("mcl_playerplus")
-
 mcl_playerplus = {
 	elytra = {},
 }

mods/PLAYER/mcl_playerplus/locale/mcl_playerplus.de.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_playerplus
-@1 suffocated to death.=@1 erstickte zu Tode.
-@1 was prickled to death by a cactus.=@1 wurde von einem Kaktus zu Tode gepiekst.

mods/PLAYER/mcl_playerplus/locale/mcl_playerplus.es.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_playerplus
-@1 suffocated to death.=@1 ahogado hasta la muerte.
-@1 was prickled to death by a cactus.=@1 fue herido de muerte por un cactus.

mods/PLAYER/mcl_playerplus/locale/mcl_playerplus.fr.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_playerplus
-@1 suffocated to death.=@1 étouffé à mort.
-@1 was prickled to death by a cactus.=@1 a été piqué à mort par un cactus.

mods/PLAYER/mcl_playerplus/locale/mcl_playerplus.ru.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_playerplus
-@1 suffocated to death.=@1 задохнулся(ась).
-@1 was prickled to death by a cactus.=@1 был(а) до смерти заколот(а) кактусом.

mods/PLAYER/mcl_playerplus/locale/template.txt

@@ -1,3 +0,0 @@
-# textdomain: mcl_playerplus
-@1 suffocated to death.=
-@1 was prickled to death by a cactus.=