Merge branch 'master' into sponge-API

.luacheckrc

@@ -40,4 +40,16 @@ read_globals = {
 			"factorial"
 		}
 	},
+    ------
+    --MODS
+    ------
+
+    --GENERAL
+    "default",
+
+    --ENTITIES
+    "cmi",
+
+    --HUD
+    "sfinv", "sfinv_buttons", "unified_inventory", "cmsg", "inventory_plus",
 }

CONTRIBUTING.md

@@ -1,5 +1,5 @@
 # Contributing to MineClone 2
-So you want to MineClone 2?
+So you want to contribute to MineClone 2?
 Wow, thank you! :-)
 
 But first, some things to note:
@@ -46,6 +46,28 @@ Your commit names should be relatively descriptive, e.g. when saying "Fix #issue
 
 Contributors will be credited in `CREDITS.md`.
 
+## Code Style
+
+Each mod must provide `mod.conf`.
+Each mod which add API functions should store functions inside a global table named like the mod.
+Public functions should not use self references but rather just access the table directly.
+Functions should be defined in this way:
+```
+function mcl_xyz.stuff(param) end
+```
+Insteed of this way:
+```
+mcl_xyz.stuff = function(param) end
+```
+Indentation must be unified, more likely with tabs.
+
+Time sensitive mods should make a local copy of most used API functions to improve performances.
+```
+local vector = vector
+local get_node = minetest.get_node
+```
+
+
 ## Features > 1.12
 
 If you want to make a feature that was added in a Minecraft version later than 1.12, you should fork MineClone5 (mineclone5 branch in the repository) and add your changes to this.

mods/CORE/_mcl_autogroup/init.lua

@@ -121,7 +121,7 @@ local hardness_values = get_hardness_values_for_groups()
 -- hardness_value.  Used for quick lookup.
 local hardness_lookup = get_hardness_lookup_for_groups(hardness_values)
 
-local function compute_creativetimes(group)
+--[[local function compute_creativetimes(group)
 	local creativetimes = {}
 
 	for index, hardness in pairs(hardness_values[group]) do
@@ -129,7 +129,7 @@ local function compute_creativetimes(group)
 	end
 
 	return creativetimes
-end
+end]]
 
 -- Get the list of digging times for using a specific tool on a specific
 -- diggroup.
@@ -239,13 +239,13 @@ function mcl_autogroup.can_harvest(nodename, toolname)
 end
 
 -- Get one groupcap field for using a specific tool on a specific group.
-local function get_groupcap(group, can_harvest, multiplier, efficiency, uses)
+--[[local function get_groupcap(group, can_harvest, multiplier, efficiency, uses)
 	return {
 		times = get_digtimes(group, can_harvest, multiplier, efficiency),
 		uses = uses,
 		maxlevel = 0,
 	}
-end
+end]]
 
 -- Returns the tool_capabilities from a tool definition or a default set of
 -- tool_capabilities
@@ -298,7 +298,7 @@ function mcl_autogroup.get_wear(toolname, diggroup)
 	return math.ceil(65535 / uses)
 end
 
-local overwrite = function()
+local function overwrite()
 	for nname, ndef in pairs(minetest.registered_nodes) do
 		local newgroups = table.copy(ndef.groups)
 		if (nname ~= "ignore" and ndef.diggable) then
@@ -315,12 +315,12 @@ local overwrite = function()
 				newgroups.opaque = 1
 			end
 
-			local creative_breakable = false
+			--local creative_breakable = false
 
 			-- Assign groups used for digging this node depending on
 			-- the registered digging groups
 			for g, gdef in pairs(mcl_autogroup.registered_diggroups) do
-				creative_breakable = true
+				--creative_breakable = true
 				local index = hardness_lookup[g][ndef._mcl_hardness or 0]
 				if ndef.groups[g] then
 					if gdef.levels then

mods/CORE/biomeinfo/init.lua

@@ -81,11 +81,11 @@ if v6_use_snow_biomes then
 end
 local v6_freq_desert = tonumber(minetest.get_mapgen_setting("mgv6_freq_desert") or 0.45)
 
-local NOISE_MAGIC_X = 1619
-local NOISE_MAGIC_Y = 31337
-local NOISE_MAGIC_Z = 52591
-local NOISE_MAGIC_SEED = 1013
-local noise2d = function(x, y, seed)
+--local NOISE_MAGIC_X = 1619
+--local NOISE_MAGIC_Y = 31337
+--local NOISE_MAGIC_Z = 52591
+--local NOISE_MAGIC_SEED = 1013
+local function noise2d(x, y, seed)
 	-- TODO: implement noise2d function for biome blend
 	return 0
 --[[

mods/CORE/flowlib/init.lua

@@ -1,62 +1,71 @@
+local math = math
+
+local get_node = minetest.get_node
+local get_item_group = minetest.get_item_group
+
+local registered_nodes = minetest.registered_nodes
+
 flowlib = {}
 
 --sum of direction vectors must match an array index
-local function to_unit_vector(dir_vector)
+
 --(sum,root)
 --(0,1), (1,1+0=1), (2,1+1=2), (3,1+2^2=5), (4,2^2+2^2=8)
-	local inv_roots = {[0] = 1, [1] = 1, [2] = 0.70710678118655, [4] = 0.5
-		, [5] = 0.44721359549996, [8] = 0.35355339059327}
+
+local inv_roots = {
+	[0] = 1,
+	[1] = 1,
+	[2] = 0.70710678118655,
+	[4] = 0.5,
+	[5] = 0.44721359549996,
+	[8] = 0.35355339059327,
+}
+
+local function to_unit_vector(dir_vector)
 	local sum = dir_vector.x * dir_vector.x + dir_vector.z * dir_vector.z
-	return {x=dir_vector.x*inv_roots[sum],y=dir_vector.y
-		,z=dir_vector.z*inv_roots[sum]}
+	return {x = dir_vector.x * inv_roots[sum], y = dir_vector.y, z = dir_vector.z * inv_roots[sum]}
 end
 
-local is_touching = function(realpos,nodepos,radius)
+local function is_touching(realpos,nodepos,radius)
 	local boarder = 0.5 - radius
-	return (math.abs(realpos - nodepos) > (boarder))
+	return math.abs(realpos - nodepos) > (boarder)
 end
 
 flowlib.is_touching = is_touching
 
-local is_water = function(pos)
-	return (minetest.get_item_group(minetest.get_node(
-			{x=pos.x,y=pos.y,z=pos.z}).name
-		, "water") ~= 0)
+local function is_water(pos)
+	return get_item_group(get_node(pos).name, "water") ~= 0
 end
 
 flowlib.is_water = is_water
 
-local node_is_water = function(node)
-	return (minetest.get_item_group(node.name, "water") ~= 0)
+local function node_is_water(node)
+	return get_item_group(node.name, "water") ~= 0
 end
 
 flowlib.node_is_water = node_is_water
 
-local is_lava = function(pos)
-	return (minetest.get_item_group(minetest.get_node(
-			{x=pos.x,y=pos.y,z=pos.z}).name
-		, "lava") ~= 0)
+local function is_lava(pos)
+	return get_item_group(get_node(pos).name, "lava") ~= 0
 end
 
 flowlib.is_lava = is_lava
 
-local node_is_lava = function(node)
-	return (minetest.get_item_group(node.name, "lava") ~= 0)
+local function node_is_lava(node)
+	return get_item_group(node.name, "lava") ~= 0
 end
 
 flowlib.node_is_lava = node_is_lava
 
 
-local is_liquid = function(pos)
-	return (minetest.get_item_group(minetest.get_node(
-			{x=pos.x,y=pos.y,z=pos.z}).name
-		, "liquid") ~= 0)
+local function is_liquid(pos)
+	return get_item_group(get_node(pos).name, "liquid") ~= 0
 end
 
 flowlib.is_liquid = is_liquid
 
-local node_is_liquid = function(node)
-	return (minetest.get_item_group(node.name, "liquid") ~= 0)
+local function node_is_liquid(node)
+	return minetest.get_item_group(node.name, "liquid") ~= 0
 end
 
 flowlib.node_is_liquid = node_is_liquid
@@ -64,32 +73,28 @@ flowlib.node_is_liquid = node_is_liquid
 --This code is more efficient
 local function quick_flow_logic(node, pos_testing, direction)
 	local name = node.name
-	if not minetest.registered_nodes[name] then
+	if not registered_nodes[name] then
 		return 0
 	end
-	if minetest.registered_nodes[name].liquidtype == "source" then
-		local node_testing = minetest.get_node(pos_testing)
-		local param2_testing = node_testing.param2
-		if not minetest.registered_nodes[node_testing.name] then
+	if registered_nodes[name].liquidtype == "source" then
+		local node_testing = get_node(pos_testing)
+		if not registered_nodes[node_testing.name] then
 			return 0
 		end
-		if minetest.registered_nodes[node_testing.name].liquidtype 
-		~= "flowing" then
+		if registered_nodes[node_testing.name].liquidtype ~= "flowing" then
 			return 0
 		else
 			return direction
 		end
-	elseif minetest.registered_nodes[name].liquidtype == "flowing" then
-		local node_testing = minetest.get_node(pos_testing)
+	elseif registered_nodes[name].liquidtype == "flowing" then
+		local node_testing = get_node(pos_testing)
 		local param2_testing = node_testing.param2
-		if not minetest.registered_nodes[node_testing.name] then
+		if not registered_nodes[node_testing.name] then
 			return 0
 		end
-		if minetest.registered_nodes[node_testing.name].liquidtype 
-		== "source" then
+		if registered_nodes[node_testing.name].liquidtype == "source" then
 			return -direction
-		elseif minetest.registered_nodes[node_testing.name].liquidtype 
-		== "flowing" then
+		elseif registered_nodes[node_testing.name].liquidtype == "flowing" then
 			if param2_testing < node.param2 then
 				if (node.param2 - param2_testing) > 6 then
 					return -direction
@@ -108,44 +113,37 @@ local function quick_flow_logic(node,pos_testing,direction)
 	return 0
 end
 
-local quick_flow = function(pos,node)
-	local x = 0
-	local z = 0
-	
+local function quick_flow(pos, node)
 	if not node_is_liquid(node)  then
 		return {x = 0, y = 0, z = 0}
 	end
-	
-	x = x + quick_flow_logic(node,{x=pos.x-1,y=pos.y,z=pos.z},-1)
-	x = x + quick_flow_logic(node,{x=pos.x+1,y=pos.y,z=pos.z}, 1)
-	z = z + quick_flow_logic(node,{x=pos.x,y=pos.y,z=pos.z-1},-1)
-	z = z + quick_flow_logic(node,{x=pos.x,y=pos.y,z=pos.z+1}, 1)
-	
+	local x = quick_flow_logic(node,{x = pos.x-1, y = pos.y, z = pos.z},-1) + quick_flow_logic(node,{x = pos.x+1, y = pos.y, z = pos.z}, 1)
+	local z = quick_flow_logic(node,{x = pos.x, y = pos.y, z = pos.z-1},-1) + quick_flow_logic(node,{x = pos.x, y = pos.y, z = pos.z+1}, 1)
 	return to_unit_vector({x = x, y = 0, z = z})
 end
 
 flowlib.quick_flow = quick_flow
 
-
 --if not in water but touching, move centre to touching block
 --x has higher precedence than z
 --if pos changes with x, it affects z
-local move_centre = function(pos,realpos,node,radius)
+
+local function move_centre(pos, realpos, node, radius)
 	if is_touching(realpos.x, pos.x, radius) then
 		if is_liquid({x = pos.x-1, y = pos.y, z = pos.z}) then
-			node = minetest.get_node({x=pos.x-1,y=pos.y,z=pos.z})
+			node = get_node({x=pos.x-1, y = pos.y, z = pos.z})
 			pos = {x = pos.x-1, y = pos.y, z = pos.z}
 		elseif is_liquid({x = pos.x+1, y = pos.y, z = pos.z}) then
-			node = minetest.get_node({x=pos.x+1,y=pos.y,z=pos.z})
+			node = get_node({x = pos.x+1, y = pos.y, z = pos.z})
 			pos = {x = pos.x+1, y = pos.y, z = pos.z}
 		end
 	end
 	if is_touching(realpos.z, pos.z, radius) then
 		if is_liquid({x = pos.x, y = pos.y, z = pos.z - 1}) then
-			node = minetest.get_node({x=pos.x,y=pos.y,z=pos.z-1})
+			node = get_node({x = pos.x, y = pos.y, z = pos.z - 1})
 			pos = {x = pos.x, y = pos.y, z = pos.z - 1}
 		elseif is_liquid({x = pos.x, y = pos.y, z = pos.z + 1}) then
-			node = minetest.get_node({x=pos.x,y=pos.y,z=pos.z+1})
+			node = get_node({x = pos.x, y = pos.y, z = pos.z + 1})
 			pos = {x = pos.x, y = pos.y, z = pos.z + 1}
 		end
 	end

mods/CORE/mcl_attached/init.lua

@@ -1,17 +1,21 @@
+local vector = vector
+
+local facedir_to_dir = minetest.facedir_to_dir
+local get_item_group = minetest.get_item_group
+local remove_node = minetest.remove_node
+local get_node = minetest.get_node
+
 local original_function = minetest.check_single_for_falling
 
-minetest.check_single_for_falling = function(pos)
+function minetest.check_single_for_falling(pos)
 	local ret_o = original_function(pos)
-
 	local ret = false
 	local node = minetest.get_node(pos)
-	if minetest.get_item_group(node.name, "attached_node_facedir") ~= 0 then
-		local dir = minetest.facedir_to_dir(node.param2)
+	if get_item_group(node.name, "attached_node_facedir") ~= 0 then
+		local dir = facedir_to_dir(node.param2)
 		if dir then
-			local cpos = vector.add(pos, dir)
-			local cnode = minetest.get_node(cpos)
-			if minetest.get_item_group(cnode.name, "solid") == 0 then
-				minetest.remove_node(pos)
+			if get_item_group(get_node(vector.add(pos, dir)).name, "solid") == 0 then
+				remove_node(pos)
 				local drops = minetest.get_node_drops(node.name, "")
 				for dr=1, #drops do
 					minetest.add_item(pos, drops[dr])
@@ -20,7 +24,6 @@ minetest.check_single_for_falling = function(pos)
 			end
 		end
 	end
-
 	return ret_o or ret
 end
 

mods/CORE/mcl_explosions/init.lua

@@ -13,9 +13,7 @@ under the LGPLv2.1 license.
 mcl_explosions = {}
 
 local mod_fire = minetest.get_modpath("mcl_fire") ~= nil
-local CONTENT_FIRE = minetest.get_content_id("mcl_fire:fire")
-
-local S = minetest.get_translator("mcl_explosions")
+--local CONTENT_FIRE = minetest.get_content_id("mcl_fire:fire")
 
 local hash_node_position = minetest.hash_node_position
 local get_objects_inside_radius = minetest.get_objects_inside_radius
@@ -174,14 +172,11 @@ local function trace_explode(pos, strength, raydirs, radius, info, direct, sourc
 
 	local ystride = (emax.x - emin_x + 1)
 	local zstride = ystride * (emax.y - emin_y + 1)
-	local pos_x = pos.x
-	local pos_y = pos.y
-	local pos_z = pos.z
 
-	local area = VoxelArea:new {
+	--[[local area = VoxelArea:new {
 		MinEdge = emin,
 		MaxEdge = emax
-	}
+	}]]
 	local data = vm:get_data()
 	local destroy = {}
 

mods/CORE/mcl_explosions/locale/mcl_explosions.de.tr

@@ -1,2 +0,0 @@
-# textdomain:mcl_explosions
-@1 was caught in an explosion.=@1 wurde Opfer einer Explosion.

mods/CORE/mcl_explosions/locale/mcl_explosions.fr.tr

@@ -1,2 +0,0 @@
-# textdomain:mcl_explosions
-@1 was caught in an explosion.=@1 a été pris dans une explosion.

mods/CORE/mcl_explosions/locale/mcl_explosions.ru.tr

@@ -1,2 +0,0 @@
-# textdomain:mcl_explosions
-@1 was caught in an explosion.=@1 не удалось пережить взрыва.

mods/CORE/mcl_explosions/locale/template.txt

@@ -1,2 +0,0 @@
-# textdomain:mcl_explosions
-@1 was caught in an explosion.=

mods/CORE/mcl_loot/init.lua

@@ -40,10 +40,9 @@ function mcl_loot.get_loot(loot_definitions, pr)
 		total_weight = total_weight + (loot_definitions.items[i].weight or 1)
 	end
 
-	local stacks_min = loot_definitions.stacks_min
-	local stacks_max = loot_definitions.stacks_max
-	if not stacks_min then stacks_min = 1 end
-	if not stacks_max then stacks_max = 1 end
+	--local stacks_min = loot_definitions.stacks_min or 1
+	--local stacks_max = loot_definitions.stacks_max or 1
+
 	local stacks = pr:next(loot_definitions.stacks_min, loot_definitions.stacks_max)
 	for s=1, stacks do
 		local r = pr:next(1, total_weight)

mods/CORE/mcl_particles/init.lua

@@ -1,3 +1,12 @@
+local vector = vector
+local table = table
+
+local hash_node_position = minetest.hash_node_position
+local add_particlespawner = minetest.add_particlespawner
+local delete_particlespawner = minetest.delete_particlespawner
+
+local ipairs = ipairs
+
 mcl_particles = {}
 
 -- Table of particlespawner IDs on a per-node hash basis
@@ -32,11 +41,11 @@ function mcl_particles.add_node_particlespawner(pos, particlespawner_definition,
 	if allowed_level == 0 or levels[level] > allowed_level then
 		return
 	end
-	local poshash = minetest.hash_node_position(pos)
+	local poshash = hash_node_position(pos)
 	if not poshash then
 		return
 	end
-	local id = minetest.add_particlespawner(particlespawner_definition)
+	local id = add_particlespawner(particlespawner_definition)
 	if id == -1 then
 		return
 	end
@@ -47,6 +56,8 @@ function mcl_particles.add_node_particlespawner(pos, particlespawner_definition,
 	return id
 end
 
+local add_node_particlespawner = mcl_particles.add_node_particlespawner
+
 -- Deletes all particlespawners that are assigned to a node position.
 -- If no particlespawners exist for this position, nothing happens.
 -- pos: Node positon. MUST use integer values!
@@ -55,11 +66,11 @@ function mcl_particles.delete_node_particlespawners(pos)
 	if allowed_level == 0 then
 		return false
 	end
-	local poshash = minetest.hash_node_position(pos)
+	local poshash = hash_node_position(pos)
 	local ids = particle_nodes[poshash]
 	if ids then
 		for i=1, #ids do
-			minetest.delete_particlespawner(ids[i])
+			delete_particlespawner(ids[i])
 		end
 		particle_nodes[poshash] = nil
 		return true
@@ -72,7 +83,6 @@ end
 local smoke_pdef_cached = {}
 
 function mcl_particles.spawn_smoke(pos, name, smoke_pdef_base)
-	local min = math.min
 	local new_minpos = vector.add(pos, smoke_pdef_base.minrelpos)
 	local new_maxpos = vector.add(pos, smoke_pdef_base.maxrelpos)
 
@@ -81,7 +91,7 @@ function mcl_particles.spawn_smoke(pos, name, smoke_pdef_base)
 		for i, smoke_pdef in ipairs(smoke_pdef_cached[name]) do
 			smoke_pdef.minpos = new_minpos
 			smoke_pdef.maxpos = new_maxpos
-			mcl_particles.add_node_particlespawner(pos, smoke_pdef, "high")
+			add_node_particlespawner(pos, smoke_pdef, "high")
 		end
 		-- cache already populated
 	else
@@ -111,11 +121,9 @@ function mcl_particles.spawn_smoke(pos, name, smoke_pdef_base)
 				smoke_pdef.animation.length = exptime + 0.1
 				-- minexptime must be set such that the last frame is actully rendered,
 				-- even if its very short. Larger exptime -> larger range
-				smoke_pdef.minexptime = min(exptime, (7.0/8.0 * (exptime + 0.1) + 0.1))
+				smoke_pdef.minexptime = math.min(exptime, (7.0/8.0 * (exptime + 0.1) + 0.1))
 				smoke_pdef.texture = "mcl_particles_smoke_anim.png^[colorize:#000000:" ..colorize
-
-				mcl_particles.add_node_particlespawner(pos, smoke_pdef, "high")
-
+				add_node_particlespawner(pos, smoke_pdef, "high")
 				table.insert(smoke_pdef_cached[name], table.copy(smoke_pdef))
 			end
 		end

mods/CORE/mcl_util/init.lua

@@ -150,7 +150,7 @@ function mcl_util.get_eligible_transfer_item_slot(src_inventory, src_list, dst_i
 end
 
 -- Returns true if itemstack is a shulker box
-local is_not_shulker_box = function(itemstack)
+local function is_not_shulker_box(itemstack)
 	local g = minetest.get_item_group(itemstack:get_name(), "shulker_box")
 	return g == 0 or g == nil
 end
@@ -212,7 +212,7 @@ function mcl_util.move_item_container(source_pos, destination_pos, source_list,
 	end
 
 	-- Normalize double container by forcing to always use the left segment first
-	local normalize_double_container = function(pos, node, ctype)
+	local function normalize_double_container(pos, node, ctype)
 		if ctype == 6 then
 			pos = mcl_util.get_double_container_neighbor_pos(pos, node.param2, "right")
 			if not pos then
@@ -456,14 +456,7 @@ function mcl_util.calculate_durability(itemstack)
 				end
 			end
 		end
-		if not uses then
-			local toolcaps = itemstack:get_tool_capabilities()
-			local groupcaps = toolcaps.groupcaps
-			for _, v in pairs(groupcaps) do
-				uses = v.uses
-				break
-			end
-		end
+		uses = uses or (next(itemstack:get_tool_capabilities().groupcaps) or {}).uses
 	end
 
 	return uses or 0

mods/CORE/walkover/init.lua

@@ -35,9 +35,7 @@ minetest.register_globalstep(function(dtime)
 		pp.y = ceil(pp.y)
 			local loc = vector_add(pp, {x=0,y=-1,z=0})
 			if loc ~= nil then
-               
 				local nodeiamon = get_node(loc)
-                
 				if nodeiamon ~= nil then
 					if on_walk[nodeiamon.name] then
 						on_walk[nodeiamon.name](loc, nodeiamon, player)
@@ -48,7 +46,6 @@ minetest.register_globalstep(function(dtime)
 				end
 			end
 		end
-	 
 		timer = 0
 	end
 end)

mods/ENTITIES/drippingwater/init.lua

@@ -1,6 +1,8 @@
 --Dripping Water Mod
 --by kddekadenz
 
+local math = math
+
 -- License of code, textures & sounds: CC0
 
 --Drop entities
@@ -20,23 +22,18 @@ minetest.register_entity("drippingwater:drop_water", {
 	spritediv = {x=1, y=1},
 	initial_sprite_basepos = {x=0, y=0},
 	static_save = false,
-
 	on_activate = function(self, staticdata)
 		self.object:set_sprite({x=0,y=0}, 1, 1, true)
 	end,
-
 	on_step = function(self, dtime)
 		local k = math.random(1,222)
 		local ownpos = self.object:get_pos()
-
 		if k==1 then
 			self.object:set_acceleration({x=0, y=-5, z=0})
 		end
-
 		if minetest.get_node({x=ownpos.x, y=ownpos.y +0.5, z=ownpos.z}).name == "air" then
 			self.object:set_acceleration({x=0, y=-5, z=0})
 		end
-	
 		if minetest.get_node({x=ownpos.x, y=ownpos.y -0.5, z=ownpos.z}).name ~= "air" then
 			self.object:remove()
 			minetest.sound_play({name="drippingwater_drip"}, {pos = ownpos, gain = 0.5, max_hear_distance = 8}, true)
@@ -61,24 +58,18 @@ minetest.register_entity("drippingwater:drop_lava", {
 	spritediv = {x=1, y=1},
 	initial_sprite_basepos = {x=0, y=0},
 	static_save = false,
-
 	on_activate = function(self, staticdata)
 		self.object:set_sprite({x=0,y=0}, 1, 0, true)
 	end,
-
 	on_step = function(self, dtime)
 		local k = math.random(1,222)
 		local ownpos = self.object:get_pos()
-
 		if k == 1 then
 			self.object:set_acceleration({x=0, y=-5, z=0})
 		end
-
 		if minetest.get_node({x=ownpos.x, y=ownpos.y +0.5, z=ownpos.z}).name == "air" then
 			self.object:set_acceleration({x=0, y=-5, z=0})
 		end
-
-		
 		if minetest.get_node({x=ownpos.x, y=ownpos.y -0.5, z=ownpos.z}).name ~= "air" then
 			self.object:remove()
 			minetest.sound_play({name="drippingwater_lavadrip"}, {pos = ownpos, gain = 0.5, max_hear_distance = 8}, true)
@@ -90,16 +81,15 @@ minetest.register_entity("drippingwater:drop_lava", {
 
 --Create drop
 
-minetest.register_abm(
-        {
+minetest.register_abm({
 	label = "Create water drops",
 	nodenames = {"group:opaque", "group:leaves"},
 	neighbors = {"group:water"},
 	interval = 2,
 	chance = 22,
 	action = function(pos)
-		if minetest.get_item_group(minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name, "water") ~= 0 and
-				minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
+		if minetest.get_item_group(minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name, "water") ~= 0
+			and minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
 			local i = math.random(-45,45) / 100
 			minetest.add_entity({x=pos.x + i, y=pos.y - 0.501, z=pos.z + i}, "drippingwater:drop_water")
 		end
@@ -108,16 +98,15 @@ minetest.register_abm(
 
 --Create lava drop
 
-minetest.register_abm(
-        {
+minetest.register_abm({
 	label = "Create lava drops",
 	nodenames = {"group:opaque"},
 	neighbors = {"group:lava"},
 	interval = 2,
 	chance = 22,
 	action = function(pos)
-		if minetest.get_item_group(minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name, "lava") ~= 0 and
-				minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
+		if minetest.get_item_group(minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name, "lava") ~= 0
+			and	minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
 			local i = math.random(-45,45) / 100
 			minetest.add_entity({x=pos.x + i, y=pos.y - 0.501, z=pos.z + i}, "drippingwater:drop_lava")
 		end

mods/ENTITIES/mcl_boats/init.lua

@@ -328,10 +328,10 @@ function boat.on_step(self, dtime, moveresult)
 
 	p.y = p.y - boat_y_offset
 	local new_velo
-	local new_acce = {x = 0, y = 0, z = 0}
+	local new_acce
 	if not is_water(p) and not on_ice then
 		-- Not on water or inside water: Free fall
-		local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
+		--local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
 		new_acce = {x = 0, y = -9.8, z = 0}
 		new_velo = get_velocity(self._v, self.object:get_yaw(),
 			self.object:get_velocity().y)

mods/ENTITIES/mcl_burning/api.lua

@@ -1,5 +1,3 @@
-local S = minetest.get_translator("mcl_burning")
-
 function mcl_burning.get_storage(obj)
 	return obj:is_player() and mcl_burning.storage[obj] or obj:get_luaentity()
 end

mods/ENTITIES/mcl_burning/init.lua

@@ -1,5 +1,4 @@
-local S = minetest.get_translator("mcl_burning")
-local modpath = minetest.get_modpath("mcl_burning")
+local modpath = minetest.get_modpath(minetest.get_current_modname())
 
 mcl_burning = {
 	storage = {},
@@ -56,7 +55,6 @@ minetest.register_on_leaveplayer(function(player)
 	local storage = mcl_burning.storage[player]
 	storage.fire_hud_id = nil
 	player:get_meta():set_string("mcl_burning:data", minetest.serialize(storage))
-
 	mcl_burning.storage[player] = nil
 end)
 
@@ -68,11 +66,10 @@ minetest.register_entity("mcl_burning:fire", {
 		visual = "cube",
 		pointable = false,
 		glow = -1,
+		backface_culling = false,
 	},
-
 	animation_frame = 0,
 	animation_timer = 0,
-
 	on_step = function(self, dtime)
 		local parent, storage = self:sanity_check()
 

mods/ENTITIES/mcl_falling_nodes/init.lua

@@ -1,7 +1,4 @@
-local S = minetest.get_translator("mcl_falling_nodes")
-local has_mcl_armor = minetest.get_modpath("mcl_armor")
-
-local get_falling_depth = function(self)
+local function get_falling_depth(self)
 	if not self._startpos then
 		-- Fallback
 		self._startpos = self.object:get_pos()
@@ -9,7 +6,7 @@ local get_falling_depth = function(self)
 	return self._startpos.y - vector.round(self.object:get_pos()).y
 end
 
-local deal_falling_damage = function(self, dtime)
+local function deal_falling_damage(self, dtime)
 	if minetest.get_item_group(self.node.name, "falling_node_damage") == 0 then
 		return
 	end
@@ -38,7 +35,7 @@ local deal_falling_damage = function(self, dtime)
 						inv:set_stack("armor", 2, helmet)
 					end
 				end
-				local deathmsg, dmg_type
+				local dmg_type
 				if minetest.get_item_group(self.node.name, "anvil") ~= 0 then
 					dmg_type = "anvil"
 				else
@@ -60,10 +57,8 @@ minetest.register_entity(":__builtin:falling_node", {
 		collide_with_objects = false,
 		collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
 	},
-
 	node = {},
 	meta = {},
-
 	set_node = function(self, node, meta)
 		local def = minetest.registered_nodes[node.name]
 		-- Change falling node if definition tells us to
@@ -90,7 +85,6 @@ minetest.register_entity(":__builtin:falling_node", {
 			glow = glow,
 		})
 	end,
-
 	get_staticdata = function(self)
 		local meta = self.meta
 		-- Workaround: Save inventory seperately from metadata.
@@ -111,7 +105,6 @@ minetest.register_entity(":__builtin:falling_node", {
 		}
 		return minetest.serialize(ds)
 	end,
-
 	on_activate = function(self, staticdata)
 		self.object:set_armor_groups({immortal = 1})
 
@@ -134,7 +127,6 @@ minetest.register_entity(":__builtin:falling_node", {
 		end
 		self._startpos = vector.round(self._startpos)
 	end,
-
 	on_step = function(self, dtime)
 		-- Set gravity
 		local acceleration = self.object:get_acceleration()
@@ -186,10 +178,9 @@ minetest.register_entity(":__builtin:falling_node", {
 				return
 			end
 			local nd = minetest.registered_nodes[n2.name]
-			if n2.name == "mcl_portals:portal_end" then
+			--if n2.name == "mcl_portals:portal_end" then
 			-- TODO: Teleport falling node.
-
-			elseif (nd and nd.buildable_to == true) or minetest.get_item_group(self.node.name, "crush_after_fall") ~= 0 then
+            if (nd and nd.buildable_to == true) or minetest.get_item_group(self.node.name, "crush_after_fall") ~= 0 then
 				-- Replace destination node if it's buildable to
 				minetest.remove_node(np)
 				-- Run script hook
@@ -256,7 +247,6 @@ minetest.register_entity(":__builtin:falling_node", {
 				self.object:set_pos(npos)
 			end
 		end
-
 		deal_falling_damage(self, dtime)
 	end
 })

mods/ENTITIES/mcl_falling_nodes/locale/mcl_falling_nodes.de.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_falling_nodes
-@1 was smashed by a falling anvil.=@1 wurde von einem fallenden Amboss zerschmettert.
-@1 was smashed by a falling block.=@1 wurde von einem fallenden Block zerschmettert.

mods/ENTITIES/mcl_falling_nodes/locale/mcl_falling_nodes.es.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_falling_nodes
-@1 was smashed by a falling anvil.=@1 fue aplastado por la caída de un yunque.
-@1 was smashed by a falling block.=@1 fue aplastado por la caída de un bloque.

mods/ENTITIES/mcl_falling_nodes/locale/mcl_falling_nodes.fr.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_falling_nodes
-@1 was smashed by a falling anvil.=@1 a été écrasé par une enclume qui tombait.
-@1 was smashed by a falling block.=@1 a été écrasé par un bloc qui tombait.

mods/ENTITIES/mcl_falling_nodes/locale/mcl_falling_nodes.ru.tr

@@ -1,3 +0,0 @@
-# textdomain: mcl_falling_nodes
-@1 was smashed by a falling anvil.=@1 придавило падающей наковальней.
-@1 was smashed by a falling block.=@1 раздавило падающим блоком.

mods/ENTITIES/mcl_falling_nodes/locale/template.txt

@@ -1,3 +0,0 @@
-# textdomain: mcl_falling_nodes
-@1 was smashed by a falling anvil.=
-@1 was smashed by a falling block.=

mods/ENTITIES/mcl_item_entity/init.lua

@@ -38,7 +38,7 @@ item_drop_settings.drop_single_item      = false --if true, the drop control dro
 
 item_drop_settings.magnet_time           = 0.75 -- how many seconds an item follows the player before giving up
 
-local get_gravity = function()
+local function get_gravity()
 	return tonumber(minetest.settings:get("movement_gravity")) or 9.81
 end
 
@@ -60,7 +60,7 @@ mcl_item_entity.register_pickup_achievement("mcl_mobitems:blaze_rod", "mcl:blaze
 mcl_item_entity.register_pickup_achievement("mcl_mobitems:leather", "mcl:killCow")
 mcl_item_entity.register_pickup_achievement("mcl_core:diamond", "mcl:diamonds")
 
-local check_pickup_achievements = function(object, player)
+local function check_pickup_achievements(object, player)
 	if has_awards then
 		local itemname = ItemStack(object:get_luaentity().itemstring):get_name()
 		local playername = player:get_player_name()
@@ -72,7 +72,7 @@ local check_pickup_achievements = function(object, player)
 	end
 end
 
-local enable_physics = function(object, luaentity, ignore_check)
+local function enable_physics(object, luaentity, ignore_check)
 	if luaentity.physical_state == false or ignore_check == true then
 		luaentity.physical_state = true
 		object:set_properties({
@@ -83,7 +83,7 @@ local enable_physics = function(object, luaentity, ignore_check)
 	end
 end
 
-local disable_physics = function(object, luaentity, ignore_check, reset_movement)
+local function disable_physics(object, luaentity, ignore_check, reset_movement)
 	if luaentity.physical_state == true or ignore_check == true then
 		luaentity.physical_state = false
 		object:set_properties({
@@ -98,13 +98,11 @@ end
 
 
 minetest.register_globalstep(function(dtime)
-
 	tick = not tick
 
 	for _,player in pairs(minetest.get_connected_players()) do
 		if player:get_hp() > 0 or not minetest.settings:get_bool("enable_damage") then
 
-
 			local name = player:get_player_name()
 
 			local pos = player:get_pos()
@@ -426,13 +424,9 @@ minetest.register_entity(":__builtin:item", {
 		if itemtable then
 			itemname = stack:to_table().name
 		end
-		local item_texture = nil
-		local item_type = ""
 		local glow
 		local def = minetest.registered_items[itemname]
 		if def then
-			item_texture = def.inventory_image
-			item_type = def.type
 			description = def.description
 			glow = def.light_source
 		end

mods/ENTITIES/mcl_minecarts/functions.lua

@@ -1,3 +1,5 @@
+local vector = vector
+
 function mcl_minecarts:get_sign(z)
 	if z == 0 then
 		return 0
@@ -38,11 +40,9 @@ end
 
 function mcl_minecarts:check_front_up_down(pos, dir_, check_down, railtype)
 	local dir = vector.new(dir_)
-	local cur = nil
-	
 	-- Front
 	dir.y = 0
-	cur = vector.add(pos, dir)
+	local cur = vector.add(pos, dir)
 	if mcl_minecarts:is_rail(cur, railtype) then
 		return dir
 	end
@@ -65,7 +65,7 @@ end
 
 function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 	local pos = vector.round(pos_)
-	local cur = nil
+	local cur
 	local left_check, right_check = true, true
 
 	-- Check left and right
@@ -122,7 +122,6 @@ function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 			return cur
 		end
 	end
-	
 	-- Backwards
 	if not old_switch then
 		cur = mcl_minecarts:check_front_up_down(pos, {
@@ -134,7 +133,5 @@ function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 			return cur
 		end
 	end
-	
 	return {x=0, y=0, z=0}
 end
-

mods/ENTITIES/mcl_minecarts/init.lua

@@ -486,7 +486,6 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
 		if update.pos then
 			self.object:set_pos(pos)
 		end
-		update = nil
 	end
 
 	function cart:get_staticdata()
@@ -497,7 +496,7 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
 end
 
 -- Place a minecart at pointed_thing
-mcl_minecarts.place_minecart = function(itemstack, pointed_thing, placer)
+function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
 	if not pointed_thing.type == "node" then
 		return
 	end
@@ -541,7 +540,7 @@ mcl_minecarts.place_minecart = function(itemstack, pointed_thing, placer)
 end
 
 
-local register_craftitem = function(itemstring, entity_id, description, tt_help, longdesc, usagehelp, icon, creative)
+local function register_craftitem(itemstring, entity_id, description, tt_help, longdesc, usagehelp, icon, creative)
 	entity_mapping[itemstring] = entity_id
 
 	local groups = { minecart = 1, transport = 1 }
@@ -817,8 +816,7 @@ minetest.register_craft({
 })
 
 -- TODO: Re-enable crafting of special minecarts when they have been implemented
-if false then
-	minetest.register_craft({
+--[[minetest.register_craft({
 	output = "mcl_minecarts:furnace_minecart",
 	recipe = {
 		{"mcl_furnaces:furnace"},
@@ -840,8 +838,8 @@ if false then
 		{"mcl_chests:chest"},
 		{"mcl_minecarts:minecart"},
 	},
-	})
-end
+})]]
+
 
 if has_mcl_wip then
 	mcl_wip.register_wip_item("mcl_minecarts:chest_minecart")

mods/ENTITIES/mcl_minecarts/rails.lua

@@ -1,7 +1,7 @@
 local S = minetest.get_translator("mcl_minecarts")
 
 -- Template rail function
-local register_rail = function(itemstring, tiles, def_extras, creative)
+local function register_rail(itemstring, tiles, def_extras, creative)
 	local groups = {handy=1,pickaxey=1, attached_node=1,rail=1,connect_to_raillike=minetest.raillike_group("rail"),dig_by_water=1,destroy_by_lava_flow=1, transport=1}
 	if creative == false then
 		groups.not_in_creative_inventory = 1

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -11,133 +11,111 @@ local minetest_get_objects_inside_radius    = minetest.get_objects_inside_radius
 local minetest_get_modpath                  = minetest.get_modpath
 local minetest_registered_nodes             = minetest.registered_nodes
 local minetest_get_node                     = minetest.get_node
-local minetest_get_item_group               = minetest.get_item_group
+--local minetest_get_item_group               = minetest.get_item_group
 local minetest_registered_entities          = minetest.registered_entities
-local minetest_line_of_sight                = minetest.line_of_sight
-local minetest_after                        = minetest.after
-local minetest_sound_play                   = minetest.sound_play
-local minetest_add_particlespawner          = minetest.add_particlespawner
-local minetest_registered_items             = minetest.registered_items
-local minetest_set_node                     = minetest.set_node
+--local minetest_line_of_sight                = minetest.line_of_sight
+--local minetest_after                        = minetest.after
+--local minetest_sound_play                   = minetest.sound_play
+--local minetest_add_particlespawner          = minetest.add_particlespawner
+--local minetest_registered_items             = minetest.registered_items
+--local minetest_set_node                     = minetest.set_node
 local minetest_add_item                     = minetest.add_item
-local minetest_get_craft_result             = minetest.get_craft_result
-local minetest_find_path                    = minetest.find_path
-local minetest_is_protected                 = minetest.is_protected
+--local minetest_get_craft_result             = minetest.get_craft_result
+--local minetest_find_path                    = minetest.find_path
 local minetest_is_creative_enabled          = minetest.is_creative_enabled
-local minetest_find_node_near               = minetest.find_node_near
-local minetest_find_nodes_in_area_under_air = minetest.find_nodes_in_area_under_air
-local minetest_raycast                      = minetest.raycast
-local minetest_get_us_time                  = minetest.get_us_time
+--local minetest_find_node_near               = minetest.find_node_near
+--local minetest_find_nodes_in_area_under_air = minetest.find_nodes_in_area_under_air
+--local minetest_raycast                      = minetest.raycast
+--local minetest_get_us_time                  = minetest.get_us_time
 local minetest_add_entity                   = minetest.add_entity
-local minetest_get_natural_light            = minetest.get_natural_light
-local minetest_get_node_or_nil              = minetest.get_node_or_nil
+--local minetest_get_natural_light            = minetest.get_natural_light
+--local minetest_get_node_or_nil              = minetest.get_node_or_nil
 
 -- localize math functions
-local math_pi     = math.pi
-local math_sin    = math.sin
-local math_cos    = math.cos
-local math_abs    = math.abs
-local math_min    = math.min
-local math_max    = math.max
-local math_atan   = math.atan
-local math_random = math.random
-local math_floor  = math.floor
+local math = math
 
 -- localize vector functions
-local vector_new    = vector.new
-local vector_add    = vector.add
-local vector_length = vector.length
-local vector_direction = vector.direction
-local vector_normalize = vector.normalize
-local vector_multiply = vector.multiply
-local vector_divide  = vector.divide
+local vector = vector
+
+local string = string
 
 -- mob constants
-local BREED_TIME          = 30
-local BREED_TIME_AGAIN    = 300
-local CHILD_GROW_TIME     = 60*20
-local DEATH_DELAY         = 0.5
+--local BREED_TIME          = 30
+--local BREED_TIME_AGAIN    = 300
+--local CHILD_GROW_TIME     = 60*20
+--local DEATH_DELAY         = 0.5
 local DEFAULT_FALL_SPEED  = -10
-local FLOP_HEIGHT         = 5.0
-local FLOP_HOR_SPEED      = 1.5
+--local FLOP_HEIGHT         = 5.0
+--local FLOP_HOR_SPEED      = 1.5
 local GRAVITY             = minetest_settings:get("movement_gravity")-- + 9.81
 
+local MAX_MOB_NAME_LENGTH = 30
 
-local MOB_CAP   = {}
+
+--[[local MOB_CAP   = {}
 MOB_CAP.hostile = 70
 MOB_CAP.passive = 10
 MOB_CAP.ambient = 15
 MOB_CAP.water   = 15
+]]
 
 -- Load main settings
-local damage_enabled    = minetest_settings:get_bool("enable_damage")
-local disable_blood     = minetest_settings:get_bool("mobs_disable_blood")
-local mobs_drop_items   = minetest_settings:get_bool("mobs_drop_items") ~= false
-local mobs_griefing     = minetest_settings:get_bool("mobs_griefing") ~= false
-local spawn_protected   = minetest_settings:get_bool("mobs_spawn_protected") ~= false
-local remove_far        = true
+--local damage_enabled    = minetest_settings:get_bool("enable_damage")
+--local disable_blood     = minetest_settings:get_bool("mobs_disable_blood")
+--local mobs_drop_items   = minetest_settings:get_bool("mobs_drop_items") ~= false
+--local mobs_griefing     = minetest_settings:get_bool("mobs_griefing") ~= false
+--local spawn_protected   = minetest_settings:get_bool("mobs_spawn_protected") ~= false
+--local remove_far        = true
 local difficulty        = tonumber(minetest_settings:get("mob_difficulty")) or 1.0
-local show_health       = false
-local max_per_block     = tonumber(minetest_settings:get("max_objects_per_block") or 64)
-local mobs_spawn_chance = tonumber(minetest_settings:get("mobs_spawn_chance") or 2.5)
+--local show_health       = false
+--local max_per_block     = tonumber(minetest_settings:get("max_objects_per_block") or 64)
+---local mobs_spawn_chance = tonumber(minetest_settings:get("mobs_spawn_chance") or 2.5)
 
 -- pathfinding settings
-local enable_pathfinding = true
-local stuck_timeout      = 3 -- how long before mob gets stuck in place and starts searching
-local stuck_path_timeout = 10 -- how long will mob follow path before giving up
+--local enable_pathfinding = true
+--local stuck_timeout      = 3 -- how long before mob gets stuck in place and starts searching
+--local stuck_path_timeout = 10 -- how long will mob follow path before giving up
 
 -- default nodes
-local node_ice       = "mcl_core:ice"
-local node_snowblock = "mcl_core:snowblock"
-local node_snow      = "mcl_core:snow"
+--local node_ice       = "mcl_core:ice"
+--local node_snowblock = "mcl_core:snowblock"
+--local node_snow      = "mcl_core:snow"
 mobs.fallback_node   = minetest.registered_aliases["mapgen_dirt"] or "mcl_core:dirt"
 
-local mod_weather     = minetest_get_modpath("mcl_weather") ~= nil
-local mod_explosions  = minetest_get_modpath("mcl_explosions") ~= nil
-local mod_mobspawners = minetest_get_modpath("mcl_mobspawners") ~= nil
-local mod_hunger      = minetest_get_modpath("mcl_hunger") ~= nil
-local mod_worlds      = minetest_get_modpath("mcl_worlds") ~= nil
-local mod_armor       = minetest_get_modpath("mcl_armor") ~= nil
-local mod_experience  = minetest_get_modpath("mcl_experience") ~= nil
+--local mod_weather     = minetest_get_modpath("mcl_weather")
+--local mod_explosions  = minetest_get_modpath("mcl_explosions")
+local mod_mobspawners = minetest_get_modpath("mcl_mobspawners")
+--local mod_hunger      = minetest_get_modpath("mcl_hunger")
+--local mod_worlds      = minetest_get_modpath("mcl_worlds")
+--local mod_armor       = minetest_get_modpath("mcl_armor")
+--local mod_experience  = minetest_get_modpath("mcl_experience")
 
 
 -- random locals I found
-local los_switcher    = false
-local height_switcher = false
+--local los_switcher    = false
+--local height_switcher = false
 
 -- Get translator
 local S = minetest.get_translator("mcl_mobs")
 
 -- CMI support check
-local use_cmi = minetest.global_exists("cmi")
-
-
--- Invisibility mod check
-mobs.invis = {}
-if minetest.global_exists("invisibility") then
-	mobs.invis = invisibility
-end
-
+--local use_cmi = minetest.global_exists("cmi")
 
 -- creative check
 function mobs.is_creative(name)
 	return minetest_is_creative_enabled(name)
 end
 
-
-local atan = function(x)
+--[[local function atan(x)
 	if not x or x ~= x then
 		return 0
 	else
-		return math_atan(x)
+		return math.atan(x)
 	end
-end
-
-
-
+end]]
 
 -- Shows helpful debug info above each mob
-local mobs_debug = minetest_settings:get_bool("mobs_debug", false)
+--local mobs_debug = minetest_settings:get_bool("mobs_debug", false)
 
 -- Peaceful mode message so players will know there are no monsters
 if minetest_settings:get_bool("only_peaceful_mobs", false) then
@@ -191,7 +169,7 @@ function mobs:register_mob(name, def)
 		if (not value) or (value == default) or (value == special) then
 			return default
 		else
-			return math_max(min, value * difficulty)
+			return math.max(min, value * difficulty)
 		end
 	end
 
@@ -366,15 +344,11 @@ function mobs:register_mob(name, def)
 		random_sound_timer_min = 3,
 		random_sound_timer_max = 10,
 
-
 		--head code variables
 		--defaults are for the cow's default
 		--because I don't know what else to set them
 		--to :P
 
-		has_head = def.has_head or false,
-		head_bone = def.head_bone,
-
 		--you must use these to adjust the mob's head positions
 
 		--has_head is used as a logic gate (quick easy check)
@@ -444,7 +418,7 @@ function mobs:register_mob(name, def)
 		--on_detach_child = mob_detach_child,
 
 		on_activate = function(self, staticdata, dtime)
-			self.object:set_acceleration(vector_new(0,-GRAVITY, 0))
+			self.object:set_acceleration(vector.new(0,-GRAVITY, 0))
 			return mobs.mob_activate(self, staticdata, def, dtime)
 		end,
 
@@ -556,10 +530,10 @@ function mobs:register_arrow(name, def)
 			and def.tail_texture then
 
 				--do this to prevent clipping through main entity sprite
-				local pos_adjustment = vector_multiply(vector_normalize(vel), -1)
+				local pos_adjustment = vector.multiply(vector.normalize(vel), -1)
 				local divider = def.tail_distance_divider or 1
-				pos_adjustment = vector_divide(pos_adjustment, divider)
-				local new_pos = vector_add(pos, pos_adjustment)
+				pos_adjustment = vector.divide(pos_adjustment, divider)
+				local new_pos = vector.add(pos, pos_adjustment)
 				minetest.add_particle({
 					pos = new_pos,
 					velocity = {x = 0, y = 0, z = 0},
@@ -693,12 +667,12 @@ function mobs:register_egg(mob, desc, background, addegg, no_creative)
 
 			if pos
 			--and within_limits(pos, 0)
-			and not minetest_is_protected(pos, placer:get_player_name()) then
+			and not minetest.is_protected(pos, placer:get_player_name()) then
 
 				local name = placer:get_player_name()
 				local privs = minetest.get_player_privs(name)
 				if mod_mobspawners and under.name == "mcl_mobspawners:spawner" then
-					if minetest_is_protected(pointed_thing.under, name) then
+					if minetest.is_protected(pointed_thing.under, name) then
 						minetest.record_protection_violation(pointed_thing.under, name)
 						return itemstack
 					end
@@ -743,7 +717,7 @@ function mobs:register_egg(mob, desc, background, addegg, no_creative)
 						nametag = string.sub(nametag, 1, MAX_MOB_NAME_LENGTH)
 					end
 					ent.nametag = nametag
-					update_tag(ent)
+					--update_tag(ent)
 				end
 
 				-- if not in creative then take item

mods/ENTITIES/mcl_mobs/api/mob_functions/ai.lua

@@ -1,12 +1,8 @@
-local math_random = math.random
-local math_pi     = math.pi
-local math_floor  = math.floor
-local math_round  = math.round
+local math = math
+local vector = vector
+local string = string
 
-local vector_multiply = vector.multiply
-local vector_add      = vector.add
-local vector_new      = vector.new
-local vector_distance = vector.distance
+local tonumber = tonumber
 
 local minetest_yaw_to_dir                   = minetest.yaw_to_dir
 local minetest_get_item_group               = minetest.get_item_group
@@ -17,9 +13,8 @@ local minetest_get_node_light               = minetest.get_node_light
 local DOUBLE_PI = math.pi * 2
 local THIRTY_SECONDTH_PI = DOUBLE_PI * 0.03125
 
-
 --a simple helper function which is too small to move into movement.lua
-local quick_rotate = function(self,dtime)
+local function quick_rotate(self,dtime)
 	self.yaw = self.yaw + THIRTY_SECONDTH_PI
 	if self.yaw > DOUBLE_PI then
 		self.yaw = self.yaw - DOUBLE_PI
@@ -28,7 +23,7 @@ end
 
 --a simple helper function for rounding
 --http://lua-users.org/wiki/SimpleRound
-function round2(num, numDecimalPlaces)
+local function round2(num, numDecimalPlaces)
 	return tonumber(string.format("%." .. (numDecimalPlaces or 0) .. "f", num))
 end
 
@@ -43,7 +38,7 @@ end
 ]]--
 
 --this is basically reverse jump_check
-local cliff_check = function(self,dtime)
+local function cliff_check(self,dtime)
 	--mobs will flip out if they are falling without this
 	if self.object:get_velocity().y ~= 0 then
 		return false
@@ -54,20 +49,19 @@ local cliff_check = function(self,dtime)
 	local collisionbox = self.object:get_properties().collisionbox
 	local radius = collisionbox[4] + 0.5
 
-	dir = vector_multiply(dir,radius)
+	dir = vector.multiply(dir,radius)
 
-	local free_fall, blocker = minetest_line_of_sight(
+	local free_fall = minetest_line_of_sight(
 		{x = pos.x + dir.x, y = pos.y, z = pos.z + dir.z},
 		{x = pos.x + dir.x, y = pos.y - self.fear_height, z = pos.z + dir.z})
 
 	return free_fall
 end
 
-
 -- state switching logic (stand, walk, run, attacks)
 local land_state_list_wandering = {"stand", "walk"}
 
-local land_state_switch = function(self, dtime)
+local function land_state_switch(self, dtime)
 
 	--do math before sure not attacking, following, or running away so continue
 	--doing random walking for mobs if all states are not met
@@ -120,7 +114,7 @@ local land_state_switch = function(self, dtime)
 end
 
 -- states are executed here
-local land_state_execution = function(self,dtime)
+local function land_state_execution(self, dtime)
 
 	--[[ -- this is a debug which shows the timer and makes mobs breed 100 times faster
 	print(self.breed_timer)
@@ -137,7 +131,6 @@ local land_state_execution = function(self,dtime)
 		return
 	end
 
-
 	--timer to time out looking for mate
 	if self.breed_lookout_timer and self.breed_lookout_timer > 0 then
 		self.breed_lookout_timer = self.breed_lookout_timer - dtime
@@ -176,12 +169,12 @@ local land_state_execution = function(self,dtime)
 			if velocity.y < 0 then
 				--lua is acting really weird so we have to help it
 				if round2(self.object:get_acceleration().y, 1) == -self.gravity then
-					self.object:set_acceleration(vector_new(0,0,0))
+					self.object:set_acceleration(vector.new(0,0,0))
 					mobs.mob_fall_slow(self)
 				end
 			else
 				if round2(self.object:get_acceleration().y, 1) == 0 then
-					self.object:set_acceleration(vector_new(0,-self.gravity,0))
+					self.object:set_acceleration(vector.new(0,-self.gravity,0))
 				end
 			end
 		end
@@ -207,14 +200,12 @@ local land_state_execution = function(self,dtime)
 
 		mobs.lock_yaw(self)
 	elseif self.state == "follow" then
-
 		--always look at players
 		mobs.set_yaw_while_following(self)
 
 		--check distance
-		local distance_from_follow_person = vector_distance(self.object:get_pos(), self.following_person:get_pos())
+		local distance_from_follow_person = vector.distance(self.object:get_pos(), self.following_person:get_pos())
 		local distance_2d = mobs.get_2d_distance(self.object:get_pos(), self.following_person:get_pos())
-				
 		--don't push the player if too close
 		--don't spin around randomly
 		if self.follow_distance < distance_from_follow_person and self.minimum_follow_distance < distance_2d then
@@ -240,7 +231,7 @@ local land_state_execution = function(self,dtime)
 			self.walk_timer = math.random(1,6) + math.random()
 
 			--set the mob into a random direction
-			self.yaw = (math_random() * (math.pi * 2))
+			self.yaw = (math.random() * (math.pi * 2))
 		end
 
 		--do animation
@@ -253,9 +244,7 @@ local land_state_execution = function(self,dtime)
 		local node_in_front_of = mobs.jump_check(self)
 
 		if node_in_front_of == 1 then
-
 			mobs.jump(self)
-		
 			--turn if on the edge of cliff
 			--(this is written like this because unlike
 			--jump_check which simply tells the mob to jump
@@ -292,9 +281,7 @@ local land_state_execution = function(self,dtime)
 		local node_in_front_of = mobs.jump_check(self)
 
 		if node_in_front_of == 1 then
-
 			mobs.jump(self)
-		
 		--turn if on the edge of cliff
 		--(this is written like this because unlike
 		--jump_check which simply tells the mob to jump
@@ -342,7 +329,7 @@ local land_state_execution = function(self,dtime)
 			mobs.set_velocity(self, self.walk_velocity)
 
 			--smoosh together basically
-			if vector_distance(self.object:get_pos(), mate:get_pos()) <= self.breed_distance then
+			if vector.distance(self.object:get_pos(), mate:get_pos()) <= self.breed_distance then
 				mobs.set_mob_animation(self, "stand")
 				if self.special_breed_timer == 0 then
 					self.special_breed_timer = 2 --breeding takes 2 seconds
@@ -353,7 +340,7 @@ local land_state_execution = function(self,dtime)
 
 					--pop a baby out, it's a miracle!
 					local baby_pos = vector.divide(vector.add(self.object:get_pos(), mate:get_pos()), 2)
-					local baby_mob = minetest.add_entity(pos, self.name, minetest.serialize({baby = true, grow_up_timer = self.grow_up_goal, bred = true}))
+					minetest.add_entity(baby_pos, self.name, minetest.serialize({baby = true, grow_up_timer = self.grow_up_goal, bred = true}))
 
 					mobs.play_sound_specific(self,"item_drop_pickup")
 
@@ -376,13 +363,12 @@ local land_state_execution = function(self,dtime)
 		end
 
 	end
-	
 	if float_now then
 		mobs.float(self)
 	else
 		local acceleration = self.object:get_acceleration()
 		if acceleration and acceleration.y == 0 then
-			self.object:set_acceleration(vector_new(0,-self.gravity,0))
+			self.object:set_acceleration(vector.new(0,-self.gravity,0))
 		end
 	end
 end
@@ -404,7 +390,7 @@ end
 -- state switching logic (stand, walk, run, attacks)
 local swim_state_list_wandering = {"stand", "swim"}
 
-local swim_state_switch = function(self, dtime)
+local function swim_state_switch(self, dtime)
 	self.state_timer = self.state_timer - dtime
 	if self.state_timer <= 0 then
 		self.state_timer = math.random(4,10) + math.random()
@@ -414,7 +400,7 @@ end
 
 
 --check if a mob needs to turn while swimming
-local swim_turn_check = function(self,dtime)
+local function swim_turn_check(self,dtime)
 
 	local pos = self.object:get_pos()
 	pos.y = pos.y + 0.1
@@ -423,32 +409,31 @@ local swim_turn_check = function(self,dtime)
 	local collisionbox = self.object:get_properties().collisionbox
 	local radius = collisionbox[4] + 0.5
 
-    vector_multiply(dir, radius)
+	vector.multiply(dir, radius)
 
 	local test_dir = vector.add(pos,dir)
 
 	local green_flag_1 = minetest_get_item_group(minetest_get_node(test_dir).name, "solid") ~= 0
 
-	return(green_flag_1)
+	return green_flag_1
 end
 
 --this is to swap the built in engine acceleration modifier
-local swim_physics_swapper = function(self,inside_swim_node)
-
+local function swim_physics_swapper(self, inside_swim_node)
 	--should be swimming, gravity is applied, switch to floating
 	if inside_swim_node and self.object:get_acceleration().y ~= 0 then
-		self.object:set_acceleration(vector_new(0,0,0))
+		self.object:set_acceleration(vector.new(0,0,0))
 	--not be swim, gravity isn't applied, switch to falling
 	elseif not inside_swim_node and self.object:get_acceleration().y == 0 then
 		self.pitch = 0
-		self.object:set_acceleration(vector_new(0,-self.gravity,0))
+		self.object:set_acceleration(vector.new(0,-self.gravity,0))
 	end
 end
 
 
 local random_pitch_multiplier = {-1,1}
 -- states are executed here
-local swim_state_execution = function(self,dtime)
+local function swim_state_execution(self, dtime)
 
 	local pos = self.object:get_pos()
 
@@ -482,22 +467,17 @@ local swim_state_execution = function(self,dtime)
 			end
 
 			mobs.lock_yaw(self)
-
 		elseif self.state == "swim" then
-
 			self.walk_timer = self.walk_timer - dtime
-
 			--reset the walk timer
 			if self.walk_timer <= 0 then
-	
 				--re-randomize the walk timer
 				self.walk_timer = math.random(1,6) + math.random()
-	
 				--set the mob into a random direction
-				self.yaw = (math_random() * (math.pi * 2))
+				self.yaw = (math.random() * (math.pi * 2))
 
 				--create a truly random pitch, since there is no easy access to pitch math that I can find
-				self.pitch = math_random() * math.random(1,3) * random_pitch_multiplier[math_random(1,2)]
+				self.pitch = math.random() * math.random(1,3) * random_pitch_multiplier[math.random(1,2)]
 			end
 
 			--do animation
@@ -548,7 +528,7 @@ ______ _
 -- state switching logic (stand, walk, run, attacks)
 local fly_state_list_wandering = {"stand", "fly"}
 
-local fly_state_switch = function(self, dtime)
+local function fly_state_switch(self, dtime)
 
 	if self.hostile and self.attacking then
 		self.state = "attack"
@@ -564,7 +544,7 @@ end
 
 
 --check if a mob needs to turn while flying
-local fly_turn_check = function(self,dtime)
+local function fly_turn_check(self, dtime)
 
 	local pos = self.object:get_pos()
 	pos.y = pos.y + 0.1
@@ -573,32 +553,32 @@ local fly_turn_check = function(self,dtime)
 	local collisionbox = self.object:get_properties().collisionbox
 	local radius = collisionbox[4] + 0.5
 
-    vector_multiply(dir, radius)
+	vector.multiply(dir, radius)
 
 	local test_dir = vector.add(pos,dir)
 
 	local green_flag_1 = minetest_get_item_group(minetest_get_node(test_dir).name, "solid") ~= 0
 
-	return(green_flag_1)
+	return green_flag_1
 end
 
 --this is to swap the built in engine acceleration modifier
-local fly_physics_swapper = function(self,inside_fly_node)
+local function fly_physics_swapper(self, inside_fly_node)
 
 	--should be flyming, gravity is applied, switch to floating
 	if inside_fly_node and self.object:get_acceleration().y ~= 0 then
-		self.object:set_acceleration(vector_new(0,0,0))
+		self.object:set_acceleration(vector.new(0,0,0))
 	--not be fly, gravity isn't applied, switch to falling
 	elseif not inside_fly_node and self.object:get_acceleration().y == 0 then
 		self.pitch = 0
-		self.object:set_acceleration(vector_new(0,-self.gravity,0))
+		self.object:set_acceleration(vector.new(0,-self.gravity,0))
 	end
 end
 
 
 local random_pitch_multiplier = {-1,1}
 -- states are executed here
-local fly_state_execution = function(self,dtime)
+local function fly_state_execution(self, dtime)
 	local pos = self.object:get_pos()
 	pos.y = pos.y + 0.1
 	local current_node = minetest_get_node(pos).name
@@ -635,15 +615,13 @@ local fly_state_execution = function(self,dtime)
 
 			--reset the walk timer
 			if self.walk_timer <= 0 then
-	
 				--re-randomize the walk timer
 				self.walk_timer = math.random(1,6) + math.random()
-	
 				--set the mob into a random direction
-				self.yaw = (math_random() * (math.pi * 2))
+				self.yaw = (math.random() * (math.pi * 2))
 
 				--create a truly random pitch, since there is no easy access to pitch math that I can find
-				self.pitch = math_random() * math.random(1,3) * random_pitch_multiplier[math_random(1,2)]
+				self.pitch = math.random() * math.random(1,3) * random_pitch_multiplier[math.random(1,2)]
 			end
 
 			--do animation
@@ -663,9 +641,7 @@ local fly_state_execution = function(self,dtime)
 
 			--enable rotation locking
 			mobs.movement_rotation_lock(self)
-
 		elseif self.state == "attack" then
-		
 			--execute mob attack type
 			--if self.attack_type == "explode" then
 
@@ -709,8 +685,7 @@ end
 
 
 --check if a mob needs to turn while jumping
-local jump_turn_check = function(self,dtime)
-
+--[[local function jump_turn_check(self, dtime)
 	local pos = self.object:get_pos()
 	pos.y = pos.y + 0.1
 	local dir = minetest_yaw_to_dir(self.yaw)
@@ -718,19 +693,19 @@ local jump_turn_check = function(self,dtime)
 	local collisionbox = self.object:get_properties().collisionbox
 	local radius = collisionbox[4] + 0.5
 
-    vector_multiply(dir, radius)
+	vector.multiply(dir, radius)
 
 	local test_dir = vector.add(pos,dir)
 
 	local green_flag_1 = minetest_get_item_group(minetest_get_node(test_dir).name, "solid") ~= 0
 
-	return(green_flag_1)
-end
+	return green_flag_1
+end]]
 
 -- state switching logic (stand, jump, run, attacks)
 local jump_state_list_wandering = {"stand", "jump"}
 
-local jump_state_switch = function(self, dtime)
+local function jump_state_switch(self, dtime)
 	self.state_timer = self.state_timer - dtime
 	if self.state_timer <= 0 then
 		self.state_timer = math.random(4,10) + math.random()
@@ -739,8 +714,8 @@ local jump_state_switch = function(self, dtime)
 end
 
 -- states are executed here
-local jump_state_execution = function(self,dtime)
-
+local function jump_state_execution(self, dtime)
+	local node_in_front_of = mobs.jump_check(self)
 	local pos = self.object:get_pos()
 	local collisionbox = self.object:get_properties().collisionbox
 	--get the center of the mob
@@ -775,7 +750,7 @@ local jump_state_execution = function(self,dtime)
 			self.walk_timer = math.random(1,6) + math.random()
 
 			--set the mob into a random direction
-			self.yaw = (math_random() * (math.pi * 2))
+			self.yaw = (math.random() * (math.pi * 2))
 		end
 
 		--do animation
@@ -793,15 +768,10 @@ local jump_state_execution = function(self,dtime)
 		mobs.jump_move(self,self.walk_velocity)
 
 	elseif self.state == "run" then
-
 		print("run")
-
 	elseif self.state == "attack" then
-
 		print("attack")
-
 	end
-	
 	if float_now then
 		mobs.float(self)
 	end
@@ -822,7 +792,7 @@ ___  ___      _         _                 _
 ]]--
 
 --the main loop
-mobs.mob_step = function(self, dtime)
+function mobs.mob_step(self, dtime)
 
 	--do not continue if non-existent
 	if not self or not self.object or not self.object:get_luaentity() then
@@ -916,7 +886,6 @@ mobs.mob_step = function(self, dtime)
 
 		elseif self.breath < self.breath_max then
 			self.breath = self.breath + dtime
-			
 			--clean timer reset
 			if self.breath > self.breath_max then
 				self.breath = self.breath_max
@@ -948,10 +917,6 @@ mobs.mob_step = function(self, dtime)
 		end
 	end
 
-	
-
-	
-
 	--baby grows up
 	if self.baby then
 		--print(self.grow_up_timer)
@@ -969,8 +934,6 @@ mobs.mob_step = function(self, dtime)
 		end
 	end
 
-
-
 	--do custom mob instructions
 	if self.do_custom then
 		-- when false skip going any further
@@ -1015,7 +978,7 @@ mobs.mob_step = function(self, dtime)
 			self.memory = self.memory - dtime
 			--get if memory player is within viewing range
 			if self.attacking and self.attacking:is_player() then
-				local distance = vector_distance(self.object:get_pos(), self.attacking:get_pos())
+				local distance = vector.distance(self.object:get_pos(), self.attacking:get_pos())
 				if distance > self.view_range then
 					self.memory = 0
 				end
@@ -1124,28 +1087,22 @@ mobs.mob_step = function(self, dtime)
 	--overrides absolutely everything
 	--mobs get stuck in cobwebs like players
 	if not self.ignores_cobwebs then
-
 		local pos = self.object:get_pos()
 		local node = pos and minetest_get_node(pos).name
-		
 		if node == "mcl_core:cobweb" then
-
 			--fight the rest of the api
 			if self.object:get_acceleration().y ~= 0 then
-				self.object:set_acceleration(vector_new(0,0,0))
+				self.object:set_acceleration(vector.new(0,0,0))
 			end
-
 			mobs.stick_in_cobweb(self)
-
 			self.was_stuck_in_cobweb = true
-
 		else
 			--do not override other functions
 			if self.was_stuck_in_cobweb == true then
 				--return the mob back to normal
 				self.was_stuck_in_cobweb = nil
 				if self.object:get_acceleration().y == 0 and not self.swim and not self.fly then
-					self.object:set_acceleration(vector_new(0,-self.gravity,0))
+					self.object:set_acceleration(vector.new(0,-self.gravity,0))
 				end
 			end
 		end

mods/ENTITIES/mcl_mobs/api/mob_functions/animation.lua

@@ -1,7 +1,7 @@
-local math_pi     = math.pi
-local math_floor  = math.floor
-local math_random = math.random
-local HALF_PI     = math_pi/2
+local math = math
+local vector = vector
+
+local HALF_PI     = math.pi/2
 
 
 local vector_direction = vector.direction
@@ -48,7 +48,6 @@ mobs.set_mob_animation = function(self, anim, fixed_frame)
 		self.animation[anim .. "_speed"] or self.animation.speed_normal or 15,
 		0, self.animation[anim .. "_loop"] ~= false)
 
-
 	self.current_animation = anim
 end
 
@@ -65,14 +64,14 @@ mobs.death_effect = function(pos, yaw, collisionbox, rotate)
 		max = { x = 0.5, y = 0.5, z = 0.5 }
 	end
 	if rotate then
-		min = vector.rotate(min, {x=0, y=yaw, z=math_pi/2})
-		max = vector.rotate(max, {x=0, y=yaw, z=math_pi/2})
+		min = vector.rotate(min, {x=0, y=yaw, z=math.pi/2})
+		max = vector.rotate(max, {x=0, y=yaw, z=math.pi/2})
 		min, max = vector.sort(min, max)
 		min = vector.multiply(min, 0.5)
 		max = vector.multiply(max, 0.5)
 	end
 
-	minetest_add_particlespawner({
+	minetest.add_particlespawner({
 		amount = 50,
 		time = 0.001,
 		minpos = vector.add(pos, min),
@@ -88,7 +87,7 @@ mobs.death_effect = function(pos, yaw, collisionbox, rotate)
 		texture = "mcl_particles_mob_death.png^[colorize:#000000:255",
 	})
 
-	minetest_sound_play("mcl_mobs_mob_poof", {
+	minetest.sound_play("mcl_mobs_mob_poof", {
 		pos = pos,
 		gain = 1.0,
 		max_hear_distance = 8,
@@ -99,7 +98,6 @@ end
 --this allows auto facedir rotation while making it so mobs
 --don't look like wet noodles flopping around
 mobs.movement_rotation_lock = function(self)
-	
 	local current_engine_yaw = self.object:get_yaw()
 	local current_lua_yaw = self.yaw
 
@@ -159,7 +157,7 @@ local calculate_pitch = function(self)
 		return false
 	end
 
-    return(minetest_dir_to_yaw(vector_new(vector_distance(vector_new(pos.x,0,pos.z),vector_new(pos2.x,0,pos2.z)),0,pos.y - pos2.y)) + HALF_PI)
+    return minetest_dir_to_yaw(vector_new(vector_distance(vector_new(pos.x,0,pos.z),vector_new(pos2.x,0,pos2.z)),0,pos.y - pos2.y)) + HALF_PI
 end
 
 --this is a helper function used to make mobs pitch rotation dynamically flow when flying/swimming

mods/ENTITIES/mcl_mobs/api/mob_functions/attack_type_instructions.lua

@@ -1,5 +1,5 @@
 local vector_direction = vector.direction
-local minetest_dir_to_yaw = minetest.dir_to_yaw
+--local minetest_dir_to_yaw = minetest.dir_to_yaw
 local vector_distance = vector.distance
 local vector_multiply = vector.multiply
 local math_random  = math.random
@@ -75,7 +75,6 @@ mobs.explode_attack_walk = function(self,dtime)
 		mobs.jump(self)
     end
 
-
     --do biggening explosion thing
     if self.explosion_animation and self.explosion_animation > self.explosion_timer then
         mcl_explosions.explode(self.object:get_pos(), self.explosion_strength,{ drop_chance = 1.0 })
@@ -113,7 +112,6 @@ ______                 _
 
 
 mobs.punch_attack_walk = function(self,dtime)
-    
     --this needs an exception
     if self.attacking == nil or not self.attacking:is_player() then
         self.attacking = nil
@@ -282,7 +280,6 @@ ______          _           _   _ _
 local random_pitch_multiplier = {-1,1}
 
 mobs.projectile_attack_fly = function(self, dtime)
-
     --this needs an exception
     if self.attacking == nil or not self.attacking:is_player() then
         self.attacking = nil

mods/ENTITIES/mcl_mobs/api/mob_functions/backup_code_api.txt

@@ -1,4 +1,7 @@
-local disable_physics = function(object, luaentity, ignore_check, reset_movement)
+local math = math
+local vector = vector
+
+local function disable_physics(object, luaentity, ignore_check, reset_movement)
 	if luaentity.physical_state == true or ignore_check == true then
 		luaentity.physical_state = false
 		object:set_properties({
@@ -12,7 +15,7 @@ local disable_physics = function(object, luaentity, ignore_check, reset_movement
 end
 
 ----For Water Flowing:
-local enable_physics = function(object, luaentity, ignore_check)
+local function enable_physics(object, luaentity, ignore_check)
 	if luaentity.physical_state == false or ignore_check == true then
 		luaentity.physical_state = true
 		object:set_properties({
@@ -272,7 +275,7 @@ local falling = function(self, pos)
 
 			self.object:set_acceleration({
 				x = 0,
-				y = -self.fall_speed / (math_max(1, v.y) ^ 2),
+				y = -self.fall_speed / (math.max(1, v.y) ^ 2),
 				z = 0
 			})
 		end
@@ -503,9 +506,9 @@ local follow_flop = function(self)
 			if sdef and sdef.walkable then
 				mob_sound(self, "flop")
 				self.object:set_velocity({
-					x = math_random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
+					x = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
 					y = FLOP_HEIGHT,
-					z = math_random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
+					z = math.random(-FLOP_HOR_SPEED, FLOP_HOR_SPEED),
 				})
 			end
 
@@ -987,7 +990,7 @@ local check_for_death = function(self, cause, cmi_cause)
 			item_drop(self, cooked, looting)
 
 			if mod_experience and ((not self.child) or self.type ~= "animal") and (minetest_get_us_time() - self.xp_timestamp <= 5000000) then
-				mcl_experience.throw_experience(self.object:get_pos(), math_random(self.xp_min, self.xp_max))
+				mcl_experience.throw_experience(self.object:get_pos(), math.random(self.xp_min, self.xp_max))
 			end
 		end
 	end
@@ -1361,7 +1364,7 @@ local do_attack = function(self, player)
 	self.state = "attack"
 
 	-- TODO: Implement war_cry sound without being annoying
-	--if math_random(0, 100) < 90 then
+	--if math.random(0, 100) < 90 then
 		--mob_sound(self, "war_cry", true)
 	--end
 end
@@ -1396,7 +1399,7 @@ local mob_sound = function(self, soundname, is_opinion, fixed_pitch)
 				pitch = base_pitch
 			end
 			-- randomize the pitch a bit
-			pitch = pitch + math_random(-10, 10) * 0.005
+			pitch = pitch + math.random(-10, 10) * 0.005
 		end
 		minetest_sound_play(sound, {
 			object = self.object,
@@ -1699,7 +1702,7 @@ local do_env_damage = function(self)
 		end
 		if drowning then
 
-			self.breath = math_max(0, self.breath - 1)
+			self.breath = math.max(0, self.breath - 1)
 
 			effect(pos, 2, "bubble.png", nil, nil, 1, nil)
 			if self.breath <= 0 then
@@ -2044,7 +2047,7 @@ local breed = function(self)
 
 					-- Give XP
 					if mod_experience then
-						mcl_experience.throw_experience(pos, math_random(1, 7))
+						mcl_experience.throw_experience(pos, math.random(1, 7))
 					end
 
 					-- custom breed function
@@ -2061,7 +2064,7 @@ local breed = function(self)
 
 
 					-- Use texture of one of the parents
-					local p = math_random(1, 2)
+					local p = math.random(1, 2)
 					if p == 1 then
 						ent_c.base_texture = parent1.base_texture
 					else
@@ -2091,7 +2094,7 @@ local replace = function(self, pos)
 	or not self.replace_what
 	or self.child == true
 	or self.object:get_velocity().y ~= 0
-	or math_random(1, self.replace_rate) > 1 then
+	or math.random(1, self.replace_rate) > 1 then
 		return
 	end
 
@@ -2099,7 +2102,7 @@ local replace = function(self, pos)
 
 	if type(self.replace_what[1]) == "table" then
 
-		local num = math_random(#self.replace_what)
+		local num = math.random(#self.replace_what)
 
 		what = self.replace_what[num][1] or ""
 		with = self.replace_what[num][2] or ""
@@ -2163,7 +2166,7 @@ function do_states(self)
 
 	if self.state == "stand" then
 
-		if math_random(1, 4) == 1 then
+		if math.random(1, 4) == 1 then
 
 			local lp = nil
 			local s = self.object:get_pos()
@@ -2189,7 +2192,7 @@ function do_states(self)
 
 				if lp.x > s.x then yaw = yaw + math_pi end
 			else
-				yaw = yaw + math_random(-0.5, 0.5)
+				yaw = yaw + math.random(-0.5, 0.5)
 			end
 
 			yaw = set_yaw(self, yaw, 8)
@@ -2204,7 +2207,7 @@ function do_states(self)
 
 			if self.walk_chance ~= 0
 			and self.facing_fence ~= true
-			and math_random(1, 100) <= self.walk_chance
+			and math.random(1, 100) <= self.walk_chance
 			and is_at_cliff_or_danger(self) == false then
 
 				set_velocity(self, self.walk_velocity)
@@ -2254,7 +2257,7 @@ function do_states(self)
 							{x = s.x + 5, y = s.y + 1, z = s.z + 5},
 							{"group:solid"})
 
-						lp = #lp > 0 and lp[math_random(#lp)]
+						lp = #lp > 0 and lp[math.random(#lp)]
 
 						-- did we find land?
 						if lp then
@@ -2280,8 +2283,8 @@ function do_states(self)
 			else
 
 				-- Randomly turn
-				if math_random(1, 100) <= 30 then
-					yaw = yaw + math_random(-0.5, 0.5)
+				if math.random(1, 100) <= 30 then
+					yaw = yaw + math.random(-0.5, 0.5)
 					yaw = set_yaw(self, yaw, 8)
 				end
 			end
@@ -2289,9 +2292,9 @@ function do_states(self)
 			yaw = set_yaw(self, yaw, 8)
 
 		-- otherwise randomly turn
-		elseif math_random(1, 100) <= 30 then
+		elseif math.random(1, 100) <= 30 then
 
-			yaw = yaw + math_random(-0.5, 0.5)
+			yaw = yaw + math.random(-0.5, 0.5)
 			yaw = set_yaw(self, yaw, 8)
 		end
 
@@ -2302,7 +2305,7 @@ function do_states(self)
 		end
 		if self.facing_fence == true
 		or cliff_or_danger
-		or math_random(1, 100) <= 30 then
+		or math.random(1, 100) <= 30 then
 
 			set_velocity(self, 0)
 			self.state = "stand"
@@ -2602,7 +2605,7 @@ function do_states(self)
 						self.timer = 0
 
 						if self.double_melee_attack
-						and math_random(1, 2) == 1 then
+						and math.random(1, 2) == 1 then
 							set_animation(self, "punch2")
 						else
 							set_animation(self, "punch")
@@ -2669,7 +2672,7 @@ function do_states(self)
 			if self.shoot_interval
 			and self.timer > self.shoot_interval
 			and not minetest_raycast(p, self.attack:get_pos(), false, false):next()
-			and math_random(1, 100) <= 60 then
+			and math.random(1, 100) <= 60 then
 
 				self.timer = 0
 				set_animation(self, "shoot")
@@ -2759,7 +2762,7 @@ end
 
 
 -- Code to execute before custom on_rightclick handling
-local on_rightclick_prefix = function(self, clicker)
+local function on_rightclick_prefix(self, clicker)
 	local item = clicker:get_wielded_item()
 
 	-- Name mob with nametag
@@ -2785,17 +2788,17 @@ local on_rightclick_prefix = function(self, clicker)
 	return false
 end
 
-local create_mob_on_rightclick = function(on_rightclick)
+--[[local function create_mob_on_rightclick(on_rightclick)
 	return function(self, clicker)
 		local stop = on_rightclick_prefix(self, clicker)
 		if (not stop) and (on_rightclick) then
 			on_rightclick(self, clicker)
 		end
 	end
-end
+end]]
 
 -- set and return valid yaw
-local set_yaw = function(self, yaw, delay, dtime)
+local function set_yaw(self, yaw, delay, dtime)
 
 	if not yaw or yaw ~= yaw then
 		yaw = 0
@@ -2805,7 +2808,7 @@ local set_yaw = function(self, yaw, delay, dtime)
 
 	if delay == 0 then
 		if self.shaking and dtime then
-			yaw = yaw + (math_random() * 2 - 1) * 5 * dtime
+			yaw = yaw + (math.random() * 2 - 1) * 5 * dtime
 		end
 		self.yaw(yaw)
 		update_roll(self)
@@ -2825,8 +2828,7 @@ function mobs:yaw(self, yaw, delay, dtime)
 end
 
 
-mob_step = function()
-
+--mob_step = function()
 	--if self.state == "die" then
 	--	print("need custom die stop moving thing")
 	--	return
@@ -2901,7 +2903,7 @@ mob_step = function()
 	--end
 
 	-- mob plays random sound at times
-	--if math_random(1, 70) == 1 then
+	--if math.random(1, 70) == 1 then
 	--	mob_sound(self, "random", true)
 	--end
 
@@ -2934,11 +2936,11 @@ mob_step = function()
 
 
 	--if is_at_water_danger(self) and self.state ~= "attack" then
-	--	if math_random(1, 10) <= 6 then
+	--	if math.random(1, 10) <= 6 then
 	--		set_velocity(self, 0)
 	--		self.state = "stand"
 	--		set_animation(self, "stand")
-	--		yaw = yaw + math_random(-0.5, 0.5)
+	--		yaw = yaw + math.random(-0.5, 0.5)
 	--		yaw = set_yaw(self, yaw, 8)
 	--	end
 	--end
@@ -2982,7 +2984,7 @@ mob_step = function()
 			mcl_burning.extinguish(self.object)
 			self.object:remove()
 		elseif self.lifetimer <= 10 then
-			if math_random(10) < 4 then
+			if math.random(10) < 4 then
 				self.despawn_immediately = true
 			else
 				self.lifetimer = 20
@@ -2991,4 +2993,4 @@ mob_step = function()
 	end
 	]]--
 
-end
+--end

mods/ENTITIES/mcl_mobs/api/mob_functions/breeding.lua

@@ -1,14 +1,13 @@
 local minetest_get_objects_inside_radius = minetest.get_objects_inside_radius
 
-local vector_distance = vector.distance
+local vector = vector
 
 --check to see if someone nearby has some tasty food
 mobs.check_following = function(self) -- returns true or false
-
     --ignore
     if not self.follow then
         self.following_person = nil
-        return(false)
+        return false
     end
 
     --hey look, this thing works for passive mobs too!
@@ -20,20 +19,20 @@ mobs.check_following = function(self) -- returns true or false
         --safety check
         if not stack then
             self.following_person = nil
-            return(false)
+            return false
         end
 
         local item_name = stack:get_name()
         --all checks have passed, that guy has some good looking food
         if item_name == self.follow then
             self.following_person = follower
-            return(true)
+            return true
         end
     end
 
     --everything failed
     self.following_person = nil
-    return(false)
+    return false
 end
 
 --a function which attempts to make mobs enter
@@ -42,25 +41,25 @@ mobs.enter_breed_state = function(self,clicker)
 
     --do not breed if baby
     if self.baby then
-        return(false)
+        return false
     end
 
     --do not do anything if looking for mate or
     --if cooling off from breeding
     if self.breed_lookout_timer > 0 or self.breed_timer > 0 then
-        return(false)
+        return false
     end
 
     --if this is caught, that means something has gone
     --seriously wrong
     if not clicker or not clicker:is_player() then
-        return(false)
+        return false
     end
 
     local stack = clicker:get_wielded_item()
     --safety check
     if not stack then
-        return(false)
+        return false
     end
 
     local item_name = stack:get_name()
@@ -73,11 +72,11 @@ mobs.enter_breed_state = function(self,clicker)
         self.breed_lookout_timer = self.breed_lookout_timer_goal
         self.bred = true
         mobs.play_sound_specific(self,"mobs_mc_animal_eat_generic")
-        return(true)
+        return true
     end
 
     --everything failed
-    return(false)
+    return false
 end
 
 
@@ -104,15 +103,15 @@ mobs.look_for_mate = function(self)
 
 			local pos2 = mate:get_pos()
 
-			local distance = vector_distance(pos1,pos2)
+			local distance = vector.distance(pos1,pos2)
 
 			if distance <= radius then
-				if line_of_sight then
+				if minetest.line_of_sight then
 					--must add eye height or stuff breaks randomly because of
 					--seethrough nodes being a blocker (like grass)
-					if minetest_line_of_sight(
-							vector_new(pos1.x, pos1.y, pos1.z), 
-							vector_new(pos2.x, pos2.y + mate:get_properties().eye_height, pos2.z)
+					if minetest.line_of_sight(
+							vector.new(pos1.x, pos1.y, pos1.z),
+							vector.new(pos2.x, pos2.y + mate:get_properties().eye_height, pos2.z)
 						) then
 						mates_detected = mates_detected + 1
 						mates_in_area[mate] = distance
@@ -141,9 +140,7 @@ mobs.look_for_mate = function(self)
 			winner_mate = mate
 		end
 	end
-
-	return(winner_mate)
-
+	return winner_mate
 end
 
 --make the baby grow up
@@ -161,7 +158,7 @@ mobs.make_baby_grow_faster = function(self,clicker)
         local stack = clicker:get_wielded_item()
         --safety check
         if not stack then
-            return(false)
+            return false
         end
 
         local item_name = stack:get_name()
@@ -175,10 +172,8 @@ mobs.make_baby_grow_faster = function(self,clicker)
             end
 
             mobs.play_sound_specific(self,"mobs_mc_animal_eat_generic")
-
-            return(true)
+            return true
         end
     end
-
-    return(false)
+    return false
 end

mods/ENTITIES/mcl_mobs/api/mob_functions/collision.lua

@@ -8,10 +8,8 @@ local vector_direction = vector.direction
 local integer_test = {-1,1}
 
 mobs.collision = function(self)
-				
 	local pos = self.object:get_pos()
 
-
 	if not self or not self.object or not self.object:get_luaentity() then
 		return
 	end
@@ -104,11 +102,9 @@ mobs.collision = function(self)
 						end
 					end
 				end
-			
 				self.object:add_velocity(vel1)
 				object:add_velocity(vel2)
 			end
-			
 		end
 	end
 end
@@ -116,7 +112,6 @@ end
 
 --this is used for arrow collisions
 mobs.arrow_hit = function(self, player)
-	
     player:punch(self.object, 1.0, {
         full_punch_interval = 1.0,
         damage_groups = {fleshy = self._damage}

mods/ENTITIES/mcl_mobs/api/mob_functions/death_logic.lua

@@ -1,5 +1,5 @@
 local minetest_add_item = minetest.add_item
-local minetest_sound_play = minetest.sound_play
+--local minetest_sound_play = minetest.sound_play
 
 local math_pi     = math.pi
 local math_random = math.random
@@ -19,7 +19,7 @@ local item_drop = function(self, cooked, looting_level)
 		return
 	end
 
-	local obj, item, num
+	local obj, item
 	local pos = self.object:get_pos()
 
 	self.drops = self.drops or {} -- nil check
@@ -56,8 +56,11 @@ local item_drop = function(self, cooked, looting_level)
 			-- cook items when true
 			if cooked then
 
-				local output = minetest_get_craft_result({
-					method = "cooking", width = 1, items = {item}})
+				local output = minetest.get_craft_result({
+					method = "cooking",
+                    width = 1,
+                    items = {item},
+                })
 
 				if output and output.item and not output.item:is_empty() then
 					item = output.item:get_name()
@@ -117,15 +120,10 @@ mobs.death_logic = function(self, dtime)
 
     --the final POOF of a mob despawning
     if self.death_animation_timer >= 1.25 then
-
         item_drop(self,false,1)
-
         mobs.death_effect(self)
-
 		mcl_experience.throw_experience(self.object:get_pos(), math_random(self.xp_min, self.xp_max))
-		
         self.object:remove()
-
         return
     end
 

mods/ENTITIES/mcl_mobs/api/mob_functions/environment.lua

@@ -1,5 +1,5 @@
 local minetest_line_of_sight = minetest.line_of_sight
-local minetest_dir_to_yaw    = minetest.dir_to_yaw
+--local minetest_dir_to_yaw    = minetest.dir_to_yaw
 local minetest_yaw_to_dir    = minetest.yaw_to_dir
 local minetest_get_node      = minetest.get_node
 local minetest_get_item_group = minetest.get_item_group
@@ -18,19 +18,16 @@ local table_copy = table.copy
 local math_abs = math.abs
 
 -- default function when mobs are blown up with TNT
-local do_tnt = function(obj, damage)
-
+--[[local function do_tnt(obj, damage)
 	obj.object:punch(obj.object, 1.0, {
 		full_punch_interval = 1.0,
 		damage_groups = {fleshy = damage},
 	}, nil)
-
 	return false, true, {}
-end
+end]]
 
 --a fast function to be able to detect only players without using objects_in_radius
 mobs.detect_closest_player_within_radius = function(self, line_of_sight, radius, object_height_adder)
-	
 	local pos1 = self.object:get_pos()
 	local players_in_area = {}
 	local winner_player = nil
@@ -79,8 +76,7 @@ mobs.detect_closest_player_within_radius = function(self, line_of_sight, radius,
 			winner_player = player
 		end
 	end
-
-	return(winner_player)
+	return winner_player
 end
 
 
@@ -107,14 +103,13 @@ mobs.jump_check = function(self,dtime)
 
     if green_flag_1 and green_flag_2 then
 		--can jump over node
-        return(1)
+        return 1
 	elseif green_flag_1 and not green_flag_2 then
 		--wall in front of mob
-		return(2)
+		return 2
     end
-
 	--nothing to jump over
-	return(0)
+	return 0
 end
 
 -- a helper function to quickly turn neutral passive mobs hostile
@@ -180,15 +175,10 @@ end
 -- check if within physical map limits (-30911 to 30927)
 -- within_limits, wmin, wmax = nil, -30913, 30928
 mobs.within_limits = function(pos, radius)
+    local wmin, wmax
 	if mcl_vars then
 		if mcl_vars.mapgen_edge_min and mcl_vars.mapgen_edge_max then
 			wmin, wmax = mcl_vars.mapgen_edge_min, mcl_vars.mapgen_edge_max
-			within_limits = function(pos, radius)
-				return pos
-					and (pos.x - radius) > wmin and (pos.x + radius) < wmax
-					and (pos.y - radius) > wmin and (pos.y + radius) < wmax
-					and (pos.z - radius) > wmin and (pos.z + radius) < wmax
-			end
 		end
 	end
 	return pos
@@ -231,12 +221,12 @@ mobs.check_for_player_within_area = function(self, radius)
 			local distance = vector_distance(pos1,pos2)
 			if distance < radius then
 				--found a player
-				return(true)
+				return true
 			end
 		end
 	end
 	--did not find a player
-	return(false)
+	return false
 end
 
 
@@ -244,7 +234,7 @@ end
 mobs.get_2d_distance = function(pos1,pos2)
 	pos1.y = 0
 	pos2.y = 0
-	return(vector_distance(pos1, pos2))
+	return vector_distance(pos1, pos2)
 end
 
 -- fall damage onto solid ground

mods/ENTITIES/mcl_mobs/api/mob_functions/head_logic.lua

@@ -1,12 +1,11 @@
-local vector_new = vector.new
-
+local math = math
+local vector = vector
 
 --converts yaw to degrees
 local degrees = function(yaw)
-	return(yaw*180.0/math.pi)
+	return yaw*180.0/math.pi
 end
 
-
 mobs.do_head_logic = function(self,dtime)
 
 	local player = minetest.get_player_by_name("singleplayer")
@@ -14,25 +13,18 @@ mobs.do_head_logic = function(self,dtime)
 	local look_at = player:get_pos()
 	look_at.y = look_at.y + player:get_properties().eye_height
 
-
-
-
 	local pos = self.object:get_pos()
 
 	local body_yaw = self.object:get_yaw()
 
 	local body_dir = minetest.yaw_to_dir(body_yaw)
 
-
 	pos.y = pos.y + self.head_height_offset
 
 	local head_offset = vector.multiply(body_dir, self.head_direction_offset)
 
 	pos = vector.add(pos, head_offset)
 
-
-
-
 	minetest.add_particle({
 		pos = pos,
 		velocity = {x=0, y=0, z=0},
@@ -42,9 +34,7 @@ mobs.do_head_logic = function(self,dtime)
 		texture = "default_dirt.png",
 	})
 
-
-    local bone_pos = vector_new(0,0,0)
-
+	local bone_pos = vector.new(0,0,0)
 
 	--(horizontal)
 	bone_pos.y = self.head_bone_pos_y
@@ -59,9 +49,7 @@ mobs.do_head_logic = function(self,dtime)
 	--bone_rot.x = bone_rot.x + (dtime * 10)
 	--bone_rot.z = bone_rot.z + (dtime * 10)
 
-
-    local head_yaw 
-    head_yaw = minetest.dir_to_yaw(vector.direction(pos,look_at)) - body_yaw
+	local head_yaw = minetest.dir_to_yaw(vector.direction(pos,look_at)) - body_yaw
 
 	if self.reverse_head_yaw then
 		head_yaw = head_yaw * -1
@@ -102,11 +90,9 @@ mobs.do_head_logic = function(self,dtime)
 	end
 
 	if self.swap_y_with_x then
-        self.object:set_bone_position(self.head_bone, bone_pos, vector_new(degrees(head_pitch),degrees(head_yaw),0))
+		self.object:set_bone_position(self.head_bone, bone_pos, vector.new(degrees(head_pitch),degrees(head_yaw),0))
 	else
-        self.object:set_bone_position(self.head_bone, bone_pos, vector_new(degrees(head_pitch),0,degrees(head_yaw)))
+		self.object:set_bone_position(self.head_bone, bone_pos, vector.new(degrees(head_pitch),0,degrees(head_yaw)))
 	end
-
-
 	--set_bone_position([bone, position, rotation])
 end

mods/ENTITIES/mcl_mobs/api/mob_functions/interaction.lua

@@ -2,22 +2,19 @@ local minetest_after      = minetest.after
 local minetest_sound_play = minetest.sound_play
 local minetest_dir_to_yaw = minetest.dir_to_yaw
 
-local math_floor  = math.floor
-local math_min    = math.min
-local math_random = math.random
-
-local vector_direction = vector.direction
-local vector_multiply  = vector.multiply
+local math = math
+local vector = vector
 
 local MAX_MOB_NAME_LENGTH = 30
 
+local mod_hunger = minetest.get_modpath("mcl_hunger")
+
 mobs.feed_tame = function(self)
     return nil
 end
 
 -- Code to execute before custom on_rightclick handling
-local on_rightclick_prefix = function(self, clicker)
-
+local function on_rightclick_prefix(self, clicker)
 	local item = clicker:get_wielded_item()
 
 	-- Name mob with nametag
@@ -60,7 +57,6 @@ end
 
 -- deal damage and effects when mob punched
 mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
-
 	--don't do anything if the mob is already dead
 	if self.health <= 0 then
 		return
@@ -94,14 +90,13 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 		pos2.y = 0
 
 
-		local dir = vector_direction(pos2,pos1)
+		local dir = vector.direction(pos2,pos1)
 
 		local yaw = minetest_dir_to_yaw(dir)
 
 		self.yaw = yaw
 	end
 
-
 	-- custom punch function
 	if self.do_punch then
 		-- when false skip going any further
@@ -115,21 +110,18 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 		return
 	end
 
-	
 	-- error checking when mod profiling is enabled
 	if not tool_capabilities then
 		minetest.log("warning", "[mobs_mc] Mod profiling enabled, damage not enabled")
 		return
 	end
 
-
 	local is_player = hitter:is_player()
 
-
 	-- punch interval
 	local weapon = hitter:get_wielded_item()
 
-	local punch_interval = 1.4
+	--local punch_interval = 1.4
 
 	-- exhaust attacker
 	if mod_hunger and is_player then
@@ -139,7 +131,6 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 	-- calculate mob damage
 	local damage = 0
 	local armor = self.object:get_armor_groups() or {}
-	local tmp
 
 	--calculate damage groups
 	for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
@@ -163,13 +154,13 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 
 	-- healing
 	if damage <= -1 then
-		self.health = self.health - math_floor(damage)
+		self.health = self.health - math.floor(damage)
 		return
 	end
 
-	if tool_capabilities then
-		punch_interval = tool_capabilities.full_punch_interval or 1.4
-	end
+	--if tool_capabilities then
+	--	punch_interval = tool_capabilities.full_punch_interval or 1.4
+	--end
 
 	-- add weapon wear manually
 	-- Required because we have custom health handling ("health" property)
@@ -183,7 +174,7 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 				local weapon = hitter:get_wielded_item(player)
 				local def = weapon:get_definition()
 				if def.tool_capabilities and def.tool_capabilities.punch_attack_uses then
-					local wear = math_floor(65535/tool_capabilities.punch_attack_uses)
+					local wear = math.floor(65535/tool_capabilities.punch_attack_uses)
 					weapon:add_wear(wear)
 					hitter:set_wielded_item(weapon)
 				end
@@ -240,7 +231,6 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 			up = 0
 		end
 
-
 		--0.75 for perfect distance to not be too easy, and not be too hard
 		local multiplier = 0.75
 
@@ -255,20 +245,15 @@ mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 		if self.hostile then
 			multiplier = multiplier + 2
 		end
-
-		dir = vector_multiply(dir,multiplier)
-
+		dir = vector.multiply(dir,multiplier)
 		dir.y = up
-
 		--add the velocity
 		self.object:add_velocity(dir)
-
 	end
 end
 
 --do internal per mob projectile calculations
 mobs.shoot_projectile = function(self)
-
 	local pos1 = self.object:get_pos()
 	--add mob eye height
 	pos1.y = pos1.y + self.eye_height
@@ -278,7 +263,7 @@ mobs.shoot_projectile = function(self)
 	pos2.y = pos2.y + self.attacking:get_properties().eye_height
 
 	--get direction
-	local dir = vector_direction(pos1,pos2)
+	local dir = vector.direction(pos1,pos2)
 
 	--call internal shoot_arrow function
 	self.shoot_arrow(self,pos1,dir)

mods/ENTITIES/mcl_mobs/api/mob_functions/mob_effects.lua

@@ -1,9 +1,8 @@
 local minetest_add_particlespawner = minetest.add_particlespawner
 
 mobs.death_effect = function(self)
-
     local pos = self.object:get_pos()
-    local yaw = self.object:get_yaw()
+    --local yaw = self.object:get_yaw()
     local collisionbox = self.object:get_properties().collisionbox
 
     local min, max
@@ -33,7 +32,7 @@ end
 mobs.critical_effect = function(self)
 
     local pos = self.object:get_pos()
-    local yaw = self.object:get_yaw()
+    --local yaw = self.object:get_yaw()
     local collisionbox = self.object:get_properties().collisionbox
 
     local min, max
@@ -62,9 +61,8 @@ end
 
 --when feeding a mob
 mobs.feed_effect = function(self)
-
     local pos = self.object:get_pos()
-    local yaw = self.object:get_yaw()
+    --local yaw = self.object:get_yaw()
     local collisionbox = self.object:get_properties().collisionbox
 
     local min, max
@@ -94,7 +92,7 @@ end
 --hearts when tamed
 mobs.tamed_effect = function(self)
     local pos = self.object:get_pos()
-    local yaw = self.object:get_yaw()
+    --local yaw = self.object:get_yaw()
     local collisionbox = self.object:get_properties().collisionbox
 
     local min, max
@@ -124,7 +122,7 @@ end
 --hearts when breeding
 mobs.breeding_effect = function(self)
     local pos = self.object:get_pos()
-    local yaw = self.object:get_yaw()
+    --local yaw = self.object:get_yaw()
     local collisionbox = self.object:get_properties().collisionbox
 
     local min, max

mods/ENTITIES/mcl_mobs/api/mob_functions/movement.lua

@@ -1,16 +1,10 @@
-local math_pi     = math.pi
-local math_sin    = math.sin
-local math_cos    = math.cos
-local math_random = math.random
-local HALF_PI     = math_pi / 2
-local DOUBLE_PI   = math_pi * 2
+-- localize math functions
+local math = math
+local HALF_PI     = math.pi / 2
+local DOUBLE_PI   = math.pi * 2
 
 -- localize vector functions
-local vector_new      = vector.new
-local vector_length   = vector.length
-local vector_multiply = vector.multiply
-local vector_distance = vector.distance
-local vector_normalize = vector.normalize
+local vector = vector
 
 local minetest_yaw_to_dir = minetest.yaw_to_dir
 local minetest_dir_to_yaw = minetest.dir_to_yaw
@@ -19,18 +13,17 @@ local DEFAULT_JUMP_HEIGHT = 5
 local DEFAULT_FLOAT_SPEED = 4
 local DEFAULT_CLIMB_SPEED = 3
 
-
 mobs.stick_in_cobweb = function(self)
 	local current_velocity = self.object:get_velocity()
 
-	local goal_velocity = vector_multiply(vector_normalize(current_velocity), 0.4)
+	local goal_velocity = vector.multiply(vector.normalize(current_velocity), 0.4)
 
 	goal_velocity.y = -0.5
 
 	local new_velocity_addition = vector.subtract(goal_velocity,current_velocity)
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -38,8 +31,11 @@ end
 --this is a generic float function
 mobs.float = function(self)
 
-	if self.object:get_acceleration().y ~= 0 then
-		self.object:set_acceleration(vector_new(0,0,0))
+	local acceleration = self.object:get_acceleration()
+	if acceleration and acceleration.y ~= 0 then
+		self.object:set_acceleration(vector.new(0,0,0))
+	else
+		return
 	end
 
 	local current_velocity = self.object:get_velocity()
@@ -56,7 +52,7 @@ mobs.float = function(self)
 	new_velocity_addition.z = 0
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -78,7 +74,7 @@ mobs.climb = function(self)
 	new_velocity_addition.z = 0
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -106,22 +102,22 @@ mobs.set_velocity = function(self, v)
 	local current_velocity = self.object:get_velocity()
 
 	local goal_velocity = {
-		x = (math_sin(yaw) * -v),
+		x = (math.sin(yaw) * -v),
 		y = 0,
-		z = (math_cos(yaw) * v),
+		z = (math.cos(yaw) * v),
 	}
 
 
 	local new_velocity_addition = vector.subtract(goal_velocity,current_velocity)
 
-	if vector_length(new_velocity_addition) > vector_length(goal_velocity) then
-		vector.multiply(new_velocity_addition, (vector_length(goal_velocity) / vector_length(new_velocity_addition)))
+	if vector.length(new_velocity_addition) > vector.length(goal_velocity) then
+		vector.multiply(new_velocity_addition, (vector.length(goal_velocity) / vector.length(new_velocity_addition)))
 	end
 
 	new_velocity_addition.y = 0
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -136,7 +132,7 @@ mobs.get_velocity = function(self)
 	v.y = 0
 
 	if v then
-		return vector_length(v)
+		return vector.length(v)
 	end
 
 	return 0
@@ -152,7 +148,7 @@ mobs.jump = function(self, velocity)
 	--fallback velocity to allow modularity
     velocity = velocity or DEFAULT_JUMP_HEIGHT
 
-    self.object:add_velocity(vector_new(0,velocity,0))    
+    self.object:add_velocity(vector.new(0,velocity,0))
 end
 
 --make mobs fall slowly
@@ -172,15 +168,15 @@ mobs.mob_fall_slow = function(self)
 	new_velocity_addition.x = 0
 	new_velocity_addition.z = 0
 
-	if vector_length(new_velocity_addition) > vector_length(goal_velocity) then
-		vector.multiply(new_velocity_addition, (vector_length(goal_velocity) / vector_length(new_velocity_addition)))
+	if vector.length(new_velocity_addition) > vector.length(goal_velocity) then
+		vector.multiply(new_velocity_addition, (vector.length(goal_velocity) / vector.length(new_velocity_addition)))
 	end
 
 	new_velocity_addition.x = 0
 	new_velocity_addition.z = 0
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 
@@ -212,13 +208,13 @@ mobs.flop = function(self, velocity)
     velocity = velocity or DEFAULT_JUMP_HEIGHT
 
 	--create a random direction (2d yaw)
-	local dir = DOUBLE_PI * math_random()
+	local dir = DOUBLE_PI * math.random()
 
 	--create a random force value
-	local force = math_random(0,3) + math_random()
+	local force = math.random(0,3) + math.random()
 
 	--convert the yaw to a direction vector then multiply it times the force
-	local final_additional_force = vector_multiply(minetest_yaw_to_dir(dir), force)
+	local final_additional_force = vector.multiply(minetest_yaw_to_dir(dir), force)
 
 	--place in the "flop" velocity to make the mob flop
 	final_additional_force.y = velocity
@@ -246,20 +242,20 @@ mobs.set_swim_velocity = function(self, v)
 	local current_velocity = self.object:get_velocity()
 
 	local goal_velocity = {
-		x = (math_sin(yaw) * -v),
+		x = (math.sin(yaw) * -v),
 		y = pitch,
-		z = (math_cos(yaw) * v),
+		z = (math.cos(yaw) * v),
 	}
 
 
 	local new_velocity_addition = vector.subtract(goal_velocity,current_velocity)
 
-	if vector_length(new_velocity_addition) > vector_length(goal_velocity) then
-		vector.multiply(new_velocity_addition, (vector_length(goal_velocity) / vector_length(new_velocity_addition)))
+	if vector.length(new_velocity_addition) > vector.length(goal_velocity) then
+		vector.multiply(new_velocity_addition, (vector.length(goal_velocity) / vector.length(new_velocity_addition)))
 	end
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -291,20 +287,20 @@ mobs.set_fly_velocity = function(self, v)
 	local current_velocity = self.object:get_velocity()
 
 	local goal_velocity = {
-		x = (math_sin(yaw) * -v),
+		x = (math.sin(yaw) * -v),
 		y = pitch,
-		z = (math_cos(yaw) * v),
+		z = (math.cos(yaw) * v),
 	}
 
 
 	local new_velocity_addition = vector.subtract(goal_velocity,current_velocity)
 
-	if vector_length(new_velocity_addition) > vector_length(goal_velocity) then
-		vector.multiply(new_velocity_addition, (vector_length(goal_velocity) / vector_length(new_velocity_addition)))
+	if vector.length(new_velocity_addition) > vector.length(goal_velocity) then
+		vector.multiply(new_velocity_addition, (vector.length(goal_velocity) / vector.length(new_velocity_addition)))
 	end
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end
@@ -316,7 +312,7 @@ mobs.calculate_pitch = function(pos1, pos2)
 		return false
 	end
 
-    return(minetest_dir_to_yaw(vector_new(vector_distance(vector_new(pos1.x,0,pos1.z),vector_new(pos2.x,0,pos2.z)),0,pos1.y - pos2.y)) + HALF_PI)
+    return minetest_dir_to_yaw(vector.new(vector.distance(vector.new(pos1.x,0,pos1.z),vector.new(pos2.x,0,pos2.z)),0,pos1.y - pos2.y)) + HALF_PI
 end
 
 --make mobs fly up or down based on their y difference
@@ -353,27 +349,27 @@ mobs.jump_move = function(self, velocity)
 	mobs.set_velocity(self,0)
 
 	--fallback velocity to allow modularity
-    jump_height = DEFAULT_JUMP_HEIGHT
+    local jump_height = DEFAULT_JUMP_HEIGHT
 
 	local yaw = (self.yaw or 0)
 
 	local current_velocity = self.object:get_velocity()
 
 	local goal_velocity = {
-		x = (math_sin(yaw) * -velocity),
+		x = (math.sin(yaw) * -velocity),
 		y = jump_height,
-		z = (math_cos(yaw) * velocity),
+		z = (math.cos(yaw) * velocity),
 	}
 
 
 	local new_velocity_addition = vector.subtract(goal_velocity,current_velocity)
 
-	if vector_length(new_velocity_addition) > vector_length(goal_velocity) then
-		vector.multiply(new_velocity_addition, (vector_length(goal_velocity) / vector_length(new_velocity_addition)))
+	if vector.length(new_velocity_addition) > vector.length(goal_velocity) then
+		vector.multiply(new_velocity_addition, (vector.length(goal_velocity) / vector.length(new_velocity_addition)))
 	end
 
 	--smooths out mobs a bit
-	if vector_length(new_velocity_addition) >= 0.0001 then
+	if vector.length(new_velocity_addition) >= 0.0001 then
 		self.object:add_velocity(new_velocity_addition)
 	end
 end

mods/ENTITIES/mcl_mobs/api/mob_functions/set_up.lua

@@ -2,9 +2,11 @@ local math_random = math.random
 
 local minetest_settings = minetest.settings
 
+-- CMI support check
+local use_cmi = minetest.global_exists("cmi")
+
 -- get entity staticdata
 mobs.mob_staticdata = function(self)
-
 	--despawn mechanism
 	--don't despawned tamed or bred mobs
 	if not self.tamed and not self.bred then
@@ -142,8 +144,6 @@ mobs.mob_activate = function(self, staticdata, def, dtime)
 		self.health = math_random (self.hp_min, self.hp_max)
 	end
 
-	
-
 	if not self.random_sound_timer then
 		self.random_sound_timer = math_random(self.random_sound_timer_min,self.random_sound_timer_max)
 	end
@@ -186,7 +186,6 @@ mobs.mob_activate = function(self, staticdata, def, dtime)
 
 	self.texture_mods = {}
 
-
 	self.v_start = false
 	self.timer = 0
 	self.blinktimer = 0
@@ -200,7 +199,6 @@ mobs.mob_activate = function(self, staticdata, def, dtime)
 		self.object:set_texture_mod("")
 	end
 
-
 	-- set anything changed above
 	self.object:set_properties(self)
 

mods/ENTITIES/mcl_mobs/api/mount.lua

@@ -1,8 +1,11 @@
 
 -- lib_mount by Blert2112 (edited by TenPlus1)
 
-local enable_crash = false
-local crash_threshold = 6.5 -- ignored if enable_crash=false
+--local enable_crash = false
+--local crash_threshold = 6.5 -- ignored if enable_crash=false
+
+local math = math
+local vector = vector
 
 ------------------------------------------------------------------------------
 
@@ -10,7 +13,7 @@ local crash_threshold = 6.5 -- ignored if enable_crash=false
 -- Helper functions
 --
 
-local node_ok = function(pos, fallback)
+--[[local function node_ok(pos, fallback)
 
 	fallback = fallback or mobs.fallback_node
 
@@ -21,10 +24,10 @@ local node_ok = function(pos, fallback)
 	end
 
 	return {name = fallback}
-end
+end]]
 
 
-local function node_is(pos)
+--[[local function node_is(pos)
 
 	local node = node_ok(pos)
 
@@ -45,7 +48,7 @@ local function node_is(pos)
 	end
 
 	return "other"
-end
+end]]
 
 
 local function get_sign(i)
@@ -60,13 +63,11 @@ local function get_sign(i)
 end
 
 
-local function get_velocity(v, yaw, y)
-
+--[[local function get_velocity(v, yaw, y)
 	local x = -math.sin(yaw) * v
 	local z =  math.cos(yaw) * v
-
 	return {x = x, y = y, z = z}
-end
+end]]
 
 
 local function get_v(v)
@@ -187,13 +188,13 @@ end
 
 function mobs.drive(entity, moving_anim, stand_anim, can_fly, dtime)
 
-	local rot_view = 0
+	--local rot_view = 0
 
-	if entity.player_rotation.y == 90 then
-		rot_view = math.pi/2
-	end
+	--if entity.player_rotation.y == 90 then
+	--	rot_view = math.pi/2
+	--end
 
-	local acce_y = 0
+	--local acce_y = 0
 	local velo = entity.object:get_velocity()
 
 	entity.v = get_v(velo) * get_sign(entity.v)
@@ -388,7 +389,6 @@ end
 -- directional flying routine by D00Med (edited by TenPlus1)
 
 function mobs.fly(entity, dtime, speed, shoots, arrow, moving_anim, stand_anim)
-
 	if true then
 		print("succ")
 		return

mods/ENTITIES/mcl_mobs/api/spawning.lua

@@ -9,9 +9,9 @@ local get_objects_inside_radius    = minetest.get_objects_inside_radius
 
 local math_random    = math.random
 local math_floor     = math.floor
-local max            = math.max
+--local max            = math.max
 
-local vector_distance = vector.distance
+--local vector_distance = vector.distance
 local vector_new      = vector.new
 local vector_floor    = vector.floor
 
@@ -167,7 +167,7 @@ Overworld regular:
 
 
 -- count how many mobs are in an area
-local count_mobs = function(pos)
+local function count_mobs(pos)
 	local num = 0
 	for _,object in pairs(get_objects_inside_radius(pos, aoc_range)) do
 		if object and object:get_luaentity() and object:get_luaentity()._cmi_is_mob then
@@ -242,8 +242,7 @@ function mobs:spawn_specific(name, dimension, type_of_spawning, biomes, min_ligh
 	end
 
 	--[[
-	local spawn_action
-	spawn_action = function(pos, node, active_object_count, active_object_count_wider, name)
+	local function spawn_action(pos, node, active_object_count, active_object_count_wider, name)
 
 			local orig_pos = table.copy(pos)
 			-- is mob actually registered?
@@ -486,7 +485,8 @@ local axis
 local inner = 15
 local outer = 64
 local int = {-1,1}
-local position_calculation = function(pos)
+
+local function position_calculation(pos)
 
 	pos = vector_floor(pos)
 
@@ -501,7 +501,7 @@ local position_calculation = function(pos)
 		pos.z = pos.z + math_random(inner,outer)*int[math_random(1,2)]
 		pos.x = pos.x + math_random(-outer,outer)
 	end
-	return(pos)
+	return pos
 end
 
 --[[

mods/ENTITIES/mcl_mobs/mod.conf

@@ -2,4 +2,4 @@ name = mcl_mobs
 author = PilzAdam
 description = Adds a mob API for mods to add animals or monsters, etc.
 depends = mcl_particles
-optional_depends = mcl_weather, mcl_explosions, mcl_hunger, mcl_worlds, invisibility, cmi, doc_identifier, mcl_armor, mcl_portals, mcl_experience
+optional_depends = mcl_weather, mcl_explosions, mcl_hunger, mcl_worlds, cmi, doc_identifier, mcl_armor, mcl_portals, mcl_experience

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", {
@@ -143,8 +140,10 @@ mobs:register_arrow("mobs_mc:dragon_fireball", {
 	-- node hit, explode
 	hit_node = function(self, pos, node)
 		--mobs:boom(self, pos, 2)
+		if mobs_griefing then
 			mcl_explosions.explode(self.object:get_pos(), 2, { drop_chance = 1.0 })
 		end
+	end
 })
 
 mobs:register_egg("mobs_mc:enderdragon", S("Ender Dragon"), "mobs_mc_spawn_icon_dragon.png", 0, true)

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

@@ -4,18 +4,16 @@ 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)
 
 mcl_moon = {}
 mcl_moon.MOON_PHASES = MOON_PHASES
 
-mcl_moon.get_moon_phase = function()
+function mcl_moon.get_moon_phase()
 	local after_midday = 0
 	-- Moon phase changes after midday
 	local tod = minetest.get_timeofday()
@@ -25,7 +23,7 @@ mcl_moon.get_moon_phase = function()
 	return (minetest.get_day_count() + phase_offset + after_midday) % MOON_PHASES
 end
 
-local get_moon_texture = function()
+local function get_moon_texture()
 	local phase = mcl_moon.get_moon_phase()
 	local x = phase % MOON_PHASES_HALF
 	local y

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/rain.lua

@@ -20,7 +20,7 @@ mcl_weather.rain = {
 	init_done = false,
 }
 
-mcl_weather.rain.sound_handler = function(player)
+function mcl_weather.rain.sound_handler(player)
 	return minetest.sound_play("weather_rain", {
 		to_player = player:get_player_name(),
 		loop = true,
@@ -28,7 +28,7 @@ mcl_weather.rain.sound_handler = function(player)
 end
 
 -- set skybox based on time (uses skycolor api)
-mcl_weather.rain.set_sky_box = function()
+function mcl_weather.rain.set_sky_box()
 	if mcl_weather.state == "rain" then
 		mcl_weather.skycolor.add_layer(
 			"weather-pack-rain-sky",
@@ -46,8 +46,7 @@ end
 
 -- creating manually parctiles instead of particles spawner because of easier to control
 -- spawn position.
-mcl_weather.rain.add_rain_particles = function(player)
-
+function mcl_weather.rain.add_rain_particles(player)
 	mcl_weather.rain.last_rp_count = 0
 	for i=mcl_weather.rain.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)
@@ -70,7 +69,7 @@ mcl_weather.rain.add_rain_particles = function(player)
 end
 
 -- Simple random texture getter
-mcl_weather.rain.get_texture = function()
+function mcl_weather.rain.get_texture()
 	local texture_name
 	local random_number = math.random()
 	if random_number > 0.33 then
@@ -85,7 +84,7 @@ end
 
 -- register player for rain weather.
 -- basically needs for origin sky reference and rain sound controls.
-mcl_weather.rain.add_player = function(player)
+function mcl_weather.rain.add_player(player)
 	if mcl_weather.players[player:get_player_name()] == nil then
 		local player_meta = {}
 		player_meta.origin_sky = {player:get_sky()}
@@ -95,7 +94,7 @@ end
 
 -- remove player from player list effected by rain.
 -- be sure to remove sound before removing player otherwise soundhandler reference will be lost.
-mcl_weather.rain.remove_player = function(player)
+function mcl_weather.rain.remove_player(player)
 	local player_meta = mcl_weather.players[player:get_player_name()]
 	if player_meta ~= nil and player_meta.origin_sky ~= nil then
 		player:set_clouds({color="#FFF0F0E5"})
@@ -119,7 +118,7 @@ end)
 -- adds and removes rain sound depending how much rain particles around player currently exist.
 -- have few seconds delay before each check to avoid on/off sound too often
 -- when player stay on 'edge' where sound should play and stop depending from random raindrop appearance.
-mcl_weather.rain.update_sound = function(player)
+function mcl_weather.rain.update_sound(player)
 	local player_meta = mcl_weather.players[player:get_player_name()]
 	if player_meta ~= nil then
 		if player_meta.sound_updated ~= nil and player_meta.sound_updated + 5 > minetest.get_gametime() then
@@ -140,7 +139,7 @@ mcl_weather.rain.update_sound = function(player)
 end
 
 -- rain sound removed from player.
-mcl_weather.rain.remove_sound = function(player)
+function mcl_weather.rain.remove_sound(player)
 	local player_meta = mcl_weather.players[player:get_player_name()]
 	if player_meta ~= nil and player_meta.sound_handler ~= nil then
 		minetest.sound_fade(player_meta.sound_handler, -0.5, 0.0)
@@ -150,7 +149,7 @@ mcl_weather.rain.remove_sound = function(player)
 end
 
 -- callback function for removing rain
-mcl_weather.rain.clear = function()
+function mcl_weather.rain.clear()
 	mcl_weather.rain.raining = false
 	mcl_weather.rain.sky_last_update = -1
 	mcl_weather.rain.init_done = false
@@ -166,11 +165,10 @@ minetest.register_globalstep(function(dtime)
 	if mcl_weather.state ~= "rain" then
 		return false
 	end
-
 	mcl_weather.rain.make_weather()
 end)
 
-mcl_weather.rain.make_weather = function()
+function mcl_weather.rain.make_weather()
 	if mcl_weather.rain.init_done == false then
 		mcl_weather.rain.raining = true
 		mcl_weather.rain.set_sky_box()
@@ -190,7 +188,7 @@ mcl_weather.rain.make_weather = function()
 end
 
 -- Switch the number of raindrops: "thunder" for many raindrops, otherwise for normal raindrops
-mcl_weather.rain.set_particles_mode = function(mode)
+function mcl_weather.rain.set_particles_mode(mode)
 	if mode == "thunder" then
 		mcl_weather.rain.particles_count = PARTICLES_COUNT_THUNDER
 	else

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/hudbars/init.lua

@@ -1,17 +1,22 @@
-local S = minetest.get_translator("hudbars")
+local modname = minetest.get_current_modname()
+local modpath = minetest.get_modpath(modname)
+
+local S = minetest.get_translator(modname)
 local N = function(s) return s end
 
-hb = {}
-
-hb.hudtables = {}
+local math = math
+local table = table
 
+hb = {
+    hudtables = {},
     -- number of registered HUD bars
-hb.hudbars_count = 0
-
+    hudbars_count = 0,
     -- table which records which HUD bar slots have been “registered” so far; used for automatic positioning
-hb.registered_slots = {}
-
-hb.settings = {}
+    registered_slots = {},
+    settings = {},
+    -- Table which contains all players with active default HUD bars (only for internal use)
+    players = {},
+}
 
 function hb.load_setting(sname, stype, defaultval, valid_values)
 	local sval
@@ -45,7 +50,8 @@ function hb.load_setting(sname, stype, defaultval, valid_values)
 end
 
 -- Load default settings
-dofile(minetest.get_modpath("hudbars").."/default_settings.lua")
+dofile(modpath.."/default_settings.lua")
+
 if minetest.get_modpath("mcl_experience") and not minetest.is_creative_enabled("") then
 	-- reserve some space for experience bar:
 	hb.settings.start_offset_left.y = hb.settings.start_offset_left.y - 20
@@ -85,9 +91,6 @@ local function make_label(format_string, format_string_config, label, start_valu
 	return ret
 end
 
--- Table which contains all players with active default HUD bars (only for internal use)
-hb.players = {}
-
 function hb.value_to_barlength(value, max)
 	if max == 0 then
 		return 0

mods/HUD/mcl_death_messages/init.lua

@@ -237,12 +237,10 @@ mcl_damage.register_on_damage(function(obj, damage, reason)
 end)
 
 minetest.register_globalstep(function(dtime)
-	local new_assist = {}
-
 	for obj, tbl in pairs(mcl_death_messages.assist) do
 		tbl.timeout = tbl.timeout - dtime
-		if (obj:is_player() or obj:get_luaentity()) and tbl.timeout > 0 then
-			new_assist[obj] = tbl
+		if not obj:is_player() and not obj:get_luaentity() or tbl.timeout > 0 then
+			mcl_death_messages.assist[obj] = nil
 		end
 	end
 end)

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
@@ -114,9 +120,9 @@ end
 hud_manager.hud_exists = function(player,hud_name)
     local name = player:get_player_name()
     if player_huds[name] and player_huds[name][hud_name] then
-        return(true)
+        return true
     else
-        return(false)
+        return false
     end
 end
 -------------------
@@ -144,7 +150,7 @@ end)
 
 function mcl_experience.get_player_xp_level(player)
 	local name = player:get_player_name()
-	return(pool[name].level)
+	return pool[name].level
 end
 
 function mcl_experience.set_player_xp_level(player,level)
@@ -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_hbarmor/init.lua

@@ -1,31 +1,34 @@
-local S = minetest.get_translator("mcl_hbarmor")
+local S = minetest.get_translator(minetest.get_current_modname())
 
-local mcl_hbarmor = {}
+local math = math
+local tonumber = tonumber
 
+local get_connected_players = minetest.get_connected_players
+
+local mcl_hbarmor = {
     -- HUD statbar values
-mcl_hbarmor.armor = {}
-
+    armor = {},
     -- Stores if player's HUD bar has been initialized so far.
-mcl_hbarmor.player_active = {}
-
+    player_active = {},
     -- Time difference in seconds between updates to the HUD armor bar.
     -- Increase this number for slow servers.
-mcl_hbarmor.tick = 0.1
-
+    tick = 0.1,
     -- If true, the armor bar is hidden when the player does not wear any armor
-mcl_hbarmor.autohide = true
+    autohide = true,
+}
 
-set = minetest.settings:get("mcl_hbarmor_tick")
-if tonumber(set) ~= nil then
-	mcl_hbarmor.tick = tonumber(set)
+local tick_config = minetest.settings:get("mcl_hbarmor_tick")
+
+if tonumber(tick_config) ~= nil then
+	mcl_hbarmor.tick = tonumber(tick_config)
 end
 
 
-local must_hide = function(playername, arm)
+local function must_hide(playername, arm)
 	return arm == 0
 end
 
-local arm_printable = function(arm)
+local function arm_printable(arm)
 	return math.ceil(math.floor(arm+0.5))
 end
 
@@ -106,12 +109,13 @@ end)
 local main_timer = 0
 local timer = 0
 minetest.register_globalstep(function(dtime)
+    --TODO: replace this by playerglobalstep API then implemented
 	main_timer = main_timer + dtime
 	timer = timer + dtime
 	if main_timer > mcl_hbarmor.tick or timer > 4 then
 		if minetest.settings:get_bool("enable_damage") then
 			if main_timer > mcl_hbarmor.tick then main_timer = 0 end
-			for _,player in pairs(minetest.get_connected_players()) do
+			for _,player in pairs(get_connected_players()) do
 				local name = player:get_player_name()
 				if mcl_hbarmor.player_active[name] == true then
 					local ret = mcl_hbarmor.get_armor(player)

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

@@ -220,11 +220,11 @@ for _, mode in pairs{"comp", "sub"} 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

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)
@@ -162,8 +163,7 @@ mesecon.register_node("mcl_observers:observer",
 	}
 )
 
-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/presets.lua

@@ -96,12 +96,12 @@ local function rules_from_dir(ruleset, dir)
 	if dir.z == -1 then return ruleset.zn end
 end
 
-mesecon.rules.buttonlike_get = function(node)
+function mesecon.rules.buttonlike_get(node)
 	local dir = minetest.facedir_to_dir(node.param2)
 	return rules_from_dir(rules_buttonlike, dir)
 end
 
-mesecon.rules.wallmounted_get = function(node)
+function mesecon.rules.wallmounted_get(node)
 	local dir = minetest.wallmounted_to_dir(node.param2)
 	return rules_from_dir(rules_wallmounted, dir)
 end

mods/ITEMS/REDSTONE/mesecons/services.lua

@@ -1,6 +1,6 @@
 -- Dig and place services
 
-mesecon.on_placenode = function(pos, node)
+function mesecon.on_placenode(pos, node)
 	mesecon.execute_autoconnect_hooks_now(pos, node)
 
 	-- Receptors: Send on signal when active
@@ -70,14 +70,14 @@ mesecon.on_placenode = function(pos, node)
 	end
 end
 
-mesecon.on_dignode = function(pos, node)
+function mesecon.on_dignode(pos, node)
 	if mesecon.is_conductor_on(node) then
 		mesecon.receptor_off(pos, mesecon.conductor_get_rules(node))
 	elseif mesecon.is_receptor_on(node.name) then
 		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
@@ -95,7 +95,7 @@ mesecon.on_dignode = function(pos, node)
 	mesecon.execute_autoconnect_hooks_queue(pos, node)
 end
 
-mesecon.on_blastnode = function(pos, node)
+function mesecon.on_blastnode(pos, node)
 	local node = minetest.get_node(pos)
 	minetest.remove_node(pos)
 	mesecon.on_dignode(pos, node)

mods/ITEMS/REDSTONE/mesecons_button/init.lua

@@ -21,7 +21,7 @@ local boxes_on = {
 }
 
 -- Push the button
-mesecon.push_button = function(pos, node)
+function mesecon.push_button(pos, node)
 	-- No-op if button is already pushed
 	if mesecon.is_receptor_on(node) then
 		return

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
 
@@ -145,7 +143,7 @@ end
 -- Register the 2 (states) x 4 (delay times) delayers
 
 for i = 1, 4 do
-local groups = {}
+	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
@@ -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)
@@ -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",
@@ -290,21 +287,18 @@ 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), {
 		description = S("Redstone Repeater (Delay @1, Powered)", i),
 		_doc_items_create_entry = false,
@@ -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)