Code cleanup. Add tar and more stone types.

14 files changed, 107 insertions, 119 deletions

diff --git a/circular_saw.lua b/circular_saw.lua
index b7d791c..8514a6f 100644
--- a/circular_saw.lua
+++ b/circular_saw.lua
@@ -1,4 +1,3 @@
-
 local S = moreblocks.gettext
 circular_saw = {}
 
@@ -10,10 +9,10 @@ circular_saw.known_stairs = setmetatable({}, {
 	end,
 })
 
--- This is populated by stairsplus:register_all
+-- This is populated by stairsplus:register_all:
 circular_saw.known_nodes = {}
 
--- How many microblocks does this shape at the output inventory cost?
+-- How many microblocks does this shape at the output inventory cost:
 circular_saw.cost_in_microblocks = {
 	1, 1, 1, 1, 1, 1, 1, 2,
 	2, 3, 2, 4, 2, 4, 5, 6,
@@ -67,15 +66,15 @@ function circular_saw:get_output_inv(modname, material, amount, max)
 	end
 
 	local list = {}
-	-- If there is nothing inside display empty inventory
+	-- If there is nothing inside, display empty inventory:
 	if amount < 1 then
 		return list
 	end
 
 	for i, t in ipairs(circular_saw.names) do
 		local cost = circular_saw.cost_in_microblocks[i]
-		table.insert(list, modname..":"..t[1].."_"..material..t[2]
-				.." "..math.min(math.floor(amount/cost), max))
+		table.insert(list, modname .. ":" .. t[1] .. "_" .. material .. t[2]
+				.. " " .. math.min(math.floor(amount/cost), max))
 	end
 	return list
 end
@@ -83,7 +82,7 @@ end
 
 -- Reset empty circular_saw after last full block has been taken out
 -- (or the circular_saw has been placed the first time)
--- note: max_offered is not reset
+-- Note: max_offered is not reset:
 function circular_saw:reset(pos)
 	local meta = minetest.get_meta(pos)
 	local inv  = meta:get_inventory()
@@ -100,7 +99,7 @@ end
 
 
 -- Player has taken something out of the box or placed something inside
--- that amounts to count microblocks
+-- that amounts to count microblocks:
 function circular_saw:update_inventory(pos, amount)
 	local meta          = minetest.get_meta(pos)
 	local inv           = meta:get_inventory()
@@ -129,28 +128,27 @@ function circular_saw:update_inventory(pos, amount)
 	local modname  = name_parts[1]
 	local material = name_parts[2]
 
-	-- Display as many full blocks as possible
-	inv:set_list("input", {
+	inv:set_list("input", { -- Display as many full blocks as possible:
 		node_name.." ".. math.floor(amount / 8)
 	})
 
-	-- The stairnodes made of default nodes use moreblocks namespace, other mods keep own.
+	-- The stairnodes made of default nodes use moreblocks namespace, other mods keep own:
 	if modname == "default" then
 		modname = "moreblocks"
 	end
-	--print("circular_saw set to " ..modname.. " : "
-	--	..material.. " with "..(amount).." microblocks.")
+	-- print("circular_saw set to " .. modname .. " : "
+	--	.. material .. " with " .. (amount) .. " microblocks.")
 
-	-- 0-7 microblocks may remain left-over.
+	-- 0-7 microblocks may remain left-over:
 	inv:set_list("micro", {
-		modname..":micro_"..material.."_bottom "..(amount % 8)
+		modname .. ":micro_" .. material .. "_bottom " .. (amount % 8)
 	})
-	-- Display 
+	-- Display:
 	inv:set_list("output",
 		self:get_output_inv(modname, material, amount,
 				meta:get_int("max_offered")))
-	-- Store how many microblocks are available
-	meta:set_int("anz",  amount)
+	-- Store how many microblocks are available:
+	meta:set_int("anz", amount)
 
 	meta:set_string("infotext",
 			S("Circular Saw is working on %s (owned by %s)")
@@ -158,31 +156,31 @@ function circular_saw:update_inventory(pos, amount)
 end
 
 
--- The amount of items offered per shape can be configured
+-- The amount of items offered per shape can be configured:
 function circular_saw.on_receive_fields(pos, formname, fields, sender)
 	local meta = minetest.get_meta(pos)
 	local max = tonumber(fields.max_offered)
 	if max and max > 0 then
 		meta:set_string("max_offered",  max)
-		-- update to show the correct number of items
+		-- Update to show the correct number of items:
 		circular_saw:update_inventory(pos, 0)
 	end
 end
 
 
 -- Moving the inventory of the circular_saw around is not allowed because it
--- is a fictional inventory.  Moving inventory around would be rather
--- impractical and make things more difficult to calculate.
+-- is a fictional inventory. Moving inventory around would be rather
+-- impractical and make things more difficult to calculate:
 function circular_saw.allow_metadata_inventory_move(
 		pos, from_list, from_index, to_list, to_index, count, player)
 	return 0
 end
 
 
--- Only input- and recycle-slot are intended as input slots
+-- Only input- and recycle-slot are intended as input slots:
 function circular_saw.allow_metadata_inventory_put(
 		pos, listname, index, stack, player)
-	-- The player is not allowed to put something in there
+	-- The player is not allowed to put something in there:
 	if listname == "output" or listname == "micro" then
 		return 0
 	end
@@ -192,7 +190,7 @@ function circular_saw.allow_metadata_inventory_put(
 	local stackname = stack:get_name()
 	local count = stack:get_count()
 
-	-- Only alow those items that are offered in the output inventory to be recycled
+	-- Only alow those items that are offered in the output inventory to be recycled:
 	if listname == "recycle" then
 		if not inv:contains_item("output", stackname) then
 			return 0
@@ -210,7 +208,7 @@ function circular_saw.allow_metadata_inventory_put(
 		return count
 	end
 
-	-- Only accept certain blocks as input which are known to be craftable into stairs
+	-- Only accept certain blocks as input which are known to be craftable into stairs:
 	if listname == "input" then
 		if not inv:is_empty("input") and
 				inv:get_stack("input", index):get_name() ~= stackname then
@@ -225,25 +223,25 @@ function circular_saw.allow_metadata_inventory_put(
 	end
 end
 
--- Taking is allowed from all slots (even the internal microblock slot)
+-- Taking is allowed from all slots (even the internal microblock slot).
 -- Putting something in is slightly more complicated than taking anything
--- because we have to make sure it is of a suitable material
+-- because we have to make sure it is of a suitable material:
 function circular_saw.on_metadata_inventory_put(
 		pos, listname, index, stack, player)
 	-- We need to find out if the circular_saw is already set to a
-	-- specific material or not
+	-- specific material or not:
 	local meta = minetest.get_meta(pos)
 	local inv  = meta:get_inventory()
 	local stackname = stack:get_name()
 	local count = stack:get_count()
 
 	-- Putting something into the input slot is only possible if that had
-	-- been empty before or did contain something of the same material
+	-- been empty before or did contain something of the same material:
 	if listname == "input" then
-		-- Each new block is worth 8 microblocks
+		-- Each new block is worth 8 microblocks:
 		circular_saw:update_inventory(pos, 8 * count)
 	elseif listname == "recycle" then
-		-- Lets look which shape this represents
+		-- Lets look which shape this represents:
 		local cost = circular_saw:get_cost(inv, stackname)
 		circular_saw:update_inventory(pos, cost * count)
 	end
@@ -252,27 +250,28 @@ end
 function circular_saw.on_metadata_inventory_take(
 		pos, listname, index, stack, player)
 	-- If it is one of the offered stairs: find out how many
-	-- microblocks have to be substracted
+	-- microblocks have to be substracted:
 	if listname == "output" then
-		-- We do know how much each block at each position costs
+		-- We do know how much each block at each position costs:
 		local cost = circular_saw.cost_in_microblocks[index]
 				* stack:get_count()
 
 		circular_saw:update_inventory(pos, -cost)
 	elseif listname == "micro" then
-		-- Each microblock costs 1 microblock
+		-- Each microblock costs 1 microblock:
 		circular_saw:update_inventory(pos, -stack:get_count())
 	elseif listname == "input" then
-		-- Each normal (= full) block taken costs 8 microblocks
+		-- Each normal (= full) block taken costs 8 microblocks:
 		circular_saw:update_inventory(pos, 8 * -stack:get_count())
 	end
 	-- The recycle field plays no role here since it is processed immediately.
 end
 
+gui_slots = "listcolors[#606060AA;#808080;#101010;#202020;#FFF]"
 
 function circular_saw.on_construct(pos)
 	local meta = minetest.get_meta(pos)
-	meta:set_string("formspec", "size[11,9]"..
+	meta:set_string("formspec", "size[11,9]"..gui_slots..
 			"label[0,0;"..S("Input\nmaterial").."]"..
 			"list[current_name;input;1.5,0;1,1;]"..
 			"label[0,1;"..S("Left-over").."]"..
@@ -289,8 +288,8 @@ function circular_saw.on_construct(pos)
 	meta:set_string("infotext", S("Circular Saw is empty"))
 
 	local inv = meta:get_inventory()
-	inv:set_size("input", 1)  -- Input slot for full blocks of material x.
-	inv:set_size("micro", 1)  -- Storage for 1-7 surplus microblocks.
+	inv:set_size("input", 1)    -- Input slot for full blocks of material x.
+	inv:set_size("micro", 1)    -- Storage for 1-7 surplus microblocks.
 	inv:set_size("recycle", 1)  -- Surplus partial blocks can be placed here.
 	inv:set_size("output", 4*8) -- 4x8 versions of stair-parts of material x.
 
@@ -306,8 +305,7 @@ function circular_saw.can_dig(pos,player)
 	   not inv:is_empty("recycle") then
 		return false
 	end
-
-	-- Can be dug by anyone when empty ,not only by the owner.
+	-- Can be dug by anyone when empty, not only by the owner:
 	return true
 end
 
@@ -347,14 +345,13 @@ minetest.register_node("moreblocks:circular_saw",  {
 				:format(owner))
 	end,
 
-	-- The amount of items offered per shape can be configured.
+	-- The amount of items offered per shape can be configured:
 	on_receive_fields = circular_saw.on_receive_fields,
 	allow_metadata_inventory_move = circular_saw.allow_metadata_inventory_move,
-	-- Only input- and recycle-slot are intended as input slots.
+	-- Only input- and recycle-slot are intended as input slots:
 	allow_metadata_inventory_put = circular_saw.allow_metadata_inventory_put,
 	-- Taking is allowed from all slots (even the internal microblock slot). Moving is forbidden.
-	-- Putting something in is slightly more complicated than taking anything because we have to make sure it is of a suitable material.
+	-- Putting something in is slightly more complicated than taking anything because we have to make sure it is of a suitable material:
 	on_metadata_inventory_put = circular_saw.on_metadata_inventory_put,
 	on_metadata_inventory_take = circular_saw.on_metadata_inventory_take,
 })
-
diff --git a/config.lua b/config.lua
index fd507ff..7efb539 100644
--- a/config.lua
+++ b/config.lua
@@ -18,8 +18,8 @@ local function setting(settingtype, name, default)
 	end
 end
 
--- Whether to direct wood based on player posititon when placing the block (true or false).
+-- Whether to direct wood based on player posititon when placing the block (true or false):
 setting("bool", "wood_facedir", true)
 
--- Show stairs/slabs/panels/microblocks in creative inventory (true or false).
-setting("bool", "show_stairsplus_creative_inv", false)
+-- Show stairs/slabs/panels/microblocks in creative inventory (true or false):
+setting("bool", "stairsplus_in_creative_inventory", false)
diff --git a/crafting.lua b/crafting.lua
index d54e8ef..f7ebe09 100644
--- a/crafting.lua
+++ b/crafting.lua
@@ -180,6 +180,25 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
+	output = "moreblocks:split_stone_tile_alt",
+	recipe = {
+		{"moreblocks:split_stone_tile"},
+	}
+})
+
+minetest.register_craft({
+	output = "moreblocks:grey_bricks",
+	type = "shapeless",
+	recipe =  {"default:stone", "default:brick"},
+})
+
+minetest.register_craft({
+	output = "moreblocks:grey_bricks",
+	type = "shapeless",
+	recipe =  {"default:stonebrick", "default:brick"},
+})
+
+minetest.register_craft({
 	output = "moreblocks:empty_bookshelf",
 	type = "shapeless",
 	recipe = {"moreblocks:sweeper", "default:bookshelf"},
@@ -414,6 +433,10 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
+	type = "cooking", output = "moreblocks:tar", recipe = "default:gravel",
+})
+
+minetest.register_craft({
 	output = "moreblocks:circular_saw", 
 	recipe = {
 		{ "",  "default:steel_ingot",  "" },
@@ -421,4 +444,3 @@ minetest.register_craft({
 		{ "group:wood",  "",  "group:wood"},
 	}
 })
-
diff --git a/init.lua b/init.lua
index 27cf9d5..8180251 100644
--- a/init.lua
+++ b/init.lua
@@ -1,15 +1,15 @@
 --[[
 -- More Blocks (moreblocks) by Calinou
--- Licensed under the zlib license for code and CC BY-SA 3.0 for textures, see LICENSE.txt for info.
+-- Licensed under the zlib/ license for code and CC BY-SA 3.0 for textures, see LICENSE.txt for info.
 --]]
 
 moreblocks = {}
 
 -- Load translation library if intllib is installed
 
-local S = nil
+local S -- Load translation library if intllib is installed:
 if intllib then
-	S = intllib.Getter()
+	S = intllib.Getter(minetest.get_current_modname())
 else
 	S = function(s) return s end
 end
diff --git a/nodes.lua b/nodes.lua
index ccf4999..41514c2 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -14,7 +14,6 @@ local nodes = {
 	["wood_tile"] = {
 		description = S("Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^moreblocks_wood_tile.png",
 		"default_wood.png^moreblocks_wood_tile.png",
 		"default_wood.png^moreblocks_wood_tile.png",
@@ -26,7 +25,6 @@ local nodes = {
 	["wood_tile_flipped"] = {
 		description = S("Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^moreblocks_wood_tile.png^[transformR90",
 		"default_wood.png^moreblocks_wood_tile.png^[transformR90",
 		"default_wood.png^moreblocks_wood_tile.png^[transformR90",
@@ -39,21 +37,18 @@ local nodes = {
 	["wood_tile_center"] = {
 		description = S("Centered Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^moreblocks_wood_tile_center.png"},
 		sounds = sound_wood,
 	},
 	["wood_tile_full"] = {
 		description = S("Full Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = tile_tiles("wood_tile_full"),
 		sounds = sound_wood,
 	},
 	["wood_tile_up"] = {
 		description = S("Upwards Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^moreblocks_wood_tile_up.png"},
 		sounds = sound_wood,
 		no_stairs = true,
@@ -61,7 +56,6 @@ local nodes = {
 	["wood_tile_down"] = {
 		description = S("Downwards Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^[transformR180^moreblocks_wood_tile_up.png^[transformR180"},
 		sounds = sound_wood,
 		no_stairs = true,
@@ -69,7 +63,6 @@ local nodes = {
 	["wood_tile_left"] = {
 		description = S("Leftwards Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^[transformR270^moreblocks_wood_tile_up.png^[transformR270"},
 		sounds = sound_wood,
 		no_stairs = true,
@@ -77,7 +70,6 @@ local nodes = {
 	["wood_tile_right"] = {
 		description = S("Rightwards Wooden Tile"),
 		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_wood.png^[transformR90^moreblocks_wood_tile_up.png^[transformR90"},
 		sounds = sound_wood,
 		no_stairs = true,
@@ -87,6 +79,11 @@ local nodes = {
 		groups = {cracky = 3},
 		sounds = sound_stone,
 	},
+	["grey_bricks"] = {
+		description = S("Stone Bricks"),
+		groups = {cracky = 3},
+		sounds = sound_stone,
+	},
 	["coal_stone_bricks"] = {
 		description = S("Coal Stone Bricks"),
 		groups = {cracky = 3},
@@ -109,6 +106,18 @@ local nodes = {
 		groups = {cracky = 3},
 		sounds = sound_stone,
 	},
+	["split_stone_tile_alt"] = {
+		description = S("Split Stone Tile"),
+		tiles = {"moreblocks_split_stone_tile_alt_top.png",
+			"moreblocks_split_stone_tile_alt.png"},
+		groups = {cracky = 3},
+		sounds = sound_stone,
+	},
+	["tar"] = {
+		description = S("Tar"),
+		groups = {cracky = 2},
+		sounds = sound_stone,
+	},
 	["plankstone"] = {
 		description = S("Plankstone"),
 		groups = {cracky = 3},
@@ -147,7 +156,6 @@ local nodes = {
 	["cactus_checker"] = {
 		description = S("Cactus Checker"),
 		groups = {cracky = 3},
-		paramtype2 = "facedir",
 		tiles = {"default_stone.png^moreblocks_cactus_checker.png",
 		"default_stone.png^moreblocks_cactus_checker.png",
 		"default_stone.png^moreblocks_cactus_checker.png",
@@ -182,7 +190,6 @@ local nodes = {
 		"default_stone.png^moreblocks_coal_checker.png",
 		"default_stone.png^moreblocks_coal_checker.png^[transformR90",
 		"default_stone.png^moreblocks_coal_checker.png^[transformR90"},
-		paramtype2 = "facedir",
 		groups = {cracky = 3},
 		sounds = sound_stone,
 	},
@@ -194,7 +201,6 @@ local nodes = {
 		"default_stone.png^moreblocks_iron_checker.png",
 		"default_stone.png^moreblocks_iron_checker.png^[transformR90",
 		"default_stone.png^moreblocks_iron_checker.png^[transformR90"},
-		paramtype2 = "facedir",
 		groups = {cracky = 3},
 		sounds = sound_stone,
 	},
diff --git a/redefinitions.lua b/redefinitions.lua
index a0bcdf5..3873b30 100644
--- a/redefinitions.lua
+++ b/redefinitions.lua
@@ -10,7 +10,7 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = "default:ladder 3",
+	output = "default:ladder 4",
 	recipe = {
 		{"default:stick", "", "default:stick"},
 		{"default:stick", "default:stick", "default:stick"},
@@ -19,7 +19,7 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = "default:paper 3",
+	output = "default:paper 4",
 	recipe = {
 		{"default:papyrus", "default:papyrus", "default:papyrus"},
 	}
@@ -68,23 +68,7 @@ minetest.register_craft({
 
 -- Redefinitions of some default nodes:
 
- -- Don't bother overriding nodes if minetest.override_item isn't available.
-if minetest.override_item then
-
-if moreblocks.config.wood_facedir then
-	minetest.override_item("default:wood", {paramtype2 = "facedir",})
-	minetest.override_item("default:junglewood", {paramtype2 = "facedir",})
-	minetest.override_item("default:brick", {paramtype2 = "facedir",})
-	minetest.override_item("default:stonebrick", {paramtype2 = "facedir",})
-	minetest.override_item("default:desert_stonebrick", {paramtype2 = "facedir",})
-	minetest.override_item("default:sandstonebrick", {paramtype2 = "facedir",})
-	minetest.override_item("moreblocks:cactus_brick", {paramtype2 = "facedir",})
-	minetest.override_item("moreblocks:coal_stone_bricks", {paramtype2 = "facedir",})
-	minetest.override_item("moreblocks:iron_stone_bricks", {paramtype2 = "facedir",})
-end
-
 -- Make glass and obsidian glass framed, like the More Blocks glasses:
-
 minetest.override_item("default:glass", {
 	drawtype = "glasslike_framed",
 })
@@ -94,7 +78,6 @@ minetest.override_item("default:obsidian_glass", {
 })
 
 -- Let there be light. This makes some nodes let light pass through:
-
 minetest.override_item("default:ladder", {
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -143,5 +126,3 @@ for i = 2, 5 do
 		sunlight_propagates = true,
 	})
 end
-
-end -- End "if minetest.override_item".
diff --git a/stairsplus/API.md b/stairsplus/API.md
index 480b848..a98ec81 100644
--- a/stairsplus/API.md
+++ b/stairsplus/API.md
@@ -1,11 +1,11 @@
-API documentation for StairsPlus
+API documentation for Stairs+
 ================================
 - - - - - - - - - - - - - - - -
 
 * `stairsplus:register_all(modname, subname, recipeitem, fields)`
 	Registers a stair, slab, panel, microblock, and any other types of
-	microblocks to be added in the future.
-	Also registers the node with the circular saw.
+	nodes to be added in the future.
+	This also registers the node with the circular saw.
 	Example:
 	```lua
 	stairsplus:register_all("moreblocks", "wood", "defaut:wood", {
@@ -16,7 +16,7 @@ API documentation for StairsPlus
 	})
 	```
 The following register only a particular type of microblock.
-You will probably never want to use them directly.
+You will probably never want to use them directly:
 
 * `stairsplus:register_stair(modname, subname, recipeitem, fields)`
 * `stairsplus:register_slab(modname, subname, recipeitem, fields)`
diff --git a/stairsplus/aliases.lua b/stairsplus/aliases.lua
index e197035..747a1c3 100644
--- a/stairsplus/aliases.lua
+++ b/stairsplus/aliases.lua
@@ -60,4 +60,3 @@ register_stairsplus_alias("moreblocks", "splitstonesquare", "split_stone_tile")
 register_stairsplus_alias("moreblocks", "woodtile", "wood_tile")
 register_stairsplus_alias("moreblocks", "woodtile_centered", "wood_tile_centered")
 register_stairsplus_alias("moreblocks", "woodtile_full", "wood_tile_full")
-
diff --git a/stairsplus/init.lua b/stairsplus/init.lua
index 74d7ddb..4ea710f 100644
--- a/stairsplus/init.lua
+++ b/stairsplus/init.lua
@@ -1,4 +1,3 @@
-
 -- Nodes will be called <modname>:{stair,slab,panel,micro}_<subname>
 
 local modpath = minetest.get_modpath("moreblocks").."/stairsplus"
@@ -6,8 +5,8 @@ local modpath = minetest.get_modpath("moreblocks").."/stairsplus"
 stairsplus = {}
 stairsplus.expect_infinite_stacks = false
 
-if not minetest.get_modpath("unified_inventory") and
-		minetest.setting_getbool("creative_mode") then
+if not minetest.get_modpath("unified_inventory")
+and minetest.setting_getbool("creative_mode") then
 	stairsplus.expect_infinite_stacks = true
 end
 
@@ -21,7 +20,7 @@ function stairsplus:register_all(modname, subname, recipeitem, fields)
 	self:register_slab (modname, subname, recipeitem, fields)
 	self:register_panel(modname, subname, recipeitem, fields)
 	self:register_micro(modname, subname, recipeitem, fields)
-	-- self:register_6dfacedir_conversion(modname, subname)
+	-- self:register_6dfacedir_conversion(modname, subname) -- Not needed as of Q3 2013, uncomment to fix old maps.
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
 end
 
@@ -35,12 +34,10 @@ function register_stair_slab_panel_micro(modname, subname, recipeitem, groups, i
 	})
 end
 
--- dofile(modpath.."/aliases.lua")
--- dofile(modpath.."/conversion.lua")
-
+-- dofile(modpath.."/aliases.lua") -- Not needed as of Q2 2013, uncomment to fix old maps.
+-- dofile(modpath.."/conversion.lua") -- Not needed as of Q2 2013, uncomment to fix old maps.
 dofile(modpath.."/stairs.lua")
 dofile(modpath.."/slabs.lua")
 dofile(modpath.."/panels.lua")
 dofile(modpath.."/microblocks.lua")
 dofile(modpath.."/registrations.lua")
-
diff --git a/stairsplus/microblocks.lua b/stairsplus/microblocks.lua
index 6a19bf1..24eaffb 100644
--- a/stairsplus/microblocks.lua
+++ b/stairsplus/microblocks.lua
@@ -1,6 +1,4 @@
--- Load translation library if intllib is installed
-
-local S
+local S -- Load translation library if intllib is installed:
 if intllib then
 	S = intllib.Getter(minetest.get_current_modname())
 else
@@ -110,4 +108,3 @@ function stairsplus:register_micro(modname, subname, recipeitem, fields)
 			recipe = {"moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname, "moreblocks:micro_" .. subname},
 	})
 end
-
diff --git a/stairsplus/panels.lua b/stairsplus/panels.lua
index 7e4fd8d..a250fc3 100644
--- a/stairsplus/panels.lua
+++ b/stairsplus/panels.lua
@@ -1,6 +1,4 @@
--- Load translation library if intllib is installed
-
-local S
+local S -- Load translation library if intllib is installed:
 if intllib then
 	S = intllib.Getter(minetest.get_current_modname())
 else
@@ -111,4 +109,3 @@ function stairsplus:register_panel(modname, subname, recipeitem, fields)
 			recipe = {"moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname},
 		})
 end
-
diff --git a/stairsplus/registrations.lua b/stairsplus/registrations.lua
index 491c72f..cc22d33 100644
--- a/stairsplus/registrations.lua
+++ b/stairsplus/registrations.lua
@@ -1,6 +1,4 @@
--- Default stairs/slabs/panels/microblocks.
-
-local default_nodes = {
+local default_nodes = { -- Default stairs/slabs/panels/microblocks:
 	"stone",
 	"cobble",
 	"mossycobble",
@@ -12,7 +10,7 @@ local default_nodes = {
 	"bronzeblock",
 	"diamondblock",
 	"desert_stone",
---	"desert_cobble", -- Does not work in minetest_game.
+--	"desert_cobble",
 	"glass",
 	"tree",
 	"wood",
@@ -26,11 +24,11 @@ local default_nodes = {
 }
 
 for _, name in pairs(default_nodes) do
-	local nodename = "default:"..name
+	local nodename = "default:" .. name
 	local ndef = minetest.registered_nodes[nodename]
 	local groups = {}
 	for k, v in pairs(ndef.groups)
-		-- Ignore wood and stone groups to not make them usable in crafting.
+		-- Ignore wood and stone groups to not make them usable in crafting:
 		do if k ~= "wood" and k ~= "stone" then
 			groups[k] = v
 		end
diff --git a/stairsplus/slabs.lua b/stairsplus/slabs.lua
index be5b308..bee4af3 100644
--- a/stairsplus/slabs.lua
+++ b/stairsplus/slabs.lua
@@ -1,6 +1,4 @@
--- Load translation library if intllib is installed
-
-local S
+local S -- Load translation library if intllib is installed:
 if intllib then
 	S = intllib.Getter(minetest.get_current_modname())
 else
@@ -101,4 +99,3 @@ function stairsplus:register_slab(modname, subname, recipeitem, fields)
 			recipe = {"moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname},
 		})
 end
-
diff --git a/stairsplus/stairs.lua b/stairsplus/stairs.lua
index 1830686..d5283c3 100644
--- a/stairsplus/stairs.lua
+++ b/stairsplus/stairs.lua
@@ -1,6 +1,4 @@
--- Load translation library if intllib is installed
-
-local S
+local S -- Load translation library if intllib is installed:
 if intllib then
 	S = intllib.Getter(minetest.get_current_modname())
 else
@@ -192,4 +190,3 @@ function stairsplus:register_stair(modname, subname, recipeitem, fields)
 			recipe = {"moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname, "moreblocks:panel_" .. subname},
 		})
 end
-