Version MFF.

depends.txt

@@ -1,5 +1,4 @@
 default
 flowers?
 moreblocks?
-skins?
-treecapitator?
+watershed?

init.lua

@@ -47,34 +47,43 @@ http://github.com/Splizard/minetest-mod-snow/
 --  Until something else can be figured out, use paramat's "Snowdrift" mod instead.
 -- dofile(modpath.."/falling_snow.lua")
 
-local load_time_start = minetest.get_us_time()
-
-
 -- Original init.lua File Broken into Smaller Files
-local srcpath = minetest.get_modpath"snow".."/src/"
-dofile(srcpath.."abms.lua")
-dofile(srcpath.."aliases.lua")
-dofile(srcpath.."crafting.lua")
+local modpath = minetest.get_modpath("snow")
+dofile(modpath.."/src/abms.lua")
+dofile(modpath.."/src/aliases.lua")
+dofile(modpath.."/src/crafting.lua")
 
 
 -- The formspec menu didn't work when util.lua was the very first "dofile" so I moved
 -- it and all the other original "dofiles", in order, to the bottom of the list. ~ LazyJ
 -- Minetest would crash if the mapgen was called upon before the rest of other snow lua files so
 -- I put it lower on the list and that seems to do the trick. ~ LazyJ
-dofile(srcpath.."util.lua")
-dofile(srcpath.."snowball.lua")
+dofile(modpath.."/src/util.lua")
+dofile(modpath.."/src/snowball.lua")
 -- To get Xmas tree saplings, the "christmas_content", true or false, in "util.lua" has to be determined first.
 -- That means "nodes.lua", where the saplings are controlled, has to come after "util.lua". ~ LazyJ
-dofile(srcpath.."nodes.lua")
-dofile(srcpath.."mapgen.lua")
-dofile(srcpath.."sled.lua")
-dofile(srcpath.."falling_snow.lua")
+dofile(modpath.."/src/nodes.lua")
+dofile(modpath.."/src/basic_stairs_slabs.lua")
+-- dofile(modpath.."/src/mapgen.lua")
+dofile(modpath.."/src/sled.lua")
+-- dofile(modpath.."/src/falling_snow.lua")
 
 
+
+-- Check for "MoreBlocks". If not found, skip this next "dofile".
+
+if rawget(_G, "stairsplus")
+and minetest.get_modpath("moreblocks") then
+
+	dofile(modpath.."/src/stairsplus.lua")
+
+end
+
 local is_uneven
 --This function places snow checking at the same time for snow level and increasing as needed.
 --This also takes into account sourrounding snow and makes snow even.
 function snow.place(pos)
+	if pos.y < -19000 then return end -- Don't put anything in the nether!
 	local node = minetest.get_node_or_nil(pos)
 
 	--Oops, maybe there is no node?
@@ -189,12 +198,3 @@ snow.register_on_configuring(function(name, v)
 		end
 	end
 end)
-
-
-local time = (minetest.get_us_time() - load_time_start) / 1000000
-local msg = "[snow] loaded after ca. " .. time .. " seconds."
-if time > 0.01 then
-	print(msg)
-else
-	minetest.log("info", msg)
-end

readme.txt

@@ -1,19 +1,19 @@
-   _____                       __  __           _
+   _____                       __  __           _ 
   / ____|                     |  \/  |         | |
  | (___  _ __   _____      __ | \  / | ___   __| |
   \___ \| '_ \ / _ \ \ /\ / / | |\/| |/ _ \ / _` |
   ____) | | | | (_) \ V  V /  | |  | | (_) | (_| |
  |_____/|_| |_|\___/ \_/\_/   |_|  |_|\___/ \__,_|
-
+				
 					Version 3.2
-
+				
 By Splizard and LazyJ.
 
 Minetest version:  0.4.9
 Depends: default
 License:  GPL v2
 
-Complimentary Mods:
+Complimentary Mods: 
 ---------------------
 *	"Snowdrift" by paramat
 *	"More Blocks" by Calinou (2014_05_11 or newer)
@@ -62,7 +62,7 @@ There are nine biome types:
 * Alpine
 * Snowy
 * Plain
-
+  
 Snow can be picked up and thrown as snowballs or stacked into snow blocks.
 Snow and ice melts when near warm blocks such as torches or igniters such as lava.
 Snow blocks freeze water source blocks around them.
@@ -101,9 +101,3 @@ As admin you can use the /snow command in-game to make various changes.
 UNINSTALL:
 ------------
 Simply delete the folder snow from the mods folder.
-
-
-
-TODO:
-— use the settingtypes.txt
-— test if the fixed ground_y search works correctly at chunkcorners at ground level

src/abms.lua

@@ -1,3 +1,16 @@
+--Backwards Compatability.
+minetest.register_abm({
+	nodenames = {"snow:snow1","snow:snow2","snow:snow3","gsnow4","snow:snow5","snow:snow6","snow:snow7","snow:snow8"},
+	interval = 1,
+	chance = 1,
+	action = function(pos, node)
+		minetest.add_node(pos, {name="default:snow"})
+		minetest.set_node_level(pos, 7*(tonumber(node.name:sub(-1))))
+	end,
+})
+
+
+
 -- Added to change dirt_with_snow to dirt if covered with blocks that don't let light through (sunlight_propagates) or have a light paramtype and liquidtype combination. ~ LazyJ, 2014_03_08
 
 minetest.register_abm({
@@ -139,7 +152,7 @@ minetest.register_abm({
 
 
 
-
+--[[
 --Grow Pine Saplings
 minetest.register_abm({
 	nodenames = {"snow:sapling_pine"},
@@ -158,21 +171,21 @@ minetest.register_abm({
 		end
 		-- 'then' let the sapling grow into a tree. ~ LazyJ
 
-		snow.make_pine(pos,false)
+		-- snow.make_pine(pos,false)
 		-- This finds the sapling under the grown tree. ~ LazyJ
 		if minetest.get_node(pos).name == "snow:sapling_pine" then
 			   -- This switches the sapling to a tree trunk. ~ LazyJ
-			minetest.set_node(pos, {name="default:pinetree"})
+			   minetest.set_node(pos, {name="default:pinetree"})
 			   -- This is more for testing but it may be useful info to some admins when
 			   -- grepping the server logs too. ~ LazyJ
-			minetest.log("action", "A pine sapling grows into a tree at "..minetest.pos_to_string(pos))
+			   minetest.log("action", "A pine sapling grows into a tree at "..minetest.pos_to_string(pos))
 		end
 	end
-})
-
+})]]
 
 
 
+--[[
 --Grow Christmas Tree Saplings
 minetest.register_abm({
 	nodenames = {"snow:xmas_tree"},
@@ -188,14 +201,14 @@ minetest.register_abm({
 		end
 		-- 'then' let the sapling grow into a tree. ~ LazyJ
 
-		snow.make_pine(pos,false,true)
+		--snow.make_pine(pos,false,true)
 		minetest.log("action", "A pine sapling grows into a Christmas tree at "..minetest.pos_to_string(pos)) -- ~ LazyJ
 		--else  -- 'Else', if there isn't air in each of the 8 nodes above the sapling,
 				-- then don't anything; including not allowing the sapling to grow.
 				-- ~ LazyJ, 2014_04_10
 		--end
 	end
-})
+})]]
 
 
 

src/aliases.lua

@@ -1,6 +1,7 @@
 -- Some aliases for compatibility switches and some to make "/give" commands
 -- a little easier
 
+minetest.register_alias("snow:needles", "default:pine_needles")
 minetest.register_alias("snow:snow", "default:snow")
 minetest.register_alias("default_snow", "default:snow")
 minetest.register_alias("snow:snowball", "default:snow")
@@ -25,7 +26,8 @@ minetest.register_alias("icysnow", "snow:snow_cobble")
 minetest.register_alias("snowcobble", "snow:snow_cobble")
 minetest.register_alias("snowycobble", "snow:snow_cobble")
 minetest.register_alias("cobblesnow", "snow:snow_cobble")
-
+minetest.register_alias("snow:leaves", "default:pine_needles")
+minetest.register_alias("snow:sapling_pine", "default:pine_sapling")
 
 -- To clean up my first stairsplus attempt.
 -- Stair

src/falling_snow.lua

@@ -106,25 +106,7 @@ local function cold_perlin_test(x, y)
 	end
 
 	v = minetest.get_perlin(112,3, 0.5, perlin_scale):get2d({x=x, y=y}) >= rarity
-
-	local em = ""
-	if type(x) ~= "number" then
-		em = em.. "x no number but "..type(x).." "
-	elseif x%1 ~= 0 then
-		em = em.. "x no integer but "..x.." "
-	end
-	if type(y) ~= "number" then
-		em = em.. "y no number but "..type(y).." "
-	elseif y%1 ~= 0 then
-		em = em.. "y no integer but "..y.." "
-	end
-	if em ~= "" then
-		error(em)
-	end
-
-	if cold_perl_values[y] then
-		cold_perl_values[y][x] = v
-	end
+	cold_perl_values[y][x] = v
 	return v
 end
 
@@ -238,7 +220,7 @@ end
 local lighter_snowfall = snow.lighter_snowfall
 local function calc_snowfall()
 	for _, player in pairs(minetest.get_connected_players()) do
-		local ppos = vector.round(player:getpos())
+		local ppos = player:getpos()
 
 		-- Make sure player is not in a cave/house...
 		if get_snow(ppos)

src/mapgen.lua

@@ -197,25 +197,3 @@ function snow.voxelmanip_pine(pos,a,data)
 		data[a:index(pos.x,pos.y+7,pos.z)] = c_snow
 	end
 end
-
--- treecapitator support
-if minetest.global_exists"treecapitator" then
-	treecapitator.register_tree{
-		trees = {"default:pine_tree"},
-		leaves = {"snow:needles"},
-		range = 1,
-		range_up = 2,
-		range_down = 3,
-		stem_height_min = 1,
-	}
-
-	treecapitator.register_tree{
-		trees = {"default:pine_tree"},
-		leaves = {"snow:needles_decorated"},
-		fruits = {"snow:star_lit", "snow:star"},
-		range = 1,
-		range_up = 3,
-		range_down = 3,
-		stem_height_min = 1,
-	}
-end

src/mapgen_v6.lua

@@ -172,21 +172,6 @@ snow.register_on_configuring(function(name, v)
 	end
 end)
 
-local perlin_objs, perlins_chulen
-local function get_perlins(sidelen)
-	if perlins_chulen == sidelen then
-		return
-	end
-	perlins_chulen = sidelen
-	local chulens = {x=sidelen, y=sidelen}
-	perlin_objs = {
-		default = minetest.get_perlin_map(np_default, chulens),
-		cold = minetest.get_perlin_map(np_cold, chulens),
-		ice = minetest.get_perlin_map(np_ice, chulens),
-	}
-end
-
-local nbuf_default, nbuf_cold, nbuf_ice
 minetest.register_on_generated(function(minp, maxp, seed)
 	local t1 = os.clock()
 
@@ -209,9 +194,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local snow_tab,num = {},1
 	local pines_tab,pnum = {},1
 
-	get_perlins(x1 - x0 + 1)
-	local nvals_default = perlin_objs.default:get2dMap_flat({x=x0+150, y=z0+50}, nbuf_default)
-	local nvals_cold, nvals_ice, ndia
+	local sidelen = x1 - x0 + 1
+	local chulens = {x=sidelen, y=sidelen, z=sidelen}
+	local nvals_default = minetest.get_perlin_map(np_default, chulens):get2dMap_flat{x=x0+150, y=z0+50}
+	local nvals_cold, nvals_ice
 
 	-- Choose biomes
 	local pr = PseudoRandom(seed+57)
@@ -237,7 +223,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		local in_biome = false
 		local test
 		if nvals_default[ni] < 0.35 then
-			nvals_cold = nvals_cold or perlin_objs.cold:get2dMap_flat({x=x0, y=z0}, nbuf_cold)
+			if not nvals_cold then
+				nvals_cold = minetest.get_perlin_map(np_cold, chulens):get2dMap_flat{x=x0, y=z0}
+			end
 			test = math.min(nvals_cold[ni], 1)
 			if smooth then
 				if test >= smooth_rarity_max
@@ -259,40 +247,41 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				-- remove trees near alpine
 				local ground_y
 				if data[area:index(x, maxp.y, z)] == c.air then
-					local ytop = math.min(heightmap[ni]+20, maxp.y)
-					local vi = area:index(x, ytop, z)
-					for y = ytop, math.max(minp.y, heightmap[ni]-5), -1 do
-						if data[vi] ~= c.air then
+					for y = math.min(heightmap[ni]+20, maxp.y), math.max(minp.y, heightmap[ni]-5), -1 do
+						if data[area:index(x, y, z)] ~= c.air then
 							ground_y = y
 							break
 						end
-						vi = vi - area.ystride
 					end
 				end
 
 				if ground_y then
 					local vi = area:index(x, ground_y, z)
-					for _ = minp.y - 16, ground_y do
-						local id = data[vi]
-						if id == c.leaves
-						or id == c.jungleleaves
-						or id == c.tree
-						or id == c.apple then
-							data[vi] = c.air
-							nodes_added = true
-						else
-							break
+					if data[vi] == c.leaves
+					or data[vi] == c.jungleleaves then
+						nodes_added = true
+						for y = ground_y, -16, -1 do
+							local vi = area:index(x, y, z)
+							local id = data[vi]
+							if id ~= c.air then
+								if id == c.leaves
+								or id == c.jungleleaves
+								or id == c.tree
+								or id == c.apple then
+									data[vi] = c.air
+								else
+									break
+								end
+							end
 						end
-						vi = vi - area.ystride
 					end
 				end
 			end
 		else
+			nodes_added = true
+			write_to_map = true
 			if not nvals_ice then
-				nvals_ice = perlin_objs.ice:get2dMap_flat({x=x0, y=z0}, nbuf_ice)
-
-				nodes_added = true
-				write_to_map = true
+				nvals_ice = minetest.get_perlin_map(np_ice, chulens):get2dMap_flat{x=x0, y=z0}
 			end
 			local icetype = nvals_ice[ni]
 			local cool = icetype > 0 -- only spawns ice on edge of water
@@ -306,14 +295,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 			-- avoid generating underground
 			if data[area:index(x, maxp.y, z)] == c.air then
 				-- search for non air node from 20 m above ground down to 5 m below ground (confined by minp and maxp)
-				local ytop = math.min(heightmap[ni]+20, maxp.y)
-				local vi = area:index(x, ytop, z)
-				for y = ytop, math.max(minp.y, heightmap[ni]-5), -1 do
-					if data[vi] ~= c.air then
+				for y = math.min(heightmap[ni]+20, maxp.y), math.max(minp.y, heightmap[ni]-5), -1 do
+					if data[area:index(x, y, z)] ~= c.air then
 						ground_y = y
 						break
 					end
-					vi = vi - area.ystride
 				end
 			end
 
@@ -327,13 +313,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						snow_tab[num] = {ground_y, z, x, test}
 						num = num+1
 						-- generate stone ground
-						local vi = area:index(x, ground_y, z)
-						for _ = math.max(-6, minp.y-6), ground_y do
+						for y = ground_y, math.max(-6, minp.y-6), -1 do
+							local vi = area:index(x, y, z)
 							if data[vi] == c.stone then
 								break
 							end
 							data[vi] = c.stone
-							vi = vi - area.ystride
 						end
 					elseif pines
 					and pr:next(1,36) == 1 then
@@ -358,21 +343,26 @@ minetest.register_on_generated(function(minp, maxp, seed)
 					if not icesheet
 					and not icecave
 					and not icehole then
-						local y = data[node - area.ystride]
-						local ice = y ~= c.water and y ~= c.ice
-
+						local nds = {
+							data[area:index(x+1, ground_y, z)],
+							data[area:index(x, ground_y, z+1)],
+							data[area:index(x+1, ground_y, z+1)],
+							data[area:index(x-1, ground_y, z-1)],
+							data[area:index(x-1, ground_y, z)],
+							data[area:index(x, ground_y, z-1)],
+						}
+						local ice
+						if pr:next(1,4) == 1
+						and (cool or icebergs) then
+							for _,i in ipairs(nds) do
+								if i == c.ice then
+									ice = true
+									break
+								end
+							end
+						end
 						if not ice then
-							ndia = ndia or {
-								area.zstride - 1,
-								1,
-								-2*area.zstride - 2,
-								area.zstride,
-								1 - area.zstride,
-								0
-							}
-							local vi = node + 1
-							for n = 1,6 do
-								local i = data[vi]
+							for _,i in ipairs(nds) do
 								if i ~= c.water
 								and i ~= c.ice
 								and i ~= c.air
@@ -380,24 +370,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 									ice = true
 									break
 								end
-								vi = vi + ndia[n]
-							end
-
-							if not ice
-							and (cool or icebergs)
-							and pr:next(1,4) == 1 then
-
-								local vi = node + 1
-								for i = 1,6 do
-									if data[vi] == c.ice then
-										ice = true
-										break
-									end
-									vi = vi + ndia[i]
-								end
 							end
 						end
+						local y = data[area:index(x, ground_y-1, z)]
 						if ice
+						or (y ~= c.water and y ~= c.ice) -- and y ~= "air") …I don't think y can be a string here ~HybridDog
 						or (icebergs and pr:next(1,6) == 1) then
 							data[node] = c.ice
 						end
@@ -408,13 +385,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							data[node] = c.ice
 						end
 						if icecave then
-							local vi = area:index(x, ground_y-1, z)
-							for _ = math.max(minp.y-16, -33), ground_y-1 do
+							for y = ground_y-1, -33, -1 do
+								local vi = area:index(x, y, z)
 								if data[vi] ~= c.water then
 									break
 								end
 								data[vi] = c.air
-								vi = vi - area.ystride
 							end
 						end
 						if icesheet then
@@ -433,23 +409,24 @@ minetest.register_on_generated(function(minp, maxp, seed)
 					snow_tab[num] = {ground_y, z, x, test}
 					num = num+1
 					-- replace papyrus plants with snowblocks
-					local vi = area:index(x, ground_y, z)
+					local y = ground_y
 					for _ = 1,7 do
-						if data[vi] ~= c.papyrus then
+						local vi = area:index(x, y, z)
+						if data[vi] == c.papyrus then
+							data[vi] = c.snow_block
+							y = y-1
+						else
 							break
 						end
-						data[vi] = c.snow_block
-						vi = vi - area.ystride
 					end
 				elseif alpine then
 					-- make stone pillars out of trees and other stuff
-					local vi = area:index(x, ground_y, z)
-					for _ = 0, ground_y - math.max(-6, minp.y-6) do
-						if data[vi] == c.stone then
+					for y = ground_y, math.max(-6, minp.y-6), -1 do
+						local stone = area:index(x, y, z)
+						if data[stone] == c.stone then
 							break
 						end
-						data[vi] = c.stone
-						vi = vi - area.ystride
+						data[stone] = c.stone
 					end
 					-- put snow onto it
 					snow_tab[num] = {ground_y, z, x, test}
@@ -460,8 +437,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						snow_tab[num] = {ground_y, z, x, test}
 						num = num+1
 					end
-					local vi = area:index(x, ground_y, z)
-					for _ = 0, 12 do
+					for y = 0, 12 do
+						y = ground_y-y
+						local vi = area:index(x, y, z)
 						local nd = data[vi]
 						local plantlike = is_plantlike(nd)
 						if replacements[nd] then
@@ -473,7 +451,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							data[vi] = c.dirt_with_snow
 							break
 						elseif plantlike then
-							local under = vi - area.ystride
+							local under = area:index(x, y-1, z)
 							if data[under] == c.dirt_with_grass then
 								-- replace other plants with shrubs
 								data[vi] = c.snow_shrub
@@ -484,7 +462,6 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						elseif nd == c.stone then
 							break
 						end
-						vi = vi - area.ystride
 					end
 				end
 			end
@@ -498,14 +475,15 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		return
 	end
 
+	-- try to fix oom memory crashes
+	minetest.after(0, collectgarbage)
+
 	if num ~= 1 then
-		for i = 1, num-1 do
-			i = snow_tab[i]
+		for _,i in pairs(snow_tab) do
 			-- set snow
 			data[area:index(i[3], i[1]+1, i[2])] = c.snow
 		end
-		for i = 1, num-1 do
-			i = snow_tab[i]
+		for _,i in pairs(snow_tab) do
 			local y,z,x,test = unpack(i)
 			test = (test-nosmooth_rarity)/(1-nosmooth_rarity) -- /(1-0.53)
 			if test > 0 then
@@ -550,8 +528,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	if pines
 	and pnum ~= 1 then
 		local spawn_pine = snow.voxelmanip_pine
-		for i = 1, pnum-1 do
-			spawn_pine(pines_tab[i], area, data)
+		for _,pos in pairs(pines_tab) do
+			spawn_pine(pos, area, data)
 		end
 	end
 

src/nodes.lua

@@ -13,11 +13,6 @@ local nodedef = {
 	drop = {
 		max_items = 1,
 		items = {
-			{
-				-- player will get sapling with 1/20 chance
-				items = {'snow:sapling_pine'},
-				rarity = 20,
-			},
 			{
 				items = {'snow:needles'},
 			}
@@ -32,15 +27,15 @@ If christmas_content is enabled, then this next part will override the pine need
 The Xmas tree needles are registred and defined a farther down in this nodes.lua file.
 
 ~ LazyJ
-]]
+
 if snow.christmas_content then
 	table.insert(nodedef.drop.items, 1, {
 		-- player will get xmas tree with 1/120 chance
-		items = {"snow:xmas_tree"},
+		items = {'snow:xmas_tree'},
 		rarity = 120,
 	})
 end
-
+]]
 minetest.register_node("snow:needles", table.copy(nodedef))
 
 snow.register_on_configuring(function(name, v)
@@ -85,7 +80,7 @@ nodedef.drop.items[#nodedef.drop.items] = {items = {'snow:needles_decorated'}}
 minetest.register_node("snow:needles_decorated", nodedef)
 
 
--- Saplings
+--[[ Saplings
 
 nodedef = {
 	description = "Pine Sapling",
@@ -111,7 +106,7 @@ nodedef.inventory_image = "snow_xmas_tree.png"
 nodedef.wield_image = "snow_xmas_tree.png"
 
 minetest.register_node("snow:xmas_tree", nodedef)
-
+]]
 
 nodedef = {
 	description = "Star",
@@ -137,7 +132,7 @@ minetest.register_node("snow:star", table.copy(nodedef))
 
 -- Star (Lit Version) on Xmas Trees
 nodedef.description = nodedef.description.." Lighted"
-nodedef.light_source = LIGHT_MAX
+nodedef.light_source = default.LIGHT_MAX
 nodedef.tiles = {"snow_star_lit.png"}
 nodedef.drop = "snow:star"
 nodedef.groups.not_in_creative_inventory = 1
@@ -335,12 +330,16 @@ minetest.register_node("snow:snow_cobble", nodedef)
 
 -- Override Default Nodes to Add Extra Functions
 
+-- This adds code to the existing default ice. ~ LazyJ
 minetest.override_item("default:ice", {
-	use_texture_alpha = true,
-	param2 = 0, --param2 is reserved for how much ice will freezeover.
-	sunlight_propagates = true, -- necessary for dirt_with_grass/snow/just dirt ABMs
+	-- The Lines: 1. Alpah to make semi-transparent ice, 2 to work with
+	-- the dirt_with_grass/snow/just dirt ABMs. ~ LazyJ, 2014_03_09
+	use_texture_alpha = true, -- 1
+	param2 = 0,
+	--param2 is reserved for how much ice will freezeover.
+	sunlight_propagates = true, -- 2
 	drawtype = "glasslike",
-	inventory_image  = minetest.inventorycube"default_ice.png".."^[brighten",
+	inventory_image  = minetest.inventorycube("default_ice.png").."^[brighten",
 	liquidtype = "none",
 	 -- I made this a lot harder to dig than snow blocks because ice is much more dense
 	 -- and solid than fluffy snow. ~ LazyJ
@@ -354,11 +353,12 @@ minetest.override_item("default:ice", {
 })
 
 
+
+-- This adds code to the existing, default snowblock. ~ LazyJ
 minetest.override_item("default:snowblock", {
-	-- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
-	liquidtype = "none",
-	paramtype = "light",
-	sunlight_propagates = true,
+	liquidtype = "none", -- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
+	paramtype = "light",  -- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
+	sunlight_propagates = true, -- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
 	 -- Snow blocks should be easy to dig because they are just fluffy snow. ~ LazyJ
 	groups = {cracky=3, crumbly=3, choppy=3, oddly_breakable_by_hand=3, melts=1, icemaker=1, cooks_into_ice=1, falling_node=1},
 	--drop = "snow:snow_cobble",
@@ -366,106 +366,3 @@ minetest.override_item("default:snowblock", {
 		-- Thinking in terms of layers, dirt_with_snow could also double as
 		-- dirt_with_frost which adds subtlety to the winterscape. ~ LazyJ, 2014_04_04
 })
-
-
-minetest.override_item("default:snow", {
-	drop = {
-		max_items = 2,
-		items = {
-			{items = {'snow:moss'}, rarity = 20,},
-			{items = {'default:snow'},}
-		}
-	},
-	leveled = 7,
-	node_box = {
-		type = "leveled",
-		fixed = {
-			{-0.5, -0.5, -0.5, 0.5, -0.5, 0.5},
-		},
-	},
-	groups = {cracky=3, crumbly=3, choppy=3, oddly_breakable_by_hand=3, falling_node=1, melts=2, float=1},
-	sunlight_propagates = true,
-	walkable = true,
-	node_placement_prediction = "",
-	on_construct = function(pos)
-		pos.y = pos.y-1
-		local node = minetest.get_node(pos)
-		if node.name == "default:dirt_with_grass"
-		or node.name == "default:dirt" then
-			node.name = "default:dirt_with_snow"
-			minetest.set_node(pos, node)
-		end
-	end,
-	--Handle node drops due to node level.
-	on_dig = function(pos, node, digger)
-		local level = minetest.get_node_level(pos)
-		minetest.node_dig(pos, node, digger)
-		if minetest.get_node(pos).name ~= node.name then
-			local inv = digger:get_inventory()
-			if not inv then
-				return
-			end
-			local left = inv:add_item("main", "default:snow "..tostring(level/7-1))
-			if not left:is_empty() then
-				minetest.add_item({
-					x = pos.x + math.random()/2-0.25,
-					y = pos.y + math.random()/2-0.25,
-					z = pos.z + math.random()/2-0.25,
-				}, left)
-			end
-		end
-	end,
-	--Manage snow levels.
-	on_place = function(itemstack, placer, pointed_thing)
-		local under = pointed_thing.under
-		local oldnode_under = minetest.get_node_or_nil(under)
-		local above = pointed_thing.above
-
-		if not oldnode_under
-		or not above then
-			return
-		end
-
-		local olddef_under = ItemStack({name=oldnode_under.name}):get_definition()
-		olddef_under = olddef_under or minetest.nodedef_default
-
-		local place_to
-		-- If node under is buildable_to, place into it instead (eg. snow)
-		if olddef_under.buildable_to then
-			place_to = under
-		else
-			-- Place above pointed node
-			place_to = above
-		end
-
-		local level = minetest.get_node_level(place_to)
-		if level == 63 then
-			minetest.set_node(place_to, {name="default:snowblock"})
-		else
-			minetest.set_node_level(place_to, level+7)
-		end
-
-		if minetest.get_node(place_to).name ~= "default:snow" then
-			local itemstack, placed = minetest.item_place_node(itemstack, placer, pointed_thing)
-			return itemstack, placed
-		end
-
-		itemstack:take_item()
-
-		return itemstack
-	end,
-	on_use = snow.shoot_snowball
-})
-
-
-
--- Do stairs files
-
-local path = minetest.get_modpath"snow".."/src/"
-
-dofile(path.."basic_stairs_slabs.lua")
-
-if minetest.global_exists"stairsplus"
-and minetest.get_modpath"moreblocks" then
-	dofile(path.."stairsplus.lua")
-end

src/snowball.lua

@@ -6,13 +6,13 @@
 -- Quite a bit of trial-and-error learning here and it boiled down to a
 -- small handful of code lines making the difference. ~ LazyJ
 
-local creative_mode = minetest.settings:get_bool"creative_mode"
+local creative_mode = minetest.setting_getbool("creative_mode")
 
 
 local snowball_velocity, entity_attack_delay
 local function update_snowball_vel(v)
 	snowball_velocity = v
-	local walkspeed = tonumber(minetest.settings:get"movement_speed_walk") or 4
+	local walkspeed = tonumber(minetest.setting_get("movement_speed_walk")) or 4
 	entity_attack_delay = (walkspeed+1)/v
 end
 update_snowball_vel(snow.snowball_velocity)
@@ -27,14 +27,14 @@ snow.register_on_configuring(function(name, v)
 end)
 
 local function get_gravity()
-	local grav = tonumber(minetest.settings:get"movement_gravity") or 9.81
+	local grav = tonumber(minetest.setting_get("movement_gravity")) or 9.81
 	return grav*snowball_gravity
 end
 
 local someone_throwing, just_acitvated
 
 --Shoot snowball
-function snow.shoot_snowball(item, player)
+local function snow_shoot_snowball(item, player)
 	local addp = {y = 1.625} -- + (math.random()-0.5)/5}
 	local dir = player:get_look_dir()
 	local dif = 2*math.sqrt(dir.z*dir.z+dir.x*dir.x)
@@ -64,7 +64,7 @@ if creative_mode then
 				local item = player:get_wielded_item()
 				local itemname = item:get_name()
 				if itemname == "default:snow" then
-					snow.shoot_snowball(nil, player)
+					snow_shoot_snowball(nil, player)
 					active = true
 					break
 				end
@@ -174,11 +174,10 @@ function snow_snowball_ENTITY.on_step(self, dtime)
 	end
 	for _,v in pairs(minetest.get_objects_inside_radius(pos, 1.73)) do
 		if v ~= self.object then
-			local entity_name = v:get_luaentity().name
-			if v:is_player()
-			or (entity_name ~= "snow:snowball_entity"
+			local entity_name = v:get_entity_name()
+			if entity_name ~= "snow:snowball_entity"
 			and entity_name ~= "__builtin:item"
-			and entity_name ~= "gauges:hp_bar") then
+			and entity_name ~= "gauges:hp_bar" then
 				local vvel = v:getvelocity() or v:get_player_velocity()
 				local veldif = self.object:getvelocity()
 				if vvel then
@@ -252,6 +251,97 @@ minetest.register_node(":default:snow", {
 
 
 
+minetest.override_item("default:snow", {
+	drop = {
+		max_items = 2,
+		items = {
+			{items = {'snow:moss'}, rarity = 20,},
+			{items = {'default:snow'},}
+		}
+	},
+	leveled = 7,
+	node_box = {
+		type = "leveled",
+		fixed = {
+			{-0.5, -0.5, -0.5, 0.5, -0.5, 0.5},
+		},
+	},
+	groups = {cracky=3, crumbly=3, choppy=3, oddly_breakable_by_hand=3, falling_node=1, melts=2, float=1},
+	sunlight_propagates = true,
+	--Disable placement prediction for snow.
+ 	node_placement_prediction = "",
+	on_construct = function(pos)
+		pos.y = pos.y-1
+		local node = minetest.get_node(pos)
+		if node.name == "default:dirt_with_grass"
+		or node.name == "default:dirt" then
+			node.name = "default:dirt_with_snow"
+			minetest.set_node(pos, node)
+		end
+	end,
+	--Handle node drops due to node level.
+	on_dig = function(pos, node, digger)
+		local level = minetest.get_node_level(pos)
+		minetest.node_dig(pos, node, digger)
+		if minetest.get_node(pos).name ~= node.name then
+			local inv = digger:get_inventory()
+			if not inv then
+				return
+			end
+			local left = inv:add_item("main", "default:snow "..tostring(level/7-1))
+			if not left:is_empty() then
+				minetest.add_item({
+					x = pos.x + math.random()/2-0.25,
+					y = pos.y + math.random()/2-0.25,
+					z = pos.z + math.random()/2-0.25,
+				}, left)
+			end
+		end
+	end,
+	--Manage snow levels.
+	on_place = function(itemstack, placer, pointed_thing)
+		local under = pointed_thing.under
+		local oldnode_under = minetest.get_node_or_nil(under)
+		local above = pointed_thing.above
+
+		if not oldnode_under
+		or not above then
+			return
+		end
+
+		local olddef_under = ItemStack({name=oldnode_under.name}):get_definition()
+		olddef_under = olddef_under or minetest.nodedef_default
+
+		local place_to
+		-- If node under is buildable_to, place into it instead (eg. snow)
+		if olddef_under.buildable_to then
+			place_to = under
+		else
+			-- Place above pointed node
+			place_to = above
+		end
+
+		local level = minetest.get_node_level(place_to)
+		if level == 63 then
+			minetest.set_node(place_to, {name="default:snowblock"})
+		else
+			minetest.set_node_level(place_to, level+7)
+		end
+
+		if minetest.get_node(place_to).name ~= "default:snow" then
+			local itemstack, placed = minetest.item_place_node(itemstack, placer, pointed_thing)
+			return itemstack, placed
+		end
+
+		itemstack:take_item()
+
+		return itemstack
+	end,
+	on_use = snow_shoot_snowball
+})
+
+
+
 --[[
 A note about default torches, melting, and "buildable_to = true" in default snow.
 

src/stairsplus.lua

@@ -36,7 +36,7 @@ There is one in each of the "stairsplus.register_all" sections.
 
 -- Check for infinite stacks
 
---if minetest.get_modpath("unified_inventory") or not minetest.settigetbool("creative_mode") then
+--if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then
 --	snow_stairsplus.expect_infinite_stacks = false
 --else
 --	snow_stairsplus.expect_infinite_stacks = true
@@ -50,9 +50,12 @@ There is one in each of the "stairsplus.register_all" sections.
 -- First, let's run a check to see if MoreBlocks is installed; we're going to need it for the
 -- next section of stairsplus stuff. ~LazyJ
 
+if (minetest.get_modpath("moreblocks"))
+and rawget(_G, "stairsplus")
 
 -- 'If' MoreBlocks was found and stairsplus is available, well, 'then' go ahead with this next part:
 
+then
 
 --[[  Leave commented out - For reference only. ~ LazyJ
 function stairsplus.register_all(modname, subname, recipeitem, fields)
@@ -271,6 +274,7 @@ for _, name in pairs(snow_nodes) do
 
 	stairsplus:register_all("moreblocks", name, nodename, {
 		description = ndef.description,
+		drop = ndef.drop,
 		groups = {cracky=2, crumbly=2, choppy=2, oddly_breakable_by_hand=2, melts=2, icemaker=1},
 		tiles = ndef.tiles,
 		--paramtype2 = "facedir",
@@ -332,7 +336,7 @@ for _, name in pairs(snow_nodes) do
 	})
 end
 
-  -- from clear up at the top, the MoreBlocks check. "Else", if MoreBlocks wasn't found, skip
+else  -- from clear up at the top, the MoreBlocks check. "Else", if MoreBlocks wasn't found, skip
 		-- down to here, "return" nothing and "end" this script. ~ LazyJ
-
-
+return
+end

src/util.lua

@@ -103,8 +103,9 @@ do
 		--Create config file.
 		return
 	end
+	io.close(file)
 	config = {}
-	for line in file:lines() do
+	for line in io.lines(path) do
 		if line:sub(1,1) ~= "#" then
 			local i, v = line:match("^(%S*) = (%S*)")
 			if i and v then
@@ -112,7 +113,6 @@ do
 			end
 		end
 	end
-	io.close(file)
 end
 
 if config then
@@ -132,7 +132,7 @@ end
 
 for i,v in pairs(snow) do
 	if allowed_types[type(v)] then
-		local v = minetest.settings:get("snow_"..i)
+		local v = minetest.setting_get("snow_"..i)
 		if v ~= nil then
 			snow[i] = value_from_string(v)
 		end