Makes ice slippery and removes messages of depreciation

src/falling_snow.lua

@@ -96,7 +96,7 @@ if snow.enable_snowfall then
 
 		for _, player in ipairs(minetest.get_connected_players()) do
 			local player_name = player:get_player_name()
-			local pos_player = player:getpos()
+			local pos_player = player:get_pos()
 			local pposy = math.floor(pos_player.y) + 2 -- Precipitation when swimming
 			if pposy >= YLIMIT - 2 then
 				local pposx = math.floor(pos_player.x)
@@ -107,9 +107,9 @@ if snow.enable_snowfall then
 				local nobj_humid = minetest.get_perlin(np_humid)
 				local nobj_prec = minetest.get_perlin(np_prec)
 
-				local nval_temp = nobj_temp:get2d({x = pposx, y = pposz})
-				local nval_humid = nobj_humid:get2d({x = pposx, y = pposz})
-				local nval_prec = nobj_prec:get2d({x = os.clock() / 60, y = 0})
+				local nval_temp = nobj_temp:get_2d({x = pposx, y = pposz})
+				local nval_humid = nobj_humid:get_2d({x = pposx, y = pposz})
+				local nval_prec = nobj_prec:get_2d({x = os.clock() / 60, y = 0})
 
 				-- Biome system: Frozen biomes below heat 35,
 				-- deserts below line 14 * t - 95 * h = -1496
@@ -151,14 +151,13 @@ if snow.enable_snowfall then
 								((time - 0.1875) / 0.0521) * difsval)
 						end
 						-- Set sky to overcast bluish-grey
-						player:set_sky(
-							{r = sval, g = sval, b = sval + 16, a = 255},
-							"plain",
-							{}
-						)
+						player:set_sky({
+							base_color = {r = sval, g = sval, b = sval + 16, a = 255},
+							type = "plain",
+						})
 					else
 						-- Reset sky to normal
-						player:set_sky({}, "regular", {})
+						player:set_sky({type = "regular"})
 					end
 				end
 

src/nodes.lua

@@ -66,10 +66,10 @@ end)
 
 
 
-	-- Christmas egg
-	if minetest.global_exists"skins" then
-		skins.add"character_snow_man"
-	end
+-- Christmas egg
+if minetest.global_exists("skins") then
+	skins.add("character_snow_man")
+end
 
 
 -- Decorated Pine Leaves
@@ -291,8 +291,7 @@ local function snow_onto_dirt(pos)
 	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)
+		minetest.set_node(pos, {name = "default:dirt_with_snow"})
 	end
 end
 
@@ -312,14 +311,9 @@ nodedef = {
 	-- by player position. ~ LazyJ
 	 -- I made this a little harder to dig than snow blocks because
 	 -- I imagine snow brick as being much more dense and solid than fluffy snow. ~ LazyJ
-	groups = {cracky=2, crumbly=2, choppy=2, oddly_breakable_by_hand=2, melts=1, icemaker=1, cooks_into_ice=1},
+	groups = {cracky=2, crumbly=2, choppy=2, oddly_breakable_by_hand=2, melts=1, icemaker=1, cooks_into_ice=1, cools_lava = 1, snowy = 1},
 	 --Let's use the new snow sounds instead of the old grass sounds. ~ LazyJ
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name="default_snow_footstep", gain=0.25},
-		dig = {name="default_dig_crumbly", gain=0.4},
-		dug = {name="default_snow_footstep", gain=0.75},
-		place = {name="default_place_node", gain=1.0}
-	}),
+	sounds = default.node_sound_snow_defaults(),
 	-- The "on_construct" part below, thinking in terms of layers,
 	-- dirt_with_snow could also double as dirt_with_frost which adds subtlety
 	-- to the winterscape. ~ LazyJ
@@ -329,17 +323,14 @@ nodedef = {
 -- Snow Brick
 minetest.register_node("snow:snow_brick", table.copy(nodedef))
 
-
 -- hard Ice Brick, original texture from LazyJ
 local ibdef = table.copy(nodedef)
 ibdef.description = "Ice Brick"
 ibdef.tiles = {"snow_ice_brick.png"}
-ibdef.use_texture_alpha = true
+ibdef.use_texture_alpha = "blend"
 ibdef.drawtype = "glasslike"
-ibdef.groups = {cracky=1, crumbly=1, choppy=1, melts=1}
-ibdef.sounds = default.node_sound_glass_defaults({
-	dug = {name="default_hard_footstep", gain=1}
-})
+ibdef.groups = {cracky=1, crumbly=1, choppy=1, melts=1, cools_lava = 1, slippery = 3}
+ibdef.sounds = default.node_sound_ice_defaults()
 
 minetest.register_node("snow:ice_brick", ibdef)
 
@@ -351,44 +342,38 @@ nodedef.tiles = {"snow_snow_cobble.png"}
 
 minetest.register_node("snow:snow_cobble", nodedef)
 
-
-
 -- Override Default Nodes to Add Extra Functions
 
+local groups = minetest.registered_nodes["default:ice"].groups
+groups["melt"] = 1
 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
 	drawtype = "glasslike",
-	tiles = {"default_ice.png^[brighten"},
+	use_texture_alpha = "blend",
+	param2 = 0,  --param2 is reserved for how much ice will freezeover.
+	sunlight_propagates = true,  -- necessary for dirt_with_grass/snow/just dirt ABMs
+	tiles = {"snow_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
-	groups = {cracky=2, crumbly=1, choppy=1, --[[oddly_breakable_by_hand=1,]] melts=1},
+	groups = groups,
 	on_construct = snow_onto_dirt,
 	liquids_pointable = true,
 	--Make ice freeze over when placed by a maximum of 10 blocks.
 	after_place_node = function(pos)
 		minetest.set_node(pos, {name="default:ice", param2=math.random(0,10)})
-	end
+	end,
 })
 
-
+groups = minetest.registered_nodes["default:snowblock"].groups
+for g,v in pairs({melts=1, icemaker=1, cooks_into_ice=1, falling_node=1}) do
+	groups[g] = v
+end
 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,
-	 -- 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",
-	on_construct = snow_onto_dirt
-		-- 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
+	on_construct = snow_onto_dirt,
+	groups = groups,
 })
 
-
 minetest.override_item("default:snow", {
 	drop = {
 		max_items = 2,

src/stairs.lua

@@ -45,7 +45,11 @@ if minetest.get_modpath("moreblocks") and
 			ndef.groups.icemaker = nil
 			ndef.groups.cooks_into_ice = nil
 			ndef.after_place_node = nil
-
+			if string.find(name, "ice") then
+				ndef.use_texture_alpha = "blend"
+			else
+				ndef.use_texture_alpha = "opaque"
+			end
 			stairsplus:register_all(mod, name, nodename, ndef)
 
 			if was_in_stairs[name] then