Add christmas trees.

init.lua

@@ -46,6 +46,11 @@ minetest.register_node("snow:needles", {
 	drop = {
 		max_items = 1,
 		items = {
+			{
+				-- player will get xmas tree with 1/50 chance
+				items = {'snow:xmas_tree'},
+				rarity = 50,
+			},
 			{
 				-- player will get sapling with 1/20 chance
 				items = {'snow:sapling_pine'},
@@ -69,6 +74,57 @@ minetest.register_node("snow:needles", {
 	sounds = default.node_sound_leaves_defaults(),
 })
 
+--Decorated Pine leaves.
+minetest.register_node("snow:needles_decorated", {
+	description = "Decorated Pine Needles",
+	drawtype = "allfaces_optional",
+	tiles = {"snow_needles_decorated.png"},
+	paramtype = "light",
+	groups = {snappy=3, leafdecay=3, flammable=2},
+		drop = {
+		max_items = 1,
+		items = {
+			{
+				-- player will get xmas tree with 1/20 chance
+				items = {'snow:xmas_tree'},
+				rarity = 50,
+			},
+			{
+				-- player will get sapling with 1/20 chance
+				items = {'snow:sapling_pine'},
+				rarity = 20,
+			},
+			{
+				-- player will get leaves only if he get no saplings,
+				-- this is because max_items is 1
+				items = {'snow:needles_decorated'},
+			}
+		}
+	},
+	--Remove snow above leaves after decay.
+	after_destruct = function(pos, node, digger)
+		pos.y = pos.y + 1
+		local nodename = minetest.env:get_node(pos).name
+		if nodename == "snow:snow" then
+			minetest.env:remove_node(pos)
+		end
+	end,
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("snow:xmas_tree", {
+	description = "Christmas Tree",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"snow_xmas_tree.png"},
+	inventory_image = "snow_xmas_tree.png",
+	wield_image = "snow_xmas_tree.png",
+	paramtype = "light",
+	walkable = false,
+	groups = {snappy=2,dig_immediate=3,flammable=2},
+	sounds = default.node_sound_defaults(),
+})
+
 minetest.register_node("snow:sapling_pine", {
 	description = "Pine Sapling",
 	drawtype = "plantlike",
@@ -82,6 +138,18 @@ minetest.register_node("snow:sapling_pine", {
 	sounds = default.node_sound_defaults(),
 })
 
+minetest.register_node("snow:star", {
+	description = "Star",
+	drawtype = "torchlike",
+	tiles = {"snow_star.png"},
+	inventory_image = "snow_star.png",
+	wield_image = "snow_star.png",
+	paramtype = "light",
+	walkable = false,
+	groups = {snappy=2,dig_immediate=3},
+	sounds = default.node_sound_defaults(),
+})
+
 minetest.register_craft({
 	type = "fuel",
 	recipe = "snow:needles",
@@ -401,6 +469,16 @@ minetest.register_abm({
     end,
 })
 
+--Grow saplings
+minetest.register_abm({
+    nodenames = {"snow:xmas_tree"},
+    interval = 10,
+    chance = 50,
+    action = function(pos, node, active_object_count, active_object_count_wider)
+		snow.make_pine(pos,false,true)
+    end,
+})
+
 if snow.enable_snowfall then
 
 	--Snowing

mapgen.lua

@@ -1,13 +1,15 @@
 --Makes pine tree
-function snow.make_pine(pos,snow)
+function snow.make_pine(pos,snow,xmas)
 	local env = minetest.env
 	local perlin1 = env:get_perlin(112,3, 0.5, 150) 
 	local try_node = function(pos, node)
 		local n = env:get_node(pos).name
-		if  n == "air" or n == "snow:needles" or n == "default:leaves" or n == "snow:sapling_pine" or n == "snow:snow" then
+		if  n == "air" or n == "snow:needles" or n == "default:leaves" or n == "snow:sapling_pine" or n == "snow:snow" or "snow:needles_decorated" then
 			env:add_node(pos,node)
 		end
 	end
+	local leaves = "snow:needles"
+	if xmas then leaves = "snow:needles_decorated" end
 	--Clear ground.
 	for x=-1,1 do
 	for z=-1,1 do
@@ -27,7 +29,7 @@ function snow.make_pine(pos,snow)
 			for z=-1,1 do
 				local x = pos.x + x
 				local z = pos.z + z
-				try_node({x=x,y=pos.y+i,z=z},{name="snow:needles"})
+				try_node({x=x,y=pos.y+i,z=z},{name=leaves})
 				if snow and x ~= 0 and z ~= 0 and perlin1:get2d({x=x,y=z}) > 0.53 then
 					try_node({x=x,y=pos.y+i+1,z=z},{name="snow:snow"})
 				end
@@ -38,10 +40,10 @@ function snow.make_pine(pos,snow)
 			local x = pos.x
 			local y = pos.y+i
 			local z = pos.z
-			try_node({x=x+1,y=y,z=z},{name="snow:needles"})
-			try_node({x=x-1,y=y,z=z},{name="snow:needles"})
-			try_node({x=x,y=y,z=z+1},{name="snow:needles"})
-			try_node({x=x,y=y,z=z-1},{name="snow:needles"})
+			try_node({x=x+1,y=y,z=z},{name=leaves})
+			try_node({x=x-1,y=y,z=z},{name=leaves})
+			try_node({x=x,y=y,z=z+1},{name=leaves})
+			try_node({x=x,y=y,z=z-1},{name=leaves})
 			if snow then
 				if perlin1:get2d({x=x+1,y=z}) > 0.53 then
 					try_node({x=x+1,y=y+1,z=z},{name="snow:snow"})
@@ -59,9 +61,11 @@ function snow.make_pine(pos,snow)
 		end
 		try_node({x=pos.x,y=pos.y+i,z=pos.z},{name="default:tree"})
 	end
-	try_node({x=pos.x,y=pos.y+5,z=pos.z},{name="snow:needles"})
-	try_node({x=pos.x,y=pos.y+6,z=pos.z},{name="snow:needles"})
-	if snow and  perlin1:get2d({x=pos.x,y=pos.z}) > 0.53 then
+	try_node({x=pos.x,y=pos.y+5,z=pos.z},{name=leaves})
+	try_node({x=pos.x,y=pos.y+6,z=pos.z},{name=leaves})
+	if xmas then
+		try_node({x=pos.x,y=pos.y+7,z=pos.z},{name="snow:star"})
+	elseif snow and perlin1:get2d({x=pos.x,y=pos.z}) > 0.53 then
 		try_node({x=pos.x,y=pos.y+7,z=pos.z},{name="snow:snow"})
 	end
 end