add christmas tree

crafting.lua

@@ -109,3 +109,12 @@ minetest.register_craft({
 	output = "default:bronze_ingot",
 	recipe = {"default:steel_ingot", "default:copper_ingot"},
 })
+
+minetest.register_craft({
+	output = "x_default:christmas_tree_sapling",
+	recipe = {
+		{"default:goldblock", "default:meselamp", "default:goldblock"},
+		{"wool:green", "default:pine_sapling", "wool:blue"},
+		{"wool:yellow", "default:pine_sapling", "wool:red"}
+	}
+})

init.lua

@@ -9,17 +9,18 @@ x_default.storage = minetest.get_mod_storage()
 -- Load files
 local default_path = minetest.get_modpath("x_default")
 
-dofile(default_path.."/mapgen.lua")
 dofile(default_path.."/functions.lua")
+dofile(default_path.."/trees.lua")
 dofile(default_path.."/nodes.lua")
+dofile(default_path.."/tools.lua")
 dofile(default_path.."/treasure_chest_list.lua")
 dofile(default_path.."/chests.lua")
-dofile(default_path.."/tools.lua")
-dofile(default_path.."/pvp.lua")
-dofile(default_path.."/item_drop.lua")
--- dofile(default_path.."/clean_unknown.lua")
 dofile(default_path.."/craftitems.lua")
 dofile(default_path.."/crafting.lua")
+dofile(default_path.."/pvp.lua")
+dofile(default_path.."/item_drop.lua")
 dofile(default_path.."/chatcommands.lua")
+dofile(default_path.."/mapgen.lua")
+-- dofile(default_path.."/clean_unknown.lua")
 
 x_default:sync_treasure_chests_storage()

nodes.lua

@@ -179,3 +179,89 @@ minetest.register_node("x_default:stone_with_lapis", {
 	drop = 'x_default:lapis_lump',
 	sounds = default.node_sound_stone_defaults(),
 })
+
+--
+-- Christmas Tree
+--
+
+minetest.register_node("x_default:christmas_tree_sapling", {
+	description = "Christmas Tree Sapling",
+	drawtype = "plantlike",
+	tiles = { "x_default_christmas_tree_sapling.png" },
+	inventory_image = "x_default_christmas_tree_sapling.png",
+	wield_image = "x_default_christmas_tree_sapling.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	on_timer = x_default.grow_sapling,
+	selection_box = {
+		type = "fixed",
+		fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, 7 / 16, 4 / 16}
+	},
+	groups = {snappy = 2, dig_immediate = 3, flammable = 3,
+		attached_node = 1, sapling = 1},
+	sounds = default.node_sound_leaves_defaults(),
+
+	on_construct = function(pos)
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
+	end,
+
+	on_place = function(itemstack, placer, pointed_thing)
+		itemstack = default.sapling_on_place(itemstack, placer, pointed_thing,
+			"x_default:christmas_tree_sapling",
+			-- minp, maxp to be checked, relative to sapling pos
+			-- minp_relative.y = 1 because sapling pos has been checked
+			{x = -2, y = 1, z = -2},
+			{x = 2, y = 14, z = 2},
+			-- maximum interval of interior volume check
+			4)
+
+		return itemstack
+	end,
+})
+
+-- Decorated Pine Leaves
+minetest.register_node("x_default:christmas_tree_needles", {
+	description ="Decorated Pine Needles",
+	drawtype = "allfaces_optional",
+	tiles = {
+		{
+			-- Animated, "blinking lights" version. ~ LazyJ
+			name = "x_default_pine_needles_decorated_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 20.0
+			},
+		}
+	},
+	waving = 0,
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},
+	sounds = default.node_sound_leaves_defaults(),
+	after_place_node = default.after_place_leaves,
+	light_source = 5,
+})
+
+-- Star
+minetest.register_node("x_default:christmas_tree_star", {
+	description ="Christmas Tree Star",
+	tiles = {"x_default_christmas_tree_star.png"},
+	inventory_image = "x_default_christmas_tree_star.png",
+	wield_image = "x_default_christmas_tree_star.png",
+	drawtype = "plantlike",
+	paramtype2 = 0,
+	paramtype = "light",
+	walkable = false,
+	groups = {cracky=1, crumbly=1, choppy=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1},
+	sounds = default.node_sound_glass_defaults(),
+	light_source = 5,
+})
+
+default.register_leafdecay({
+	trunks = {"default:pine_tree"},
+	leaves = {"x_default:christmas_tree_needles"},
+	radius = 2,
+})

trees.lua

@@ -0,0 +1,74 @@
+--
+-- Grow trees from saplings
+--
+
+-- 'can grow' function
+
+function x_default.can_grow(pos)
+	local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
+	if not node_under then
+		return false
+	end
+	local name_under = node_under.name
+	local is_soil = minetest.get_item_group(name_under, "soil")
+	if is_soil == 0 then
+		return false
+	end
+	local light_level = minetest.get_node_light(pos)
+	if not light_level or light_level < 13 then
+		return false
+	end
+	return true
+end
+
+-- 'is snow nearby' function
+
+local function is_snow_nearby(pos)
+	return minetest.find_node_near(pos, 1, {"group:snowy"})
+end
+
+-- Grow sapling
+
+function x_default.grow_sapling(pos)
+	if not default.can_grow(pos) then
+		-- try again 5 min later
+		minetest.get_node_timer(pos):start(300)
+		return
+	end
+
+	local node = minetest.get_node(pos)
+
+	if node.name == "x_default:christmas_tree_sapling" then
+		minetest.log("action", "A christmas tree sapling grows into a tree at "..minetest.pos_to_string(pos))
+		local snow = is_snow_nearby(pos)
+		if snow then
+			x_default.grow_snowy_christmas_tree(pos)
+		else
+			x_default.grow_christmas_tree(pos)
+		end
+	end
+end
+
+-- New pine tree
+
+function x_default.grow_christmas_tree(pos)
+	local path
+	if math.random() > 0.5 then
+		path = minetest.get_modpath("x_default").."/schematics/christmas_tree_from_sapling.mts"
+		minetest.place_schematic({x = pos.x - 2, y = pos.y, z = pos.z - 2}, path, "0", nil, false)
+	else
+		path = minetest.get_modpath("x_default").."/schematics/small_christmas_tree_from_sapling.mts"
+		minetest.place_schematic({x = pos.x - 1, y = pos.y, z = pos.z - 1}, path, "0", nil, false)
+	end
+end
+
+function x_default.grow_snowy_christmas_tree(pos)
+	local path
+	if math.random() > 0.5 then
+		path = minetest.get_modpath("x_default").."/schematics/snowy_christmas_tree_from_sapling.mts"
+		minetest.place_schematic({x = pos.x - 2, y = pos.y, z = pos.z - 2}, path, "0", nil, false)
+	else
+		path = minetest.get_modpath("x_default").."/schematics/snowy_small_christmas_tree_from_sapling.mts"
+		minetest.place_schematic({x = pos.x - 1, y = pos.y, z = pos.z - 1}, path, "0", nil, false)
+	end
+end