cool_trees/sequoia/init.lua

--
-- Sequoia
--

local modname = "sequoia"
local modpath = minetest.get_modpath(modname)
local mg_name = minetest.get_mapgen_setting("mg_name")

-- internationalization boilerplate
local S = minetest.get_translator(minetest.get_current_modname())

--Sequoia Grow Function

local function grow_new_sequoia(pos)
	if not default.can_grow(pos) then
		-- try a bit later again
		minetest.get_node_timer(pos):start(math.random(240, 600))
		return
	end
	minetest.remove_node(pos)
	minetest.place_schematic({x = pos.x-7, y = pos.y-4, z = pos.z-7}, modpath.."/schematics/sequoia_03.mts", "0", nil, true)
end

--
-- Decoration
--

if mg_name ~= "v6" and mg_name ~= "singlenode" then

	local name, place_on, biomes, offset, scale, schematic, place_offset_y, seed

	if minetest.get_modpath("redw") then
		place_on = {"redw:dirt", "redw:dirt_with_grass"}
		biomes = "redwood_forest"
	else
		place_on = "default:dirt_with_grass"
		biomes = "grassland"
	end

	for i = 1, 3 do
		if i == 1 then
			name = "sequoia:sequoia_small"
			schematic = "sequoia_01"
			offset = 0.008
			scale = 0.0004
			seed = 67
			place_offset_y = -1
		elseif i == 2 then
			name = "sequoia:sequoia_medium"
			schematic = "sequoia_02"
			offset = 0.008
			scale = 0.0004
			seed = 345
			place_offset_y = -1
		else
			name = "sequoia:sequoia_giant"
			schematic = "sequoia_03"
			offset = 0.0008
			scale = 0.00004
			seed = 23
			place_offset_y = -2
		end
		minetest.register_decoration({
			name = name,
			deco_type = "schematic",
			place_on = place_on,
			sidelen = 16,
			noise_params = {
				offset = offset,
				scale = scale,
				spread = {x = 250, y = 250, z = 250},
				seed = seed,
				octaves = 3,
				persist = 0.66
			},
			biomes = {biomes},
			y_min = 1,
			y_max = 80,
			schematic = modpath .. "/schematics/" .. schematic .. ".mts",
			flags = "place_center_x, place_center_z, force_placement",
			rotation = "random",
			place_offset_y = place_offset_y,
		})
	end
end

--
-- Nodes
--

minetest.register_node("sequoia:sapling", {
	description = S("Sequoia Sapling"),
	drawtype = "plantlike",
	tiles = {"sequoia_sapling.png"},
	inventory_image = "sequoia_sapling.png",
	wield_image = "sequoia_sapling.png",
	paramtype = "light",
	sunlight_propagates = true,
	walkable = false,
	on_timer = grow_new_sequoia,
	selection_box = {
		type = "fixed",
		fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, 7 / 16, 4 / 16}
	},
	groups = {snappy = 2, dig_immediate = 3, flammable = 2,
		attached_node = 1, sapling = 1},
	sounds = default.node_sound_leaves_defaults(),

	on_construct = function(pos)
		minetest.get_node_timer(pos):start(math.random(2400, 4800))
	end,

	on_place = function(itemstack, placer, pointed_thing)
		itemstack = default.sapling_on_place(itemstack, placer, pointed_thing,
			"sequoia: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 = 6, z = 2},
			-- maximum interval of interior volume check
			4)

		return itemstack
	end,
})

minetest.register_node("sequoia:trunk", {
	description = S("Sequoia Trunk"),
	tiles = {
		"sequoia_trunk_top.png",
		"sequoia_trunk_top.png",
		"sequoia_trunk.png"
	},
	groups = {tree = 1, choppy = 2, oddly_breakable_by_hand = 1, flammable = 2},
	sounds = default.node_sound_wood_defaults(),
	paramtype2 = "facedir",
	on_place = minetest.rotate_node,
})

-- Sequoia wood
minetest.register_node("sequoia:wood", {
	description = S("Sequoia Wood"),
	tiles = {"sequoia_wood.png"},
	is_ground_content = false,
	groups = {wood = 1, choppy = 2, oddly_breakable_by_hand = 1, flammable = 3},
	sounds = default.node_sound_wood_defaults(),
})

-- Sequoia leaves
minetest.register_node("sequoia:leaves", {
	description = S("Sequoia Leaves"),
	drawtype = "allfaces_optional",
	tiles = {"sequoia_leaves.png"},
	paramtype = "light",
	walkable = true,
	waving = 1,
	groups = {snappy = 3, leafdecay = 3, leaves = 1, flammable = 2},
	drop = {
		max_items = 1,
		items = {
			{items = {"sequoia:sapling"}, rarity = 20},
			{items = {"sequoia:leaves"}}
		}
	},
	sounds = default.node_sound_leaves_defaults(),
	after_place_node = default.after_place_leaves,
})

--
-- Craftitems
--

--
-- Recipes
--

minetest.register_craft({
	output = "sequoia:wood 4",
	recipe = {{"sequoia:trunk"}}
})

minetest.register_craft({
	type = "fuel",
	recipe = "sequoia:trunk",
	burntime = 30,
})

minetest.register_craft({
	type = "fuel",
	recipe = "sequoia:wood",
	burntime = 7,
})

default.register_leafdecay({
	trunks = {"sequoia:trunk"},
	leaves = {"sequoia:leaves"},
	radius = 3,
})

-- Fence
if minetest.settings:get_bool("cool_fences", true) then
	local fence = {
		description = S("Sequoia Wood Fence"),
		texture =  "sequoia_wood.png",
		material = "sequoia:wood",
		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
		sounds = default.node_sound_wood_defaults(),
	}
	default.register_fence("sequoia:fence", table.copy(fence))
	fence.description = S("Sequoia Fence Rail")
	default.register_fence_rail("sequoia:fence_rail", table.copy(fence))

end

--Stairs

if minetest.get_modpath("stairs") ~= nil then
	stairs.register_stair_and_slab(
		"sequoia_trunk",
		"sequoia:trunk",
		{choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
		{"sequoia_wood.png"},
		S("Sequoia Tree Stair"),
		S("Sequoia Tree Slab"),
		default.node_sound_wood_defaults()
	)
end

-- stairsplus/moreblocks
if minetest.get_modpath("moreblocks") then
	stairsplus:register_all("sequoia", "wood", "sequoia:wood", {
		description = "Sequoia",
		tiles = {"sequoia_wood.png"},
		groups = {choppy = 2, oddly_breakable_by_hand = 1, flammable = 3},
		sounds = default.node_sound_wood_defaults(),
	})
end

if minetest.get_modpath("bonemeal") ~= nil then
	bonemeal:add_sapling({
		{"sequoia:sapling", grow_new_sequoia, "soil"},
	})
end