VoxeLibre/mods/ITEMS/mcl_core/nodes_trees.lua

-- Tree nodes: Wood, Wooden Planks, Sapling, Leaves

local register_tree_trunk = function(subname, description, longdesc, tiles, after_dig_node)
	minetest.register_node("mcl_core:"..subname, {
		description = description,
		_doc_items_longdesc = longdesc,
		_doc_items_hidden = false,
		tiles = tiles,
		paramtype2 = "facedir",
		on_place = mcl_util.rotate_axis,
		stack_max = 64,
		groups = {handy=1,axey=1, tree=1, flammable=2, building_block=1, material_wood=1},
		sounds = mcl_sounds.node_sound_wood_defaults(),
		_mcl_blast_resistance = 10,
		_mcl_hardness = 2,

		after_dig_node = after_dig_node,
	})
end

local register_wooden_planks = function(subname, description, tiles)
	minetest.register_node("mcl_core:"..subname, {
		description = description,
		_doc_items_longdesc = doc.sub.items.temp.build,
		_doc_items_hidden = false,
		tiles = tiles,
		stack_max = 64,
		is_ground_content = false,
		groups = {handy=1,axey=1, flammable=3,wood=1,building_block=1, material_wood=1},
		sounds = mcl_sounds.node_sound_wood_defaults(),
		_mcl_blast_resistance = 15,
		_mcl_hardness = 2,
	})
end

local register_leaves = function(subname, description, longdesc, tiles, drop1, drop1_rarity, drop2, drop2_rarity, leafdecay_distance)
	local drop
	if leafdecay_distance == nil then
		leafdecay_distance = 4
	end
	if drop2 then
		drop = {
			max_items = 1,
			items = {
				{
					items = {drop1},
					rarity = drop1_rarity,
				},
				{
					items = {drop2},
					rarity = drop2_rarity,
				},
			}
		 }
	else
		drop = {
			max_items = 1,
			items = {
				{
					items = {drop1},
					rarity = drop1_rarity,
				},
			}
		 }
	end

	minetest.register_node("mcl_core:"..subname, {
		description = description,
		_doc_items_longdesc = longdesc,
		_doc_items_hidden = false,
		drawtype = "allfaces_optional",
		waving = 2,
		place_param2 = 1, -- Prevent leafdecay for placed nodes
		tiles = tiles,
		paramtype = "light",
		stack_max = 64,
		groups = {handy=1,shearsy=1,swordy=1, leafdecay=leafdecay_distance, flammable=2, leaves=1, deco_block=1, dig_by_piston=1},
		drop = drop,
		_mcl_shears_drop = true,
		sounds = mcl_sounds.node_sound_leaves_defaults(),
		_mcl_blast_resistance = 1,
		_mcl_hardness = 0.2,
	})
end

local register_sapling = function(subname, description, longdesc, texture, selbox)
	minetest.register_node("mcl_core:"..subname, {
		description = description,
		_doc_items_longdesc = longdesc,
		_doc_items_hidden = false,
		drawtype = "plantlike",
		waving = 1,
		visual_scale = 1.0,
		tiles = {texture},
		inventory_image = texture,
		wield_image = texture,
		paramtype = "light",
		sunlight_propagates = true,
		walkable = false,
		selection_box = {
			type = "fixed",
			fixed = selbox
		},
		stack_max = 64,
		groups = {dig_immediate=3, plant=1,sapling=1,non_mycelium_plant=1,attached_node=1,dig_by_water=1,destroy_by_lava_flow=1,deco_block=1},
		sounds = mcl_sounds.node_sound_leaves_defaults(),
		on_construct = function(pos)
			local meta = minetest.get_meta(pos)
			meta:set_int("stage", 0)
		end,
		on_place = mcl_util.generate_on_place_plant_function(function(pos, node)
			local node_below = minetest.get_node_or_nil({x=pos.x,y=pos.y-1,z=pos.z})
			if not node_below then return false end
			local nn = node_below.name
			return (nn=="mcl_core:dirt_with_grass" or nn=="mcl_core:dirt_with_grass_snow" or
					nn=="mcl_core:podzol" or nn=="mcl_core:podzol_snow" or
					nn=="mcl_core:dirt")
		end),
		node_placement_prediction = "",
		_mcl_blast_resistance = 0,
		_mcl_hardness = 0,
	})
end

---------------------

-- This is a bad bad workaround which is only done because cocoas are not wallmounted (but should)
-- As long cocoas only EVER stick to jungle trees, and nothing else, this is probably a lesser sin.
local jungle_tree_after_dig_node = function(pos, oldnode, oldmetadata, digger)
	-- Drop attached cocoas
	local posses = {
		{ x = pos.x + 1, y = pos.y, z = pos.z },
		{ x = pos.x - 1, y = pos.y, z = pos.z },
		{ x = pos.x, y = pos.y, z = pos.z + 1 },
		{ x = pos.x, y = pos.y, z = pos.z - 1 },
	}
	for p=1, #posses do
		local node = minetest.get_node(posses[p])
		local g = minetest.get_item_group(node.name, "cocoa")
		if g and g >= 1 then
			minetest.remove_node(posses[p])
			local drops = minetest.get_node_drops(node.name, "")
			for d=1, #drops do
				minetest.add_item(posses[p], drops[d])
			end
		end
	end
end

register_tree_trunk("tree", "Oak Wood", "The trunk of an oak tree.", {"default_tree_top.png", "default_tree_top.png", "default_tree.png"})
register_tree_trunk("darktree", "Dark Oak Wood", "The trunk of a dark oak tree.", {"mcl_core_log_big_oak_top.png", "mcl_core_log_big_oak_top.png", "mcl_core_log_big_oak.png"})
register_tree_trunk("acaciatree", "Acacia Wood", "The trunk of an acacia.", {"default_acacia_tree_top.png", "default_acacia_tree_top.png", "default_acacia_tree.png"})
register_tree_trunk("darktree", "Dark Oak Wood", "The trunk of a dark oak tree.", {"mcl_core_log_big_oak_top.png", "mcl_core_log_big_oak_top.png", "mcl_core_log_big_oak.png"})
register_tree_trunk("sprucetree", "Spruce Wood", "The trunk of a spruce tree.", {"mcl_core_log_spruce_top.png", "mcl_core_log_spruce_top.png", "mcl_core_log_spruce.png"})
register_tree_trunk("birchtree", "Birch Wood", "The trunk of a birch tree.", {"mcl_core_log_birch_top.png", "mcl_core_log_birch_top.png", "mcl_core_log_birch.png"})

register_tree_trunk("jungletree", "Jungle Wood", "The trunk of a jungle tree.", {"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"}, jungle_tree_after_dig_node)


register_wooden_planks("wood", "Oak Wood Planks", {"default_wood.png"})
register_wooden_planks("darkwood", "Dark Oak Wood Planks", {"mcl_core_planks_big_oak.png"})
register_wooden_planks("junglewood", "Jungle Wood Planks", {"default_junglewood.png"})
register_wooden_planks("sprucewood", "Spruce Wood Planks", {"mcl_core_planks_spruce.png"})
register_wooden_planks("acaciawood", "Acacia Wood Planks", {"default_acacia_wood.png"})
register_wooden_planks("birchwood", "Birch Wood Planks", {"mcl_core_planks_birch.png"})


register_sapling("sapling", "Oak Sapling", "When placed on soil (such as dirt) and exposed to light, an oak sapling will grow into an oak after some time.", "default_sapling.png", {-6/16, -0.5, -6/16, 6/16, 0.5, 6/16})
register_sapling("darksapling", "Dark Oak Sapling", "Dark oak saplings can grow into dark oaks, but only in groups. A lonely dark oak sapling won't grow. A group of four dark oak saplings grows into a dark oak after some time when they are placed on soil (such as dirt) in a 2×2 square and exposed to light.", "mcl_core_sapling_big_oak.png", {-5.5/16, -0.5, -5.5/16, 5.5/16, 0.5, 5.5/16})
register_sapling("junglesapling", "Jungle Sapling", "When placed on soil (such as dirt) and exposed to light, a jungle sapling will grow into a jungle tree after some time. When there are 4 jungle saplings in a 2×2 square, they will grow to a huge jungle tree.", "default_junglesapling.png", {-4/16, -0.5, -4/16, 4/16, 0.5, 4/16})
register_sapling("acaciasapling", "Acacia Sapling", "When placed on soil (such as dirt) and exposed to light, an acacia sapling will grow into an acacia after some time.", "default_acacia_sapling.png", {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3})
register_sapling("sprucesapling", "Spruce Sapling", "When placed on soil (such as dirt) and exposed to light, a spruce sapling will grow into a spruce after some time. When there are 4 spruce saplings in a 2×2 square, they will grow to a huge spruce.", "mcl_core_sapling_spruce.png", {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3})
register_sapling("birchsapling", "Birch Sapling", "When placed on soil (such as dirt) and exposed to light, a birch sapling will grow into a birch after some time.", "mcl_core_sapling_birch.png", {-6/16, -0.5, -6/16, 6/16, 0.5, 6/16})


register_leaves("leaves", "Oak Leaves", "Oak leaves are grown from oak trees.", {"default_leaves.png"}, "mcl_core:sapling", 20, "mcl_core:apple", 200)
register_leaves("darkleaves", "Dark Oak Leaves", "Dark oak leaves are grown from dark oak trees.", {"mcl_core_leaves_big_oak.png"}, "mcl_core:darksapling", 20, "mcl_core:apple", 200)
register_leaves("jungleleaves", "Jungle Leaves", "Jungle leaves are grown from jungle trees.", {"default_jungleleaves.png"}, "mcl_core:junglesapling", 40)
register_leaves("acacialeaves", "Acacia Leaves", "Acacia leaves are grown from acacia trees.", {"default_acacia_leaves.png"}, "mcl_core:acaciasapling", 20)
register_leaves("spruceleaves", "Spruce Leaves", "Spruce leaves are grown from spruce trees.", {"mcl_core_leaves_spruce.png"}, "mcl_core:sprucesapling", 20)
register_leaves("birchleaves", "Birch Leaves", "Birch leaves are grown from birch trees.", {"mcl_core_leaves_birch.png"}, "mcl_core:birchsapling", 20)


-- Node aliases

minetest.register_alias("default:acacia_tree", "mcl_core:acaciatree")
minetest.register_alias("default:acacia_leaves", "mcl_core:acacialeaves")