Imported the classic bushes into Plantlife, updated it to the current

plants_lib API (in the process, added some reasonable biome controls),
made it able to grow on Undergrowth modpack's dirt/grass with leaves
nodes.

bushes_classic/cooking.lua

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+-- Basket
+minetest.register_node(":bushes:basket_empty", {
+    description = "Basket",
+    tiles = {
+	"bushes_basket_empty_top.png",
+	"bushes_basket_bottom.png",
+	"bushes_basket_side.png"
+    },
+    groups = { dig_immediate = 3 },
+})
+
+minetest.register_craft({
+    output = ':bushes:basket_empty',
+    recipe = {
+	{ 'default:stick', 'default:stick', 'default:stick' },
+	{ '', 'default:stick', '' },
+    },
+})
+
+-- Sugar
+minetest.register_craftitem(":bushes:sugar", {
+    description = "Sugar",
+    inventory_image = "bushes_sugar.png",
+    on_use = minetest.item_eat(1),
+})
+
+minetest.register_craft({
+    output = 'bushes:sugar 1',
+    recipe = {
+	{ 'default:papyrus', 'default:papyrus' },
+    },
+})
+
+-- Raw pie
+minetest.register_craftitem(":bushes:berry_pie_raw", {
+    description = "Raw berry pie",
+    inventory_image = "bushes_berry_pie_raw.png",
+    on_use = minetest.item_eat(3),
+})
+
+minetest.register_craft({
+    output = 'bushes:berry_pie_raw 1',
+    recipe = {
+	{ 'bushes:sugar', 'default:junglegrass', 'bushes:sugar' },
+	{ 'bushes:strawberry', 'bushes:strawberry', 'bushes:strawberry' },
+    },
+})
+
+-- Cooked pie
+minetest.register_craftitem(":bushes:berry_pie_cooked", {
+    description = "Cooked berry pie",
+    inventory_image = "bushes_berry_pie_cooked.png",
+    on_use = minetest.item_eat(4),
+})
+
+minetest.register_craft({
+    type = 'cooking',
+    output = 'bushes:berry_pie_cooked',
+    recipe = 'bushes:berry_pie_raw',
+    cooktime = 30,
+})
+
+-- Basket with pies
+minetest.register_node(":bushes:basket_pies", {
+    description = "Basket with pies",
+    tiles = {
+	"bushes_basket_full_top.png",
+	"bushes_basket_bottom.png",
+	"bushes_basket_side.png"
+    },
+    on_use = minetest.item_eat(15),
+    groups = { dig_immediate = 3 },
+})
+
+minetest.register_craft({
+    output = 'bushes:basket_pies 1',
+    recipe = {
+	{ 'bushes:berry_pie_cooked', 'bushes:berry_pie_cooked', 'bushes:berry_pie_cooked' },
+	{ '', 'bushes:basket_empty', '' },
+    },
+})

bushes_classic/depends.txt

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+default
+plants_lib

bushes_classic/init.lua

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+local BUSHES = {
+    "strawberry",
+}
+
+local BUSHES_DESCRIPTIONS = {
+    "Strawberry",
+}
+
+local spawn_list = {}
+
+for i, bush_name in ipairs(BUSHES) do
+	minetest.register_node(":bushes:" .. bush_name .. "_bush", {
+		description = BUSHES_DESCRIPTIONS[i] .. " bush",
+		drawtype = "plantlike",
+		visual_scale = 1.3,
+		tiles = { "bushes_" .. bush_name .. "_bush.png" },
+		inventory_image = "bushes_" .. bush_name .. "_bush.png",
+		paramtype = "light",
+		sunlight_propagates = true,
+		walkable = false,
+		drop = 'bushes:' .. bush_name .. ' 4',
+		groups = { snappy = 3, bush = 1, flammable = 2},
+		sounds = default.node_sound_leaves_defaults(),
+	})
+
+	minetest.register_craftitem(":bushes:" .. bush_name, {
+		description = BUSHES_DESCRIPTIONS[i],
+		inventory_image = "bushes_" .. bush_name .. ".png",
+		stack_max = 99,
+		on_use = minetest.item_eat(1),
+	})
+
+	minetest.register_craft({
+		output = 'bushes:' .. bush_name .. '_bush',
+		recipe = {
+			{ 'bushes:' .. bush_name, 'bushes:' .. bush_name, 'bushes:' .. bush_name },
+			{ 'bushes:' .. bush_name, 'bushes:' .. bush_name, 'bushes:' .. bush_name },
+		}
+	})
+
+	table.insert(spawn_list, "bushes:"..bush_name.."_bush")
+end
+
+plantslib:spawn_on_surfaces({
+	spawn_delay = 3600,
+	spawn_plants = spawn_list,
+	avoid_radius = 10,
+	spawn_chance = 100,
+	spawn_surfaces = {
+		"default:dirt_with_grass",
+		"woodsoils:dirt_with_leaves_1",
+		"woodsoils:grass_with_leaves_1",
+		"woodsoils:grass_with_leaves_2"
+	},
+	avoid_nodes = {"group:bush"},
+	seed_diff = 545342534, -- guaranteed to be random :P
+	plantlife_limit = -0.1,
+	light_min = 10,
+	temp_min = 0.15, -- approx 20C
+	temp_max = -0.15, -- approx 35C
+	humidity_min = 0, -- 50% RH
+	humidity_max = -1, -- 100% RH
+})
+
+dofile(minetest.get_modpath('bushes_classic') .. '/cooking.lua')
+
+print("[Bushes] Loaded.")