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

@@ -0,0 +1,81 @@
+-- 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', '' },
+    },
+})