mods that hopefully work for a TechAge-based pack

mods/farming/crops/cotton.lua

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+
+local S = core.get_translator("farming")
+
+-- seed
+
+core.register_node("farming:seed_cotton", {
+	description = S("Cotton Seed"),
+	tiles = {"farming_cotton_seed.png"},
+	inventory_image = "farming_cotton_seed.png",
+	wield_image = "farming_cotton_seed.png",
+	drawtype = "signlike",
+	groups = {
+		compostability = 48, seed = 1, snappy = 3, attached_node = 1,
+		flammable = 4, growing = 1
+	},
+	_mcl_hardness = farming.mcl_hardness,
+	is_ground_content = false,
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	walkable = false,
+	sunlight_propagates = true,
+	selection_box = farming.select,
+	next_plant = "farming:cotton_1",
+
+	on_place = function(itemstack, placer, pointed_thing)
+		return farming.place_seed(itemstack, placer, pointed_thing, "farming:seed_cotton")
+	end,
+
+	on_timer = function(pos, elapsed)
+		core.set_node(pos, {name = "farming:cotton_1", param2 = 1})
+	end
+})
+
+-- item
+
+core.register_craftitem("farming:cotton", {
+	description = S("Cotton"),
+	inventory_image = "farming_cotton.png",
+	groups = {flammable = 4, compostability = 50}
+})
+
+-- crop definition
+
+local def = {
+	description = S("Cotton") .. S(" Crop"),
+	drawtype = "plantlike",
+	tiles = {"farming_cotton_1.png"},
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	drop =  "",
+	waving = 1,
+	selection_box = farming.select,
+	groups = {
+		handy = 1, snappy = 3, flammable = 4, plant = 1, attached_node = 1,
+		not_in_creative_inventory = 1, growing = 1
+	},
+	_mcl_hardness = farming.mcl_hardness,
+	is_ground_content = false,
+	sounds = farming.node_sound_leaves_defaults()
+}
+
+-- stage 1
+
+core.register_node("farming:cotton_1", table.copy(def))
+
+-- stage 2
+
+def.tiles = {"farming_cotton_2.png"}
+core.register_node("farming:cotton_2", table.copy(def))
+
+-- stage 3
+
+def.tiles = {"farming_cotton_3.png"}
+core.register_node("farming:cotton_3", table.copy(def))
+
+-- stage 4
+
+def.tiles = {"farming_cotton_4.png"}
+core.register_node("farming:cotton_4", table.copy(def))
+
+-- stage 5
+
+def.tiles = {"farming_cotton_5.png"}
+def.drop = {
+	items = {
+		{items = {"farming:seed_cotton"}, rarity = 1}
+	}
+}
+core.register_node("farming:cotton_5", table.copy(def))
+
+-- stage 6
+
+def.tiles = {"farming_cotton_6.png"}
+core.register_node("farming:cotton_6", table.copy(def))
+
+-- stage 7
+
+def.tiles = {"farming_cotton_7.png"}
+def.drop = {
+	items = {
+		{items = {"farming:cotton"}, rarity = 2},
+		{items = {"farming:seed_cotton"}, rarity = 1}
+	}
+}
+core.register_node("farming:cotton_7", table.copy(def))
+
+-- stage 8 (final)
+
+def.tiles = {"farming_cotton_8.png"}
+def.groups.growing = nil
+def.selection_box = farming.select_final
+def.drop = {
+	items = {
+		{items = {"farming:cotton"}, rarity = 1},
+		{items = {"farming:cotton"}, rarity = 2},
+		{items = {"farming:cotton"}, rarity = 3},
+		{items = {"farming:seed_cotton"}, rarity = 1},
+		{items = {"farming:seed_cotton"}, rarity = 2},
+		{items = {"farming:seed_cotton"}, rarity = 3}
+	}
+}
+core.register_node("farming:cotton_8", table.copy(def))
+
+-- add to registered_plants
+
+farming.registered_plants["farming:cotton"] = {
+	crop = "farming:cotton",
+	seed = "farming:seed_cotton",
+	minlight = farming.min_light,
+	maxlight = farming.max_light,
+	steps = 8
+}
+
+-- wild cotton (this is what you find on the map)
+
+core.register_node("farming:cotton_wild", {
+	description = S("Wild Cotton"),
+	drawtype = "plantlike",
+	waving = 1,
+	tiles = {"farming_cotton_wild.png"},
+	inventory_image = "farming_cotton_wild.png",
+	wield_image = "farming_cotton_wild.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	groups = {handy = 1, snappy = 3, attached_node = 1, flammable = 4, compostability = 60},
+	_mcl_hardness = farming.mcl_hardness,
+	is_ground_content = false,
+	drop = {
+		items = {
+			{items = {"farming:cotton"}, rarity = 2},
+			{items = {"farming:seed_cotton"}, rarity = 1}
+		}
+	},
+	sounds = farming.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-6 / 16, -8 / 16, -6 / 16, 6 / 16, 5 / 16, 6 / 16}
+	}
+})
+
+-- mapgen
+
+local spawn_on = {
+	"default:dry_dirt_with_dry_grass", "default:dirt_with_dry_grass",
+	"mcl_core:dirt_with_grass"
+}
+
+if farming.mapgen == "v6" then
+	spawn_on = {"default:dirt_with_grass"}
+end
+
+core.register_decoration({
+	name = "farming:cotton_wild",
+	deco_type = "simple",
+	place_on = spawn_on,
+	sidelen = 16,
+	noise_params = {
+		offset = 0,
+		scale = farming.cotton,
+		spread = {x = 100, y = 100, z = 100},
+		seed = 4242,
+		octaves = 3,
+		persist = 0.6
+	},
+	y_min = 1, y_max = 120,
+	decoration = "farming:cotton_wild"
+})
+
+--[[ Cotton using api
+farming.register_plant("farming:cotton", {
+	description = "Cotton seed",
+	inventory_image = "farming_cotton_seed.png",
+	groups = {flammable = 2},
+	steps = 8,
+})]]