mff_game/mods/farming/cocoa.lua

local S = farming.intllib

-- place cocoa
function place_cocoa(itemstack, placer, pointed_thing, plantname)

	local pt = pointed_thing

	-- check if pointing at a node
	if not pt or pt.type ~= "node" then
		return
	end

	local under = minetest.get_node(pt.under)

	-- return if any of the nodes are not registered
	if not minetest.registered_nodes[under.name] then
		return
	end

	-- check if pointing at jungletree
	if under.name ~= "default:jungletree"
	or minetest.get_node(pt.above).name ~= "air" then
		return
	end

	-- add the node and remove 1 item from the itemstack
	minetest.set_node(pt.above, {name = plantname})

	minetest.sound_play("default_place_node", {pos = pt.above, gain = 1.0})

	if not minetest.setting_getbool("creative_mode") then

		itemstack:take_item()

		-- check for refill
		if itemstack:get_count() == 0 then

			minetest.after(0.20,
				farming.refill_plant,
				placer,
				"farming:cocoa_beans",
				placer:get_wield_index()
			)
		end
	end

	return itemstack
end

-- cocoa beans
minetest.register_craftitem("farming:cocoa_beans", {
	description = S("Cocoa Beans"),
	inventory_image = "farming_cocoa_beans.png",
	on_place = function(itemstack, placer, pointed_thing)
		return place_cocoa(itemstack, placer, pointed_thing, "farming:cocoa_1")
	end,
})

minetest.register_craft( {
	output = "dye:brown 2",
	recipe = {
		{ "farming:cocoa_beans" },
	}
})

-- chocolate cookie
minetest.register_craftitem("farming:cookie", {
	description = S("Cookie"),
	inventory_image = "farming_cookie.png",
	on_use = minetest.item_eat(2),
})

minetest.register_craft( {
	output = "farming:cookie 8",
	recipe = {
		{ "farming:wheat", "farming:cocoa_beans", "farming:wheat" },
	}
})

-- bar of dark chocolate (thanks to Ice Pandora for her deviantart.com chocolate tutorial)
minetest.register_craftitem("farming:chocolate_dark", {
	description = S("Bar of Dark Chocolate"),
	inventory_image = "farming_chocolate_dark.png",
	on_use = minetest.item_eat(2), --/MFF (Mg|05/26/2015)
})

minetest.register_craft( {
	output = "farming:chocolate_dark",
	recipe = {
		{ "farming:cocoa_beans", "farming:cocoa_beans", "farming:cocoa_beans" },
	}
})

-- cocoa definition
local crop_def = {
	drawtype = "plantlike",
	tiles = {"farming_cocoa_1.png"},
	paramtype = "light",
	walkable = true,
	drop = {
		items = {
			{items = {'farming:cocoa_beans 1'}, rarity = 2},
		}
	},
	selection_box = {
		type = "fixed",
		fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3}
	},
	groups = {
		snappy = 3, flammable = 2, plant = 1, growing = 1,
		not_in_creative_inventory=1, leafdecay = 1, leafdecay_drop = 1
	},
	sounds = default.node_sound_leaves_defaults()
}

-- stage 1
minetest.register_node("farming:cocoa_1", table.copy(crop_def))

-- stage2
crop_def.tiles = {"farming_cocoa_2.png"}
crop_def.drop = {
	items = {
		{items = {'farming:cocoa_beans 1'}, rarity = 1},
	}
}
minetest.register_node("farming:cocoa_2", table.copy(crop_def))

-- stage 3 (final)
crop_def.tiles = {"farming_cocoa_3.png"}
crop_def.groups.growing = 0
crop_def.drop = {
	items = {
		{items = {'farming:cocoa_beans 2'}, rarity = 1},
		{items = {'farming:cocoa_beans 1'}, rarity = 2},
	}
}
minetest.register_node("farming:cocoa_3", table.copy(crop_def))

-- add random cocoa pods to jungle tree trunks
minetest.register_abm({
	nodenames = {"default:jungletree"},
	neighbors = {"default:jungleleaves", "moretrees:jungletree_leaves_green"},
	interval = 8,
	chance = 80,
	catch_up = false,
	action = function(pos, node)

		local dir = math.random(1, 50)

		if dir == 1 then
			pos.x = pos.x + 1
		elseif dir == 2 then
			pos.x = pos.x - 1
		elseif dir == 3 then
			pos.z = pos.z + 1
		elseif dir == 4 then
			pos.z = pos.z -1
		else return
		end

		local nodename = minetest.get_node(pos).name

		if nodename == "air"
		and minetest.get_node_light(pos) > 12 then

		--print ("Cocoa Pod added at " .. minetest.pos_to_string(pos))

			minetest.set_node(pos, {
				name = "farming:cocoa_" .. tostring(math.random(1, 3))
			})
		end
	end,
})