1 files changed, 148 insertions, 0 deletions
diff --git a/potato.lua b/potato.lua
new file mode 100644
index 0000000..a652075
--- /dev/null
+++ b/potato.lua
@@ -0,0 +1,148 @@
+
+--[[
+
+Copyright (C) 2015 - Auke Kok <sofar@foo-projects.org>
+
+"crops" is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1
+of the license, or (at your option) any later version.
+
+--]]
+
+local interval = crops_interval
+local chance = crops_chance
+
+minetest.register_node("crops:potato_eyes", {
+	description = "potato eyes",
+	inventory_image = "crops_potato_eyes.png",
+	wield_image = "crops_potato_eyes.png",
+	tiles = { "crops_potato_plant_1.png" },
+	drawtype = "plantlike",
+	sunlight_propagates = false,
+	use_texture_alpha = true,
+	walkable = false,
+	paramtype = "light",
+	groups = { snappy=3,flammable=3,flora=1,attached_node=1 },
+
+	on_place = function(itemstack, placer, pointed_thing)
+		local under = minetest.get_node(pointed_thing.under)
+		if minetest.get_item_group(under.name, "soil") <= 1 then
+			return
+		end
+		minetest.set_node(pointed_thing.above, {name="crops:potato_plant_1"})
+		if not minetest.setting_getbool("creative_mode") then
+			itemstack:take_item()
+		end
+		return itemstack
+	end
+})
+
+for stage = 1, 4 do
+minetest.register_node("crops:potato_plant_" .. stage , {
+	description = "potato plant",
+	tiles = { "crops_potato_plant_" .. stage .. ".png" },
+	drawtype = "plantlike",
+	sunlight_propagates = true,
+	use_texture_alpha = true,
+	walkable = false,
+	paramtype = "light",
+	groups = { snappy=3, flammable=3, flora=1, attached_node=1, not_in_creative_inventory=1 },
+	drop = {},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5,  0.5, -0.5 + (((math.min(stage, 4)) + 1) / 5), 0.5}
+	}
+})
+end
+
+minetest.register_craftitem("crops:potato", {
+	description = "potato",
+	inventory_image = "crops_potato.png",
+	on_use = minetest.item_eat(1)
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "crops:potato_eyes",
+	recipe = { "crops:potato" }
+})
+
+--
+-- the potatoes "block"
+--
+minetest.register_node("crops:soil_with_potatoes", {
+	description = "Soil with potatoes",
+	tiles = { "default_dirt.png^crops_potato_soil.png", "default_dirt.png" },
+	sunlight_propagates = false,
+	use_texture_alpha = false,
+	walkable = true,
+	groups = { snappy=3, flammable=3, oddly_breakable_by_hand=2, soil=1 },
+	paramtype2 = "facedir",
+	drop = {max_items = 5, items = {
+		{ items = {'crops:potato'}, rarity = 1 },
+		{ items = {'crops:potato'}, rarity = 1 },
+		{ items = {'crops:potato'}, rarity = 1 },
+		{ items = {'crops:potato'}, rarity = 2 },
+		{ items = {'crops:potato'}, rarity = 5 },
+	}},
+	sounds = default.node_sound_dirt_defaults(),
+	on_dig = function(pos, node, digger)
+		local drops = {}
+		for i = 1, math.random(3, 5) do
+			table.insert(drops, "crops:potato")
+		end
+		core.handle_node_drops(pos, drops, digger)
+		minetest.set_node(pos, { name = "farming:soil" })
+		local above = { x = pos.x, y = pos.y + 1, z = pos.z }
+		if minetest.get_node(above).name == "crops:potato_plant_4" then
+			minetest.set_node(above, { name = "air" })
+		end
+	end
+})
+
+--
+-- grows a plant to mature size
+--
+minetest.register_abm({
+	nodenames = { "crops:potato_plant_1", "crops:potato_plant_2", "crops:potato_plant_3" },
+	neighbors = { "group:soil" },
+	interval = interval,
+	chance = chance,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		local below = { x = pos.x, y = pos.y - 1, z = pos.z }
+		if not minetest.registered_nodes[minetest.get_node(below).name].groups.soil then
+			return
+		end
+		if minetest.get_node_light(pos, nil) < 13 then
+			return
+		end
+		local n = string.gsub(node.name, "3", "4")
+		n = string.gsub(n, "2", "3")
+		n = string.gsub(n, "1", "2")
+		minetest.set_node(pos, { name = n })
+	end
+})
+
+--
+-- grows the final potatoes in the soil beneath
+--
+minetest.register_abm({
+	nodenames = { "crops:potato_plant_4" },
+	neighbors = { "group:soil" },
+	interval = interval,
+	chance = chance,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		if minetest.get_node_light(pos, nil) < 13 then
+			return
+		end
+		local below = { x = pos.x, y = pos.y - 1, z = pos.z }
+		if not minetest.registered_nodes[minetest.get_node(below).name].groups.soil then
+			return
+		end
+		local below = { x = pos.x, y = pos.y - 1, z = pos.z}
+		minetest.set_node(below, { name = "crops:soil_with_potatoes" })
+	end
+})
+