DigWorks/mods/ITEMS/mcl_farming/melon.lua

-- Seeds
minetest.register_craftitem("mcl_farming:melon_seeds", {
	description = "Melon Seeds",
	_doc_items_longdesc = "Grows into a melon. Chickens like melon seeds.",
	_doc_items_usagehelp = "Place the melon seeds on farmland (which can be created with a hoe) to plant a melon stem. Melons grow in sunlight and grow faster on hydrated farmland. Rightclick an animal to feed it melon seeds.",
	stack_max = 64,
	groups = { craftitem=1 },
	inventory_image = "farming_melon_seed.png",
	on_place = function(itemstack, placer, pointed_thing)
		return mcl_farming:place_seed(itemstack, placer, pointed_thing, "mcl_farming:melontige_1")
	end,
})

-- Melon template (will be fed into mcl_farming.register_gourd

local melon_base_def = {
	description = "Melon",
	_doc_items_longdesc = "A melon is a block which has been grown from melon seeds. It has reached its full size and can be harvested for melon slices.",
	stack_max = 64,
	tiles = {"farming_melon_top.png", "farming_melon_top.png", "farming_melon_side.png", "farming_melon_side.png", "farming_melon_side.png", "farming_melon_side.png"},
	groups = {handy=1,axey=1, building_block=1},
	drop = {
		max_items = 1,
		items = {
			{ items = {'mcl_farming:melon_item 7'}, rarity = 14 },
			{ items = {'mcl_farming:melon_item 6'}, rarity = 10 },
			{ items = {'mcl_farming:melon_item 5'}, rarity = 5 },
			{ items = {'mcl_farming:melon_item 4'}, rarity = 2 },
			{ items = {'mcl_farming:melon_item 3'} },
		}
	},
	sounds = mcl_sounds.node_sound_wood_defaults(),
	_mcl_blast_resistance = 5,
	_mcl_hardness = 1,
}

-- Drop proabilities for melon stem
local stemdrop = {
	max_items = 1,
	-- FIXME: The probabilities are slightly off from the original.
	-- Update this drop list when the Minetest drop probability system
	-- is more powerful.
	items = {
		-- 1 seed: Approximation to 20/125 chance
		-- 20/125 = 0.16
		-- Approximation: 1/6 = ca. 0.166666666666667
		{ items = {"mcl_farming:melon_seeds 1"}, rarity = 6 },

		-- 2 seeds: Approximation to 4/125 chance
		-- 4/125 = 0.032
		-- Approximation: 1/31 = ca. 0.032258064516129
		{ items = {"mcl_farming:melon_seeds 2"}, rarity = 31 },

		-- 3 seeds: 1/125 chance
		{ items = {"mcl_farming:melon_seeds 3"}, rarity = 125 },
	},
}

-- Growing unconnected stems
minetest.register_node("mcl_farming:melontige_1", {
	description = "Melon Stem (1)",
	_doc_items_entry_name = "Melon Stem",
	paramtype = "light",
	walkable = false,
	drawtype = "plantlike",
	sunlight_propagates = true,
	drop = stemdrop,
	tiles = {"farming_tige_1.png"},
	selection_box = {
		type = "fixed",
		fixed = {
			{-0.5, -0.5, -0.5, 0.5, -0.5+6/16, 0.5}
		},
	},
	groups = {dig_immediate=3, not_in_creative_inventory=1 ,dig_by_water=1},
	sounds = mcl_sounds.node_sound_leaves_defaults(),
	_mcl_blast_resistance = 0,
})

minetest.register_node("mcl_farming:melontige_2", {
	description = "Melon Stem (2)",
	_doc_items_create_entry = false,
	paramtype = "light",
	walkable = false,
	drawtype = "plantlike",
	sunlight_propagates = true,
	drop = stemdrop,
	tiles = {"farming_tige_2.png"},
	selection_box = {
		type = "fixed",
		fixed = {
			{-0.5, -0.5, -0.5, 0.5, -0.5+9/16, 0.5}
		},
	},
	groups = {dig_immediate=3, not_in_creative_inventory=1 ,dig_by_water=1},
	sounds = mcl_sounds.node_sound_leaves_defaults(),
	_mcl_blast_resistance = 0,
})

-- Full melon stem, able to spawn melons
minetest.register_node("mcl_farming:melontige_unconnect", {
	description = "Mature Melon Stem",
	_doc_items_create_entry = false,
	paramtype = "light",
	walkable = false,
	sunlight_propagates = true,
	drop = stemdrop,
	drawtype = "plantlike",
	tiles = {"farming_tige_end.png"},
	groups = {dig_immediate=3, not_in_creative_inventory=1 ,dig_by_water=1},
	sounds = mcl_sounds.node_sound_leaves_defaults(),
	_mcl_blast_resistance = 0,
})

-- Register stem growth
mcl_farming:add_plant("mcl_farming:melontige_unconnect", {"mcl_farming:melontige_1", "mcl_farming:melontige_2"}, 50, 20)

-- Register actual melon, connected stems and stem-to-melon growth
mcl_farming:add_gourd("mcl_farming:melontige_unconnect", "mcl_farming:melontige_linked", stemdrop, "mcl_farming:melon", melon_base_def, 25, 15)

-- Items and crafting
minetest.register_craftitem("mcl_farming:melon_item", {
	-- Original name: “Melon”
	description = "Melon Slice",
	stack_max = 64,
	inventory_image = "farming_melon.png",
	on_place = minetest.item_eat(2),
	on_secondary_use = minetest.item_eat(2),
	groups = { food = 2, eatable = 2 },
})

minetest.register_craft({
	output = "mcl_farming:melon_seeds",
	recipe = {{"mcl_farming:melon_item"}}
})

minetest.register_craft({
	output = 'mcl_farming:melon',
	recipe = {
		{'mcl_farming:melon_item', 'mcl_farming:melon_item', 'mcl_farming:melon_item'},
		{'mcl_farming:melon_item', 'mcl_farming:melon_item', 'mcl_farming:melon_item'},
		{'mcl_farming:melon_item', 'mcl_farming:melon_item', 'mcl_farming:melon_item'},
	}
})