plantlife_modpack/bushes_classic/nodes.lua

-- support for i18n
local S = minetest.get_translator("bushes_classic")

plantlife_bushes = {}

-- TODO: add support for nodebreakers? those dig like mese picks
plantlife_bushes.after_dig_node = function(pos, oldnode, oldmetadata, digger)
	if not (digger and pos and oldnode) then
		return
	end

	-- find out which bush type we are dealing with
	local bush_name   = ""
	local can_harvest = false

	if oldnode.name == "bushes:fruitless_bush" then
		-- this bush has not grown fruits yet (but will eventually)
		bush_name = oldmetadata.fields.bush_type
		-- no fruits to be found, so can_harvest stays false
	else
		local name_parts = oldnode.name:split(":")
		if #name_parts >= 2 and name_parts[2] ~= nil then

			name_parts = name_parts[2]:split("_")

			if #name_parts >= 2 and name_parts[1] ~= nil then
				bush_name = name_parts[1]
				-- this bush really carries fruits
				can_harvest = true
			end
		end
	end

	-- find out which tool the digger was wielding (if any)
	local toolstack = digger:get_wielded_item()
	local capabilities = toolstack:get_tool_capabilities()

	-- what the player will get
	local harvested

	-- failure to find out what the tool can do: destroy the bush and return nothing
	local groupcaps = capabilities.groupcaps
	if not groupcaps then
		return

	-- digging with the hand or something like that
	elseif groupcaps.snappy then

		-- plant a new bush without fruits
		minetest.swap_node(pos, {type = "node", name = "bushes:fruitless_bush"})
		local meta = minetest.get_meta(pos)
		meta:set_string('bush_type', bush_name)

		-- construct the stack of fruits the player will get
		-- only bushes that have grown fruits can actually give fruits
		if can_harvest then
			local amount = "4"
			harvested = "bushes:" .. bush_name .. " " .. amount
		end

	-- something like a shovel
	elseif groupcaps.crumbly then

		-- with a chance of 1/3, return 2 bushes
		local amount
		if can_harvest and math.random(1,3) == 1 then
			amount = "2"
		else
			amount = "1"
		end
		-- return the bush itself
		harvested = "bushes:" .. bush_name .. "_bush "..amount

	-- something like an axe
	elseif groupcaps.choppy then

		-- the amount of sticks may vary
		local amount = math.random(4, 20)
		-- return some sticks
		harvested = "default:stick " .. amount

	-- nothing known - destroy the plant
	else
		return
	end

	-- give the harvested result to the player
	if harvested then
		--minetest.chat_send_player("singleplayer","you would now get "..tostring( harvested ) );
		local itemstack = ItemStack(harvested)
		local inventory = digger:get_inventory()
		if inventory:room_for_item("main", itemstack) then
			inventory:add_item("main", itemstack)
		else
			minetest.item_drop(itemstack, digger, pos)
		end
	end
end

plantlife_bushes.after_place_node = function(pos, placer, itemstack)

	if not (itemstack and pos) then
		return
	end

	local name_parts = itemstack:get_name():split(":")
	if #name_parts < 2 or name_parts[2] == nil then
		return
	end

	name_parts = name_parts[2]:split("_")

	if #name_parts < 2 or name_parts[1] == nil then
		return
	end

	minetest.swap_node(pos, {name = "bushes:fruitless_bush"})
	local meta = minetest.get_meta(pos)
	meta:set_string("bush_type", name_parts[1])
end

-- regrow berries (uses a base abm instead of biome_lib because of the use of metadata).

minetest.register_abm({
	nodenames = {"bushes:fruitless_bush"},
	neighbors = {"group:soil", "group:potting_soil"},
	interval = 500,
	chance = 5,
	action = function(pos, node, active_object_count, active_object_count_wider)

		local meta = minetest.get_meta(pos)
		local bush_name = meta:get_string("bush_type")

		if bush_name and bush_name ~= "" then
			local dirtpos = {x = pos.x, y = pos.y-1, z = pos.z}
			local dirt = minetest.get_node(dirtpos)
			local is_soil = minetest.get_item_group(dirt.name, "soil") or minetest.get_item_group(dirt.name, "potting_soil")

			if is_soil and (dirt.name == "farming:soil_wet" or math.random(1,3) == 1) then
				minetest.swap_node( pos, {name = "bushes:" .. bush_name .. "_bush"})
			end
		end
	end
})

-- Define the basket and bush nodes

for i, bush_name in ipairs(bushes_classic.bushes) do

	minetest.register_node(":bushes:basket_"..bush_name, {
		description = bushes_classic.bushes_descriptions[i][5],
		drawtype = "mesh",
		mesh = "bushes_basket_full.obj",
		tiles = {
			"bushes_basket_pie_"..bush_name..".png",
			"bushes_basket.png"
		},
		paramtype = "light",
		paramtype2 = "facedir",
		on_use = minetest.item_eat(18),
		groups = { dig_immediate = 3 },
	})


	local groups = {snappy = 3, bush = 1, flammable = 2, attached_node=1}
	if bush_name == "mixed_berry" then
		bush_name = "fruitless";
		groups.not_in_creative_inventory = 1
	end

	local node_dig_prediction
	local node_placement_prediction
	if bush_name ~= "fruitless" then
		node_dig_prediction = "bushes:fruitless_bush"
		node_placement_prediction = "bushes:fruitless_bush"
	end

	minetest.register_node(":bushes:" .. bush_name .. "_bush", {
		description = bushes_classic.bushes_descriptions[i][6],
		drawtype = "mesh",
		mesh = "bushes_bush.obj",
		tiles = {"bushes_bush_"..bush_name..".png"},
		paramtype = "light",
		sunlight_propagates = true,
		walkable = false,
		groups = groups,
		sounds = default.node_sound_leaves_defaults(),
		drop = "",
		node_dig_prediction = node_dig_prediction,
		node_placement_prediction = node_placement_prediction,
		after_dig_node = function( pos, oldnode, oldmetadata, digger )
			return plantlife_bushes.after_dig_node(pos, oldnode, oldmetadata, digger);
		end,
		after_place_node = function( pos, placer, itemstack )
			return plantlife_bushes.after_place_node(pos, placer, itemstack);
		end,
	})

	-- do not spawn fruitless bushes
	if bush_name ~= "fruitless" then
		table.insert(bushes_classic.spawn_list, "bushes:"..bush_name.."_bush")
	end
end

minetest.register_node(":bushes:basket_empty", {
    description = S("Basket"),
	drawtype = "mesh",
	mesh = "bushes_basket_empty.obj",
	tiles = { "bushes_basket.png" },
	paramtype = "light",
	paramtype2 = "facedir",
    groups = { dig_immediate = 3 },
})