VoxeLibre/mods/ITEMS/mcl_copper/functions.lua

--local deepslate_mod = minetest.get_modpath("mcl_deepslate")

--[[ a basic on_place()
function mcl_copper.on_place (itemstack, placer, pointed_thing)
	if pointed_thing.type ~= "node" then
		return itemstack
	end
	local node = minetest.get_node(pointed_thing.under)
	local pos = pointed_thing.under
	local node_name = node.name

	if mcl_util.check_position_protection(pos, placer) then
		return itemstack
	end

	-- Use pointed node's on_rightclick function first, if present
	local new_stack = mcl_util.call_on_rightclick(itemstack, placer, pointed_thing)
	if new_stack then
		return new_stack
	end

	local placed = ItemStack(itemstack:get_name())
	if not minetest.is_creative_enabled(placer:get_player_name()) then
		itemstack:take_item()
	end
	minetest.item_place(placed, placer, pointed_thing, minetest.dir_to_facedir(vector.direction(pointed_thing.above, pointed_thing.under)))

	return itemstack
end
--]]

local function register_oxidation_abm(abm_name, node_name, oxidized_variant)
	minetest.register_abm({
		label = abm_name,
		nodenames = { node_name },
		interval = 500,
		chance = 3,
		action = function(pos, node)
			minetest.swap_node(pos, { name = oxidized_variant, param2 = node.param2 })
		end,
	})
end

function mcl_copper.waxing_copper_block(pos, node, player, itemstack)
	-- prevent modification of protected nodes.
	if mcl_util.check_position_protection(pos, player) then
		return
	end

	local def = minetest.registered_nodes[node.name]

	if def and def._mcl_copper_waxed_variant then
		node.name = def._mcl_copper_waxed_variant
	end

	minetest.set_node(pos, node)
	awards.unlock(player:get_player_name(), "mcl:wax_on")
	if not minetest.is_creative_enabled(player:get_player_name()) then
		itemstack:take_item()
	end
	return itemstack
end

--[[
local stairs = {
	{"stair", "exposed", "_inner", "cut_inner"},
	{"stair", "weathered", "_inner", "exposed_cut_inner"},
	{"stair", "exposed", "_outer", "cut_outer"},
	{"stair", "weathered", "_outer", "exposed_cut_outer"},
	{"stair", "oxidized", "_outer", "weathered_cut_outer"},
	{"stair", "oxidized", "_inner", "weathered_cut_inner"},
	{"slab", "exposed", "","cut"},
	{"slab", "oxidized", "","weathered_cut"},
	{"slab", "weathered", "","exposed_cut"},
	{"slab", "exposed", "_top","cut_top"},
	{"slab", "oxidized", "_top", "weathered_cut_top"},
	{"slab", "weathered", "_top","exposed_cut_top"},
	{"slab", "exposed", "_double","cut_double"},
	{"slab", "oxidized", "_double","weathered_cut_double"},
	{"slab", "weathered", "_double","exposed_cut_double"},
	{"stair", "exposed", "","cut"},
	{"stair", "oxidized", "", "weathered_cut"},
	{"stair", "weathered", "", "exposed_cut"},
}]]

local block_oxidation = {
	{ "", "_exposed" },
	{ "_cut", "_exposed_cut" },
	{ "_exposed", "_weathered" },
	{ "_exposed_cut", "_weathered_cut" },
	{ "_weathered", "_oxidized" },
	{ "_weathered_cut", "_oxidized_cut" }
}

local stair_oxidation = {
	{ "slab", "cut", "exposed_cut" },
	{ "slab", "exposed_cut", "weathered_cut" },
	{ "slab", "weathered_cut", "oxidized_cut" },
	{ "slab", "cut_top", "exposed_cut_top" },
	{ "slab", "exposed_cut_top", "weathered_cut_top" },
	{ "slab", "weathered_cut_top", "oxidized_cut_double" },
	{ "slab", "cut_double", "exposed_cut_double" },
	{ "slab", "exposed_cut_double", "weathered_cut_double" },
	{ "slab", "weathered_cut_double", "oxidized_cut_double" },
	{ "stair", "cut", "exposed_cut" },
	{ "stair", "exposed_cut", "weathered_cut" },
	{ "stair", "weathered_cut", "oxidized_cut" },
	{ "stair", "cut_inner", "exposed_cut_inner" },
	{ "stair", "exposed_cut_inner", "weathered_cut_inner" },
	{ "stair", "weathered_cut_inner", "oxidized_cut_inner" },
	{ "stair", "cut_outer", "exposed_cut_outer" },
	{ "stair", "exposed_cut_outer", "weathered_cut_outer" },
	{ "stair", "weathered_cut_outer", "oxidized_cut_outer" }
}

for _, b in pairs(block_oxidation) do
	register_oxidation_abm("Copper oxidation", "mcl_copper:block" .. b[1], "mcl_copper:block" .. b[2])
end

for _, s in pairs(stair_oxidation) do
	register_oxidation_abm("Copper oxidation", "mcl_stairs:" .. s[1] .. "_copper_" .. s[2], "mcl_stairs:" .. s[1] .. "_copper_" .. s[3])
	-- TODO: Make stairs and slabs be waxable / scrapable. Place the Node overrides here, just like they are on the copper nodes, and it will work properly. May need to update mcl_honey to call the waxing function for stairs and slabs.
end