-- overwrites default:mese to use a nodebox with the MESE text imprinted
-- if something goes wrong just blame puhfa

local base = {
	-- 'window frame' shape around the letters
	{ 0,  0,  0, 16,  1,  1},
	{ 0,  1,  0,  3, 15,  1},
	{ 8,  1,  0, 10, 15,  1},
	{14,  1,  0, 16, 15,  1},
	{ 3,  7,  0, 14,  9,  1},
	{ 0, 15,  0, 16, 16,  1},
	
	-- S, E
	{ 3,  1,  0,  4,  2,  1},
	{ 7,  1,  0,  8,  2,  1},
	{ 4,  2,  0,  6,  4,  1},
	{ 6,  2,  0,  7,  3,  1},
	{11,  2,  0, 14,  4,  1},
	{ 3,  3,  0,  6,  4,  1},
	{ 7,  3,  0,  8,  4,  1},
	{ 3,  4,  0,  4,  5,  1},
	{ 6,  4,  0,  8,  5,  1},
	{13,  4,  0, 14,  5,  1},
	{ 4,  5,  0,  7,  6,  1},
	{11,  5,  0, 14,  6,  1},
	{ 3,  6,  0,  4,  7,  1},
	{ 7,  6,  0,  8,  7,  1},
	
	-- M, E
	{ 4,  9,  0,  7, 12,  1},
	{11, 10,  0, 14, 12,  1},
	{ 4, 12,  0,  5, 13,  1},
	{ 6, 12,  0,  7, 13,  1},
	{13, 12,  0, 14, 13,  1},
	{ 5, 13,  0,  6, 14,  1},
	{11, 13,  0, 14, 14,  1},
	{ 4, 14,  0,  7, 15,  1}
}

local boundingbox = {
	type = "fixed",
	fixed = { -.5, -.5, -.5, .5, .5, .5 }
}

local add_base = function(nodebox)
	for _, v in pairs(base) do
		table.insert(nodebox, {v[1], v[2], v[3], v[4], v[5], v[6]})
	end
	return nodebox
end


local rotate_y = function(nodebox) -- rotates nodebox around Y axis
	local temp
	for k, v in pairs(nodebox) do
		for i = 1, 4, 3 do
			temp = v[i]
			v[i] = v[i + 2]
			v[i + 2] = -temp
		end
	end
	return nodebox
end

local rotate_x = function(nodebox) -- rotates nodebox around X axis
	local temp
	for k, v in pairs(nodebox) do
		for i = 1, 4, 3 do
			temp = v[i + 1]
			v[i + 1] = v[i + 2]
			v[i + 2] = -temp
		end
	end
	return nodebox
end

local nodebox = {}

for k, v in pairs(base) do
	for i = 1, 6 do
		v[i] = v[i] / 16.0 - .5
	end
end

-- lol
for _ = 1, 4 do
	nodebox = rotate_y(nodebox)
	nodebox = add_base(nodebox)
end
nodebox = rotate_x(nodebox)
nodebox = add_base(nodebox)
nodebox = rotate_x(nodebox)
nodebox = rotate_x(nodebox)
nodebox = add_base(nodebox)
nodebox = rotate_x(nodebox)
table.insert(nodebox, {-7 / 16,  -7 / 16,  -7 / 16, 7 / 16, 7 / 16, 7 / 16})

minetest.override_item("default:mese", {
	description = "Mese Block",
	tiles = {"default_mese_block.png"},
	is_ground_content = true,
	groups = {cracky=1,level=2},
	sounds = default.node_sound_stone_defaults(),
	
	drawtype = "nodebox",
	paramtype = "light",
	node_box = {
		type = "fixed",
		fixed = nodebox
	},
	selection_box = boundingbox,
	collision_box = boundingbox
})