default.LIGHT_MAX = 14
default.log = {}
default.log.level = 0
default.log.mods = {}

function default.log.log(mod, level, message)
	if level > default.log.level then
		local level_name = ({"[info]", "[warning]", "[ERROR]"})[level]
		print("[" .. mod .. "]" .. level_name .. " " .. message)
		if default.log.mods[mod] then
			local color = ({"#00FF00", "#FFFF00", "#FF0000"})[level]
			minetest.chat_send_all(core.colorize(color, "[" .. mod .. "]" .. level_name .. " " .. message))
		end
	end
end

function default.log.register_mod(name)
	default.log.mods[name] = true
end

function default.drop_item(pos,stack)
	if not(stack:is_empty()) then
		local p = vector.new(pos.x + math.random(0,10)/10-0.5, pos.y, pos.z+math.random(0,10)/10-0.5)
		minetest.add_item(p,stack)
		return true
	else
		return false
	end
end

function default.drop_items(pos, oldnode, oldmetadata, digger)
	local meta = minetest.get_meta(pos)
	meta:from_table(oldmetadata)
	local inv = meta:get_inventory()
	for i = 1, inv:get_size("main") do
		default.drop_item(pos,inv:get_stack("main", i))
	end
end

function default.drop_inv(names)
	return (function (pos, oldnode, oldmetadata, digger)
		local meta = minetest.get_meta(pos)
		meta:from_table(oldmetadata)
		local inv = meta:get_inventory()
		for _, n in ipairs(names) do
			for i = 1, inv:get_size(n) do
				default.drop_item(pos,inv:get_stack(n, i))
			end
		end
	end)
end

function default.register_fence(name,def)
	def.description = def.description or minetest.registered_nodes[def.material].description .. " Fence"
	def.tiles = def.tiles or minetest.registered_nodes[def.material].tiles
	def.groups = def.groups or minetest.registered_nodes[def.material].groups
	def.sounds = def.sounds or minetest.registered_nodes[def.material].sounds
	def.drawtype = "nodebox"
	def.node_box = {
		type = "connected",
		fixed = {{-2/16, -0.5, -2/16, 2/16, 0.5, 2/16}},
		connect_front = {{-1/16,3/16,-1/2,1/16,6/16,-2/16},{-1/16,-4/16,-1/2,1/16,-1/16,-1/16}},
		connect_left = {{-1/2,3/16,-1/16,-2/16,6/16,1/16},{-1/2,-4/16,-1/16,-2/16,-1/16,1/16}},
		connect_back = {{-1/16,3/16,2/16,1/16,6/16,1/2},{-1/16,-4/16,2/16,1/16,-1/16,1/2}},
		connect_right = {{2/16,3/16,-1/16,1/2,6/16,1/16},{2/16,-4/16,-1/16,1/2,-1/16,1/16}},
	}
	def.paramtype = "light"
	def.connects_to = {name, "group:cracky", "group:choppy"}

	minetest.register_node(name, def)

	minetest.register_craft({
		output = name .. " 12",
		recipe = {
			{def.material, def.material, def.material},
			{def.material, def.material, def.material}
		}
	})
end

default.sounds = {}

function default.sounds.wood(t)
	t = t or {}
	t.dug = table.dug or
			{name = "default_wood_1", gain = 0.25}
	t.place = table.place or
			{name = "default_wood_1", gain = 0.7}
	t.footstep = t.footstep or
			{name = "default_stone_2", gain = 0.1}
	return t
end

function default.sounds.stone(t)
	t = t or {}
	t.dig = table.dug or
			{name = "default_stone_2", gain = 0.03}
	t.dug = table.dug or
			{name = "default_stone_2", gain = 0.08}
	t.place = table.place or
			{name = "default_stone_1", gain = 0.5}
	t.footstep = t.footstep or
			{name = "default_stone_2", gain = 0.05}
	return t
end

function default.sounds.dirt(t)
	t = t or {}
	t.dug = table.dug or
			{name = "default_dirt_1", gain = 0.25}
	t.place = table.place or
			{name = "default_dirt_1", gain = 0.5}
	t.footstep = t.footstep or
			{name = "default_dirt_1", gain = 0.1}
	return t
end

default.node_sound_stone_defaults = default.sounds.stone
default.node_sound_dirt_defaults = default.sounds.dirt
default.node_sound_wood_defaults = default.sounds.wood

default.node_sound_sand_defaults = default.sounds.dirt
default.node_sound_gravel_defaults = default.sounds.dirt
default.node_sound_leaves_defaults = default.sounds.dirt
default.node_sound_glass_defaults = default.sounds.dirt