| | |
| | | local digit_sep_esc |
| | | do |
| | | local sep = technic.config:get("digit_separator") |
| | | sep = tonumber(sep) and string.char(sep) or sep or " " |
| | | -- Escape for gsub |
| | | for magic in ("().%+-*?[^$"):gmatch(".") do |
| | | if sep == magic then |
| | | sep = "%"..sep |
| | | end |
| | | local constant_digit_count = technic.config:get("constant_digit_count") |
| | | |
| | | -- converts a number to a readable string with SI prefix, e.g. 10000 → "10 k", |
| | | -- 15 → "15 ", 0.1501 → "150.1 m" |
| | | -- a non-breaking space (U+a0) instead of a usual one is put after number |
| | | -- The precision is 4 digits |
| | | local prefixes = {[-8] = "y", [-7] = "z", [-6] = "a", [-5] = "f", [-4] = "p", |
| | | [-3] = "n", [-2] = "µ", [-1] = "m", [0] = "", [1] = "k", [2] = "M", |
| | | [3] = "G", [4] = "T", [5] = "P", [6] = "E", [7] = "Z", [8] = "Y"} |
| | | function technic.pretty_num(num) |
| | | -- the small number added is due to floating point inaccuracy |
| | | local b = math.floor(math.log10(math.abs(num)) +0.000001) |
| | | local pref_i |
| | | if b ~= 0 then |
| | | -- b is decremented by 1 to avoid a single digit with many decimals, |
| | | -- e.g. instead of 1.021 MEU, 1021 kEU is shown |
| | | pref_i = math.floor((b - 1) / 3) |
| | | else |
| | | -- as special case, avoid showing e.g. 1100 mEU instead of 1.1 EU |
| | | pref_i = 0 |
| | | end |
| | | digit_sep_esc = sep |
| | | if not prefixes[pref_i] then |
| | | -- This happens for 0, nan, inf, very big values, etc. |
| | | if num == 0 then |
| | | -- handle 0 explicilty to avoid showing "-0" |
| | | if not constant_digit_count then |
| | | return "0 " |
| | | end |
| | | -- gives 0.000 |
| | | return string.format("%.3f ", 0) |
| | | end |
| | | return string.format("%.4g ", num) |
| | | end |
| | | |
| | | num = num * 10 ^ (-3 * pref_i) |
| | | if constant_digit_count then |
| | | local comma_digits_cnt = 3 - (b - 3 * pref_i) |
| | | return string.format("%." .. comma_digits_cnt .. "f %s", |
| | | num, prefixes[pref_i]) |
| | | end |
| | | return string.format("%.4g %s", num, prefixes[pref_i]) |
| | | end |
| | | |
| | | -- some unittests |
| | | assert(technic.pretty_num(-0) == "0 ") |
| | | assert(technic.pretty_num(0) == "0 ") |
| | | assert(technic.pretty_num(1234) == "1234 ") |
| | | assert(technic.pretty_num(123456789) == "123.5 M") |
| | | |
| | | function technic.pretty_num(num) |
| | | local str, k = tostring(num), nil |
| | | repeat |
| | | str, k = str:gsub("^(-?%d+)(%d%d%d)", "%1"..digit_sep_esc.."%2") |
| | | until k == 0 |
| | | return str |
| | | |
| | | -- used to display power values |
| | | function technic.EU_string(num) |
| | | return technic.pretty_num(num) .. "EU" |
| | | end |
| | | |
| | | |
| | |
| | | end |
| | | |
| | | |
| | | --- Returns the meta of an item |
| | | -- Gets overridden when legacy.lua is loaded |
| | | function technic.get_stack_meta(itemstack) |
| | | return itemstack:get_meta() |
| | | end |
| | | |
| | | --- Same as technic.get_stack_meta for cans |
| | | function technic.get_stack_meta_cans(itemstack) |
| | | return itemstack:get_meta() |
| | | end |
| | | |
| | | |
| | | --- Fully charge RE chargeable item. |
| | | -- Must be defined early to reference in item definitions. |
| | | function technic.refill_RE_charge(stack) |
| | | local max_charge = technic.power_tools[stack:get_name()] |
| | | if not max_charge then return stack end |
| | | local meta = technic.get_stack_meta(stack) |
| | | meta:set_int("technic:charge", max_charge) |
| | | technic.set_RE_wear(stack, max_charge, max_charge) |
| | | local meta = minetest.deserialize(stack:get_metadata()) or {} |
| | | meta.charge = max_charge |
| | | stack:set_metadata(minetest.serialize(meta)) |
| | | return stack |
| | | end |
| | | |
| | |
| | | local node = minetest.get_node_or_nil(pos) |
| | | if node then return node end |
| | | local vm = VoxelManip() |
| | | local MinEdge, MaxEdge = vm:read_from_map(pos, pos) |
| | | local _, _ = vm:read_from_map(pos, pos) |
| | | return nil |
| | | end |
| | | |
| | |
| | | technic.tube_inject_item = pipeworks.tube_inject_item or function(pos, start_pos, velocity, item) |
| | | local tubed = pipeworks.tube_item(vector.new(pos), item) |
| | | tubed:get_luaentity().start_pos = vector.new(start_pos) |
| | | tubed:setvelocity(velocity) |
| | | tubed:setacceleration(vector.new(0, 0, 0)) |
| | | tubed:set_velocity(velocity) |
| | | tubed:set_acceleration(vector.new(0, 0, 0)) |
| | | end |
| | | |
| | | |
| | |
| | | return p |
| | | end, vector.round(pos) |
| | | end |
| | | |