commit | author | age
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local digit_sep_esc |
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do |
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local sep = technic.config:get("digit_separator") |
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sep = tonumber(sep) and string.char(sep) or sep or " " |
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-- Escape for gsub |
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for magic in ("().%+-*?[^$"):gmatch(".") do |
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if sep == magic then |
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sep = "%"..sep |
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end |
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end |
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digit_sep_esc = sep |
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end |
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function technic.pretty_num(num) |
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local str, k = tostring(num), nil |
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repeat |
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str, k = str:gsub("^(-?%d+)(%d%d%d)", "%1"..digit_sep_esc.."%2") |
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until k == 0 |
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return str |
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end |
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--- Same as minetest.swap_node, but only changes name |
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-- and doesn't re-set if already set. |
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function technic.swap_node(pos, name) |
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local node = minetest.get_node(pos) |
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if node.name ~= name then |
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node.name = name |
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minetest.swap_node(pos, node) |
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end |
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end |
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--- Fully charge RE chargeable item. |
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-- Must be defined early to reference in item definitions. |
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function technic.refill_RE_charge(stack) |
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local max_charge = technic.power_tools[stack:get_name()] |
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if not max_charge then return stack end |
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technic.set_RE_wear(stack, max_charge, max_charge) |
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local meta = minetest.deserialize(stack:get_metadata()) or {} |
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meta.charge = max_charge |
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stack:set_metadata(minetest.serialize(meta)) |
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return stack |
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end |
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-- If the node is loaded, returns it. If it isn't loaded, load it and return nil. |
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function technic.get_or_load_node(pos) |
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local node = minetest.get_node_or_nil(pos) |
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if node then return node end |
c38da0
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local vm = VoxelManip() |
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local MinEdge, MaxEdge = vm:read_from_map(pos, pos) |
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return nil |
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end |
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technic.tube_inject_item = pipeworks.tube_inject_item or function(pos, start_pos, velocity, item) |
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local tubed = pipeworks.tube_item(vector.new(pos), item) |
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tubed:get_luaentity().start_pos = vector.new(start_pos) |
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tubed:setvelocity(velocity) |
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tubed:setacceleration(vector.new(0, 0, 0)) |
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end |
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-- Based on code by Uberi: https://gist.github.com/Uberi/3125280 |
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function technic.trace_node_ray(pos, dir, range) |
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local p = vector.round(pos) |
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local x_step, y_step, z_step = 0, 0, 0 |
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local x_component, y_component, z_component = 0, 0, 0 |
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local x_intersect, y_intersect, z_intersect = 0, 0, 0 |
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if dir.x == 0 then |
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x_intersect = math.huge |
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elseif dir.x > 0 then |
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x_step = 1 |
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x_component = 1 / dir.x |
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x_intersect = x_component |
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else |
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x_step = -1 |
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x_component = 1 / -dir.x |
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end |
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if dir.y == 0 then |
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y_intersect = math.huge |
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elseif dir.y > 0 then |
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y_step = 1 |
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y_component = 1 / dir.y |
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y_intersect = y_component |
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else |
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y_step = -1 |
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y_component = 1 / -dir.y |
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end |
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if dir.z == 0 then |
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z_intersect = math.huge |
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elseif dir.z > 0 then |
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z_step = 1 |
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z_component = 1 / dir.z |
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z_intersect = z_component |
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else |
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z_step = -1 |
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z_component = 1 / -dir.z |
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end |
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return function() |
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if x_intersect < y_intersect then |
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if x_intersect < z_intersect then |
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p.x = p.x + x_step |
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x_intersect = x_intersect + x_component |
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else |
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p.z = p.z + z_step |
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z_intersect = z_intersect + z_component |
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end |
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elseif y_intersect < z_intersect then |
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p.y = p.y + y_step |
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y_intersect = y_intersect + y_component |
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else |
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p.z = p.z + z_step |
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z_intersect = z_intersect + z_component |
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end |
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if vector.distance(pos, p) > range then |
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return nil |
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end |
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return p |
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end |
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end |
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