mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-16 21:12:59 +00:00
84 lines
3.3 KiB
Lua
84 lines
3.3 KiB
Lua
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local wea = worldeditadditions
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local Vector3 = wea.Vector3
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-- ███████ ██████ ██ ██████ █████ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██████ ██ ██████ ███████ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██ ██ ██ ██ ██ ██ ███████
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--
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-- ███████ ██████ ██ ██ █████ ██████ ███████
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██ ██ ██ ██ ███████ ██████ █████
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-- ██ ██ ▄▄ ██ ██ ██ ██ ██ ██ ██ ██
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-- ███████ ██████ ██████ ██ ██ ██ ██ ███████
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-- ▀▀
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--- Creates a square spiral that fills the defined region.
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-- @param pos1 Vector3 The 1st position of the defined region.
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-- @param pos2 Vector3 The 2nd position of the defined region.
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-- @param target_node Vector3 The *normalised* name of the node to use to build the square spiral with.
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-- @param interval number The distance between the walls of the spiral.
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-- @param acceleration=0 number Increate the interval by this number every time we hit a corner of the square spiral.
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-- @returns bool,number|string A success boolean value, followed by either the number of the nodes set or an error message string.
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function worldeditadditions.spiral_square(pos1, pos2, target_node, interval, acceleration)
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if not acceleration then acceleration = 0 end
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pos1, pos2 = Vector3.sort(pos1, pos2)
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local volume = pos2:subtract(pos1)
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local volume_half = volume:divide(2)
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print("DEBUG:spiral_square | pos1: "..pos1..", pos2: "..pos2..", target_node: "..target_node)
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-- Fetch the nodes in the specified area
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local manip, area = worldedit.manip_helpers.init(pos1, pos2)
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local data = manip:get_data()
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local node_id = minetest.get_content_id(target_node)
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local count = 0 -- The number of nodes replaced
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local centre = pos2:subtract(pos1):floor()
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local pos_current = centre:clone()
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local pos_corner_last = pos_current:clone()
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local side_length = 0
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local direction = Vector3.new(1, 0, 0)
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local side_length_max = interval
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while pos_current:is_contained(pos1, pos2) do
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for y = pos2.y, pos1.y, -1 do
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data[area:index(pos_current.x, y, pos_current.z)] = node_id
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count = count + 1
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end
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pos_current = pos_current:add(direction)
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side_length = side_length + 1
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if side_length > side_length_max then
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side_length_max = side_length_max + interval + acceleration
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if direction.x == 0 and direction.z == 1 then
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direction.x = 1
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direction.z = 0
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elseif direction.x == 1 and direction.z == 0 then
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direction.x = 0
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direction.z = -1
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elseif direction.x == 0 and direction.z == -1 then
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direction.x = -1
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direction.z = 0
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else
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direction.x = 0
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direction.z = 1
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end
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end
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end
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-- Save the modified nodes back to disk & return
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worldedit.manip_helpers.finish(manip, data)
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return true, count
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end
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