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Add a hollowcuboid iteration helper (#190)

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HybridDog
2024-04-23 20:35:26 +02:00
committed by GitHub
parent 8c758671bc
commit cda772b18d
2 changed files with 83 additions and 19 deletions
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33
worldedit/primitives.lua
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@ -14,31 +14,26 @@ local mh = worldedit.manip_helpers
-- @return The number of nodes added.
function worldedit.cube(pos, width, height, length, node_name, hollow)
-- Set up voxel manipulator
local basepos = vector.subtract(pos, {x=math.floor(width/2), y=0, z=math.floor(length/2)})
local manip, area = mh.init(basepos, vector.add(basepos, {x=width, y=height, z=length}))
local basepos = vector.subtract(pos,
{x = math.floor(width / 2), y = 0, z = math.floor(length / 2)})
local endpos = vector.add(basepos,
{x = width - 1, y = height - 1, z = length - 1})
local manip, area = mh.init(basepos, endpos)
local data = mh.get_empty_data(area)
-- Add cube
local node_id = minetest.get_content_id(node_name)
local stride = vector.new(1, area.ystride, area.zstride)
local offset = vector.subtract(basepos, area.MinEdge)
local count = 0
local iterfunc
if hollow then
iterfunc = mh.iterp_hollowcuboid(area, basepos, endpos)
else
iterfunc = area:iterp(basepos, endpos)
end
for z = 0, length-1 do
local index_z = (offset.z + z) * stride.z + 1 -- +1 for 1-based indexing
for y = 0, height-1 do
local index_y = index_z + (offset.y + y) * stride.y
for x = 0, width-1 do
local is_wall = z == 0 or z == length-1
or y == 0 or y == height-1
or x == 0 or x == width-1
if not hollow or is_wall then
local i = index_y + (offset.x + x)
data[i] = node_id
count = count + 1
end
end
end
for vi in iterfunc do
data[vi] = node_id
count = count + 1
end
mh.finish(manip, data)