mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-06-02 20:53:04 +00:00
Starbeamrainbowlabs
43f395ad02
Thankfully I have a clue as to what's going wrong, which I've made a note of. Time for some research I think.....
63 lines
1.9 KiB
Lua
63 lines
1.9 KiB
Lua
--- Overlap command. Places a specified node on top of
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-- @module worldeditadditions.overlay
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function worldedit.ellipsoid(position, radius, target_node)
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-- position = { x, y, z }
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-- Fetch the nodes in the specified area
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-- OPTIMIZE: We should be able to calculate a more efficient box-area here
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local manip, area = worldedit.manip_helpers.init_radius(position, math.max(radius.x, radius.y, radius.z))
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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 node_id_air = minetest.get_content_id("air")
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local stride_z, stride_y = area.zstride, area.ystride
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-- TODO: This won't work, because we need to vary the calculation we use this in based on what part of the ellipsoid we're working on / in, not compare to a static value
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local radius_distance_sq = worldeditadditions.vector.lengthsquared(radius)
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local count = 0 -- The number of nodes replaced
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local idx_z_base = area:index(position.x, position.y, position.z) -- initial z offset
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for z = -radius.z, radius.z do
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local idx_y_base = idx_z_base
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for y = -radius.y, radius.y do
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local i = idx_y_base
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for x = -radius.x, radius.x do
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-- If we're inside the ellipse, then fill it in
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if math.abs(z) <= radius.z and
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math.abs(y) <= radius.y and
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math.abs(x) <= radius.x and
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worldeditadditions.vector.lengthsquared({ x = x, y = y, z = z }) < radius_distance_sq then
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data[i] = node_id
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count = count + 1
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else
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minetest.log("action", "x: " .. x .. ", radius.x: " .. radius.x)
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minetest.log("action", "y: " .. y .. ", radius.y: " .. radius.y)
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minetest.log("action", "z: " .. z .. ", radius.z: " .. radius.z)
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minetest.log("action", "***")
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end
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i = i + 1
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end
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idx_y_base = idx_y_base + stride_y
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end
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idx_z_base = idx_z_base + stride_z
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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 count
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end
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