Mirrorlandia_minetest/Minetest-WorldEditAdditions
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Add airlike backend command, but it's nto tested or hooked up yet

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Starbeamrainbowlabs 2021-07-13 23:49:21 +01:00
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commit 0d1900d37c
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worldeditadditions/lib/airapply.lua Normal file
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-- █████ ██ ██████
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--
-- █████ ██████ ██████ ██ ██ ██
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--- Similar to cubeapply, except that it takes 2 positions and only keeps an ellipsoid-shaped area defined by the boundaries of the defined region.
-- Takes a backup copy of the defined region, runs the given function, and then
-- restores the bits around the edge that aren't inside the largest ellipsoid that will fit inside the defined region.
-- @param {Position} pos1 The 1st position defining the region boundary
-- @param {Position} pos2 The 2nd positioon defining the region boundary
-- @param {Function} func The function to call that performs the action in question. It is expected that the given function will accept no arguments.
function worldeditadditions.airapply(pos1, pos2, func)
local time_taken_all = worldeditadditions.get_ms_time()
pos1, pos2 = worldedit.sort_pos(pos1, pos2)
-- pos2 will always have the highest co-ordinates now
-- Fetch the nodes in the specified area
local manip_before, area_before = worldedit.manip_helpers.init(pos1, pos2)
local data_before = manip_before:get_data()
local time_taken_fn = worldeditadditions.get_ms_time()
func()
time_taken_fn = worldeditadditions.get_ms_time() - time_taken_fn
local manip_after, area_after = worldedit.manip_helpers.init(pos1, pos2)
local data_after = manip_after:get_data()
for z = pos2.z, pos1.z, -1 do
for y = pos2.y, pos1.y, -1 do
for x = pos2.x, pos1.x, -1 do
local i = area:index(x, y, z)
local old_is_airlike = worldeditadditions.is_airlike(data_before[i])
-- Roll everything that replaces nodes that aren't airlike
if not old_is_airlike then
data_after[area_after:index(x, y, z)] = data_before[area_before:index(x, y, z)]
end
end
end
end
-- Save the modified nodes back to disk & return
-- No need to save - this function doesn't actually change anything
worldedit.manip_helpers.finish(manip_after, data_after)
time_taken_all = worldeditadditions.get_ms_time() - time_taken_all
return true, { all = time_taken_all, fn = time_taken_fn }
end