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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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49 lines
1.7 KiB
Lua
49 lines
1.7 KiB
Lua
--- Counts the nodes in a given area.
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-- @module worldeditadditions.count
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-- ██████ ██████ ██ ██ ███ ██ ████████
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-- ██ ██ ██ ██ ██ ████ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██████ ██████ ██████ ██ ████ ██
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function worldeditadditions.count(pos1, pos2)
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pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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-- pos2 will always have the highest co-ordinates now
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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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-- z y x is the preferred loop order (because CPU cache I'd guess, since then we're iterating linearly through the data array)
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local counts = {}
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for z = pos2.z, pos1.z, -1 do
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for y = pos2.y, pos1.y, -1 do
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for x = pos2.x, pos1.x, -1 do
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local next = data[area:index(x, y, z)]
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if not counts[next] then
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counts[next] = 0
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end
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counts[next] = counts[next] + 1
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end
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end
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end
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local total = worldedit.volume(pos1, pos2)
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local results = {}
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for node_name, count in pairs(counts) do
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table.insert(results, {
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count,
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tostring(worldeditadditions.round((count / total) * 100, 2)).."%",
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minetest.get_name_from_content_id(node_name)
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})
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end
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table.sort(results, function(a, b) return a[1] < b[1] end)
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-- Save the modified nodes back to disk & return
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-- No need to save - this function doesn't actually change anything
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-- worldedit.manip_helpers.finish(manip, data)
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return true, results, total
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end
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