mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-12-04 13:03:59 +01:00
61 lines
2.2 KiB
Lua
61 lines
2.2 KiB
Lua
local wea_c = worldeditadditions_core
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local Vector3 = wea_c.Vector3
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---
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-- @module worldeditadditions
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-- ██████ ██████ ██ ██ ███ ██ ████████
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-- ██ ██ ██ ██ ██ ████ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██████ ██████ ██████ ██ ████ ██
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--- Counts the nodes in a given area.
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-- @param pos1 Vector3 pos1 of the defined region to count nodes in.
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-- @param pos2 Vector3 pos2 of the defined region to count nodes in.
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-- @param do_human_counts bool Whether to return human-readable counts (as a string) instead of the raw numbers.
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-- @returns bool,table<number,number>,number 1. Whether the operation was successful or not.
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-- 2. A table mapping node ids to the number of that node id seen.
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-- 3. The total number of nodes counted.
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function worldeditadditions.count(pos1, pos2, do_human_counts)
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pos1, pos2 = Vector3.sort(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 i in area:iterp(pos1, pos2) do
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if not counts[data[i]] then
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counts[data[i]] = 0
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end
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counts[data[i]] = counts[data[i]] + 1
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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(wea_c.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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if do_human_counts then
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for key,item in pairs(results) do
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item[1] = wea_c.format.human_size(item[1], 2)
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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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-- 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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