mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-05 06:53:52 +01:00
49 lines
1.7 KiB
Lua
49 lines
1.7 KiB
Lua
--- Counts the nodes in a given area.
|
|
-- @module worldeditadditions.count
|
|
|
|
-- ██████ ██████ ██ ██ ███ ██ ████████
|
|
-- ██ ██ ██ ██ ██ ████ ██ ██
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██
|
|
-- ██████ ██████ ██████ ██ ████ ██
|
|
function worldeditadditions.count(pos1, pos2)
|
|
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, area = worldedit.manip_helpers.init(pos1, pos2)
|
|
local data = manip:get_data()
|
|
|
|
-- z y x is the preferred loop order (because CPU cache I'd guess, since then we're iterating linearly through the data array)
|
|
local counts = {}
|
|
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 next = data[area:index(x, y, z)]
|
|
if not counts[next] then
|
|
counts[next] = 0
|
|
end
|
|
counts[next] = counts[next] + 1
|
|
end
|
|
end
|
|
end
|
|
|
|
local total = worldedit.volume(pos1, pos2)
|
|
|
|
local results = {}
|
|
for node_name, count in pairs(counts) do
|
|
table.insert(results, {
|
|
count,
|
|
tostring(worldeditadditions.round((count / total) * 100, 2)).."%",
|
|
minetest.get_name_from_content_id(node_name)
|
|
})
|
|
end
|
|
table.sort(results, function(a, b) return a[1] < b[1] 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, data)
|
|
|
|
return true, results, total
|
|
end
|