mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-24 08:03:46 +01:00
38e5c81d33
- Don't use wea.sum() on a table full of all the times we've recorded so far - Limit individual stats list lengths to 25 to avoid memory issues when running with a large number of chunks - Tally total times / metrics as we go to avoid memory issues
44 lines
1.2 KiB
Lua
44 lines
1.2 KiB
Lua
-- From http://lua-users.org/wiki/SimpleRound
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function worldeditadditions.round(num, numDecimalPlaces)
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local mult = 10^(numDecimalPlaces or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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function worldeditadditions.hypotenuse(x1, y1, x2, y2)
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local xSquare = math.pow(x1 - x2, 2);
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local ySquare = math.pow(y1 - y2, 2);
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return math.sqrt(xSquare + ySquare);
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end
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function worldeditadditions.sum(list)
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if #list == 0 then return 0 end
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local sum = 0
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for i,value in ipairs(list) do
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sum = sum + value
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end
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return sum
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end
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function worldeditadditions.average(list)
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print("[DEBUG] averaging "..#list.." numbers")
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if #list == 0 then return 0 end
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return worldeditadditions.sum(list) / #list
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end
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--- Returns the minetest.get_us_time() in ms
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-- @return float
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function worldeditadditions.get_ms_time()
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return minetest.get_us_time() / 1000
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end
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function worldeditadditions.eta(existing_times, times_total_count)
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print("[DEBUG] eta got "..#existing_times.." numbers")
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local average = worldeditadditions.average(
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worldeditadditions.table_get_last(existing_times, 25)
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)
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local times_left = times_total_count - #existing_times
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if times_left == 0 then return 0 end
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return average * times_left
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end
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