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Fixed decode_base64 wrapper

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This commit is contained in:
Lars Mueller 2020-12-18 10:42:03 +01:00
parent d4b33c6cee
commit 1e4f795691
1 changed files with 17 additions and 0 deletions
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17
minetest.lua
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@ -137,6 +137,23 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
end
end)
--+ Improved base64 decode removing valid padding
function decode_base64(base64)
local len = base64:len()
local padding_char = base64:sub(len, len) == "="
if padding_char then
if len % 4 ~= 0 then
return
end
if base64:sub(len-1, len-1) == "=" then
base64 = base64:sub(1, len-2)
else
base64 = base64:sub(1, len-1)
end
end
return minetest.decode_base64(base64)
end
liquid_level_max = 8
--+ Calculates the flow direction of a flowingliquid node
--# as returned by `minetest.get_node`