Mercurial > wow > momit-suicide-kings
comparison Utility.lua @ 3:a55f4f2a4603 tip
intial (real) commit!
| author | Kyle@Kyle-PC |
|---|---|
| date | Thu, 23 Feb 2012 00:34:43 -0500 |
| parents | |
| children |
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| 2:37321677b4d9 | 3:a55f4f2a4603 |
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| 1 --[[ | |
| 2 Title: Suicide Kings | |
| 3 Author: Brom | |
| 4 Version: 0.1 | |
| 5 ]] | |
| 6 | |
| 7 local function RandomCharacter() | |
| 8 | |
| 9 -- 0-9, A-Z, a-z = 10 + 26 + 16 | |
| 10 local i = math.random(0,61) | |
| 11 | |
| 12 -- strip offset and ascii jump | |
| 13 if ( i >= 36 ) then | |
| 14 -- a:z | |
| 15 i = ( i - 36 ) + 97 | |
| 16 elseif ( i >= 10 ) then | |
| 17 -- A:Z | |
| 18 i = ( i - 10 ) + 65 | |
| 19 else | |
| 20 -- 0:9 | |
| 21 i = ( i + 48 ) | |
| 22 end | |
| 23 | |
| 24 return string.char( i ) | |
| 25 | |
| 26 end | |
| 27 | |
| 28 function SuicideKings:UID( reserved ) | |
| 29 | |
| 30 -- uid length | |
| 31 -- unique values = 62^4 = 14776336 | |
| 32 local length = 4 | |
| 33 | |
| 34 -- generate a random string | |
| 35 local s = RandomCharacter() | |
| 36 for i = 1, length-1 do | |
| 37 local c = RandomCharacter() | |
| 38 s = s .. c | |
| 39 end | |
| 40 | |
| 41 -- if taken, try again | |
| 42 while ( reserved[s] ~= nil ) do | |
| 43 s = SuicideKings:UID( reserved ) | |
| 44 end | |
| 45 | |
| 46 return s | |
| 47 | |
| 48 end |