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Merge pull request #9659 from PsiOmegaDelta/150604-Shuffle

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The shuffle proc can now handle both normal and associative lists.
This commit is contained in:
Zuhayr
2015-06-05 17:37:38 +09:30
parent ee91983867 8794a90d05
commit 36d8b9169b
1 changed files with 8 additions and 9 deletions
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17
code/__HELPERS/lists.dm
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@@ -169,16 +169,15 @@ proc/listclearnulls(list/list)
return output return output
//Randomize: Return the list in a random order //Randomize: Return the list in a random order
/proc/shuffle(var/list/shufflelist) /proc/shuffle(var/list/L)
if(!shufflelist) if(!L)
return return
var/list/new_list = list()
var/list/old_list = shufflelist.Copy() L = L.Copy()
while(old_list.len)
var/item = pick(old_list) for(var/i=1; i<L.len; i++)
new_list += item L.Swap(i, rand(i,L.len))
old_list -= item return L
return new_list
//Return a list with no duplicate entries //Return a list with no duplicate entries
/proc/uniquelist(var/list/L) /proc/uniquelist(var/list/L)