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cache reverse lookups from player name to guid - this prevents the potentially slow iteration throughout localStorage for every lookup

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This commit is contained in:
Jon Atkins 2013-05-19 03:50:47 +01:00
parent f1a6909c8e
commit 9a30c13413
1 changed files with 9 additions and 2 deletions
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11
code/player_names.js
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@ -17,14 +17,21 @@ window.getPlayerName = function(guid) {
return '{'+guid.slice(0, 12)+'}'; return '{'+guid.slice(0, 12)+'}';
} }
window.playerNameToGuid = function(playerName){ window._playerNameToGuidCache = {};
window.playerNameToGuid = function(playerName) {
var cachedGuid = window._playerNameToGuidCache[playerName];
if (cachedGuid !== undefined) return cachedGuid;
var guid = null; var guid = null;
$.each(Object.keys(localStorage), function(ind,key) { $.each(Object.keys(localStorage), function(ind,key) {
if(playerName === localStorage[key]) { if(playerName === localStorage[key]) {
guid = key; guid = key;
return false; return false; //break from $.each
} }
}); });
window._playerNameToGuidCache[playerName] = guid;
return guid; return guid;
} }