Persisting extra fields

Author: ostracod

README.md

@@ -201,6 +201,7 @@ Members of `Player`:
 * `player.username`
 * `player.score`
 * `player.hasLeftGame`
+* `player.extraFields`: Dictionary of extra fields defined in your database schema. These will be persisted automatically.
 
 Your project must create a `GameDelegate` and pass it into `ostracodMultiplayer.initialize`. `GameDelegate` must have the following members:
 

gameUtils.js

@@ -64,10 +64,15 @@ Player.prototype.tick = function() {
 
 Player.prototype.persist = function(done) {
     var self = this;
+    var tempFieldSet = {score: self.score};
+    var name;
+    for (name in this.extraFields) {
+        tempFieldSet[name] = this.extraFields[name];
+    }
     dbUtils.performTransaction(function(callback) {
         accountUtils.updateAccount(
             self.accountUid,
-            {score: self.score}, 
+            tempFieldSet,
             function(error, result) {
                 if (error) {
                     console.log(error);