Added basic tweet component parsing, along with Twit error checking.

index.js

@@ -12,6 +12,33 @@ Tweet Transaction example:
   a: You take the painting.
   b: @TwittMUD south
   a: You are on a balcony overlooking the ocean. There is a lighthouse. There are exits: north
+
+--------------------------------------------------------------------------------
+How does the game world structure look?
+
+Room-oriented:
+
+  start {
+    things: {
+      0: 'candle',
+      1: 'thing'
+    },
+    exits: {
+      'e': 'eastern_plaza'
+    },
+    locations: {
+      'lighthouse': {
+        distance: 0,
+        direction: 'w',
+        location: 'plateu'
+      }
+      'beach'
+    },
+    users: {
+      0: '123435388',
+      1: '123444441'
+    }
+  }
 */
 var Twit = require('twit');
 var fs = require('fs');
@@ -31,12 +58,17 @@ var gogogo = function() {
     console.log(e);
     return 1;
   }
-  client = new Twit({
-    consumer_key: config.consumer_key,
-    consumer_secret: config.consumer_secret,
-    access_token: config.access_token,
-    access_token_secret: config.access_token_secret
-  });
+  try {
+    client = new Twit({
+      consumer_key: config.consumer_key,
+      consumer_secret: config.consumer_secret,
+      access_token: config.access_token,
+      access_token_secret: config.access_token_secret
+    });
+  } catch(e) {
+    console.log(e);
+    return 2;
+  }
   stream = client.stream('user', {with: 'user'});
   stream.on('follow', handleFollow);
   stream.on('unfollow', handleUnfollow);
@@ -45,13 +77,32 @@ var gogogo = function() {
 };
 /* ================ Handler Functions (events, tweets, etc.) ================ */
 /* handleTweet
-Called on each tweet to this Twitter account.
+Called on each tweet to this Twitter account. After some checks to ensure the tweet is intended for TwittMUD and is a command, it calls handleCommand, passing the contents of the message, who it was from, the desired lang, and the reply_id if it exists.
 */
 var handleTweet = function(tweet) {
-  vol.last_tweet_id = tweet.id;
+  var from = tweet.user.id;
+  var id = tweet.id;
+  var id_str = tweet.id_str;
+  var reply_id = tweet.in_reply_to_status_id;
+  var text = tweet.text;
+  var lang = tweet.lang;
+  //vol.last_tweet_id = tweet.id;
   // does the response match
-  var user = tweet.text.split
-  console.log(tweet);
+  var exp = /^@(.*)\ (.*)/
+  var res = exp.exec(text);
+  var to = res[1];
+  var msg = res[2];
+  // Conditions for handling messages as commands:
+  //  2. does the user follow us? (is in followers)
+  //    * is the user active? (is in active users list)
+  //  3. is it a reply?
+  //    *
+  //  4. Is the message parsable as a command?
+  //  1. is the message to us? (@TwittMUD)
+  var user = 'TwittMUD'; // TODO: replace with config.user_name
+  if (to.toLowerCase().indexOf(user.toLowerCase()) != -1) {
+  }
+  console.log(from + '=>' + to + ': ' + msg);
   return true;
 };
 /* handleFollow