add player.handleCommand to the api, improve command handling

doc/api.md

@@ -61,6 +61,7 @@
       - [player.sendInitialPosition()](#playersendinitialposition)
       - [player.spawn()](#playerspawn)
       - [player.setGameMode(gameMode)](#playersetgamemodegamemode)
+      - [player.handleCommand(command)](#playerhandlecommandcommand)
     - [Low level properties](#low-level-properties)
       - [player._client](#player_client)
     - [Low level methods](#low-level-methods)
@@ -283,6 +284,10 @@ tell everybody else that the player spawned
 
 set player gameMode to `gameMode`
 
+#### player.handleCommand(command)
+
+handle `command`
+
 ### Low level properties
 
 #### player._client

lib/playerPlugins/chat.js

@@ -1,35 +1,18 @@
 module.exports=inject;
 
-function inject(serv, player, options)
+function inject(serv, player)
 {
   player._client.on('chat', function (packet) {
-    if(!handleCommand(packet.message)) {
+    if(packet.message[0]=="/") {
+      var command = packet.message.slice(1);
+      player.handleCommand(command);
+    }
+    else {
       serv.broadcast('<' + player.username + '>' + ' ' + packet.message);
       player.emit("chat",packet.message);
     }
   });
 
-  function handleCommand(message)
-  {
-    var command;
-    if(message[0]=="/")
-      command=message.slice(1);
-    else return false;
-
-    if(options.commands[command]) {
-      player.chat("" + options.commands[command]);
-      return true;
-    }
-    var results;
-    if(results=command.match(/^gamemode ([0-3])$/)) {
-      var gameMode=parseInt(results[1]);
-      player.setGameMode(gameMode);
-      return true;
-    }
-    player.chat("Invalid command.");
-    return true;
-  }
-
   function chat(message) {
     player._client.write('chat', { message: JSON.stringify(message), position: 0 });
   }

lib/playerPlugins/commands.js

@@ -0,0 +1,19 @@
+module.exports=inject;
+
+function inject(serv, player, options)
+{
+  function handleCommand(command)
+  {
+    var results;
+    if(options.commands[command])
+      player.chat("" + options.commands[command]);
+    else if(results=command.match(/^gamemode ([0-3])$/)) {
+      var gameMode=parseInt(results[1]);
+      player.setGameMode(gameMode);
+    }
+    else
+      player.chat("Invalid command.");
+  }
+
+  player.handleCommand=handleCommand;
+}