Online user list

Introduction¶

Online user list, using firebase-database.

Author: Rex

Usage¶

Install plugin¶

Load minify file¶

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-database.js"></script>
</body>

Load plugin (minify file) in preload stage

scene.load.plugin('rexfirebaseplugin', 'https://raw.githubusercontent.com/rexrainbow/phaser3-rex-notes/master/dist/rexfirebaseplugin.min.js', true);

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Add online-user-list object

var userList = scene.plugins.get('rexfirebaseplugin').add.onlineUserList(config);

Import plugin¶

Install rex plugins from npm
```
npm i phaser3-rex-plugins
```

Add Firebase SDKs

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-database.js"></script>
</body>

Install plugin in configuration of game

import FirebasePlugin from 'phaser3-rex-plugins/plugins/firebase-plugin.js';
var config = {
    // ...
    plugins: {
        global: [{
            key: 'rexFirebase',
            plugin: FirebasePlugin,
            start: true
        }]
    }
    // ...
};
var game = new Phaser.Game(config);

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Add online-user-list object

var userList = scene.plugins.get('rexFirebase').add.onlineUserList(config);

Import class¶

Install rex plugins from npm
```
npm i phaser3-rex-plugins
```

Add Firebase SDKs

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-database.js"></script>
</body>

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Import class

import { OnlineUserList } from 'phaser3-rex-plugins/plugins/firebase-components.js';

Add online-user-list object

var userList = new OnlineUserList(config);

Create instance¶

var userList = scene.plugins.get('rexFirebase').add.onlineUserList({
    root: '',
    // maxUsers: 0,

    // userID: '',
    // userName: '',
});

root : Path of this online user list.
maxUsers: Maximum users in this list. Set to 0 to have infinity users.
userID : ID of user.
userName : Name of user.

Join¶

Set userID and user name.

userList.setUser(userID, userName);

or

userList.setUser({
    userID: userID,
    userName: userName
});

userID : User ID.
userName : Display name.

Join list.

userList.join()
// .then(function() { })
// .catch(function() { })

Leave¶

userList.leave()
// .then(function() { })
// .catch(function() { })

Kick user¶

userList.leave(userID)
// .then(function() { })
// .catch(function() { })

Change user name¶

userList.changeUserName(newUserName)
// .then(function() { })
// .catch(function() { })

User list¶

Get users in user list
```
var users = userList.getUsers();
```
- users : Array of user {userID, userName}

Is first user in user list?

var isFirstUser = userList.isFirstUser(userID);
// var isFirstUser = userList.isFirstUser();  // Current user is first user

User list is full
```
var isFull = userList.isFull();
```
Maximun users setting value
```
var maxUsers = userList.maxUsers;
```
Current user is in list
```
var isInList = userList.isInList;
```

Events¶

Any user join
```
userList.on('join', user);
```
- user : {userID, userName}
Any user leave
```
userList.on('leave', user);
```
- user : {userID, userName}
User list updated, includes user join, user leave, and user name changed
```
userList.on('update', users);
```
- users : Array of user {userID, userName}

User name is changed

userList.on('changename', userID, userName, prevUserName);