Creating A Game Using Microsoft’s Next Generation Technologies

Creating a Game Using Microsoft’s Next Generation Technologies (lvl. 300) Tamir Khason and Alex Golesh [email_address] | [email_address]

In 1 hour we will try to create…
The Street Racing Game
… which is network multiplayer game
… that runs on XBOX
… and personal computer
… with WPF
… in web browser (later iSmoke will come)
… also it runs on Linux
… and on mobile phone

Now the time for…
… with WPF

XNA Framework Overview Core Framework Graphics Audio Input Math Storage Extended Framework Application Model Content Pipeline Games Starter Kits Your Code Your Content Components Platform DirectX XDK .NET Framework .NET CF Networking Gamer Services Networking Gamer Services

Let’s see XNA application creation

Game Theory Level Level Level Level Level Load Content Update Draw

XNA Game
Main game class should derive from Microsoft.Xna.Framework.Game
Class constructor should initialize graphics and other components game need
Networking – Session Creation
Graphics Networking Components Audio Gamer Services

LoadContent/Update/Draw
LoadContent
Update (occurs 60 times per second)
After this stage Draw being executed

Now the time for…
… with WPF

Now, we’ll make it better Core Framework Platform DirectX XDK .NET Framework .NET CF Networking Gamer Services WPF Base Services User Interface Services Audio Input & Eventing Accessibility XAML Data Binding Layout Controls Application services Deployment services Data LINQ XLINQ

XNA Part harvesting
Add XNA references
Wrap Game class
Check whether the player is logged in
… and show login panel if not
Seek for active session
… and join it when found

XNA Part transplantation
Create new game instance
XNA services and components
Subscribe to game events
Run the game

XAML/WPF implantation
Create regular WPF Window
Create vector map and car
Bind to resources
And handle user’s input

WPF implantation
Create data dependency object, wraps XNA transplants
Mark roads on XAML vectors
Now we can find it by using LINQ
And even check bounds

Let’s see it running as WPF application with XNA implants

Now the time for…
… with WPF

But I want it anywhere! Core Framework Platform DirectX XDK .NET Framework .NET CF Networking Gamer Services WPF Base Services User Interface Services Audio Input & Eventing Accessibility XAML Data Binding Layout Controls Application services Deployment services Data LINQ XLINQ

WPF Parts harvesting
Harvest XAML “as is”
Add small Silverlight
Put it into ASP.NET AJAX page
… and connect it to XAML based “server”

ASP.NET AJAX implantation
Create Web Method to return current players list
Access the method from ASP.NET page with circular timer
… and update current players’ positions in XAML scene

Silverlight 1.0 implantation
Create XAML object in JavaScript
Create and add it to the Silverlight scene
… and update it’s properties from JavaScript, based on server side variables

Let’s see it playing together

Will it blend on… ?

Now the time for…
… with WPF

Let’s see the game on … Linux

Now the time for…
… with WPF

… and now on … mobile phone

Now the time for…
… with WPF

At the end – what others do?

Resources
Tamir’s blog http://blogs.microsoft.co.il/blogs/tamir
Alex’s blog http://blogs.microsoft.co.il/blogs/alex_golesh
XNA / WPF / Silverlight resources http://xna.com http://windowsclient.net http://silverlight.net
Next sessions in TechEd Israel DEV350 - The Hitchhiker's Guide to WPF Data Binding (Tomer Shamam) DEV432 - Building Composite WPF Applications Using Project Codename Prism (Glenn Block, Ohad Israeli)

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Creating A Game Using Microsoft’s Next Generation Technologies

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