Game Development Essentials

2. The Content • Simple AI • Simple physics • Particle System • Level Creation • Player Classes • Network play • 3D sound • Animated models

3. Program layout • WARMain • Window and program main entry point • WARApplication • Handles more game specific stuff • Takes care of DirectX, updates managers etc • Game states • Takes care of the current state’s logic

4. Game States • BaseGameState • Init(), Deinit(), Update(), Render(), Input() • KeyDown()… MouseClicked()… • OnLostDevice(), OnResetDevice() • Reference to an Application object • Application works as a game state manager • Intro, Menu, Game, Level Editor

5. Particle System • Particle • Pos, Vel, Acc, Size, Color etc • Particle System • Collection of particles and settings • Updates particles, kills, respawns • Particle Manager • Collection of particle systems • Updates, renders and removes

6. Network • NetworkManager • Client & Server in one • Start(), Stop(), Send(), Read() • Messages • BaseNetworkMessage • Message ID • Encode() – Writes data into a stream • Decode() – Retrieves data from the stream • DerivedNetworkMessage overrides

7. Basic Network Loop • While(Network.Read()) • Switch(Message.ID) • Case Update: • Message.Decode() • DoUpdate() • Send messages • Create new message and assign ID • NewMessage.Encode() • Network.Send(NewMessage, SendType, Connection)

8. AI • States • Patrol • Attack • Investigate • Idle • Find Cover • Reload

9. The Playables • Four very different classes • Engineer • Medic • Soldier • Spy

10. Level Editor • Construct Levels On the Fly • Easy to learn and use.

11. Object Hierarchy

12. GUI

13. Problems • Animated Meshes • X exporter (Panda, Official, Maya) • Networking Sync • GUI • Wallhack

14. Further Work • Redesign a few classes • Improve AI • FX Shaders • Buildings • Multitexturing for tilemap • Graphical HUD • Missions • Improved physics (OBB) • Scripts

15. Questions ? The end