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ChilliSource PGConnects Master Class
- 1. © 2015 Chilli-Works. All rights reserved. Private and Confidential. Not for distribution without prior written consent of Chilli Works. Pocket Gamer Connects January 2015 Booth 118 @Chilli_Works www.chilli-works.com
- 3. What is Chilli Source? • Free, open-source game engine • Developed by game devs for game devs • Used to make real games for real companies @Chilli_Works
- 5. Why on earth did you make this? • Closed source issues • Wanted more control • Few alternatives • Started with a small core and built • Modernised @Chilli_Works
- 6. Why open source it? • Why not? • We had something good • Felt others could benefit • Fresh ideas, suggestions and perspectives @Chilli_Works
- 7. Why should I use it? • Take Control! • Cross platform. Mobile friendly • Modularity and consistency • We are committed! @Chilli_Works
- 8. Features • iOS, Android, Kindle Fire, Windows PC • 2D and 3D including skinned animation • Lighting and Shadows • Shaders • Networking • Audio • Powerful GUI @Chilli_Works
- 9. Pong • Quick example of building a game • Source engine - might be a bit dry! @Chilli_Works
- 10. Getting Started • Download engine from GitHub • https://github.com/ChilliWorks/ChilliSou rce • Create new project with Project Generator • Open with your favourite IDE @Chilli_Works
- 11. The Camera • Add Camera Component to Entity • Add Entity to Scene @Chilli_Works
- 12. The Arena: Model • Proprietary model format • convert from Collada • Models loaded through Resource Pool @Chilli_Works
- 13. The Arena: Material • Materials describe how an object is rendered • It’s texture, shading type, etc @Chilli_Works
- 14. The Arena: Rendering • Create Mesh Component from Model and Material and add to Entity • Very similar to creating Camera @Chilli_Works
- 16. The Player: Components • Add a player paddle • Rendered exactly the same as Arena • Custom logic component for movement @Chilli_Works
- 17. The Player: Input • Needs some input: Pointer System • Touch or Mouse input • Event based @Chilli_Works
- 19. The Rest • That’s it. • Can now easily add an opponent and ball • Once again same components for rendering • New logic components for ball and paddle AI @Chilli_Works
- 21. Samples • Samples • https://github.com/ChilliWorks/CSSampl es • Documentation • www.chilli-works.com @Chilli_Works
- 22. What do you want from us? • You! • Add features. Make fixes • Use it. Find bugs. Make suggestions • Check out chilli-works.com • Visit booth 118 • This is just the start… @Chilli_Works
- 23. © 2015 Chilli-Works. All rights reserved. Private and Confidential. Not for distribution without prior written consent of Chilli Works. QUESTIONS? • Booth 118 • @Chilli_Works • www.chilli-works.com
Editor's Notes
- Scott and Ian from Chilli Works Here to talk about open source game engine ChilliSource. What it is and master class
- New company branching from Tag Games. Started life as Tag Games tech team. Standing on or own. Launching tech suite Metrics and connect
- Free open source. Comparable to cocos and marmalade On git hub under MIT By game devs for game devs. On the front line not a tech bubble. Good pedigree.
- Big publishers Mixture of games
- Why not use existing solutions We never set out to make a game engine. Issues with closed source not working to the same time scales. We looked around for alternatives that met the criteria but there were none at the time. Started with tech we had and built. Over the last year we have modernised dramatically. We created something that was good.
- Wanted to take it to the next level. Marc says why not? Seems flippant but no compelling reasons against. Wanted to give back. We used it. Employees used it at home. Met our demands. Could meet others who are similar. Avoid tunnel vision. Fresh ideas outsiders perspective. We wanted collaboration.
- It’s free now and forever. Take control. Fork it. Have a say. Work to your timescales and demands. Cross platform. More platforms in the future. Built with mobile in mind. Modular, lightweight use what you need. Consistency. ChilliWorks and Tag committed. This is our day job and not a pet project. Good feedback from seeded studios.
- Features Including UI tool. Hand over to Ian for getting started building a 3d pong game.
- Hi, I’m Ian, Chilli Source dev. Scott explained a little about engine. I’ll demonstrate building a game using the engine: Simple pong game. Source engine so code snippets; might be dry.
- Download the engine. Create a project; provides everything needed for a new project; runs out of the box. No proprietary IDE; Open in your favourite, Visual Studio, Xcode or Eclipse. Build it and it should run; though just a blank screen.
- We’ve setup; now build a game. Add a camera. All objects entities Entities are transform and container for pieces of functionality. Functionality described through components. Components contain any logic related to a single object: Model renderer Player movement Enemy health. Common pattern, most modern engines use something similar. In this case we’re adding a camera. Camera is an entity with Camera Component. Code snippet: Render Component Factory: A system for all rendering related components, Models, sprites, particles. Application: A container for global systems. Create the component and attach to entity. Has no effect of world until added to scene.
- We can see, but nothing to look at: Add arena model. Proprietary model format: CSModel For performance. Only contains exactly what is needed to render the model, no fat. Data formatted for GPU. Important for mobile. Problem with proprietary formats: support. Solved: simple conversion tool from Collada. Collada universal support in 3D model packages: 3DS Max, Maya and Blender. Have model file, need to load into game. Resource Pool: Main purpose: cache resources so future loads use the existing version. Provides a consistent interfaces for all resource loading. Also provides other ways to load resources, such as asynchronous loading. Code Snippet: Simply get resource pool; again from Application. Call load resource.
- Also need material Describes how a model is rendered Texture, shading, blending mode Provides various methods of shading; different lighting types. Custom shaders. XML format. Basic example: Blinn-phong lighting. Single texture. Code snippet: Again, the resource pool is used to load the material.
- Now that we’ve got all the resources, we need to do some actual rendering. This is handled via components. Again Render Component Factory with model and factory. This should look very similar to Camera. Consistency core principles of the engine. Understand basic concepts, Entity, Component, Systems and Resources If you can load and render a model, you probably know how to load and render a particle effect.
- Run the game, can see model.
- Add some game play: Player Paddle. Rendered using the same concepts. For the player movement; need a custom logic component. Slightly more involved, but still easy. New class, inheriting from Component Provides a series of lifecycle events. Many more than in the example.
- The component will need to handle user input. Mouse/Touch input managed through the Pointer System. Uses our event system. Many aspects on the engine use events. Provide a means to listen for event; execute code. Code Snippet: Get pointer system; again from Application. Open a connection with the pointer moved event. Hold on to connection handle. Whenever the pointer moves, update position called. Simply moves the paddle up and down the screen with the pointer.
- Some movement!
- And that’s it really! The concepts shown here are pretty much everything needed to build a simple game. finish off pong: Add 2 new entities, opponent and a ball. Each are rendered in the same way as the last 2. New components for logic.
- And there you go: a simple pong game.
- The example here was based off sample project. The CSPong sample gives in-depth “tour” through the engine. The samples can be found in our samples repository at link. Also have tutorials and documentation on our website Covers this in more details, and more. Hand back to Scott.
- Thanks Ian. Piqued interest. Download after the talk. We came to raise awareness and also to build a community. Unlike others we are actively encouraging contributions. In all sizes. Shape it and drive it in direction you want. We are responsive and committed. Share experience and pool together. Important to recognise contributions. Visit us. Thank you Questions
- - Draw