One of the main features of using design patterns is the idea of always programming to an interface and not to an implementation. In other words, the top of any class hierarchy should have an abstract class or an interface.
An Introduction to interfaces
by Matt Casanova, John P. Doran
Game Development Patterns and Best Practices
- Preface
- Introduction to Design Patterns
- One Instance to Rule Them All - Singletons
- Chapter overview
- Your objective
- An overview on class access specifiers
- The static keyword
- Pros and cons of global variables
- What is a Singleton?
- Learning about templates
- Templatizing Singletons
- Advantages/disadvantages of using only one instance
- The Singleton in action - the Application class
- Summary
- Creating Flexibility with the Component Object Model
- Artificial Intelligence Using the State Pattern
- Decoupling Code via the Factory Method Pattern
- Creating Objects with the Prototype Pattern
- Improving Performance with Object Pools
- Controlling the UI via the Command Pattern
- Decoupling Gameplay via the Observer Pattern
- Sharing Objects with the Flyweight Pattern
- Understanding Graphics and Animation
- Best Practices
An Introduction to interfaces
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