Chapter 3 - InputSprocket
InputSprocket is the part of Apple Game Sprockets that your application can use to match up game controls with existing device controls, configure device controls, and track data from device controls.Before reading about InputSprocket, you should be generally familiar with Apple Game Sprockets, as described in the preface to this book. Both game developers and developers of input devices can benefit from using InputSprocket. This chapter focuses on game applications. Developers of input devices should also consult the driver-specific information found on Apple's Web site.
This chapter begins by describing the basic capabilities of InputSprocket. Then it shows how to use some of those capabilities for such tasks as choosing the best display for your game, creating overlays and underlays, transitioning into the game, double and triple buffered drawing, cleaning up before quitting, and debugging. The section "InputSprocket Reference" (page 3-17), provides a complete reference to the constants, data structures, and functions provided by InputSprocket in the InputSprocket.h file. (The InputSprocketDriver.h file reference is available on Apple's Web site.) For a list of constants, data structures, and functions see the section "Summary of InputSprocket" (page 3-60).
- Note
- This chapter describes the application programming interfaces supported by versions 1.0 and later of InputSprocket.
Chapter Contents
- About InputSprocket
- Elements
- Device Configuration
- Game Configuration
- Obtaining Data During Play
- Using InputSprocket
- Initializing Need Structures and Allocating Virtual Elements
- Building an Element List
- Processing Input Data During Play
- Turning the Keyboard and Mouse On and Off
- InputSprocket Reference
- Constants
- Built-in Device Categories
- Built-in Element Kinds
- Built-in Element Labels
- Button Element Data Information
- Directional Pad Element Data Information
- Axis Element Data Information
- Need Flags
- Virtual Element Flag
- Element List Flag
- Resource Types
- Data Structures
- Device Definition Structure
- Element Information Structure
- Button Configuration Information Structure
- Directional Pad Configuration Information Structure
- Axis Configuration Information Structure
- Movement Data Structure
- Element Event Data Structure
- Need Structure
- InputSprocket Functions
- Configuring the Application
- Obtaining Data From Elements
- Managing Element Lists
- Resources
- The InputSprocket Set Resource
- The InputSprocket Set List Resource
- Summary of InputSprocket
- Constants
- Built-in Device Categories
- Built-in Element Kinds
- Built-in Element Labels
- Button Element Data Information
- Directional Pad Element Data Information
- Axis Element Data Information
- Need Flags
- Virtual Element Flag
- Element List Flag
- Resource Types
- Data Types
- Device Definition Structure
- Element Information Structure
- Button Configuration Information Structure
- Directional Pad Configuration Information Structure
- Axis Configuration Information Structure
- Movement Data Structure
- Element Event Data Structure
- Need Structure
- InputSprocket Functions
- Configuring the Application
- Obtaining Data From Elements
- Managing Element Lists
- Result Codes
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