InputAction

• Single input definition (jump, move, shoot)

• Can have multiple device bindings

• Has specific value type (Button/Value/Vector2)

• Processes input through interactions

• Can modify input through processors

Setup

• [SerializeField] InputActionAsset asset - Reference in Inspector

• [SerializeField] PlayerInput playerInput - Add component

• InputActionMap gameplayMap - Reference in script

• InputAction moveAction - Individual action reference

Action Map Setup

• Create: new InputActionMap("GameplayMap")

• Enable: gameplayMap.Enable()

• Disable: gameplayMap.Disable()

• Get Action: gameplayMap.FindAction("move")

InputAction Properties

• Name: Unique identifier

• Type: Button/Value/Vector2

• Control Scheme: Device grouping

• Interactions: Tap/Hold/Press

• Processors: Normalize/Invert/Scale

InputAction Phases

• Started: Input begins

• Performed: Input recognized

• Canceled: Input ends

Binding Syntax

• Single Key: "<Keyboard>/space"

• Modifiers: "<Keyboard>/leftShift+w"

• Mouse: "<Mouse>/position", "<Mouse>/scroll/y"

• Gamepad: "<Gamepad>/buttonSouth", "<Gamepad>/rightTrigger"

• Touch: "<Touchscreen>/touch*/position"

• VR: "<XRController>{RightHand}/trigger"

Input Reading Methods

• moveAction.ReadValue<Vector2>()

• shootAction.ReadValue<float>()

• jumpAction.IsPressed()

• jumpAction.WasPressedThisFrame()

• jumpAction.WasReleasedThisFrame()

Event System Methods

• moveAction.performed += OnMove

• moveAction.started += OnMoveStart

• moveAction.canceled += OnMoveEnd

• InputSystem.onDeviceChange += OnDeviceChange

• playerInput.onActionTriggered += OnAction

Required Function Implementations

• Awake(): Cache action references

• OnEnable(): Subscribe to events

• OnDisable(): Unsubscribe from events

• OnMove(CallbackContext): Handle input

• OnDestroy(): Cleanup

Runtime Checks Required

• Null action references

• Action enabled status

• Valid bindings exist

• Device connectivity

• Control scheme validity