InputManager Class Reference

Singleton class that handles global input state. More...

#include <src/app/InputManager.h>

Collaboration diagram for InputManager:

Public Member Functions
void	Init (GLFWwindow *pWindow)
	Initializes input callbacks for the specified window.
void	Update ()
	Updates internal state (previous keys, mouse delta) at the start of a frame.
bool	IsKeyPressed (int iKey) const
bool	IsKeyJustPressed (int iKey) const
bool	IsMouseButtonPressed (int iButton) const
Core::Vec3	GetMousePosition () const
Core::Vec3	GetMouseDelta () const
double	GetScroll () const

Static Public Member Functions
static InputManager &	GetInstance ()
	Retrieves the singleton instance.
static void	FrameBufferSizeCallback (GLFWwindow *window, int width, int height)

Private Member Functions
	InputManager ()=default

Static Private Member Functions
static void	keyCallback (GLFWwindow *pWindow, int iKey, int iScanCode, int iAction, int iMods)
static void	mouseButtonCallback (GLFWwindow *pWindow, int iButton, int iAction, int iMods)
static void	mousePosCallback (GLFWwindow *pWindow, double dXPos, double dYPos)
static void	scrollCallback (GLFWwindow *pWindow, double dXOffset, double dYOffset)

Private Attributes
bool	m_bKeys [1024] = {false}
bool	m_bPrevKeys [1024] = {false}
bool	m_bButtons [8] = {false}
Core::Vec3	m_objMousePosition
Core::Vec3	m_objMousePrevPosition
Core::Vec3	m_objMouseDelta
double	m_dScrollY = 0.0
bool	m_bFirstMouse = false

Detailed Description

Singleton class that handles global input state.

Constructor & Destructor Documentation

InputManager()

InputManager::InputManager ( )

privatedefault

Member Function Documentation

FrameBufferSizeCallback()

void InputManager::FrameBufferSizeCallback ( GLFWwindow *  window, int  width, int  height  )

static

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GetInstance()

static InputManager & InputManager::GetInstance ( )

inlinestatic

Retrieves the singleton instance.

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GetMouseDelta()

Core::Vec3 InputManager::GetMouseDelta ( ) const

inline

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GetMousePosition()

Core::Vec3 InputManager::GetMousePosition ( ) const

inline

GetScroll()

double InputManager::GetScroll ( ) const

inline

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Init()

void InputManager::Init

(

GLFWwindow *

pWindow

)

Initializes input callbacks for the specified window.

Parameters

pWindow

The GLFW window handle.

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IsKeyJustPressed()

bool InputManager::IsKeyJustPressed

(

int

iKey

)

const

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IsKeyPressed()

bool InputManager::IsKeyPressed

(

int

iKey

)

const

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IsMouseButtonPressed()

bool InputManager::IsMouseButtonPressed

(

int

iButton

)

const

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keyCallback()

void InputManager::keyCallback ( GLFWwindow *  pWindow, int  iKey, int  iScanCode, int  iAction, int  iMods  )

staticprivate

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mouseButtonCallback()

void InputManager::mouseButtonCallback ( GLFWwindow *  pWindow, int  iButton, int  iAction, int  iMods  )

staticprivate

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mousePosCallback()

void InputManager::mousePosCallback ( GLFWwindow *  pWindow, double  dXPos, double  dYPos  )

staticprivate

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scrollCallback()

void InputManager::scrollCallback ( GLFWwindow *  pWindow, double  dXOffset, double  dYOffset  )

staticprivate

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Update()

void InputManager::Update

(

)

Updates internal state (previous keys, mouse delta) at the start of a frame.

Note

Must be called BEFORE glfwPollEvents() for IsKeyJustPressed to work correctly.

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Member Data Documentation

m_bButtons

bool InputManager::m_bButtons[8] = {false}

private

m_bFirstMouse

bool InputManager::m_bFirstMouse = false

private

m_bKeys

bool InputManager::m_bKeys[1024] = {false}

private

m_bPrevKeys

bool InputManager::m_bPrevKeys[1024] = {false}

private

m_dScrollY

double InputManager::m_dScrollY = 0.0

private

m_objMouseDelta

Core::Vec3 InputManager::m_objMouseDelta

private

m_objMousePosition

Core::Vec3 InputManager::m_objMousePosition

private

m_objMousePrevPosition

Core::Vec3 InputManager::m_objMousePrevPosition

private

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The documentation for this class was generated from the following files:

• src/app/InputManager.h
• src/app/InputManager.cpp