yaze::TimingManager Class Reference

Provides accurate timing for animations and frame pacing. More...

#include <timing.h>

Public Member Functions
float	Update ()
	Update the timing manager (call once per frame)
float	GetDeltaTime () const
	Get the last frame's delta time in seconds.
float	GetFPS () const
	Get current FPS.
float	GetElapsedTime () const
	Get total elapsed time since first update.
void	Reset ()
	Reset the timing state.
void	BeginFrame ()
	Mark the start of a new frame for budget tracking.
float	GetFrameElapsedMs () const
	Get elapsed time within the current frame in milliseconds.
float	GetFrameBudgetRemainingMs () const
	Get remaining frame budget in milliseconds (targeting 60fps)

Static Public Member Functions
static TimingManager &	Get ()

Private Member Functions
	TimingManager ()
	TimingManager (const TimingManager &)=delete
TimingManager &	operator= (const TimingManager &)=delete

Private Attributes
uint64_t	frequency_
uint64_t	first_time_
uint64_t	last_time_
uint64_t	frame_start_time_ = 0
float	accumulated_time_
uint32_t	frame_count_
float	fps_
float	last_delta_time_

Detailed Description

Provides accurate timing for animations and frame pacing.

This class solves the issue where ImGui::GetIO().DeltaTime only updates when events are processed (mouse movement, etc). It uses SDL's performance counter to provide accurate timing regardless of input events.

Definition at line 18 of file timing.h.

Constructor & Destructor Documentation

TimingManager() [1/2]

yaze::TimingManager::TimingManager ( )

inlineprivate

Definition at line 117 of file timing.h.

References accumulated_time_, first_time_, fps_, frame_count_, frequency_, last_delta_time_, and last_time_.

TimingManager() [2/2]

yaze::TimingManager::TimingManager ( const TimingManager & )

privatedelete

Member Function Documentation

Get()

static TimingManager & yaze::TimingManager::Get ( )

inlinestatic

Definition at line 20 of file timing.h.

Referenced by yaze::Controller::DoRender(), yaze::gui::BackgroundRenderer::RenderDockingBackground(), yaze::editor::WelcomeScreen::Show(), and yaze::editor::EditorManager::Update().

Update()

float yaze::TimingManager::Update ( )

inline

Update the timing manager (call once per frame)

Returns

The delta time since last update in seconds

Definition at line 29 of file timing.h.

References accumulated_time_, fps_, frame_count_, frequency_, last_delta_time_, and last_time_.

Referenced by yaze::Controller::DoRender(), and yaze::editor::EditorManager::Update().

GetDeltaTime()

float yaze::TimingManager::GetDeltaTime ( ) const

inline

Get the last frame's delta time in seconds.

Definition at line 60 of file timing.h.

References last_delta_time_.

Referenced by yaze::editor::WelcomeScreen::Show().

GetFPS()

float yaze::TimingManager::GetFPS ( ) const

inline

Get current FPS.

Definition at line 65 of file timing.h.

References fps_.

GetElapsedTime()

float yaze::TimingManager::GetElapsedTime ( ) const

inline

Get total elapsed time since first update.

Definition at line 70 of file timing.h.

References first_time_, frequency_, and last_time_.

Reset()

void yaze::TimingManager::Reset ( )

inline

Reset the timing state.

Definition at line 80 of file timing.h.

References accumulated_time_, first_time_, fps_, frame_count_, frame_start_time_, last_delta_time_, and last_time_.

BeginFrame()

void yaze::TimingManager::BeginFrame ( )

inline

Mark the start of a new frame for budget tracking.

Definition at line 93 of file timing.h.

References frame_start_time_.

GetFrameElapsedMs()

float yaze::TimingManager::GetFrameElapsedMs ( ) const

inline

Get elapsed time within the current frame in milliseconds.

Returns

Milliseconds since BeginFrame() was called

Definition at line 101 of file timing.h.

References frame_start_time_, and frequency_.

Referenced by GetFrameBudgetRemainingMs().

GetFrameBudgetRemainingMs()

float yaze::TimingManager::GetFrameBudgetRemainingMs ( ) const

inline

Get remaining frame budget in milliseconds (targeting 60fps)

Returns

Milliseconds remaining before frame deadline

Definition at line 111 of file timing.h.

References GetFrameElapsedMs().

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operator=()

TimingManager & yaze::TimingManager::operator= ( const TimingManager & )

privatedelete

Member Data Documentation

frequency_

uint64_t yaze::TimingManager::frequency_

private

Definition at line 127 of file timing.h.

Referenced by GetElapsedTime(), GetFrameElapsedMs(), TimingManager(), and Update().

first_time_

uint64_t yaze::TimingManager::first_time_

private

Definition at line 128 of file timing.h.

Referenced by GetElapsedTime(), Reset(), and TimingManager().

last_time_

uint64_t yaze::TimingManager::last_time_

private

Definition at line 129 of file timing.h.

Referenced by GetElapsedTime(), Reset(), TimingManager(), and Update().

frame_start_time_

uint64_t yaze::TimingManager::frame_start_time_ = 0

private

Definition at line 130 of file timing.h.

Referenced by BeginFrame(), GetFrameElapsedMs(), and Reset().

accumulated_time_

float yaze::TimingManager::accumulated_time_

private

Definition at line 131 of file timing.h.

Referenced by Reset(), TimingManager(), and Update().

frame_count_

uint32_t yaze::TimingManager::frame_count_

private

Definition at line 132 of file timing.h.

Referenced by Reset(), TimingManager(), and Update().

fps_

float yaze::TimingManager::fps_

private

Definition at line 133 of file timing.h.

Referenced by GetFPS(), Reset(), TimingManager(), and Update().

last_delta_time_

float yaze::TimingManager::last_delta_time_

private

Definition at line 134 of file timing.h.

Referenced by GetDeltaTime(), Reset(), TimingManager(), and Update().

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

• src/app/platform/timing.h