eve::Duration类 参考

Signed, fixed-resolution simulation duration in nanoseconds. 更多...

#include <Time.h>

Public 成员函数
constexpr	Duration () noexcept=default
	Construct a zero duration.
constexpr	Duration (std::int64_t nanoseconds) noexcept
	Construct a duration from exact nanoseconds.
constexpr std::int64_t	nanoseconds () const noexcept
	Return the exact signed nanosecond representation.
double	seconds () const noexcept
	Return this duration as seconds for legacy/presentation APIs.
constexpr bool	isZero () const noexcept
	Whether this duration is exactly zero.
Result< Duration >	tryAdd (Duration other) const
	Add two durations with overflow validation.
Result< Duration >	scaled (double rate) const
	Scale a duration by a finite non-negative rate.

静态 Public 成员函数
static constexpr Duration	fromNanoseconds (std::int64_t nanoseconds) noexcept
	Construct an exact duration from nanoseconds.
static constexpr Duration	zero () noexcept
	Return zero duration.
static Result< Duration >	fromSeconds (double seconds)
	Convert finite seconds to the nearest nanosecond.

友元
constexpr bool	operator== (Duration, Duration) noexcept=default
constexpr auto	operator<=> (Duration, Duration) noexcept=default
	Operator <=>.

详细描述

Signed, fixed-resolution simulation duration in nanoseconds.

The integer representation avoids accumulating binary floating-point frame error in deterministic state. Conversion from seconds validates finiteness and range and returns a checked Result.

在文件 Time.h 第 43 行定义.

构造及析构函数说明

Duration() [1/2]

constexpr eve::Duration::Duration ( )

constexprdefaultnoexcept

Construct a zero duration.

被这些函数引用 fromSeconds(), scaled() , 以及 tryAdd().

Duration() [2/2]

constexpr eve::Duration::Duration ( std::int64_t  nanoseconds )

inlineexplicitconstexprnoexcept

Construct a duration from exact nanoseconds.

参数

nanoseconds

Signed nanosecond value in this duration domain.

在文件 Time.h 第 52 行定义.

成员函数说明

fromNanoseconds()

static constexpr Duration eve::Duration::fromNanoseconds ( std::int64_t  nanoseconds )

inlinestaticconstexprnoexcept

Construct an exact duration from nanoseconds.

在文件 Time.h 第 55 行定义.

被这些函数引用 eve::action::ActionTimeline::activeBlocks(), eve::action::ActionRuntime::advance(), eve::production::WorkQueue::advance(), eve::combat::HitFeelRuntime::advance(), eve::action::AbilityRuntime::advanceCooldowns(), eve::editor::ActionTimelineEditor::alignSelectionEnd(), eve::editor::ActionTimelineEditor::alignSelectionStart(), eve::combat::HitFeelRuntime::applyFromOutcome(), eve::production::WorkQueue::contribute(), eve::climbing::decodeClimbingActionDefinition(), eve::animation::MontagePlayer::evaluateSectionProgress(), eve::editor::ActionTimelinePayloadEditor::fitClipToBlock(), eve::action::ActionTimeline::fromValue(), eve::animation::MontagePlayer::jumpToTime(), eve::editor::ActionTimelineWidget::layout(), eve::editor::ActionTimelineWidget::pan(), eve::production::WorkQueue::predict(), eve::animation::MontagePlayer::present(), eve::animation::MontagePlayer::reloadClips(), eve::animation::MontagePlayer::replaceClip(), eve::climbing::ClimbingRuntime::restore(), eve::editor::ActionTimelineEditor::scaleSelection(), eve::SimulationClock::SimulationClock(), eve::timer::Timer::Timer() , 以及 eve::editor::ActionTimelineWidget::zoom().

fromSeconds()

Result< Duration > eve::Duration::fromSeconds ( double  seconds )

static

Convert finite seconds to the nearest nanosecond.

返回

A checked duration, or Rejected for non-finite/out-of-range input.

在文件 Time.cpp 第 16 行定义.

引用了 Duration(), eve::Result< T >::failure(), maximum, minimum, nanoseconds(), seconds() , 以及 eve::Result< T >::success().

被这些函数引用 eve::particles_graphics_editing::ParticleEmitterOffscreenPresenter::draw(), eve::production::WorkQueue::enqueue(), eve::climbing::exposeClimbingMotionBindings(), eve::daynight::exposeSkyScriptBindings(), eve::editor::ActionTimelinePayloadEditor::fitBlockToClip(), eve::editor::ActionTimelineEditor::frameStepTarget(), eve::action::ActionCameraCueBinding::fromPayload(), eve::action::ActionPrefabSpawnBinding::fromPayload(), eve::editor::ActionTimelineWidget::inspectSelection(), eve::rts::RTSProjectileSystem::launch(), eve::animation::detail::legacyStep(), eve::editor::ActionTimelineTarget::makeSet(), eve::particles::ParticleEffect::naturalDuration(), eve::rts::RTS::queueScriptResearch(), eve::rts::RTS::queueScriptUnit(), eve::rts::RTSLockstep::RTSLockstep(), eve::scene_editor::ScenePhysicsPlacementBackend::step(), eve::rts::RTS::stepScript(), eve::effects::EffectContainer::update(), eve::animation::Animation::update(), eve::animation::AnimPlayer::update(), eve::animation::AnimStateMachine::update(), eve::particles::ParticleSimSystem::update() , 以及 eve::particles::ParticleEffect::updateTimeline().

isZero()

constexpr bool eve::Duration::isZero ( ) const

inlineconstexprnoexcept

Whether this duration is exactly zero.

在文件 Time.h 第 75 行定义.

被这些函数引用 eve::action::ActionRuntime::advance(), eve::combat::HitFeelRuntime::advance(), eve::combat::CombatAttributeRuntime::advance(), eve::action::AbilityRuntime::advanceCooldowns(), eve::action::ActionTimeline::fromValue(), eve::weapon::ProjectileRuntime::update() , 以及 eve::weapon::CombatCarrierRuntime::update().

nanoseconds()

constexpr std::int64_t eve::Duration::nanoseconds ( ) const

inlineconstexprnoexcept

Return the exact signed nanosecond representation.

在文件 Time.h 第 69 行定义.

被这些函数引用 eve::action::ActionTimeline::activeBlocks(), eve::action::ActionRuntime::advance(), eve::combat::HitFeelRuntime::advance(), eve::SimulationClock::advance(), eve::action::AbilityRuntime::advanceCooldowns(), eve::production::WorkQueue::advanceTo(), eve::editor::ActionTimelineEditor::alignSelectionEnd(), eve::production::WorkQueue::contribute(), fromSeconds(), eve::editor::ActionTimelineWidget::layout(), eve::editor::ActionTimelineWidget::pan(), eve::animation::MontagePlayer::physicalSectionProgress(), eve::animation::MontagePlayer::present(), eve::animation::MontagePlayer::reloadClips(), eve::animation::MontagePlayer::replaceClip(), scaled(), eve::SimulationClock::setFixedStep(), eve::SimulationClock::SimulationClock(), eve::rts::RTSLockstep::step(), eve::action::ActionDefinition::validate() , 以及 eve::action::ActionTimeline::validate().

scaled()

Result< Duration > eve::Duration::scaled

(

double

rate

)

const

Scale a duration by a finite non-negative rate.

返回

A checked rounded duration, or Rejected for invalid/range input.

在文件 Time.cpp 第 37 行定义.

引用了 Duration(), eve::Result< T >::failure(), maximum, minimum, nanoseconds(), rate , 以及 eve::Result< T >::success().

被这些函数引用 eve::SimulationClock::advance().

seconds()

double eve::Duration::seconds ( ) const

noexcept

Return this duration as seconds for legacy/presentation APIs.

在文件 Time.cpp 第 28 行定义.

被这些函数引用 eve::combat::CombatAttributeRuntime::advance(), eve::animation::MontagePlayer::advanceBlendOut(), eve::weapon::encodeCarrierRecipe(), eve::fluids::FluidSurfaceConstraintAdapter::evaluate(), eve::editor::ActionTimelinePayloadEditor::fitClipToBlock(), eve::action::ActionCameraCueBinding::fromPayload(), fromSeconds(), eve::timer::Timer::getDelta(), eve::animation::MontagePlayer::present(), eve::editor::ActionTimelineTarget::read(), eve::fluids::FluidSimulationAdapter::step(), eve::fluids::FluidSimulator::step(), eve::physics::Cloth::step(), eve::physics::Cloth3D::step(), eve::physics::ClothGPU::step(), eve::physics::SoftBody3D::step(), eve::weapon::ProjectileRuntime::update() , 以及 eve::weapon::CombatCarrierRuntime::update().

tryAdd()

Result< Duration > eve::Duration::tryAdd

(

Duration

other

)

const

Add two durations with overflow validation.

返回

A checked sum, or Rejected if the signed range would overflow.

在文件 Time.cpp 第 30 行定义.

引用了 Duration(), eve::Result< T >::failure() , 以及 eve::Result< T >::success().

被这些函数引用 eve::SimulationClock::advance(), eve::animation::MontagePlayer::advanceBlendOut(), eve::weapon::CombatCarrierRuntime::update() , 以及 eve::action::ActionDefinition::validate().

zero()

static constexpr Duration eve::Duration::zero ( )

inlinestaticconstexprnoexcept

Return zero duration.

在文件 Time.h 第 60 行定义.

被这些函数引用 eve::action::AbilityRuntime::activate(), eve::action::ActionTimeline::activeBlocks(), eve::editor::ActionTimelineEditor::addSectionSplit(), eve::editor::ActionTimelineWidget::addStateAtCursor(), eve::action::ActionRuntime::advance(), eve::combat::CombatCharacterRuntime::advance(), eve::combat::CombatLocomotionRuntime::advance(), eve::combat::HitFeelRuntime::advance(), eve::combat::CombatAttributeRuntime::advance(), eve::animation::MontagePlayer::advanceBlendOut(), eve::action::AbilityRuntime::advanceCooldowns(), eve::combat::HitFeelRuntime::apply(), eve::combat::CombatCharacterRuntime::applyStun(), eve::animation::MontagePlayer::beginBlendOut(), eve::editor::ActionTimelineEditor::boxSelect(), eve::action::ActionRuntime::cancel(), eve::climbing::ClimbingRuntime::climbUp(), eve::editor::ActionTimelineEditor::editItem(), eve::weapon::encodeCarrierRecipe(), eve::action::ActionTimeline::fromValue(), eve::timer::Timer::getDeltaDuration(), eve::action::AbilityRuntime::grant(), eve::combat::HitFeelRuntime::isFrozen(), eve::combat::HitFeelRuntime::isStunned(), eve::animation::MontagePlayer::jumpToTime(), eve::editor::ActionTimelineWidget::pan(), eve::editor::ActionTimelineEditor::planPreview(), eve::animation::MontagePlayer::play(), eve::animation::MontagePlayer::prepare(), eve::animation::MontagePlayer::present(), eve::editor::ActionTimelineEditor::reloadDocument(), eve::SimulationClock::reset(), eve::editor::ActionTimelineEditor::resizeState(), eve::SimulationClock::sample(), eve::action::ActionTimeline::sample(), eve::editor::AnimationRootMotionPreviewSource::sampleRootMotion(), eve::editor::ActionTimelineEditor::scaleSelection(), eve::action::ActionTimeline::sectionRange(), eve::editor::ActionPreviewController::seek(), eve::editor::ActionTimelineEditor::seek(), eve::editor::ActionTimelineEditor::setSectionSplit(), eve::editor::ActionTimelineWidget::setSnapInterval(), eve::editor::ActionTimelineWidget::setVisibleRange(), eve::combat::HitFeelRuntime::state(), eve::editor::ActionPreviewController::stop(), eve::editor::ActionTimelineEditor::stop(), eve::animation::MontagePlayer::stop(), eve::climbing::ClimbingRuntime::transitionAnchor(), eve::weapon::ProjectileRuntime::update(), eve::weapon::CombatCarrierRuntime::update(), eve::action::AbilityDefinition::validate(), eve::action::ActionTimeline::validate(), eve::combat::HitFeelRequest::validate(), eve::weapon::CarrierRecipe::validate(), eve::weapon::ProjectileDefinition::validate() , 以及 eve::editor::ActionTimelineWidget::zoom().

友元及相关函数文档

operator<=>

constexpr auto operator<=> ( Duration  , Duration    )

friend

Operator <=>.

operator==

constexpr bool operator== ( Duration  , Duration    )

friend

---

该类的文档由以下文件生成:

• src/engine/common/Time.h
• src/engine/common/Time.cpp