axmol/extensions/DragonBones/animation/WorldClock.cpp

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2021-12-24 21:11:44 +08:00
#include "WorldClock.h"
DRAGONBONES_NAMESPACE_BEGIN
WorldClock WorldClock::clock;
void WorldClock::advanceTime(float passedTime)
{
if (passedTime < 0.0f || passedTime != passedTime)
{
passedTime = 0.0f;
}
const auto currentTime = 0.0f;
if (passedTime < 0.0f)
{
passedTime = currentTime - _systemTime;
}
_systemTime = currentTime;
if (timeScale != 1.0f)
{
passedTime *= timeScale;
}
if (passedTime == 0.0f)
{
return;
}
if (passedTime < 0.0f)
{
time -= passedTime;
}
else
{
time += passedTime;
}
std::size_t i = 0, r = 0, l = _animatebles.size();
for (; i < l; ++i)
{
const auto animatable = _animatebles[i];
if (animatable != nullptr)
{
if (r > 0)
{
_animatebles[i - r] = animatable;
_animatebles[i] = nullptr;
}
animatable->advanceTime(passedTime);
}
else
{
r++;
}
}
if (r > 0)
{
l = _animatebles.size();
for (; i < l; ++i)
{
const auto animateble = _animatebles[i];
if (animateble != nullptr)
{
_animatebles[i - r] = animateble;
}
else
{
r++;
}
}
_animatebles.resize(l - r);
}
}
bool WorldClock::contains(const IAnimatable* value) const
{
if (value == this) {
return false;
}
auto ancestor = value;
while (ancestor != this && ancestor != nullptr)
{
ancestor = ancestor->getClock();
}
return ancestor == this;
}
void WorldClock::add(IAnimatable* value)
{
if (std::find(_animatebles.begin(), _animatebles.end(), value) == _animatebles.end())
{
_animatebles.push_back(value);
value->setClock(this);
}
}
void WorldClock::remove(IAnimatable* value)
{
const auto iterator = std::find(_animatebles.begin(), _animatebles.end(), value);
if (iterator != _animatebles.end())
{
*iterator = nullptr;
value->setClock(nullptr);
}
}
void WorldClock::clear()
{
for (const auto animatable : _animatebles)
{
if (animatable != nullptr)
{
animatable->setClock(nullptr);
}
}
}
void WorldClock::setClock(WorldClock* value)
{
if (_clock == value)
{
return;
}
if (_clock != nullptr)
{
_clock->remove(this);
}
_clock = value;
if (_clock != nullptr)
{
_clock->add(this);
}
}
DRAGONBONES_NAMESPACE_END