src/animation/nested_linear_animation.cpp

#include "rive/animation/nested_linear_animation.hpp"
#include "rive/animation/linear_animation_instance.hpp"

using namespace rive;

NestedLinearAnimation::NestedLinearAnimation() {}
NestedLinearAnimation::~NestedLinearAnimation() {}

void NestedLinearAnimation::initializeAnimation(ArtboardInstance* artboard)
{
  initializeAnimation(artboard, artboard->animation(animationId()));
}

void NestedLinearAnimation::initializeAnimation(
    ArtboardInstance* artboard,
    const LinearAnimation* animation)
{
  m_AnimationInstance = animation ? std::make_unique<LinearAnimationInstance>(
                                        animation,
                                        artboard)
                                  : nullptr;
}

void NestedLinearAnimation::releaseDependencies()
{
  // m_AnimationInstance holds m_artboardInstance = the NestedArtboard's
  // mounted m_Instance, and ~NestedArtboard frees that instance immediately
  // after calling this. ~LinearAnimationInstance dereferences the pointer
  // (removeDataBind for scripted-interpolator and data-bound-keyframe
  // clones), so the instance has to die here rather than later, when the
  // parent artboard deletes us from its m_Objects. Mirrors
  // NestedStateMachine::releaseDependencies.
  m_AnimationInstance.reset(nullptr);
}