// Copyright (c) 2023 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#include "VisualNovelTransformItemEvent.hpp"

using namespace Dawn;

VisualNovelTransformItemEvent::VisualNovelTransformItemEvent(
  VisualNovelManager *man,
  SceneItem *item,
  glm::vec3 start,
  glm::vec3 end,
  easefunction_t *ease,
  float_t duration
) : VisualNovelSimpleCallbackAnimationEvent<glm::vec3, Transform>(man) {
  assertNotNull(item);
  this->item = item;

  this->callbackAnimation.setCallback(
    &item->transform, &Transform::setLocalPosition
  );
  if(duration != 0) {
    this->callbackAnimation.addKeyframe(0.0f, start);
  }
  this->callbackAnimation.addKeyframe(duration, end);
}

VisualNovelTransformItemEvent::VisualNovelTransformItemEvent(
  VisualNovelManager *man,
  SceneItem *item,
  glm::vec3 end,
  easefunction_t *ease,
  float_t duration
) : VisualNovelSimpleCallbackAnimationEvent<glm::vec3, Transform>(man) {
  assertNotNull(item);
  this->item = item;

  this->callbackAnimation.setCallback(
    &item->transform, &Transform::setLocalPosition
  );
  
  if(duration != 0) this->relative = true;
  this->callbackAnimation.addKeyframe(duration, end);
}

void VisualNovelTransformItemEvent::onStart(IVisualNovelEvent *previous) {
  if(this->relative) {
    this->callbackAnimation.addKeyframe(0.0f, this->item->transform.getLocalPosition());
  }
  VisualNovelSimpleCallbackAnimationEvent::onStart(previous);
}