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

#include "EntityMove.hpp"

using namespace Dawn;

EntityMove::EntityMove(SceneItem* item) : SceneItemComponent(item) {
  
}

std::vector<SceneItemComponent*> EntityMove::getDependencies() {
  return {
    (characterController = item->getComponent<CharacterController2D>()),
    (this->entityHealth = item->getComponent<EntityHealth>()),
  };
}

void EntityMove::onStart() {
  assertNotNull(this->characterController);
  assertNotNull(this->entityHealth);

  useEvent([&](float_t delta) {
    // Don't move if stunned or attacking.
    if(entityHealth->isStunned()) return;

    // Don't move if no move.
    if(direction.x == 0 && direction.y == 0) return;
    
    // Move
    float_t angle = atan2(direction.y, direction.x);
    glm::vec2 movement(cosf(angle), sinf(angle));
    transform->setLocalRotation(glm::quat(glm::vec3(0, -angle + 1.5708f, 0)));
    characterController->velocity += movement * delta * moveSpeed;
  }, getScene()->eventSceneUpdate);
}