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

#include "UIComponent.hpp"

using namespace Dawn;

std::vector<std::shared_ptr<UIComponent>> UIComponent::getChildren() {
  return {};
}

std::vector<struct UIQuad> UIComponent::getQuads(
  const glm::mat4 parent
) {
  // Get self transform
  glm::mat4 transform = glm::translate(
    glm::mat4(1.0f), glm::vec3(position, 0.0f)
  );

  // Add parent transform
  transform = parent * transform;

  // Get self quads and insert new transform.
  std::vector<struct UIQuad> quads;
  auto selfQuads = this->getSelfQuads(transform);

  // Get children
  auto children = getChildren();
  for(auto &c : children) {
    auto childQuads = c->getQuads(transform);
    quads.insert(quads.end(), childQuads.begin(), childQuads.end());
  }

  return quads;
}