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/*
 * Copyright 2022 Frederico de Oliveira Linhares
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CANDY_GEAR_VK_VIEW_2D_H
#define CANDY_GEAR_VK_VIEW_2D_H 1

#include <memory>
#include <unordered_map>
#include <vector>

#include "core.hpp"
#include "sprite.hpp"

namespace VK
{

struct View2D
{
  glm::vec4 region;

  // FIXME: if these vectors get resized, they can cause a segmentation fault!
  std::vector<UniformBuffer> ub_2d;

  VkDescriptorPool descriptor_pool;
  std::vector<VkDescriptorSet> descriptor_sets_2d;

  std::vector<
    std::unordered_map<std::shared_ptr<Sprite>, std::vector<glm::vec4>>>
  sprites_to_draw;

  View2D(glm::vec4 region);
  virtual ~View2D();

  void
  virtual load_descriptor_sets(VkDescriptorPool descriptor_pool);

  void
  virtual unload_descriptor_sets();

protected:
  static const CommandChain loader, descriptor_sets_loader;
};

}

#endif /* CANDY_GEAR_VK_VIEW_2D_H */