TileUnloadQueue.h

#pragma once
 
#include <Cesium3DTilesSelection/Tile.h>
 
namespace Cesium3DTilesSelection {

class TileUnloadQueue {
public:
  TileUnloadQueue() noexcept = default;
  ~TileUnloadQueue() noexcept = default;
 
  TileUnloadQueue(const TileUnloadQueue&) = delete;
  TileUnloadQueue& operator=(const TileUnloadQueue&) = delete;
  TileUnloadQueue(TileUnloadQueue&&) noexcept = default;
  TileUnloadQueue& operator=(TileUnloadQueue&&) noexcept = default;

  void markEligible(Tile& tile) noexcept {
    if (!this->_queue.contains(tile)) {
      this->_queue.insertAtTail(tile);
    }
  }

  void markIneligible(Tile& tile) noexcept { this->_queue.remove(tile); }

  bool contains(const Tile& tile) const noexcept {
    return this->_queue.contains(tile);
  }

  Tile* head() noexcept { return this->_queue.head(); }

  Tile* next(Tile& tile) noexcept { return this->_queue.next(tile); }
 
private:
  Tile::UnusedLinkedList _queue;
};
 
} // namespace Cesium3DTilesSelection