cpp-danmaku/include/danmaku/level.hpp

//
//  level.hpp
//  danmaku
//
//  Created by Sam Jaffe on 5/26/19.
//  Copyright © 2019 Sam Jaffe. All rights reserved.
//

#pragma once

#include "game/engine/scene.hpp"

#include <deque>
#include <json/forwards.h>
#include <memory>
#include <vector>

namespace danmaku {
  class actor;
  class bullet;
  class player;
  class level : public engine::scene {
  public:
    level(std::string const & id, Json::Value const & json,
          std::shared_ptr<engine::game_dispatch>);
    level(Json::Value const & json, std::shared_ptr<engine::game_dispatch>);
    ~level();
    void update(float delta) override;
    void render() override;

    void set_player(player * p) { player_ = p; }
    void add_bullet(bullet b);

  private:
    template <typename T>
    void perform_oob_culling_impl(std::vector<std::unique_ptr<T>> &);
    void perform_oob_culling();
    void update_waves(float delta);
    void update_object(float delta);
    void check_collisions();

  private:
    player * player_;
    std::vector<std::unique_ptr<actor>> actors_;
    std::vector<std::unique_ptr<bullet>> bullets_;

    struct {
      float const interval;
      float remainder{0.f};
    } wave_timer_;
    std::deque<std::vector<std::unique_ptr<actor>>> waves_;
  };
}