// Copyright (c) 2024 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#pragma once
#include "dawn.hpp"

namespace Dawn {
  class Game;

  class PhysicsManager final {
    private:
      std::weak_ptr<Game> game;

    protected:
      JPH::PhysicsSystem physicsSystem;
      std::shared_ptr<JPH::TempAllocatorImpl> tempAllocator;
      std::shared_ptr<JPH::JobSystemThreadPool> jobSystem;

    public:

      /**
       * Gets the game associated with the PhysicsManager.
       * 
       * @return The game associated with the PhysicsManager.
       */
      std::shared_ptr<Game> getGame();

      /**
       * Gets the JoltPhysics body interface system.
       * 
       * @return The JoltPhysics body interface system.
       */
      JPH::BodyInterface & getBodyInterface();

      /**
       * Initializes the PhysicsManager.
       * 
       * @param game The game to initialize the PhysicsManager with.
       */
      void init(const std::shared_ptr<Game> &game);

      /**
       * Updates the PhysicsManager.
       */
      void update();

      /**
       * Deconstructs the PhysicsManager.
       */
      ~PhysicsManager();
  };
}