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#pragma once
#include "../facade/SDLContext.h"
#include "../manager/ComponentManager.h"
#include "../manager/ReplayManager.h"
#include "../manager/ResourceManager.h"
#include "../manager/ResourceManager.h"
#include "../manager/SaveManager.h"
#include "../manager/SceneManager.h"
#include "../system/System.h"
#include "LoopTimer.h"
namespace crepe {
/**
* \brief Main game loop manager
*
* This class is responsible for managing the game loop, including initialization and updating.
*/
class LoopManager {
public:
void start();
LoopManager();
/**
* \brief Add a new concrete scene to the scene manager
*
* \tparam T Type of concrete scene
*/
template <typename T>
void add_scene();
private:
/**
* \brief Setup function for one-time initialization.
*
* This function initializes necessary components for the game.
*/
void setup();
/**
* \brief Main game loop function.
*
* This function runs the main loop, handling game updates and rendering.
*/
void loop();
/**
* \brief Per-frame update.
*
* Updates the game state based on the elapsed time since the last frame.
*/
void frame_update();
/**
* \brief Fixed update executed at a fixed rate.
*
* This function updates physics and game logic based on LoopTimer's fixed_delta_time.
*/
void fixed_update();
bool game_running = false;
private:
//! Global context
Mediator mediator;
//! Component manager instance
ComponentManager component_manager{mediator};
//! Scene manager instance
SceneManager scene_manager{mediator};
//! Resource manager instance
ResourceManager resource_manager{mediator};
//! Save manager instance
SaveManager save_manager{mediator};
//! SDLContext instance
SDLContext sdl_context{mediator};
//! LoopTimer instance
LoopTimer loop_timer{mediator};
//! ReplayManager instance
ReplayManager replay_manager{mediator};
private:
/**
* \brief Collection of System instances
*
* This map holds System instances indexed by the system's class typeid. It is filled in the
* constructor of \c LoopManager using LoopManager::load_system.
*/
std::unordered_map<std::type_index, std::unique_ptr<System>> systems;
/**
* \brief Initialize a system
* \tparam T System type (must be derivative of \c System)
*/
template <class T>
void load_system();
/**
* \brief Retrieve a reference to ECS system
* \tparam T System type
* \returns Reference to system instance
* \throws std::runtime_error if the System is not initialized
*/
template <class T>
T & get_system();
};
} // namespace crepe
#include "LoopManager.hpp"
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