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#pragma once
#include "../util/OptionalRef.h"
// TODO: remove these singletons:
#include "EventManager.h"
namespace crepe {
class ComponentManager;
class SceneManager;
class SaveManager;
class ResourceManager;
class SDLContext;
class LoopTimer;
class ReplayManager;
class SystemManager;
/**
* Struct to pass references to classes that would otherwise need to be singletons down to
* other classes within the engine hierarchy. Made to prevent constant changes to subclasses to
* pass specific references through dependency injection. All references on this struct
* *should* be explicitly checked for availability as this struct does not guarantee anything.
*
* \note Dereferencing members of this struct should be deferred. If you are a user of this
* class, keep a reference to this mediator instead of just picking references from it when you
* receive an instance.
*
* \warning This class should never be directly accessible from the API
*/
struct Mediator {
OptionalRef<SDLContext> sdl_context;
OptionalRef<ComponentManager> component_manager;
OptionalRef<SceneManager> scene_manager;
OptionalRef<SaveManager> save_manager;
OptionalRef<EventManager> event_manager = EventManager::get_instance();
OptionalRef<ResourceManager> resource_manager;
OptionalRef<LoopTimer> timer;
OptionalRef<ReplayManager> replay_manager;
OptionalRef<SystemManager> system_manager;
};
} // namespace crepe
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