CreatureLib/src/Battling/EventHooks/EventHook.hpp

#ifndef CREATURELIB_EVENTHOOK_HPP
#define CREATURELIB_EVENTHOOK_HPP

#include <vector>
#include "EventData.hpp"

#define EVENT_HOOK_FUNC(name) void (*name)(const EventData*)

namespace CreatureLib::Battling {
    /// The Event Hook class allows users to write consumers for the battle events, for example to write User Interfaces
    /// for it.
    class EventHook {
        std::vector<EVENT_HOOK_FUNC()> _listeners;

    public:
        void RegisterListener(EVENT_HOOK_FUNC(func)) { _listeners.push_back(func); }

        void TriggerEvent(EventData* eventData) const {
            AssertNotNull(eventData)
            for (auto listener : _listeners) {
                listener(eventData);
            }
            delete eventData;
        }
    };
}
#endif // CREATURELIB_EVENTHOOK_HPP