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/**
* @file window.hpp
* Manages all game systems.
*
* Copyright (C) 2019 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ENGINE_HPP_
#define ENGINE_HPP_
#include <entityx/entityx.h>
#include <thread>
/**
* @class Engine
* Manages all game entities, events, and systems.
*/
class Engine
{
private:
entityx::EventManager events;
entityx::EntityManager entities;
entityx::SystemManager systems;
int fps;
std::thread logicThread;
std::thread physicsThread;
std::thread debugThread;
void logicLoop(void);
void physicsLoop(void);
void renderLoop(int& fpsCounter);
bool shouldRun(void);
public:
Engine(void) :
entities(events),
systems(entities, events),
fps(0) {}
/**
* Initializes the game engine.
* @return Zero on success, non-zero otherwise
*/
int init(void);
/**
* Runs the game engine.
* Function returns when game is told to end/exit.
*/
void run(void);
};
#endif // ENGINE_HPP_
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