charcoal/OpenGLEngine/Application.h

#pragma once

#include "stdafx.h"

#include <glm/glm.hpp>

#include "GLFWInputManager.h"
#include "FPS.h"

// TODO: Close without rendering next frame.

namespace charcoal
{
	using namespace glm;

	class Application
	{
	public:
		Application(int width = -1, int height = -1);
		virtual ~Application() {}

		int run();

		const ivec2& get_screen_size() const { return m_screen_size; }

		const GLFWInputManager& get_input_manager() const { return m_glfw_input_manager; }

		const FPS& get_fps() const { return m_fps; }

	protected:
		// Called on initialization of the application (called by base_init)
		virtual void init() = 0;

		virtual void update(float delta_time, clock_t clock) = 0;

		virtual void prerender() = 0;

		virtual void render() = 0;

		// Called on closing of the application (called before base_close)
		virtual void close() {}

		GLFWwindow* m_p_window;

		const ivec2 m_screen_size;

		GLFWInputManager m_glfw_input_manager;

		FPS m_fps;
	private:
		void base_close();
	};
}