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/*
   client/client.cc
   This file is part of the Osirion project and is distributed under 
   the terms and conditions of the GNU General Public License version 2 
*/

#include "client/camera.h"
#include "client/view.h"
#include "client/video.h"
#include "client/input.h"
#include "client/console.h"

#include "game/game.h"
#include "common/common.h"

#include <SDL/SDL.h>

namespace client {

// public instances
Camera camera;
View view;
Video video;
Input input;

// private instance of the client console object
Console clientconsole;

void quit(int status)
{
	SDL_Quit();
	exit(status);
}

void init()
{
	// Initialize the video subsystem
	video.init();
	if (!video.initialized) {
		quit(1);
	}

	// initialize input
	input.init();

	// initialize game
	game::init();
}

void run()
{
	Uint32 startup = SDL_GetTicks();
	while(game::initialized) {
		Uint32 chrono = SDL_GetTicks();
	
		// overflow protection ~49 days
		if (chrono < startup) {
			startup = chrono;
		}
		
		// update the game chronometers
		float elapsed = (float) ( chrono - startup) / 1000.0f;
		game::update(elapsed);

		// update the video chronometers and draw
		video.draw(elapsed);
		startup = chrono;

		// process input
		input.process();
	}

	input.shutdown();
	video.shutdown();
	quit(0);
}

} // namespace client