/*
   client/application.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 
*/

// project headers
#include "client/client.h"
#include "client/application.h"
#include "core/core.h"

// SDL headers
#include <SDL/SDL.h>

// C++ headers
#include <cmath>

namespace client {

void Application::quit(int status)
{
	SDL_Quit();
	core::ApplicationInterface::quit(status);
}

void Application::init()
{
	// initialize core
	core::ApplicationInterface::init();

	con_debug << "Initializing client..." << std::endl;

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

        // initialize input
        input.init();
}

void Application::run()
{
	Uint32 chrono = SDL_GetTicks();

        while(true) {
                Uint32 current = SDL_GetTicks();

                // overflow protection ~49 days
                if (current < chrono) {
                        chrono = current;
                }

                // update the game chronometers
                float elapsed = (float) ( current - chrono) / 1000.0f;
                chrono = current;

                core::ApplicationInterface::frame(elapsed);

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

                // process input
                input.process();
        }

}

void Application::shutdown() 
{
	con_debug << "Shutting down client..." << std::endl;
	console.flush();

	input.shutdown();
	console.flush();
	
	video.shutdown();
	console.flush();

        core::ApplicationInterface::shutdown();
	console.flush();

	quit(0);
}

}