#include "gamecore.h"
#include "drawutils.h"

#ifdef DEBUG
#include <iostream>
#endif

GameCore::GameCore()
{
    display = NULL;
    is_running = true;
}

int GameCore::execute()
{
    if (!init()) return 1;

    SDL_Event event;

    while (is_running)
    {
	while(SDL_PollEvent(&event))
	    handle_event(&event);
	iterate();
	render();
    }

    cleanup();

    return 0;
}


bool GameCore::init()
{
    if (SDL_Init(SDL_INIT_EVERYTHING) < 0) return false;

    display = SDL_SetVideoMode(800,600,32, SDL_HWSURFACE | SDL_DOUBLEBUF);
    if (display == NULL)
    {
#ifdef DEBUG
	std::cerr << "GameCore::init(): error: Couldn't create main surface\n";
#endif
	return false;
    }

    return true;
}


void GameCore::render()
{

}


void GameCore::iterate()
{

}


void GameCore::cleanup()
{
    SDL_FreeSurface(display);
    SDL_Quit();
}


void GameCore::on_exit()
{
    is_running = false;
}