#include "gamecore.h"
#include "mathutils.h"
#include "debug.h"
#include <SDL/SDL.h>

int GameCore::MAX_MOVE_DISTANCE = 100;
int GameCore::NODE_RADIUS = 12;

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

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

    SDL_Event event;

    while (is_running)
    {
	while(SDL_PollEvent(&event))
	    handle_event(&event);
	//	iterate();
	renderer.render(data, MAX_MOVE_DISTANCE);
    }

    cleanup();

    return 0;
}


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

    return renderer.init();
}


void GameCore::cleanup()
{
    renderer.cleanup();
    SDL_Quit();
}


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


void GameCore::on_lbutton_down(int x, int y)
{
    Vertex* cv = data.get_current_vertex();
    if (cv != NULL &&
	(MathUtils::distance(cv->x, cv->y, x, y)
	 > MAX_MOVE_DISTANCE))
    {
	data.select_vertex(x, y);
	return;
    }

    data.do_vertex(x, y, NODE_RADIUS);
}


void GameCore::on_rbutton_down(int mX, int mY)
{
    data.clear_current_vertex();
}


void GameCore::on_key_down(SDLKey sym, SDLMod mod, Uint16 unicode)
{
    if (sym == SDLK_q && mod & KMOD_CTRL) is_running = false;
}