#include "game.h"
#include "input.h"
#include "renderer.h"
#include "rng.h"

#include <stdio.h>
#include <sys/select.h>

#define MAX(a, b) ((a) < (b) ? (b) : (a))

static bool run;

static void quit()
{
	run = false;
}

int main()
{
	const int input_fd = input_init();
	const renderer_params_t renderer_params = renderer_init();
	rng_init();
	game_init(renderer_params.aspect);

	input_on_quit(quit);

	renderer_clear();
	renderer_swap();

	const int drm_fd = renderer_params.drm_fd;
	const int max_fd = MAX(input_fd, drm_fd);
	fd_set set;

	run = true;
	while (run) {
		FD_ZERO(&set);
		FD_SET(input_fd, &set);
		FD_SET(drm_fd, &set);

		select(max_fd + 1, &set, nullptr, nullptr, nullptr);

		if (FD_ISSET(input_fd, &set))
			input_handle();

		if (FD_ISSET(drm_fd, &set)) {
			renderer_handle();

			game_update();
			game_draw();

			renderer_swap();
		}
	}

	renderer_cleanup();
	input_cleanup();

	return 0;
}