#include "game.h"
#include "grid.h"
#include "player.h"
#include "tiles.h"
#include <gint/display.h>
#include <gint/keyboard.h>
#include <gint/std/stdlib.h>

static void init_rand(void);
/* return 1 to break */
static int main_loop(struct Game *restrict game);

int
main(void)
{
	struct Game game;

	init_rand();

	game = game_init();

	while (!main_loop(&game)) {
	}

	game_deinit(game);

	return 1;
}

static void
init_rand(void)
{
	dclear(C_BLACK);
	dprint(0, 0, C_WHITE, "PRESS SHIFT");
	dupdate();

	unsigned int seed = 0;
	do {
		clearevents();
		seed += 1;
	} while (keydown(KEY_SHIFT));
	do {
		clearevents();
		seed += 1;
	} while (!keydown(KEY_SHIFT));
	srand(seed);
}

static int
main_loop(struct Game *restrict game)
{
	static int scroll_x = 1 << 13;

	if (scroll_x == 1 << 13)
		scroll_x = 99;

	clearevents();
	player_update(&game->player, &game->floor);

	dclear(C_BLACK);
	grid_draw(game->floor, (scroll_x < 0) ? (scroll_x) : (0), 0);
	player_draw(game->player, (scroll_x < 0) ? (scroll_x) : (0), 0);
	dupdate();

	scroll_x -= 1;

	return keydown(KEY_EXIT);
}