stego.git

/* stego - chess engine
 * Copyright (C) 2025 ArcNyxx <me@arcnyxx.net>
 * see LICENCE file for licensing information */

#include <stdio.h>
#include <string.h>

#include "bits.h"
#include "move.h"
#include "stego.h"

u64
cnt(board_t *bd)
{
	u64 ret = 0;
	for (int i = 0; i < 64; ++i)
		ret += popcount(bd->moves[i]);
	return ret;
}

int
main(void)
{
	board_t board, *bd = &board;
	bd->king   = bd->eking   = 0b00010000;
	bd->queen  = bd->equeen  = 0b00001000;
	bd->rook   = bd->erook   = 0b10000001;
	bd->bishop = bd->ebishop = 0b00100100;
	bd->knight = bd->eknight = 0b01000010;
	bd->pawn   = bd->epawn   = 0b11111111;

	bd->epawn <<= 8, bd->pawn <<= 48;
	bd->king <<= 56, bd->queen <<= 56, bd->rook <<= 56;
	bd->bishop <<= 56, bd->knight <<= 56;

	bd->enpassant = 64;
	bd->wkcastle = bd->wqcastle = bd->bkcastle = bd->bqcastle = true;
	bd->white = true;

	memset(bd->moves, 0, sizeof(u64) * 64);

	mv(bd);
	printf("stego: first move: %llu\n", cnt(bd));
}