100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/* piece.c - piece list management.
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*
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* Copyright (C) 2021-2024 Bruno Raoult ("br")
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* Licensed under the GNU General Public License v3.0 or later.
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* Some rights reserved. See COPYING.
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*
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* You should have received a copy of the GNU General Public License along with this
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* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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*
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*/
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#include <malloc.h>
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#include <ctype.h>
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#include <string.h>
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#include <assert.h>
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#include "bug.h"
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#include "chessdefs.h"
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#include "piece.h"
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/**
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* piece_details
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*/
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const struct piece_details piece_details[PIECE_NB] = {
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/* cap low fen sym name midgame val endgame val */
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[EMPTY] = { "", "", "", "", "", 0, 0 },
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[W_PAWN] = { "", "", "P", "♙", "Pawn", P_VAL_MID, P_VAL_END },
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[W_KNIGHT] = { "N", "n", "N", "♘", "Knight", N_VAL_MID, N_VAL_END },
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[W_BISHOP] = { "B", "b", "B", "♗", "Bishop", B_VAL_MID, B_VAL_END },
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[W_ROOK] = { "R", "r", "R", "♖", "Rook", R_VAL_MID, R_VAL_END },
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[W_QUEEN] = { "Q", "q", "Q", "♕", "Queen", Q_VAL_MID, Q_VAL_END },
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[W_KING] = { "K", "k", "K", "♔", "King", K_VAL_MID, K_VAL_END },
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[7] = { "", "", "", "", "", 0, 0 },
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[8] = { "", "", "", "", "", 0, 0 },
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[B_PAWN] = { "", "", "p", "♟", "Pawn", P_VAL_MID, P_VAL_END },
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[B_KNIGHT] = { "N", "n", "n", "♞", "Knight", N_VAL_MID, N_VAL_END },
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[B_BISHOP] = { "B", "b", "b", "♝", "Bishop", B_VAL_MID, B_VAL_END },
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[B_ROOK] = { "R", "r", "r", "♜", "Rook", R_VAL_MID, R_VAL_END },
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[B_QUEEN] = { "Q", "q", "q", "♛", "Queen", Q_VAL_MID, Q_VAL_END },
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[B_KING] = { "K", "k", "k", "♚", "King", K_VAL_MID, K_VAL_END },
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};
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const char pieces_str[6+6+1] = "PNBRQKpnbrqk";
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bool piece_ok(piece_t p)
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{
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piece_type_t pt = PIECE(p);
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return !(p & ~(MASK_COLOR | MASK_PIECE)) && pt && (pt <= KING);
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}
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char *piece_to_cap(piece_t p)
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{
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return piece_details[p].cap;
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}
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char *piece_to_char(piece_t p)
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{
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return piece_details[p].fen;
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}
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char *piece_to_low(piece_t p)
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{
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return piece_details[p].low;
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}
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char *piece_to_sym(piece_t p)
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{
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return piece_details[p].sym;
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}
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char *piece_to_name(piece_t p)
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{
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return piece_details[p].name;
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}
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piece_type_t piece_t_from_char(char c)
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{
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char *p;
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piece_type_t pt = NO_PIECE_TYPE;
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if (c && (p = strchr(pieces_str, c))) {
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pt = (p - pieces_str) % 6 + 1;
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}
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return pt;
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}
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//piece_type_t piece_from_promotion(char c, color_t color)
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//{
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// piece_type_t piece = piece_t_from_char(c);
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// return piece? SET_COLOR()p? (p - pieces_str) % 6 + 1: NO_PIECE_TYPE;
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//}
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piece_t piece_from_char(char c)
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{
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piece_type_t piece = piece_t_from_char(c);
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return isupper(c)? SET_WHITE(piece): SET_BLACK(piece);
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}
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