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	fen_to_*.c: handle possible piece promotion for moves - chess-puzzles - chess p…
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	---
	commit 098952703cf713b7569ae0cb826a08a239e3b46a
	parent b8fe22e0b3297f81eca81b3c5ad8f2fd7e918c38
	Author: Hiltjo Posthuma <[email protected]>
	Date: Mon, 18 Dec 2023 22:15:46 +0100

	fen_to_*.c: handle possible piece promotion for moves

	Diffstat:
	M fen_to_ascii.c \| 14 ++++++++++++++
	M fen_to_svg.c \| 14 ++++++++++++++
	M fen_to_tty.c \| 13 +++++++++++++

	3 files changed, 41 insertions(+), 0 deletions(-)
	---
	diff --git a/fen_to_ascii.c b/fen_to_ascii.c
	@@ -1,5 +1,6 @@
	/* TODO: option to flip board? */

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

	@@ -265,6 +266,19 @@ main(int argc, char *argv[])
	squaretoxy(square, &x2, &y2);
	place(piece, x2, y2);
	s += 2;
	+
	+ /* possible promotion? (queen, knight, bishop) */
	+ if (s == 'q' \|\| s == 'n' \|\| *s == 'b') {
	+ if (side_to_move == 'w')
	+ piece = toupper(*s);
	+ else
	+ piece = *s;
	+ place(piece, x2, y2);
	+ s++;
	+ }
	+
	+ /* switch which side it is to move */
	+ side_to_move = side_to_move == 'b' ? 'w' : 'b';
	}
	}
	/* highlight last move */
	diff --git a/fen_to_svg.c b/fen_to_svg.c
	@@ -1,5 +1,6 @@
	/* TODO: option to flip board? */

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

	@@ -276,6 +277,19 @@ main(int argc, char *argv[])
	squaretoxy(square, &x2, &y2);
	place(piece, x2, y2);
	s += 2;
	+
	+ /* possible promotion? (queen, knight, bishop) */
	+ if (s == 'q' \|\| s == 'n' \|\| *s == 'b') {
	+ if (side_to_move == 'w')
	+ piece = toupper(*s);
	+ else
	+ piece = *s;
	+ place(piece, x2, y2);
	+ s++;
	+ }
	+
	+ /* switch which side it is to move */
	+ side_to_move = side_to_move == 'b' ? 'w' : 'b';
	}
	}
	/* highlight last move */
	diff --git a/fen_to_tty.c b/fen_to_tty.c
	@@ -320,6 +320,19 @@ main(int argc, char *argv[])
	squaretoxy(square, &x2, &y2);
	place(piece, x2, y2);
	s += 2;
	+
	+ /* possible promotion? (queen, knight, bishop) */
	+ if (s == 'q' \|\| s == 'n' \|\| *s == 'b') {
	+ if (side_to_move == 'w')
	+ piece = toupper(*s);
	+ else
	+ piece = *s;
	+ place(piece, x2, y2);
	+ s++;
	+ }
	+
	+ /* switch which side it is to move */
	+ side_to_move = side_to_move == 'b' ? 'w' : 'b';
	}
	}
	/* highlight last move */