Copie figée du cœur de GNU Backgammon (commit 14b6798)

Fichiers repris sans modification dans engine/gnubg/, poids et table
d'équité Kazaross-XG2 dans engine/data/, provenance détaillée dans
engine/gnubg/PROVENANCE.md. Le lint ne vérifie plus les espaces de ces
copies, pour qu'elles restent identiques à l'original.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

engine/gnubg/drawboard.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 1999-2001 Gary Wong <gtw@gnu.org>
+ * Copyright (C) 2000-2015 the AUTHORS
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DRAWBOARD_H
+#define DRAWBOARD_H
+
+#include "gnubg-types.h"
+#include "external.h"
+
+extern int fClockwise;          /* Player 1 moves clockwise */
+
+extern char *DrawBoard(char *sz, const TanBoard anBoard, int fRoll, char *asz[], char *szMatchID, int nChequers);
+/* Fill the buffer pch with a representation of the move anMove, assuming
+ * the board looks like anBoard.  pch must have room for 28 characters plus
+ * a trailing 0 (consider the move `bar/24* 23/22* 21/20* 19/18*'). */
+#define FORMATEDMOVESIZE 29
+extern char *FormatMove(char *sz, const TanBoard anBoard, const int anMove[8]);
+extern char *FormatMovePlain(char *sz, const TanBoard anBoard, const int anMove[8]);
+extern int ParseMove(char *pch, int an[8]);
+extern void CanonicalMoveOrder(int an[]);
+/* Fill the buffer pch with a FIBS "boardstyle 3" description of the game. */
+extern char *FIBSBoard(char *pch, TanBoard anBoard, int fRoll,
+                       const char *szPlayer, const char *szOpp, int nMatchTo,
+                       int nScore, int nOpponent, int nDice0, int nDice1,
+                       int nCube, int fCubeOwner, int fDoubled, int fTurn,
+                       int fCrawford, int nChequers, int fPostCrawford);
+
+/* Process a board info structure from external interface */
+extern int ProcessFIBSBoardInfo(FIBSBoardInfo * brdInfo, ProcessedFIBSBoard * procBrd);
+
+#endif