Split back-endish part off drawing code and move to board.c

[xboard.git] / board.h

diff --git a/board.h b/board.h
new file mode 100644 (file)
index 0000000..47d8329
--- /dev/null
+++ b/board.h
@@ -0,0 +1,98 @@
+/*
+ * board.h -- header for XBoard: variables shared by xboard.c and board.c
+ *
+ * Copyright 1991 by Digital Equipment Corporation, Maynard,
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
+ * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ *
+ * The following terms apply to Digital Equipment Corporation's copyright
+ * interest in XBoard:
+ * ------------------------------------------------------------------------
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Digital not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * ------------------------------------------------------------------------
+ *
+ * The following terms apply to the enhanced version of XBoard
+ * distributed by the Free Software Foundation:
+ * ------------------------------------------------------------------------
+ *
+ * GNU XBoard 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.
+ *
+ * GNU XBoard 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 http://www.gnu.org/licenses/.  *
+ *
+ *------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history.  */
+
+
+/* This magic number is the number of intermediate frames used
+   in each half of the animation. For short moves it's reduced
+   by 1. The total number of frames will be factor * 2 + 1.  */
+#define kFactor           4
+
+/* Variables for doing smooth animation. This whole thing
+   would be much easier if the board was double-buffered,
+   but that would require a fairly major rewrite.      */
+
+#define DISP 4
+
+typedef enum { Game=0, Player, NrOfAnims } AnimNr;
+
+typedef struct {
+       short int x, y;
+    } Pnt;
+
+typedef struct {
+       Pnt     startSquare, prevFrame, mouseDelta;
+       int     startColor;
+       int     dragPiece;
+       Boolean dragActive;
+        int     startBoardX, startBoardY;
+    } AnimState;
+
+extern AnimState anims[];
+
+void DrawPolygon P((Pnt arrow[], int nr));
+void DrawOneSquare P((int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align));
+void DrawDot P((int marker, int x, int y, int r));
+void DrawGrid P((int second));
+int SquareColor P((int row, int column));
+void ScreenSquare P((int column, int row, Pnt *pt, int *color));
+void BoardSquare P((int x, int y, int *column, int *row));
+void FrameDelay P((int time));
+void InsertPiece P((AnimNr anr, ChessSquare piece));
+void DrawBlank P((AnimNr anr, int x, int y, int startColor));
+void CopyRectangle P((AnimNr anr, int srcBuf, int destBuf, int srcX, int srcY, int width, int height, int destX, int destY));
+void SetDragPiece P((AnimNr anr, ChessSquare piece));
+void DragPieceMove P((int x, int y));
+void DrawArrowHighlight P((int fromX, int fromY, int toX,int toY));
+Boolean IsDrawArrowEnabled P((void));
+
+extern int hOffset; // [HGM] dual
+extern int damage[2][BOARD_RANKS][BOARD_FILES];
+