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/*
* Copyright (C) 2003 Holger Bochnig <hbgg@gmx.net>
* Copyright (C) 2003-2008 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/>.
*
* $Id: boarddim.h,v 1.15 2013/06/16 02:16:10 mdpetch Exp $
*/
#ifndef BOARDDIM_H
#define BOARDDIM_H
/* fundamental constants */
#define CHEQUER_WIDTH 6
#define DIE_WIDTH 7
#define CUBE_WIDTH 6
#define ARROW_WIDTH 3
#define HINGE_HEIGHT 12
#define HINGE_WIDTH 2
/* additional space (beyond one chequer's worth) between two points
* with 5 chequers */
#define EXTRA_HEIGHT 10
/* derived constants */
#define CHEQUER_HEIGHT CHEQUER_WIDTH
#define DIE_HEIGHT DIE_WIDTH
#define CUBE_HEIGHT CUBE_WIDTH
#define ARROW_HEIGHT ARROW_WIDTH
#define BORDER_HEIGHT (CHEQUER_HEIGHT / 2)
#define BORDER_WIDTH (CHEQUER_WIDTH / 2)
#define BAR_WIDTH (2 * CHEQUER_WIDTH)
#define BEAROFF_INSIDE CHEQUER_WIDTH
#define BEAROFF_WIDTH (BEAROFF_INSIDE + 2 * BORDER_WIDTH)
#define BOARD_WIDTH (12 * CHEQUER_WIDTH + 2 * BEAROFF_WIDTH + BAR_WIDTH)
#define BEAROFF_DIVIDER_HEIGHT CHEQUER_HEIGHT
/* the following is technically wrong - it should be 10 chequers, die/cube
* and two borders - there may be undisplayable positions otherwise */
#define BOARD_MIN_HEIGHT (11 * CHEQUER_HEIGHT + 2 * BORDER_HEIGHT)
#define BOARD_HEIGHT (BOARD_MIN_HEIGHT + EXTRA_HEIGHT)
/* more derived constants */
#define CUBE_LABEL_WIDTH (CUBE_WIDTH - 2)
#define CUBE_LABEL_HEIGHT (CUBE_HEIGHT - 2)
#define RESIGN_WIDTH CUBE_WIDTH
#define RESIGN_HEIGHT CUBE_HEIGHT
#define RESIGN_LABEL_WIDTH CUBE_LABEL_WIDTH
#define RESIGN_LABEL_HEIGHT CUBE_LABEL_HEIGHT
#define CHEQUER_LABEL_WIDTH (CHEQUER_WIDTH - 2)
#define CHEQUER_LABEL_HEIGHT (CHEQUER_HEIGHT - 2)
#define POINT_WIDTH CHEQUER_WIDTH
/* for a tall enough board, let the points extend past a stack of 5 chequers */
#if (EXTRA_HEIGHT >= (CHEQUER_HEIGHT + 4))
#define DISPLAY_POINT_EXTRA 4
#elif (EXTRA_HEIGHT >= (CHEQUER_HEIGHT + 3))
#define DISPLAY_POINT_EXTRA 3
#elif (EXTRA_HEIGHT >= (CHEQUER_HEIGHT + 2))
#define DISPLAY_POINT_EXTRA 2
#elif (EXTRA_HEIGHT >= (CHEQUER_HEIGHT + 1))
#define DISPLAY_POINT_EXTRA 1
#else
#define DISPLAY_POINT_EXTRA 0
#endif
#define DISPLAY_POINT_HEIGHT (5 * CHEQUER_HEIGHT + DISPLAY_POINT_EXTRA)
/* for HTML */
#define BEAROFF_HEIGHT (5 * CHEQUER_HEIGHT)
#define POINT_HEIGHT (5 * CHEQUER_HEIGHT)
#define BOARD_CENTER_WIDTH (6 * CHEQUER_WIDTH)
#define BOARD_CENTER_HEIGHT (BOARD_HEIGHT - 2 * (BORDER_HEIGHT + POINT_HEIGHT))
#define DISPLAY_BEAROFF_HEIGHT ((BOARD_HEIGHT - BEAROFF_DIVIDER_HEIGHT) / 2 - \
BORDER_HEIGHT)
/* where to place a chequer on the bar - x */
#define BAR_X ((BOARD_WIDTH - CHEQUER_WIDTH) / 2)
/* where to place the first player 0 chequer on the bar - y */
#define BAR_Y_0 (BOARD_HEIGHT / 2 - 16)
/* and where to place the first player 1 chequer on the bar - y */
#define BAR_Y_1 (BOARD_HEIGHT / 2 + 9)
/* where to start point x, x = 1..13 */
#define POINT_X(n) ((n < 7) ? (BOARD_WIDTH - BEAROFF_WIDTH - \
n * CHEQUER_WIDTH) : \
(n < 13) ? ((BOARD_WIDTH - BAR_WIDTH) / 2 - \
(n - 6) * CHEQUER_WIDTH) : \
(n < 19) ? (BEAROFF_WIDTH + \
(n - 13) * CHEQUER_WIDTH) : \
(BOARD_WIDTH + BAR_WIDTH) / 2 + (n - 19) * CHEQUER_WIDTH)
/* top and bottom y co-ordinates of chequers */
#define TOP_POINT_Y (BOARD_HEIGHT - BORDER_HEIGHT - CHEQUER_HEIGHT)
#define BOT_POINT_Y (BORDER_HEIGHT)
/* left and right bearoff tray coordinates */
#define BEAROFF_RIGHT_X (BOARD_WIDTH - BORDER_WIDTH - CHEQUER_WIDTH)
#define BEAROFF_LEFT_X (BORDER_WIDTH)
/* x and y coordinates of cube when not available/doubling/owned/centred */
#define NO_CUBE -32768
/* width of board between tray and bar */
#define PLAY_WIDTH (((BOARD_WIDTH - (2 * BEAROFF_WIDTH)) - BAR_WIDTH) / 2)
#define CUBE_RIGHT_X (BEAROFF_WIDTH + (PLAY_WIDTH - CUBE_WIDTH) / 2)
#define CUBE_LEFT_X (BOARD_WIDTH - (CUBE_RIGHT_X))
#define CUBE_TRAY_X (BEAROFF_LEFT_X + (BEAROFF_INSIDE - CUBE_WIDTH) / 2)
#define PLAY_HEIGHT (BOARD_HEIGHT - 2 * BORDER_HEIGHT )
#define CUBE_CENTRE_Y (BORDER_HEIGHT + (PLAY_HEIGHT - CUBE_HEIGHT) / 2)
#define CUBE_OWN_1_Y (BOARD_HEIGHT - (CUBE_HEIGHT + BORDER_HEIGHT))
#define CUBE_OWN_0_Y (BORDER_HEIGHT)
#define CUBE_RESIGN_LEFT_X (CUBE_LEFT_X - CHEQUER_WIDTH)
#define CUBE_RESIGN_RIGHT_X (CUBE_RIGHT_X + CHEQUER_WIDTH)
/* where the hinges begin - y */
#define HINGE_BOT_Y ((BOARD_HEIGHT - CUBE_HEIGHT) / 2 - \
2 * CHEQUER_HEIGHT - HINGE_HEIGHT - 1)
#define HINGE_TOP_Y ((BOARD_HEIGHT + CUBE_HEIGHT) / 2 + \
2 * CHEQUER_HEIGHT + 1)
#endif /* BOARDDIM_H */
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