text: /*	$NetBSD: bdisp.c,v 1.8 2003/08/07 09:37:16 agc Exp $	*/
  
  /*
   * Copyright (c) 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Ralph Campbell.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  #ifndef lint
  #if 0
  static char sccsid[] = "@(#)bdisp.c	8.2 (Berkeley) 5/3/95";
  #else
  __RCSID("$NetBSD: bdisp.c,v 1.8 2003/08/07 09:37:16 agc Exp $");
  #endif
  #endif /* not lint */
  
  #include <curses.h>
  #include <string.h>
  #include "gomoku.h"
  
  #define	SCRNH		24		/* assume 24 lines for the moment */
  #define	SCRNW		80		/* assume 80 chars for the moment */
  
  static	int	lastline;
  static	char	pcolor[] = "*O.?";
  
  extern int interactive;
  extern char *plyr[];
  
  /*
   * Initialize screen display.
   */
  void
  cursinit()
  {
  
  	initscr();
  	noecho();
  	cbreak();
  	leaveok(stdscr, TRUE);
  }
  
  /*
   * Restore screen display.
   */
  void
  cursfini()
  {
  
  	leaveok(stdscr, FALSE);
  	move(23, 0);
  	clrtoeol();
  	refresh();
  	endwin();
  }
  
  /*
   * Initialize board display.
   */
  void
  bdisp_init()
  {
  	int i, j;
  
  	/* top border */
  	for (i = 1; i < BSZ1; i++) {
  		move(0, 2 * i + 1);
  		addch(letters[i]);
  	}
  	/* left and right edges */
  	for (j = BSZ1; --j > 0; ) {
  		move(20 - j, 0);
  		printw("%2d ", j);
  		move(20 - j, 2 * BSZ1 + 1);
  		printw("%d ", j);
  	}
  	/* bottom border */
  	for (i = 1; i < BSZ1; i++) {
  		move(20, 2 * i + 1);
  		addch(letters[i]);
  	}
  	bdwho(0);
  	move(0, 47);
  	addstr("#  black  white");
  	lastline = 0;
  	bdisp();
  }
  
  /*
   * Update who is playing whom.
   */
  void
  bdwho(update)
  	int update;
  {
  	int i;
  
  	move(21, 0);
  	clrtoeol();
  	i = 6 - strlen(plyr[BLACK]) / 2;
  	move(21, i > 0 ? i : 0);
  	printw("BLACK/%s", plyr[BLACK]);
  	i = 30 - strlen(plyr[WHITE]) / 2;
  	move(21, i);
  	printw("WHITE/%s", plyr[WHITE]);
  	move(21, 19);
  	addstr(" vs. ");
  	if (update)
  		refresh();
  }
  
  /*
   * Update the board display after a move.
   */
  void
  bdisp()
  {
  	int i, j, c;
  	struct spotstr *sp;
  
  	for (j = BSZ1; --j > 0; ) {
  		for (i = 1; i < BSZ1; i++) {
  			move(BSZ1 - j, 2 * i + 1);
  			sp = &board[i + j * BSZ1];
  			if (debug > 1 && sp->s_occ == EMPTY) {
  				if (sp->s_flg & IFLAGALL)
  					c = '+';
  				else if (sp->s_flg & CFLAGALL)
  					c = '-';
  				else
  					c = '.';
  			} else
  				c = pcolor[sp->s_occ];
  			addch(c);
  		}
  	}
  	refresh();
  }
  
  #ifdef DEBUG
  /*
   * Dump board display to a file.
   */
  void
  bdump(fp)
  	FILE *fp;
  {
  	int i, j, c;
  	struct spotstr *sp;
  
  	/* top border */
  	fprintf(fp, "   A B C D E F G H J K L M N O P Q R S T\n");
  
  	for (j = BSZ1; --j > 0; ) {
  		/* left edge */
  		fprintf(fp, "%2d ", j);
  		for (i = 1; i < BSZ1; i++) {
  			sp = &board[i + j * BSZ1];
  			if (debug > 1 && sp->s_occ == EMPTY) {
  				if (sp->s_flg & IFLAGALL)
  					c = '+';
  				else if (sp->s_flg & CFLAGALL)
  					c = '-';
  				else
  					c = '.';
  			} else
  				c = pcolor[sp->s_occ];
  			putc(c, fp);
  			putc(' ', fp);
  		}
  		/* right edge */
  		fprintf(fp, "%d\n", j);
  	}
  
  	/* bottom border */
  	fprintf(fp, "   A B C D E F G H J K L M N O P Q R S T\n");
  }
  #endif /* DEBUG */
  
  /*
   * Display a transcript entry
   */
  void
  dislog(str)
  	const char *str;
  {
  
  	if (++lastline >= SCRNH - 1) {
  		/* move 'em up */
  		lastline = 1;
  	}
  	move(lastline, 46);
  	addnstr(str, SCRNW - 46 - 1);
  	clrtoeol();
  	move(lastline + 1, 46);
  	clrtoeol();
  }
  
  /*
   * Display a question.
   */
  
  void
  ask(str)
  	const char *str;
  {
  	int len = strlen(str);
  
  	move(23, 0);
  	addstr(str);
  	clrtoeol();
  	move(23, len);
  	refresh();
  }
  
  int
  g_getline(buf, size)
  	char *buf;
  	int size;
  {
  	char *cp, *end;
  	int c;
  
  	c = 0;
  	cp = buf;
  	end = buf + size - 1;	/* save room for the '\0' */
  	while (cp < end && (c = getchar()) != EOF && c != '\n' && c != '\r') {
  		*cp++ = c;
  		if (interactive) {
  			switch (c) {
  			case 0x0c: /* ^L */
  				wrefresh(curscr);
  				cp--;
  				continue;
  			case 0x15: /* ^U */
  			case 0x18: /* ^X */
  				while (cp > buf) {
  					cp--;
  					addch('\b');
  				}
  				clrtoeol();
  				break;
  			case '\b':
  			case 0x7f: /* DEL */
  				if (cp == buf + 1) {
  					cp--;
  					continue;
  				}
  				cp -= 2;
  				addch('\b');
  				c = ' ';
  				/* FALLTHROUGH */
  			default:
  				addch(c);
  			}
  			refresh();
  		}
  	}
  	*cp = '\0';
  	return(c != EOF);
  }
  