from Ralph Campbell

[unix-history] / usr / src / games / gomoku / bdisp.c

/*
* 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.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)bdisp.c     8.1 (Berkeley) %G%";
#endif /* not lint */

#include "gomoku.h"
#include <stdio.h>
#include <curses.h>

#define SCRNH           24              /* assume 24 lines for the moment */
#define SCRNW           80              /* assume 80 chars for the moment */

static  int     lastline;

/*
* Initialize screen display.
*/
cursinit()
{

       initscr();
       noecho();
       cbreak();
       leaveok(stdscr, TRUE);
}

/*
* Restore screen display.
*/
cursfini()
{

       leaveok(stdscr, FALSE);
       move(23, 0);
       clrtoeol();
       refresh();
       endwin();
}

/*
* Initialize board display.
*/
bdisp_init()
{
       register 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.
*/
bdwho(update)
       int update;
{
       int i;
       extern char *plyr[];

       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.
*/
bdisp()
{
       register int i, j, c;
       register 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 = "*O.?"[sp->s_occ];
                       addch(c);
               }
       }
       refresh();
}

#ifdef DEBUG
/*
* Dump board display to a file.
*/
bdump(fp)
       FILE *fp;
{
       register int i, j, c;
       register 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 = "*O.?"[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
*/
dislog(str)
       char *str;
{

       if (++lastline >= SCRNH - 1) {
               /* move 'em up */
               lastline = 1;
       }
       if (strlen(str) >= SCRNW - 46)
               str[SCRNW - 46 - 1] = '\0';
       move(lastline, 46);
       addstr(str);
       clrtoeol();
       move(lastline + 1, 46);
       clrtoeol();
}

/*
* Display a question.
*/
ask(str)
       char *str;
{
       int len = strlen(str);

       move(23, 0);
       addstr(str);
       clrtoeol();
       move(23, len);
       refresh();
}

getline(buf, size)
       char *buf;
       int size;
{
       register char *cp, *end;
       register int c;
       extern int interactive;

       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 */
                               cp -= 2;
                               addch('\b');
                               c = ' ';
                               /* FALLTHROUGH */
                       default:
                               addch(c);
                       }
                       refresh();
               }
       }
       *cp = '\0';
       return(c != EOF);
}