NetBSD/games/cribbage/io.c

587 lines
12 KiB
C

/* $NetBSD: io.c,v 1.24 2009/08/12 05:48:04 dholland Exp $ */
/*-
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* 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[] = "@(#)io.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: io.c,v 1.24 2009/08/12 05:48:04 dholland Exp $");
#endif
#endif /* not lint */
#include <ctype.h>
#include <curses.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "deck.h"
#include "cribbage.h"
#include "cribcur.h"
#define LINESIZE 128
#ifdef CTRL
#undef CTRL
#endif
#define CTRL(X) (X - 'A' + 1)
static int msgcrd(CARD, BOOLEAN, const char *, BOOLEAN);
static void printcard(WINDOW *, int, CARD, BOOLEAN);
static int incard(CARD *);
static void wait_for(int);
static int readchar(void);
static char linebuf[LINESIZE];
static const char *const rankname[RANKS] = {
"ACE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN",
"EIGHT", "NINE", "TEN", "JACK", "QUEEN", "KING"
};
static const char *const rankchar[RANKS] = {
"A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"
};
static const char *const suitname[SUITS] = {
"SPADES", "HEARTS", "DIAMONDS", "CLUBS"
};
static const char *const suitchar[SUITS] = {"S", "H", "D", "C"};
/*
* msgcard:
* Call msgcrd in one of two forms
*/
int
msgcard(c, brief)
CARD c;
BOOLEAN brief;
{
if (brief)
return (msgcrd(c, TRUE, NULL, TRUE));
else
return (msgcrd(c, FALSE, " of ", FALSE));
}
/*
* msgcrd:
* Print the value of a card in ascii
*/
static int
msgcrd(CARD c, BOOLEAN brfrank, const char *mid, BOOLEAN brfsuit)
{
if (c.rank == EMPTY || c.suit == EMPTY)
return (FALSE);
if (brfrank)
addmsg("%1.1s", rankchar[c.rank]);
else
addmsg(rankname[c.rank]);
if (mid != NULL)
addmsg(mid);
if (brfsuit)
addmsg("%1.1s", suitchar[c.suit]);
else
addmsg(suitname[c.suit]);
return (TRUE);
}
/*
* printcard:
* Print out a card.
*/
static void
printcard(WINDOW *win, int cardno, CARD c, BOOLEAN blank)
{
prcard(win, cardno * 2, cardno, c, blank);
}
/*
* prcard:
* Print out a card on the window at the specified location
*/
void
prcard(WINDOW *win, int y, int x, CARD c, BOOLEAN blank)
{
if (c.rank == EMPTY)
return;
mvwaddstr(win, y + 0, x, "+-----+");
mvwaddstr(win, y + 1, x, "| |");
mvwaddstr(win, y + 2, x, "| |");
mvwaddstr(win, y + 3, x, "| |");
mvwaddstr(win, y + 4, x, "+-----+");
if (!blank) {
mvwaddch(win, y + 1, x + 1, rankchar[c.rank][0]);
waddch(win, suitchar[c.suit][0]);
mvwaddch(win, y + 3, x + 4, rankchar[c.rank][0]);
waddch(win, suitchar[c.suit][0]);
}
}
/*
* prhand:
* Print a hand of n cards
*/
void
prhand(const CARD h[], int n, WINDOW *win, BOOLEAN blank)
{
int i;
werase(win);
for (i = 0; i < n; i++)
printcard(win, i, *h++, blank);
wrefresh(win);
}
/*
* infrom:
* reads a card, supposedly in hand, accepting unambigous brief
* input, returns the index of the card found...
*/
int
infrom(const CARD hand[], int n, const char *prompt)
{
int i, j;
CARD crd;
if (n < 1) {
printf("\nINFROM: %d = n < 1!!\n", n);
exit(74);
}
for (;;) {
msg(prompt);
if (incard(&crd)) { /* if card is full card */
if (!is_one(crd, hand, n))
msg("That's not in your hand");
else {
for (i = 0; i < n; i++)
if (hand[i].rank == crd.rank &&
hand[i].suit == crd.suit)
break;
if (i >= n) {
printf("\nINFROM: is_one or something messed up\n");
exit(77);
}
return (i);
}
} else /* if not full card... */
if (crd.rank != EMPTY) {
for (i = 0; i < n; i++)
if (hand[i].rank == crd.rank)
break;
if (i >= n)
msg("No such rank in your hand");
else {
for (j = i + 1; j < n; j++)
if (hand[j].rank == crd.rank)
break;
if (j < n)
msg("Ambiguous rank");
else
return (i);
}
} else
msg("Sorry, I missed that");
}
/* NOTREACHED */
}
/*
* incard:
* Inputs a card in any format. It reads a line ending with a CR
* and then parses it.
*/
static int
incard(CARD *crd)
{
int i;
int rnk, sut;
char *line, *p, *p1;
BOOLEAN retval;
retval = FALSE;
rnk = sut = EMPTY;
if (!(line = get_line()))
goto gotit;
p = p1 = line;
while (*p1 != ' ' && *p1 != '\0')
++p1;
*p1++ = '\0';
if (*p == '\0')
goto gotit;
/* IMPORTANT: no real card has 2 char first name */
if (strlen(p) == 2) { /* check for short form */
rnk = EMPTY;
for (i = 0; i < RANKS; i++) {
if (*p == *rankchar[i]) {
rnk = i;
break;
}
}
if (rnk == EMPTY)
goto gotit; /* it's nothing... */
++p; /* advance to next char */
sut = EMPTY;
for (i = 0; i < SUITS; i++) {
if (*p == *suitchar[i]) {
sut = i;
break;
}
}
if (sut != EMPTY)
retval = TRUE;
goto gotit;
}
rnk = EMPTY;
for (i = 0; i < RANKS; i++) {
if (!strcmp(p, rankname[i]) || !strcmp(p, rankchar[i])) {
rnk = i;
break;
}
}
if (rnk == EMPTY)
goto gotit;
p = p1;
while (*p1 != ' ' && *p1 != '\0')
++p1;
*p1++ = '\0';
if (*p == '\0')
goto gotit;
if (!strcmp("OF", p)) {
p = p1;
while (*p1 != ' ' && *p1 != '\0')
++p1;
*p1++ = '\0';
if (*p == '\0')
goto gotit;
}
sut = EMPTY;
for (i = 0; i < SUITS; i++) {
if (!strcmp(p, suitname[i]) || !strcmp(p, suitchar[i])) {
sut = i;
break;
}
}
if (sut != EMPTY)
retval = TRUE;
gotit:
(*crd).rank = rnk;
(*crd).suit = sut;
return (retval);
}
/*
* getuchar:
* Reads and converts to upper case
*/
int
getuchar(void)
{
int c;
c = readchar();
if (islower(c))
c = toupper(c);
waddch(Msgwin, c);
return (c);
}
/*
* number:
* Reads in a decimal number and makes sure it is between "lo" and
* "hi" inclusive.
*/
int
number(int lo, int hi, const char *prompt)
{
char *p;
int sum;
for (sum = 0;;) {
msg(prompt);
if (!(p = get_line()) || *p == '\0') {
msg(quiet ? "Not a number" :
"That doesn't look like a number");
continue;
}
sum = 0;
if (!isdigit((unsigned char)*p))
sum = lo - 1;
else
while (isdigit((unsigned char)*p)) {
sum = 10 * sum + (*p - '0');
++p;
}
if (*p != ' ' && *p != '\t' && *p != '\0')
sum = lo - 1;
if (sum >= lo && sum <= hi)
break;
if (sum == lo - 1)
msg("that doesn't look like a number, try again --> ");
else
msg("%d is not between %d and %d inclusive, try again --> ",
sum, lo, hi);
}
return (sum);
}
/*
* msg:
* Display a message at the top of the screen.
*/
static char Msgbuf[BUFSIZ] = {'\0'};
static int Mpos = 0;
static int Newpos = 0;
void
msg(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
(void)vsnprintf(&Msgbuf[Newpos], sizeof(Msgbuf)-Newpos, fmt, ap);
Newpos = strlen(Msgbuf);
va_end(ap);
endmsg();
}
/*
* addmsg:
* Add things to the current message
*/
void
addmsg(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
(void)vsnprintf(&Msgbuf[Newpos], sizeof(Msgbuf)-Newpos, fmt, ap);
Newpos = strlen(Msgbuf);
va_end(ap);
}
/*
* endmsg:
* Display a new msg.
*/
static int Lineno = 0;
void
endmsg(void)
{
static int lastline = 0;
int len;
char *mp, *omp;
/* All messages should start with uppercase */
mvaddch(lastline + Y_MSG_START, SCORE_X, ' ');
if (islower((unsigned char)Msgbuf[0]) && Msgbuf[1] != ')')
Msgbuf[0] = toupper((unsigned char)Msgbuf[0]);
mp = Msgbuf;
len = strlen(mp);
if (len / MSG_X + Lineno >= MSG_Y) {
while (Lineno < MSG_Y) {
wmove(Msgwin, Lineno++, 0);
wclrtoeol(Msgwin);
}
Lineno = 0;
}
mvaddch(Lineno + Y_MSG_START, SCORE_X, '*');
lastline = Lineno;
do {
mvwaddstr(Msgwin, Lineno, 0, mp);
if ((len = strlen(mp)) > MSG_X) {
omp = mp;
for (mp = &mp[MSG_X - 1]; *mp != ' '; mp--)
continue;
while (*mp == ' ')
mp--;
mp++;
wmove(Msgwin, Lineno, mp - omp);
wclrtoeol(Msgwin);
}
if (++Lineno >= MSG_Y)
Lineno = 0;
} while (len > MSG_X);
wclrtoeol(Msgwin);
Mpos = len;
Newpos = 0;
wrefresh(Msgwin);
refresh();
wrefresh(Msgwin);
}
/*
* do_wait:
* Wait for the user to type ' ' before doing anything else
*/
void
do_wait(void)
{
static const char prompt[] = {'-', '-', 'M', 'o', 'r', 'e', '-', '-', '\0'};
if ((int)(Mpos + sizeof prompt) < MSG_X)
wmove(Msgwin, Lineno > 0 ? Lineno - 1 : MSG_Y - 1, Mpos);
else {
mvwaddch(Msgwin, Lineno, 0, ' ');
wclrtoeol(Msgwin);
if (++Lineno >= MSG_Y)
Lineno = 0;
}
waddstr(Msgwin, prompt);
wrefresh(Msgwin);
wait_for(' ');
}
/*
* wait_for
* Sit around until the guy types the right key
*/
static void
wait_for(int ch)
{
int c;
if (ch == '\n')
while ((c = readchar()) != '\n')
continue;
else
while (readchar() != ch)
continue;
}
/*
* readchar:
* Reads and returns a character, checking for gross input errors
*/
static int
readchar(void)
{
int cnt;
unsigned char c;
over:
cnt = 0;
while (read(STDIN_FILENO, &c, sizeof(unsigned char)) <= 0)
if (cnt++ > 100) { /* if we are getting infinite EOFs */
bye(); /* quit the game */
exit(1);
}
if (c == CTRL('L')) {
wrefresh(curscr);
goto over;
}
if (c == '\r')
return ('\n');
else
return (c);
}
/*
* get_line:
* Reads the next line up to '\n' or EOF. Multiple spaces are
* compressed to one space; a space is inserted before a ','
*/
char *
get_line(void)
{
char *sp;
int c, oy, ox;
WINDOW *oscr;
oscr = stdscr;
stdscr = Msgwin;
getyx(stdscr, oy, ox);
refresh();
/* loop reading in the string, and put it in a temporary buffer */
for (sp = linebuf; (c = readchar()) != '\n'; clrtoeol(), refresh()) {
if (c == erasechar()) { /* process erase character */
if (sp > linebuf) {
int i;
sp--;
for (i = strlen(unctrl(*sp)); i; i--)
addch('\b');
}
continue;
} else
if (c == killchar()) { /* process kill
* character */
sp = linebuf;
move(oy, ox);
continue;
} else
if (sp == linebuf && c == ' ')
continue;
if (sp >= &linebuf[LINESIZE - 1] || !(isprint(c) || c == ' '))
putchar(CTRL('G'));
else {
if (islower(c))
c = toupper(c);
*sp++ = c;
addstr(unctrl(c));
Mpos++;
}
}
*sp = '\0';
stdscr = oscr;
return (linebuf);
}
void
receive_intr(int signo __unused)
{
bye();
exit(1);
}
/*
* bye:
* Leave the program, cleaning things up as we go.
*/
void
bye(void)
{
signal(SIGINT, SIG_IGN);
mvcur(0, COLS - 1, LINES - 1, 0);
fflush(stdout);
endwin();
putchar('\n');
}