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io.c
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/*
* Various input/output functions
*
* @(#)io.c 3.10 (Berkeley) 6/15/81
*
* Rogue: Exploring the Dungeons of Doom
* Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
* All rights reserved.
*
* See the file LICENSE.TXT for full copyright and licensing information.
*/
#include <stdlib.h>
#include "curses.h"
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#include "machdep.h"
#include "rogue.h"
/*
* msg:
* Display a message at the top of the screen.
*/
static char msgbuf[BUFSIZ];
static int newpos = 0;
/*VARARGS1*/
void
msg(char *fmt, ...)
{
va_list ap;
/*
* if the string is "", just clear the line
*/
if (*fmt == '\0')
{
wmove(cw, 0, 0);
wclrtoeol(cw);
mpos = 0;
return;
}
/*
* otherwise add to the message and flush it out
*/
va_start(ap, fmt);
doadd(fmt, ap);
va_end(ap);
endmsg();
}
/*
* add things to the current message
*/
void
addmsg(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
doadd(fmt, ap);
va_end(ap);
}
/*
* Display a new msg (giving him a chance to see the previous one if it
* is up there with the --More--)
*/
void
endmsg()
{
strncpy(huh, msgbuf, 80);
huh[79] = 0;
if (mpos)
{
wmove(cw, 0, mpos);
waddstr(cw, "--More--");
draw(cw);
wait_for(cw,' ');
}
mvwaddstr(cw, 0, 0, msgbuf);
wclrtoeol(cw);
mpos = newpos;
newpos = 0;
draw(cw);
}
void
doadd(char *fmt, va_list ap)
{
vsprintf(&msgbuf[newpos], fmt, ap);
newpos = (int) strlen(msgbuf);
}
/*
* step_ok:
* returns true if it is ok to step on ch
*/
int
step_ok(int ch)
{
switch (ch)
{
case ' ':
case '|':
case '-':
case SECRETDOOR:
return FALSE;
default:
return (!isalpha(ch));
}
}
/*
* readchar:
* flushes stdout so that screen is up to date and then returns
* getchar.
*/
int
readchar(WINDOW *win)
{
int ch;
ch = md_readchar(win);
if ((ch == 3) || (ch == 0))
{
quit(0);
return(27);
}
return(ch);
}
/*
* status:
* Display the important stats line. Keep the cursor where it was.
*/
void
status()
{
int oy, ox, temp;
char *pb;
static char buf[80];
static int hpwidth = 0, s_hungry = -1;
static int s_lvl = -1, s_pur, s_hp = -1, s_str, s_add, s_ac = 0;
static long s_exp = 0;
/*
* If nothing has changed since the last status, don't
* bother.
*/
if (s_hp == pstats.s_hpt && s_exp == pstats.s_exp && s_pur == purse
&& s_ac == (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm)
&& s_str == pstats.s_str.st_str && s_add == pstats.s_str.st_add
&& s_lvl == level && s_hungry == hungry_state)
return;
getyx(cw, oy, ox);
if (s_hp != max_hp)
{
temp = s_hp = max_hp;
for (hpwidth = 0; temp; hpwidth++)
temp /= 10;
}
sprintf(buf, "Level: %d Gold: %-5d Hp: %*d(%*d) Str: %-2d",
level, purse, hpwidth, pstats.s_hpt, hpwidth, max_hp,
pstats.s_str.st_str);
if (pstats.s_str.st_add != 0)
{
pb = &buf[strlen(buf)];
sprintf(pb, "/%d", pstats.s_str.st_add);
}
pb = &buf[strlen(buf)];
sprintf(pb, " Ac: %-2d Exp: %d/%d",
cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm, pstats.s_lvl,
pstats.s_exp);
/*
* Save old status
*/
s_lvl = level;
s_pur = purse;
s_hp = pstats.s_hpt;
s_str = pstats.s_str.st_str;
s_add = pstats.s_str.st_add;
s_exp = pstats.s_exp;
s_ac = (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm);
mvwaddstr(cw, LINES - 1, 0, buf);
switch (hungry_state)
{
case 0: ;
when 1:
waddstr(cw, " Hungry");
when 2:
waddstr(cw, " Weak");
when 3:
waddstr(cw, " Fainting");
}
wclrtoeol(cw);
s_hungry = hungry_state;
wmove(cw, oy, ox);
}
/*
* wait_for
* Sit around until the guy types the right key
*/
void
wait_for(WINDOW *win, int ch)
{
int c;
if (ch == '\n')
while ((c = readchar(win)) != '\n' && c != '\r')
continue;
else
while (readchar(win) != ch)
continue;
}
/*
* show_win:
* function used to display a window and wait before returning
*/
void
show_win(WINDOW *scr, char *message)
{
mvwaddstr(scr, 0, 0, message);
touchwin(scr);
wmove(scr, hero.y, hero.x);
draw(scr);
wait_for(scr,' ');
clearok(cw, TRUE);
touchwin(cw);
}
void
flush_type()
{
flushinp();
}