view srogue/io.c @ 229:50b89f165a34

Use uniform return types for functions related to options. Functions for printing options now return void. Functions for setting options now return int. Argument types still vary, though converting all the option pointers to void* would be possible.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 14:45:18 -0500
parents 94a0d9dd5ce1
children 70aa5808c782
line wrap: on
line source

/*
 * Various input/output functions
 *
 * @(#)io.c	9.0	(rdk)	 7/17/84
 *
 * Super-Rogue
 * Copyright (C) 1984 Robert D. Kindelberger
 * All rights reserved.
 *
 * Based on "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 <stdarg.h>
#include <ctype.h>
#include <string.h>
#include "rogue.h"
#include "rogue.ext"

void doadd(char *fmt, va_list ap);

/*
 * msg:
 *	Display a message at the top of the screen.
 */
static char msgbuf[BUFSIZ];
static int newpos = 0;

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();
}

/*
 * addmsg:
 *	Add things to the current message
 */
void
addmsg(char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	doadd(fmt, ap);
	va_end(ap);
}

/*
 * endmsg:
 * 	Display a new msg, giving him a chance to see the
 *	previous one if it is up there with the --More--
 */
void
endmsg(void)
{
	strcpy(huh, msgbuf);
	if (mpos > 0) {
		wmove(cw, 0, mpos);
		waddstr(cw, morestr);
		draw(cw);
		wait_for(cw, ' ');
	}
	mvwaddstr(cw, 0, 0, msgbuf);
	wclrtoeol(cw);
	mpos = newpos;
	newpos = 0;
	draw(cw);
}

/*
 * doadd:
 *	Perform a printf into a buffer
 */
void
doadd(char *fmt, va_list ap)
{
	vsprintf(&msgbuf[newpos], fmt, ap);
	newpos = strlen(msgbuf);
}

/*
 * step_ok:
 *	Returns TRUE if it is ok to step on ch
 */
bool
step_ok(unsigned char ch)
{
	if (dead_end(ch))
		return FALSE;
	else if (ch >= 32 && ch <= 127 && !isalpha(ch))
		return TRUE;
	return FALSE;
}


/*
 * dead_end:
 *	Returns TRUE if you cant walk through that character
 */
bool
dead_end(char ch)
{
	if (ch == '-' || ch == '|' || ch == ' ' || ch == SECRETDOOR)
		return TRUE;
	else
		return FALSE;
}


/*
 * readchar:
 *	flushes stdout so that screen is up to date and then returns
 *	getchar.
 */

int
readchar(void)
{
	char c;

	fflush(stdout);
        return( md_readchar(cw) );
}

char *hungstr[] = {
	"",
	"  HUNGRY",
	"  STARVING",
	"  FAINTING",
};

/*
 * status:
 *	Display the important stats line.  Keep the cursor where it was.
 */
void
status(int fromfuse)
{
	reg int totwght, carwght;
	reg struct real *stef, *stre, *stmx;
	reg char *pb;
	int oy, ox, ch;
	static char buf[LINLEN];
	static char hwidth[] = { "%2d(%2d)" };

	/*
	 * If nothing has changed since the last time, then done
	 */
	if (nochange)
		return;
	nochange = TRUE;
	updpack();					/* get all weight info */
	stef = &player.t_stats.s_ef;
	stre = &player.t_stats.s_re;
	stmx = &max_stats.s_re;
	totwght = him->s_carry / 10;
	carwght = him->s_pack / 10;
	getyx(cw, oy, ox);
	if (him->s_maxhp >= 100) {
		hwidth[1] = '3';	/* if hit point >= 100	*/
		hwidth[5] = '3';	/* change %2d to %3d	*/
	}
	if (stre->a_str < stmx->a_str)
		ch = '*';
	else
		ch = ' ';
	sprintf(buf, "Str: %2d(%c%2d)", stef->a_str, ch, stre->a_str);
	pb = &buf[strlen(buf)];
	if (stre->a_dex < stmx->a_dex)
		ch = '*';
	else
		ch = ' ';
	sprintf(pb, "  Dex: %2d(%c%2d)", stef->a_dex, ch, stre->a_dex);
	pb = &buf[strlen(buf)];
	if (stre->a_wis < stmx->a_wis)
		ch = '*';
	else
		ch = ' ';
	sprintf(pb, "  Wis: %2d(%c%2d)", stef->a_wis, ch, stre->a_wis);
	pb = &buf[strlen(buf)];
	if (stre->a_con < stmx->a_con)
		ch = '*';
	else
		ch = ' ';
	sprintf(pb, "  Con: %2d(%c%2d)", stef->a_con, ch, stre->a_con);
	pb = &buf[strlen(buf)];
	sprintf(pb, "  Carry: %3d(%3d)", carwght, totwght);
	mvwaddstr(cw, LINES - 1, 0, buf);
	sprintf(buf, "Level: %d  Gold: %5d  Hp: ",level, purse);
	pb = &buf[strlen(buf)];
	sprintf(pb, hwidth, him->s_hpt, him->s_maxhp);
	pb = &buf[strlen(buf)];
	sprintf(pb,"  Ac: %-2d  Exp: %d/%ld",cur_armor == NULL ? him->s_arm :
	  cur_armor->o_ac, him->s_lvl, him->s_exp);
	carwght = (packvol * 100) / V_PACK;
	pb = &buf[strlen(buf)];
	sprintf(pb, "  Vol: %3d%%", carwght);
	mvwaddstr(cw, LINES - 2, 0, buf);
	waddstr(cw, hungstr[hungry_state]);
	wclrtoeol(cw);
	wmove(cw, oy, ox);
}

/*
 * dispmax:
 *	Display the hero's maximum status
 */
void
dispmax(void)
{
	reg struct real *hmax;

	hmax = &max_stats.s_re;
	msg("Maximums:  Str = %d  Dex = %d  Wis = %d  Con = %d",
		hmax->a_str, hmax->a_dex, hmax->a_wis, hmax->a_con);
}

/*
 * illeg_ch:
 * 	Returns TRUE if a char shouldn't show on the screen
 */
bool
illeg_ch(unsigned char ch)
{
	if (ch < 32 || ch > 127)
		return TRUE;
	if (ch >= '0' && ch <= '9')
		return TRUE;
	return FALSE;
}

/*
 * wait_for:
 *	Sit around until the guy types the right key
 */
void
wait_for(WINDOW *win, char ch)
{
	register char c;

	if (ch == '\n')
	    while ((c = wgetch(win)) != '\n' && c != '\r')
			continue;
	else
	    while (wgetch(win) != ch)
			continue;
}

#ifdef NEED_GETTIME
#include <stdio.h>

/*
 * gettime:
 *	This routine returns the current time as a string
 */
#ifdef ATT
#include <time.h>
#endif
#ifdef BSD
#include <sys/time.h>
#endif

char *
gettime()
{
	register char *timeptr;
	char *ctime();
	long int now, time();

	time(&now);		/* get current time */
	timeptr = ctime(&now);	/* convert to string */
	return timeptr;		/* return the string */
}
#endif


/*
 * dbotline:
 *	Displays message on bottom line and waits for a space to return
 */
void
dbotline(WINDOW *scr, char *message)
{
	mvwaddstr(scr,LINES-1,0,message);
	draw(scr);
	wait_for(scr,' ');	
}


/*
 * restscr:
 *	Restores the screen to the terminal
 */
void
restscr(WINDOW *scr)
{
	clearok(scr,TRUE);
	touchwin(scr);
}

/*
 * npch:
 *	Get the next char in line for inventories
 */
char
npch(char ch)
{
	reg char nch;
	if (ch >= 'z')
		nch = 'A';
	else
		nch = ch + 1;
	return nch;
}