146 lines
2.2 KiB
C
146 lines
2.2 KiB
C
/* $NetBSD: terminal.c,v 1.2 1997/10/10 16:34:05 lukem Exp $ */
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/*
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* Hunt
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* Copyright (c) 1985 Conrad C. Huang, Gregory S. Couch, Kenneth C.R.C. Arnold
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* San Francisco, California
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: terminal.c,v 1.2 1997/10/10 16:34:05 lukem Exp $");
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#endif /* not lint */
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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# include "hunt.h"
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# define TERM_WIDTH 80 /* Assume terminals are 80-char wide */
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/*
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* cgoto:
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* Move the cursor to the given position on the given player's
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* terminal.
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*/
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void
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cgoto(pp, y, x)
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PLAYER *pp;
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int y, x;
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{
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if (x == pp->p_curx && y == pp->p_cury)
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return;
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sendcom(pp, MOVE, y, x);
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pp->p_cury = y;
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pp->p_curx = x;
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}
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/*
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* outch:
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* Put out a single character.
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*/
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void
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outch(pp, ch)
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PLAYER *pp;
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char ch;
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{
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if (++pp->p_curx >= TERM_WIDTH) {
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pp->p_curx = 0;
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pp->p_cury++;
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}
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(void) putc(ch, pp->p_output);
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}
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/*
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* outstr:
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* Put out a string of the given length.
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*/
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void
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outstr(pp, str, len)
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PLAYER *pp;
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char *str;
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int len;
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{
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pp->p_curx += len;
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pp->p_cury += (pp->p_curx / TERM_WIDTH);
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pp->p_curx %= TERM_WIDTH;
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while (len--)
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(void) putc(*str++, pp->p_output);
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}
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/*
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* clrscr:
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* Clear the screen, and reset the current position on the screen.
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*/
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void
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clrscr(pp)
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PLAYER *pp;
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{
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sendcom(pp, CLEAR);
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pp->p_cury = 0;
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pp->p_curx = 0;
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}
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/*
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* ce:
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* Clear to the end of the line
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*/
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void
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ce(pp)
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PLAYER *pp;
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{
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sendcom(pp, CLRTOEOL);
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}
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#if 0 /* XXX lukem*/
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/*
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* ref;
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* Refresh the screen
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*/
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void
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ref(pp)
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PLAYER *pp;
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{
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sendcom(pp, REFRESH);
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}
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#endif
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/*
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* sendcom:
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* Send a command to the given user
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*/
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void
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#if __STDC__
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sendcom(PLAYER *pp, int command, ...)
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#else
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sendcom(pp, command, va_alist)
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PLAYER *pp;
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int command;
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va_dcl
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#endif
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{
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va_list ap;
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int arg1, arg2;
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#if __STDC__
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va_start(ap, command);
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#else
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va_start(ap);
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#endif
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(void) putc(command, pp->p_output);
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switch (command & 0377) {
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case MOVE:
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arg1 = va_arg(ap, int);
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arg2 = va_arg(ap, int);
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(void) putc(arg1, pp->p_output);
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(void) putc(arg2, pp->p_output);
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break;
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case ADDCH:
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case READY:
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arg1 = va_arg(ap, int);
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(void) putc(arg1, pp->p_output);
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break;
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}
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va_end(ap); /* No return needed for void functions. */
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}
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