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https://salsa.debian.org/games-team/bsdgames
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157 lines
3.5 KiB
C
157 lines
3.5 KiB
C
/* $NetBSD: terminal.c,v 1.4 2003/06/11 12:00:23 wiz Exp $ */
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/*
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* Copyright (c) 1983-2003, Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* + Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* + Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* + Neither the name of the University of California, San Francisco nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 1.4 2003/06/11 12:00:23 wiz Exp $");
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#endif /* not lint */
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#include <stdarg.h>
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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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const 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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sendcom(PLAYER *pp, int command, ...)
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{
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va_list ap;
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int arg1, arg2;
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va_start(ap, command);
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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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