442 lines
8.8 KiB
C
442 lines
8.8 KiB
C
/* $NetBSD: graphics.c,v 1.10 2003/08/07 09:36:54 agc Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ed James.
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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
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* are met:
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* 1. 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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* 2. 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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
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*
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* Copy permission is hereby granted provided that this notice is
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* retained on all partial or complete copies.
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*
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* For more info on this and all of my stuff, mail edjames@berkeley.edu.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)graphics.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: graphics.c,v 1.10 2003/08/07 09:36:54 agc Exp $");
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#endif
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#endif /* not lint */
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#include "include.h"
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#define C_TOPBOTTOM '-'
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#define C_LEFTRIGHT '|'
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#define C_AIRPORT '='
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#define C_LINE '+'
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#define C_BACKROUND '.'
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#define C_BEACON '*'
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#define C_CREDIT '*'
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WINDOW *radar, *cleanradar, *credit, *input, *planes;
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int
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getAChar()
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{
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int c;
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errno = 0;
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while ((c = getchar()) == EOF && errno == EINTR) {
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errno = 0;
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clearerr(stdin);
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}
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return(c);
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}
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void
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erase_all()
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{
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PLANE *pp;
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for (pp = air.head; pp != NULL; pp = pp->next) {
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wmove(cleanradar, pp->ypos, pp->xpos * 2);
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wmove(radar, pp->ypos, pp->xpos * 2);
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waddch(radar, winch(cleanradar));
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wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
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wmove(radar, pp->ypos, pp->xpos * 2 + 1);
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waddch(radar, winch(cleanradar));
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}
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}
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void
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draw_all()
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{
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PLANE *pp;
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for (pp = air.head; pp != NULL; pp = pp->next) {
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if (pp->status == S_MARKED)
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wstandout(radar);
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wmove(radar, pp->ypos, pp->xpos * 2);
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waddch(radar, name(pp));
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waddch(radar, '0' + pp->altitude);
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if (pp->status == S_MARKED)
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wstandend(radar);
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}
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wrefresh(radar);
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planewin();
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wrefresh(input); /* return cursor */
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fflush(stdout);
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}
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void
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init_gr()
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{
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static char buffer[BUFSIZ];
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initscr();
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setbuf(stdout, buffer);
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input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
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credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
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COLS - PLANE_COLS);
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planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
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}
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void
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setup_screen(scp)
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const C_SCREEN *scp;
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{
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int i, j;
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char str[3];
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const char *airstr;
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str[2] = '\0';
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if (radar != NULL)
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delwin(radar);
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radar = newwin(scp->height, scp->width * 2, 0, 0);
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if (cleanradar != NULL)
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delwin(cleanradar);
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cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
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/* minus one here to prevent a scroll */
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for (i = 0; i < PLANE_COLS - 1; i++) {
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wmove(credit, 0, i);
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waddch(credit, C_CREDIT);
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wmove(credit, INPUT_LINES - 1, i);
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waddch(credit, C_CREDIT);
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}
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wmove(credit, INPUT_LINES / 2, 1);
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waddstr(credit, AUTHOR_STR);
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for (i = 1; i < scp->height - 1; i++) {
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for (j = 1; j < scp->width - 1; j++) {
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wmove(radar, i, j * 2);
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waddch(radar, C_BACKROUND);
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}
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}
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/*
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* Draw the lines first, since people like to draw lines
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* through beacons and exit points.
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*/
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str[0] = C_LINE;
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for (i = 0; i < scp->num_lines; i++) {
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str[1] = ' ';
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draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
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scp->line[i].p2.x, scp->line[i].p2.y, str);
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}
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str[0] = C_TOPBOTTOM;
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str[1] = C_TOPBOTTOM;
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wmove(radar, 0, 0);
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for (i = 0; i < scp->width - 1; i++)
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waddstr(radar, str);
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waddch(radar, C_TOPBOTTOM);
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str[0] = C_TOPBOTTOM;
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str[1] = C_TOPBOTTOM;
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wmove(radar, scp->height - 1, 0);
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for (i = 0; i < scp->width - 1; i++)
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waddstr(radar, str);
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waddch(radar, C_TOPBOTTOM);
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for (i = 1; i < scp->height - 1; i++) {
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wmove(radar, i, 0);
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waddch(radar, C_LEFTRIGHT);
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wmove(radar, i, (scp->width - 1) * 2);
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waddch(radar, C_LEFTRIGHT);
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}
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str[0] = C_BEACON;
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for (i = 0; i < scp->num_beacons; i++) {
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str[1] = '0' + i;
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wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
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waddstr(radar, str);
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}
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for (i = 0; i < scp->num_exits; i++) {
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wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
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waddch(radar, '0' + i);
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}
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airstr = "^?>?v?<?";
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for (i = 0; i < scp->num_airports; i++) {
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str[0] = airstr[scp->airport[i].dir];
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str[1] = '0' + i;
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wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
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waddstr(radar, str);
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}
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overwrite(radar, cleanradar);
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wrefresh(radar);
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wrefresh(credit);
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fflush(stdout);
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}
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void
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draw_line(w, x, y, lx, ly, s)
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WINDOW *w;
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int x, y, lx, ly;
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const char *s;
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{
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int dx, dy;
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dx = SGN(lx - x);
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dy = SGN(ly - y);
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for (;;) {
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wmove(w, y, x * 2);
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waddstr(w, s);
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if (x == lx && y == ly)
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break;
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x += dx;
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y += dy;
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}
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}
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void
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ioclrtoeol(pos)
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int pos;
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{
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wmove(input, 0, pos);
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wclrtoeol(input);
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wrefresh(input);
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fflush(stdout);
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}
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void
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iomove(pos)
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int pos;
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{
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wmove(input, 0, pos);
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wrefresh(input);
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fflush(stdout);
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}
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void
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ioaddstr(pos, str)
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int pos;
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const char *str;
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{
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wmove(input, 0, pos);
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waddstr(input, str);
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wrefresh(input);
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fflush(stdout);
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}
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void
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ioclrtobot()
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{
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wclrtobot(input);
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wrefresh(input);
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fflush(stdout);
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}
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void
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ioerror(pos, len, str)
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int pos, len;
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const char *str;
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{
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int i;
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wmove(input, 1, pos);
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for (i = 0; i < len; i++)
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waddch(input, '^');
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wmove(input, 2, 0);
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waddstr(input, str);
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wrefresh(input);
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fflush(stdout);
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}
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void
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quit(dummy)
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int dummy __attribute__((__unused__));
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{
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int c, y, x;
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#ifdef BSD
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struct itimerval itv;
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#endif
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getyx(input, y, x);
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wmove(input, 2, 0);
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waddstr(input, "Really quit? (y/n) ");
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wclrtobot(input);
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wrefresh(input);
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fflush(stdout);
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c = getchar();
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if (c == EOF || c == 'y') {
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/* disable timer */
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#ifdef BSD
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itv.it_value.tv_sec = 0;
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itv.it_value.tv_usec = 0;
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setitimer(ITIMER_REAL, &itv, NULL);
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#endif
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#ifdef SYSV
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alarm(0);
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#endif
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fflush(stdout);
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clear();
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refresh();
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endwin();
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log_score(0);
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exit(0);
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}
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wmove(input, 2, 0);
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wclrtobot(input);
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wmove(input, y, x);
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wrefresh(input);
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fflush(stdout);
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}
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void
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planewin()
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{
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PLANE *pp;
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int warning = 0;
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#ifdef BSD
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wclear(planes);
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#endif
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wmove(planes, 0,0);
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#ifdef SYSV
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wclrtobot(planes);
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#endif
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wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
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wmove(planes, 2, 0);
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waddstr(planes, "pl dt comm");
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for (pp = air.head; pp != NULL; pp = pp->next) {
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if (waddch(planes, '\n') == ERR) {
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warning++;
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break;
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}
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waddstr(planes, command(pp));
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}
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waddch(planes, '\n');
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for (pp = ground.head; pp != NULL; pp = pp->next) {
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if (waddch(planes, '\n') == ERR) {
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warning++;
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break;
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}
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waddstr(planes, command(pp));
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}
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if (warning) {
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wmove(planes, LINES - INPUT_LINES - 1, 0);
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waddstr(planes, "---- more ----");
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wclrtoeol(planes);
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}
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wrefresh(planes);
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fflush(stdout);
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}
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void
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loser(p, s)
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const PLANE *p;
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const char *s;
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{
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int c;
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#ifdef BSD
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struct itimerval itv;
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#endif
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/* disable timer */
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#ifdef BSD
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itv.it_value.tv_sec = 0;
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itv.it_value.tv_usec = 0;
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setitimer(ITIMER_REAL, &itv, NULL);
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#endif
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#ifdef SYSV
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alarm(0);
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#endif
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wmove(input, 0, 0);
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wclrtobot(input);
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/* p may be NULL if we ran out of memory */
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if (p == NULL)
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wprintw(input, "%s\n\nHit space for top players list...", s);
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else
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wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
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name(p), s);
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wrefresh(input);
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fflush(stdout);
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while ((c = getchar()) != EOF && c != ' ')
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;
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clear(); /* move to top of screen */
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refresh();
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endwin();
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log_score(0);
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exit(0);
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}
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void
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redraw()
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{
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clear();
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refresh();
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touchwin(radar);
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wrefresh(radar);
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touchwin(planes);
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wrefresh(planes);
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touchwin(credit);
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wrefresh(credit);
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/* refresh input last to get cursor in right place */
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touchwin(input);
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wrefresh(input);
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fflush(stdout);
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}
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void
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done_screen()
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{
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clear();
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refresh();
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endwin(); /* clean up curses */
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}
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