freebsd-skq/games/atc/graphics.c

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