NetBSD/games/atc/graphics.c

414 lines
9.3 KiB
C

/* $NetBSD: graphics.c,v 1.20 2015/06/25 05:33:02 dholland Exp $ */
/*-
* 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)graphics.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: graphics.c,v 1.20 2015/06/25 05:33:02 dholland Exp $");
#endif
#endif /* not lint */
#include <stdio.h>
#include <stdlib.h>
#include <curses.h>
#include <errno.h>
#include <err.h>
#include "def.h"
#include "struct.h"
#include "extern.h"
#include "tunable.h"
#define C_TOPBOTTOM '-'
#define C_LEFTRIGHT '|'
#define C_AIRPORT '='
#define C_LINE '+'
#define C_BACKROUND '.'
#define C_BEACON '*'
#define C_CREDIT '*'
static void draw_line(WINDOW *, int, int, int, int, const char *);
static WINDOW *radar, *cleanradar, *credit, *input, *planes;
int
getAChar(void)
{
int c;
errno = 0;
while ((c = getchar()) == EOF && errno == EINTR) {
errno = 0;
clearerr(stdin);
}
return(c);
}
void
erase_all(void)
{
PLANE *pp;
for (pp = air.head; pp != NULL; pp = pp->next) {
(void)wmove(cleanradar, pp->ypos, pp->xpos * 2);
(void)wmove(radar, pp->ypos, pp->xpos * 2);
(void)waddch(radar, winch(cleanradar));
(void)wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
(void)wmove(radar, pp->ypos, pp->xpos * 2 + 1);
(void)waddch(radar, winch(cleanradar));
}
}
void
draw_all(void)
{
PLANE *pp;
for (pp = air.head; pp != NULL; pp = pp->next) {
if (pp->status == S_MARKED)
(void)wstandout(radar);
(void)wmove(radar, pp->ypos, pp->xpos * 2);
(void)waddch(radar, name(pp));
(void)waddch(radar, '0' + pp->altitude);
if (pp->status == S_MARKED)
(void)wstandend(radar);
}
(void)wrefresh(radar);
(void)planewin();
(void)wrefresh(input); /* return cursor */
(void)fflush(stdout);
}
void
init_gr(void)
{
static char buffer[BUFSIZ];
if (!initscr())
errx(0, "couldn't initialize screen");
setbuf(stdout, buffer);
input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
COLS - PLANE_COLS);
planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
}
void
shutdown_gr(void)
{
(void)clear(); /* move to top of screen */
(void)refresh();
(void)fflush(stdout);
(void)endwin();
}
void
setup_screen(const C_SCREEN *scp)
{
int i, j;
unsigned iu;
char str[3];
const char *airstr;
str[2] = '\0';
if (radar != NULL)
(void)delwin(radar);
radar = newwin(scp->height, scp->width * 2, 0, 0);
if (cleanradar != NULL)
(void)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++) {
(void)wmove(credit, 0, i);
(void)waddch(credit, C_CREDIT);
(void)wmove(credit, INPUT_LINES - 1, i);
(void)waddch(credit, C_CREDIT);
}
(void)wmove(credit, INPUT_LINES / 2, 1);
(void)waddstr(credit, AUTHOR_STR);
for (i = 1; i < scp->height - 1; i++) {
for (j = 1; j < scp->width - 1; j++) {
(void)wmove(radar, i, j * 2);
(void)waddch(radar, C_BACKROUND);
}
}
/*
* Draw the lines first, since people like to draw lines
* through beacons and exit points.
*/
str[0] = C_LINE;
for (iu = 0; iu < scp->num_lines; iu++) {
str[1] = ' ';
draw_line(radar, scp->line[iu].p1.x, scp->line[iu].p1.y,
scp->line[iu].p2.x, scp->line[iu].p2.y, str);
}
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
(void)wmove(radar, 0, 0);
for (i = 0; i < scp->width - 1; i++)
(void)waddstr(radar, str);
(void)waddch(radar, C_TOPBOTTOM);
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
(void)wmove(radar, scp->height - 1, 0);
for (i = 0; i < scp->width - 1; i++)
(void)waddstr(radar, str);
(void)waddch(radar, C_TOPBOTTOM);
for (i = 1; i < scp->height - 1; i++) {
(void)wmove(radar, i, 0);
(void)waddch(radar, C_LEFTRIGHT);
(void)wmove(radar, i, (scp->width - 1) * 2);
(void)waddch(radar, C_LEFTRIGHT);
}
str[0] = C_BEACON;
for (iu = 0; iu < scp->num_beacons; iu++) {
str[1] = '0' + iu;
(void)wmove(radar, scp->beacon[iu].y, scp->beacon[iu].x * 2);
(void)waddstr(radar, str);
}
for (iu = 0; iu < scp->num_exits; iu++) {
(void)wmove(radar, scp->exit[iu].y, scp->exit[iu].x * 2);
(void)waddch(radar, '0' + iu);
}
airstr = "^?>?v?<?";
for (iu = 0; iu < scp->num_airports; iu++) {
str[0] = airstr[scp->airport[iu].dir];
str[1] = '0' + iu;
(void)wmove(radar, scp->airport[iu].y, scp->airport[iu].x * 2);
(void)waddstr(radar, str);
}
(void)overwrite(radar, cleanradar);
(void)wrefresh(radar);
(void)wrefresh(credit);
(void)fflush(stdout);
}
static void
draw_line(WINDOW *w, int x, int y, int lx, int ly, const char *s)
{
int dx, dy;
dx = SGN(lx - x);
dy = SGN(ly - y);
for (;;) {
(void)wmove(w, y, x * 2);
(void)waddstr(w, s);
if (x == lx && y == ly)
break;
x += dx;
y += dy;
}
}
void
ioclrtoeol(int pos)
{
(void)wmove(input, 0, pos);
(void)wclrtoeol(input);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
iomove(int pos)
{
(void)wmove(input, 0, pos);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
ioaddstr(int pos, const char *str)
{
(void)wmove(input, 0, pos);
(void)waddstr(input, str);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
ioclrtobot(void)
{
(void)wclrtobot(input);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
ioerror(int pos, int len, const char *str)
{
int i;
(void)wmove(input, 1, pos);
for (i = 0; i < len; i++)
(void)waddch(input, '^');
(void)wmove(input, 2, 0);
(void)waddstr(input, str);
(void)wrefresh(input);
(void)fflush(stdout);
}
static int ioquit_x, ioquit_y;
void
ioaskquit(void)
{
getyx(input, ioquit_y, ioquit_x);
(void)wmove(input, 2, 0);
(void)waddstr(input, "Really quit? (y/n) ");
(void)wclrtobot(input);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
ionoquit(void)
{
(void)wmove(input, 2, 0);
(void)wclrtobot(input);
(void)wmove(input, ioquit_y, ioquit_x);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
planewin(void)
{
PLANE *pp;
int warning = 0;
#ifdef BSD
(void)wclear(planes);
#endif
(void)wmove(planes, 0,0);
#ifdef SYSV
wclrtobot(planes);
#endif
(void)wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
(void)wmove(planes, 2, 0);
(void)waddstr(planes, "pl dt comm");
for (pp = air.head; pp != NULL; pp = pp->next) {
if (waddch(planes, '\n') == ERR) {
warning++;
break;
}
(void)waddstr(planes, command(pp));
}
(void)waddch(planes, '\n');
for (pp = ground.head; pp != NULL; pp = pp->next) {
if (waddch(planes, '\n') == ERR) {
warning++;
break;
}
(void)waddstr(planes, command(pp));
}
if (warning) {
(void)wmove(planes, LINES - INPUT_LINES - 1, 0);
(void)waddstr(planes, "---- more ----");
(void)wclrtoeol(planes);
}
(void)wrefresh(planes);
(void)fflush(stdout);
}
void
losermsg(const PLANE *p, const char *msg)
{
(void)wmove(input, 0, 0);
(void)wclrtobot(input);
/* p may be NULL if we ran out of memory */
if (p == NULL)
(void)wprintw(input, "%s\n\nHit space for top players list...",
msg);
else {
(void)wprintw(input, "Plane '%c' %s\n\n", name(p), msg);
(void)wprintw(input, "Hit space for top players list...");
}
(void)wrefresh(input);
(void)fflush(stdout);
}
void
redraw(void)
{
(void)clear();
(void)refresh();
(void)touchwin(radar);
(void)wrefresh(radar);
(void)touchwin(planes);
(void)wrefresh(planes);
(void)touchwin(credit);
(void)wrefresh(credit);
/* refresh input last to get cursor in right place */
(void)touchwin(input);
(void)wrefresh(input);
(void)fflush(stdout);
}
void
done_screen(void)
{
(void)clear();
(void)refresh();
(void)endwin(); /* clean up curses */
}