+/* $NetBSD: graphics.c,v 1.16 2009/08/12 04:48:03 dholland Exp $ */
+
/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
+ * 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.
* 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
+ * 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.
*
* For more info on this and all of my stuff, mail edjames@berkeley.edu.
*/
+#include <sys/cdefs.h>
#ifndef lint
-/*static char sccsid[] = "from: @(#)graphics.c 5.3 (Berkeley) 10/30/90";*/
-static char rcsid[] = "$Id: graphics.c,v 1.2 1993/08/01 18:57:09 mycroft Exp $";
+#if 0
+static char sccsid[] = "@(#)graphics.c 8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: graphics.c,v 1.16 2009/08/12 04:48:03 dholland Exp $");
+#endif
#endif /* not lint */
#include "include.h"
-#ifdef SYSV
-#include <errno.h>
-#endif
#define C_TOPBOTTOM '-'
#define C_LEFTRIGHT '|'
#define C_BEACON '*'
#define C_CREDIT '*'
-WINDOW *radar, *cleanradar, *credit, *input, *planes;
+static void draw_line(WINDOW *, int, int, int, int, const char *);
+
+static WINDOW *radar, *cleanradar, *credit, *input, *planes;
-getAChar()
+int
+getAChar(void)
{
-#ifdef BSD
- return (getchar());
-#endif
-#ifdef SYSV
int c;
- while ((c = getchar()) == -1 && errno == EINTR) ;
+ errno = 0;
+ while ((c = getchar()) == EOF && errno == EINTR) {
+ errno = 0;
+ clearerr(stdin);
+ }
return(c);
-#endif
}
-erase_all()
+void
+erase_all(void)
{
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));
+ (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));
}
}
-draw_all()
+void
+draw_all(void)
{
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);
+ (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)
- wstandend(radar);
+ (void)wstandend(radar);
}
- wrefresh(radar);
- planewin();
- wrefresh(input); /* return cursor */
- fflush(stdout);
+ (void)wrefresh(radar);
+ (void)planewin();
+ (void)wrefresh(input); /* return cursor */
+ (void)fflush(stdout);
}
-init_gr()
+void
+init_gr(void)
{
static char buffer[BUFSIZ];
- initscr();
+ 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,
planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
}
-setup_screen(scp)
- C_SCREEN *scp;
+void
+setup_screen(const C_SCREEN *scp)
{
- register int i, j;
- char str[3], *airstr;
+ int i, j;
+ char str[3];
+ const char *airstr;
str[2] = '\0';
if (radar != NULL)
- delwin(radar);
+ (void)delwin(radar);
radar = newwin(scp->height, scp->width * 2, 0, 0);
if (cleanradar != NULL)
- delwin(cleanradar);
+ (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++) {
- wmove(credit, 0, i);
- waddch(credit, C_CREDIT);
- wmove(credit, INPUT_LINES - 1, i);
- waddch(credit, C_CREDIT);
+ (void)wmove(credit, 0, i);
+ (void)waddch(credit, C_CREDIT);
+ (void)wmove(credit, INPUT_LINES - 1, i);
+ (void)waddch(credit, C_CREDIT);
}
- wmove(credit, INPUT_LINES / 2, 1);
- waddstr(credit, AUTHOR_STR);
+ (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++) {
- wmove(radar, i, j * 2);
- waddch(radar, C_BACKROUND);
+ (void)wmove(radar, i, j * 2);
+ (void)waddch(radar, C_BACKROUND);
}
}
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
- wmove(radar, 0, 0);
+ (void)wmove(radar, 0, 0);
for (i = 0; i < scp->width - 1; i++)
- waddstr(radar, str);
- waddch(radar, C_TOPBOTTOM);
+ (void)waddstr(radar, str);
+ (void)waddch(radar, C_TOPBOTTOM);
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
- wmove(radar, scp->height - 1, 0);
+ (void)wmove(radar, scp->height - 1, 0);
for (i = 0; i < scp->width - 1; i++)
- waddstr(radar, str);
- waddch(radar, C_TOPBOTTOM);
+ (void)waddstr(radar, str);
+ (void)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);
+ (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 (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);
+ (void)wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
+ (void)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);
+ (void)wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
+ (void)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);
+ (void)wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
+ (void)waddstr(radar, str);
}
- overwrite(radar, cleanradar);
- wrefresh(radar);
- wrefresh(credit);
- fflush(stdout);
+ (void)overwrite(radar, cleanradar);
+ (void)wrefresh(radar);
+ (void)wrefresh(credit);
+ (void)fflush(stdout);
}
-draw_line(w, x, y, lx, ly, s)
- WINDOW *w;
- char *s;
+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 (;;) {
- wmove(w, y, x * 2);
- waddstr(w, s);
+ (void)wmove(w, y, x * 2);
+ (void)waddstr(w, s);
if (x == lx && y == ly)
break;
x += dx;
}
}
-ioclrtoeol(pos)
+void
+ioclrtoeol(int pos)
{
- wmove(input, 0, pos);
- wclrtoeol(input);
- wrefresh(input);
- fflush(stdout);
+ (void)wmove(input, 0, pos);
+ (void)wclrtoeol(input);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-iomove(pos)
+void
+iomove(int pos)
{
- wmove(input, 0, pos);
- wrefresh(input);
- fflush(stdout);
+ (void)wmove(input, 0, pos);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-ioaddstr(pos, str)
- char *str;
+void
+ioaddstr(int pos, const char *str)
{
- wmove(input, 0, pos);
- waddstr(input, str);
- wrefresh(input);
- fflush(stdout);
+ (void)wmove(input, 0, pos);
+ (void)waddstr(input, str);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-ioclrtobot()
+void
+ioclrtobot(void)
{
- wclrtobot(input);
- wrefresh(input);
- fflush(stdout);
+ (void)wclrtobot(input);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-ioerror(pos, len, str)
- char *str;
+void
+ioerror(int pos, int len, const char *str)
{
int i;
- wmove(input, 1, pos);
+ (void)wmove(input, 1, pos);
for (i = 0; i < len; i++)
- waddch(input, '^');
- wmove(input, 2, 0);
- waddstr(input, str);
- wrefresh(input);
- fflush(stdout);
+ (void)waddch(input, '^');
+ (void)wmove(input, 2, 0);
+ (void)waddstr(input, str);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-quit()
+/* ARGSUSED */
+void
+quit(int dummy __unused)
{
int c, y, x;
#ifdef BSD
#endif
getyx(input, y, x);
- wmove(input, 2, 0);
- waddstr(input, "Really quit? (y/n) ");
- wclrtobot(input);
- wrefresh(input);
- fflush(stdout);
+ (void)wmove(input, 2, 0);
+ (void)waddstr(input, "Really quit? (y/n) ");
+ (void)wclrtobot(input);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
c = getchar();
if (c == EOF || c == 'y') {
#ifdef BSD
itv.it_value.tv_sec = 0;
itv.it_value.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
+ (void)setitimer(ITIMER_REAL, &itv, NULL);
#endif
#ifdef SYSV
alarm(0);
#endif
- fflush(stdout);
- clear();
- refresh();
- endwin();
- log_score(0);
+ (void)fflush(stdout);
+ (void)clear();
+ (void)refresh();
+ (void)endwin();
+ (void)log_score(0);
exit(0);
}
- wmove(input, 2, 0);
- wclrtobot(input);
- wmove(input, y, x);
- wrefresh(input);
- fflush(stdout);
- return;
+ (void)wmove(input, 2, 0);
+ (void)wclrtobot(input);
+ (void)wmove(input, y, x);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-planewin()
+void
+planewin(void)
{
PLANE *pp;
- char *command();
int warning = 0;
#ifdef BSD
- wclear(planes);
+ (void)wclear(planes);
#endif
- wmove(planes, 0,0);
+ (void)wmove(planes, 0,0);
#ifdef SYSV
wclrtobot(planes);
#endif
- wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
- wmove(planes, 2, 0);
+ (void)wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
+ (void)wmove(planes, 2, 0);
- waddstr(planes, "pl dt comm");
+ (void)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));
+ (void)waddstr(planes, command(pp));
}
- waddch(planes, '\n');
+ (void)waddch(planes, '\n');
for (pp = ground.head; pp != NULL; pp = pp->next) {
if (waddch(planes, '\n') == ERR) {
warning++;
break;
}
- waddstr(planes, command(pp));
+ (void)waddstr(planes, command(pp));
}
if (warning) {
- wmove(planes, LINES - INPUT_LINES - 1, 0);
- waddstr(planes, "---- more ----");
- wclrtoeol(planes);
+ (void)wmove(planes, LINES - INPUT_LINES - 1, 0);
+ (void)waddstr(planes, "---- more ----");
+ (void)wclrtoeol(planes);
}
- wrefresh(planes);
- fflush(stdout);
+ (void)wrefresh(planes);
+ (void)fflush(stdout);
}
-loser(p, s)
- PLANE *p;
- char *s;
+void
+loser(const PLANE *p, const char *s)
{
int c;
#ifdef BSD
#ifdef BSD
itv.it_value.tv_sec = 0;
itv.it_value.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
+ (void)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);
+ (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...",
+ s);
+ else {
+ (void)wprintw(input, "Plane '%c' %s\n\n", name(p), s);
+ (void)wprintw(input, "Hit space for top players list...");
+ }
+ (void)wrefresh(input);
+ (void)fflush(stdout);
while ((c = getchar()) != EOF && c != ' ')
;
- clear(); /* move to top of screen */
- refresh();
- endwin();
- log_score(0);
+ (void)clear(); /* move to top of screen */
+ (void)refresh();
+ (void)endwin();
+ (void)log_score(0);
exit(0);
}
-redraw()
+void
+redraw(void)
{
- clear();
- refresh();
+ (void)clear();
+ (void)refresh();
- touchwin(radar);
- wrefresh(radar);
- touchwin(planes);
- wrefresh(planes);
- touchwin(credit);
- wrefresh(credit);
+ (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 */
- touchwin(input);
- wrefresh(input);
- fflush(stdout);
+ (void)touchwin(input);
+ (void)wrefresh(input);
+ (void)fflush(stdout);
}
-
-done_screen()
+void
+done_screen(void)
{
- clear();
- refresh();
- endwin(); /* clean up curses */
+ (void)clear();
+ (void)refresh();
+ (void)endwin(); /* clean up curses */
}
git.ckatri.com / bsdgames-darwin.git / blobdiff