+/*
+ * 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 "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);
+ 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)
+ C_SCREEN *scp;
+{
+ register int i, j;
+ char str[3], *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);
+ }
+
+ overwrite(radar, cleanradar);
+ wrefresh(radar);
+ wrefresh(credit);
+ fflush(stdout);
+}
+
+draw_line(w, x, y, lx, ly, s)
+ WINDOW *w;
+ 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)
+ char *str;
+{
+ wmove(input, 0, pos);
+ waddstr(input, str);
+ wrefresh(input);
+ fflush(stdout);
+}
+
+ioclrtobot()
+{
+ wclrtobot(input);
+ wrefresh(input);
+ fflush(stdout);
+}
+
+ioerror(pos, len, str)
+ 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", clock, 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)
+ PLANE *p;
+ 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 */
+}
projects / unix-history / commitdiff