/* $OpenBSD: graphics.c,v 1.8 2009/10/27 23:59:23 deraadt Exp $ */ /* $NetBSD: graphics.c,v 1.3 1995/03/21 15:04:04 cgd 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 <err.h> #include "include.h" #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; int getAChar(void) { int c; #ifdef BSD if ((c = getchar()) == EOF && feof(stdin)) quit(0); return (c); #endif #ifdef SYSV while ((c = getchar()) == -1 && errno == EINTR) ; return(c); #endif } 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 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); if (pp->status == S_MARKED) wstandend(radar); } wrefresh(radar); planewin(); wrefresh(input); /* return cursor */ fflush(stdout); } void setup_screen(const C_SCREEN *scp) { static char buffer[BUFSIZ]; int i, j; char str[3]; const char *airstr; initscr(); /* size of screen depends on chosen game, but we need at least 80 * columns for "Information area" to work. */ if (LINES < (INPUT_LINES + scp->height) || COLS < (PLANE_COLS + 2 * scp->width) || COLS < 80) { endwin(); errx(1, "screen too small."); } 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); 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); } 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); if (x == lx && y == ly) break; x += dx; y += dy; } } void ioclrtoeol(int pos) { wmove(input, 0, pos); wclrtoeol(input); wrefresh(input); fflush(stdout); } void iomove(int pos) { wmove(input, 0, pos); wrefresh(input); fflush(stdout); } void ioaddstr(int pos, const char *str) { wmove(input, 0, pos); waddstr(input, str); wrefresh(input); fflush(stdout); } void ioclrtobot(void) { wclrtobot(input); wrefresh(input); fflush(stdout); } void ioerror(int pos, int len, 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); } void quit(int dummy) { 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); } void planewin(void) { PLANE *pp; 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); } void loser(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); if (p == NULL) wprintw(input, "%s\n\nHit space for top players list...", s); else 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); } void redraw(void) { 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); } void done_screen(void) { clear(); refresh(); endwin(); /* clean up curses */ }