Replace C version with Python
This is a (slightly buggy) Python port of Worm. The only change from bsdgames worm (other than the programming language and any bugs that were added or fixed) is that WASD is now supported.
This commit is contained in:
parent
1772e8df6d
commit
76c9dc37b7
4
Makefile
4
Makefile
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@ -1,4 +0,0 @@
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libworm.so: worm.c
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gcc -c worm.c -l curses -fPIC
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gcc -shared -o libworm.so worm.o -l curses
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rm worm.o
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371
worm.c
371
worm.c
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@ -1,371 +0,0 @@
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/* $NetBSD: worm.c,v 1.25 2004/01/27 20:30:31 jsm Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Copyright (c) 2021
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* Samuel L Sloniker. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif / * not lint * /
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)worm.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: worm.c,v 1.25 2004/01/27 20:30:31 jsm Exp $");
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#endif
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#endif / * not lint * /
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*/
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/*
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* Worm. Written by Michael Toy
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* UCSC
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*/
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#include <ctype.h>
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#include <curses.h>
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#include <err.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <termios.h>
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#include <unistd.h>
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#define newlink() (struct body *) malloc(sizeof (struct body));
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#define HEAD '@'
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#define BODY 'o'
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#define LENGTH 7
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#define RUNLEN 8
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#define CNTRL(p) (p-'A'+1)
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WINDOW *tv;
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WINDOW *stw;
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struct body {
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int x;
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int y;
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struct body *prev;
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struct body *next;
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} *head, *tail, goody;
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int growing = 0;
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int running = 0;
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int slow = 0;
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int score = 0;
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int start_len = LENGTH;
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int visible_len;
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int lastch;
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char outbuf[BUFSIZ];
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void crash(void) __attribute__((__noreturn__));
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void display(const struct body *, char);
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void set_size(int);
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int run_worm();
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void leave(int) __attribute__((__noreturn__));
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void life(void);
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void newpos(struct body *);
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void process(int);
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void prize(void);
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int rnd(int);
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void setup(void);
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void wake(int);
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void set_size(int sl) {
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start_len = sl;
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}
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int run_worm() {
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/* Revoke setgid privileges */
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setregid(getgid(), getgid());
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setbuf(stdout, outbuf);
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srand(getpid());
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signal(SIGALRM, wake);
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signal(SIGINT, leave);
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signal(SIGQUIT, leave);
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initscr();
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cbreak();
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noecho();
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#ifdef KEY_LEFT
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keypad(stdscr, TRUE);
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#endif
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slow = (baudrate() <= 1200);
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clear();
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if (COLS < 18 || LINES < 5) {
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/*
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* Insufficient room for the line with " Worm" and the
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* score if fewer than 18 columns; insufficient room for
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* anything much if fewer than 5 lines.
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*/
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endwin();
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errx(1, "screen too small");
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}
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stw = newwin(1, COLS-1, 0, 0);
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tv = newwin(LINES-1, COLS-1, 1, 0);
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box(tv, '*', '*');
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scrollok(tv, FALSE);
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scrollok(stw, FALSE);
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wmove(stw, 0, 0);
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wprintw(stw, " Worm");
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refresh();
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wrefresh(stw);
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wrefresh(tv);
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life(); /* Create the worm */
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prize(); /* Put up a goal */
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while(1)
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{
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if (running)
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{
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running--;
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process(lastch);
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}
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else
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{
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fflush(stdout);
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process(getch());
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}
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}
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}
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void
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life()
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{
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struct body *bp, *np;
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int i, j = 1;
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np = NULL;
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head = newlink();
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if (head == NULL)
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err(1, NULL);
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head->x = start_len % (COLS-5) + 2;
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head->y = LINES / 2;
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head->next = NULL;
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display(head, HEAD);
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for (i = 0, bp = head; i < start_len; i++, bp = np) {
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np = newlink();
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if (np == NULL)
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err(1, NULL);
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np->next = bp;
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bp->prev = np;
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if (((bp->x <= 2) && (j == 1)) || ((bp->x >= COLS-4) && (j == -1))) {
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j *= -1;
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np->x = bp->x;
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np->y = bp->y + 1;
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} else {
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np->x = bp->x - j;
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np->y = bp->y;
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}
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display(np, BODY);
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}
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tail = np;
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tail->prev = NULL;
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visible_len = start_len + 1;
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}
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void
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display(pos, chr)
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const struct body *pos;
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char chr;
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{
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wmove(tv, pos->y, pos->x);
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waddch(tv, chr);
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}
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void
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leave(dummy)
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int dummy;
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{
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endwin();
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if (dummy == 0){ /* called via crash() */
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printf("\nWell, you ran into something and the game is over.\n");
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printf("Your final score was %d\n\n", score);
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}
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exit(0);
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}
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void
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wake(dummy)
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int dummy __attribute__((__unused__));
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{
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signal(SIGALRM, wake);
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fflush(stdout);
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process(lastch);
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}
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int
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rnd(range)
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int range;
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{
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return abs((rand()>>5)+(rand()>>5)) % range;
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}
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void
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newpos(bp)
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struct body * bp;
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{
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if (visible_len == (LINES-3) * (COLS-3) - 1) {
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endwin();
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printf("\nYou won!\n");
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printf("Your final score was %d\n\n", score);
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exit(0);
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}
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do {
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bp->y = rnd(LINES-3)+ 1;
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bp->x = rnd(COLS-3) + 1;
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wmove(tv, bp->y, bp->x);
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} while(winch(tv) != ' ');
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}
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void
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prize()
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{
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int value;
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value = rnd(9) + 1;
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newpos(&goody);
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waddch(tv, value+'0');
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wrefresh(tv);
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}
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void
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process(ch)
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int ch;
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{
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int x,y;
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struct body *nh;
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alarm(0);
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x = head->x;
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y = head->y;
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switch(ch)
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{
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#ifdef KEY_LEFT
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case KEY_LEFT:
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#endif
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case 'h':
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x--; break;
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#ifdef KEY_DOWN
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case KEY_DOWN:
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#endif
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case 'j':
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y++; break;
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#ifdef KEY_UP
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case KEY_UP:
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#endif
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case 'k':
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y--; break;
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#ifdef KEY_RIGHT
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case KEY_RIGHT:
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#endif
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case 'l':
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x++; break;
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case 'H': x--; running = RUNLEN; ch = tolower(ch); break;
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case 'J': y++; running = RUNLEN/2; ch = tolower(ch); break;
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case 'K': y--; running = RUNLEN/2; ch = tolower(ch); break;
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case 'L': x++; running = RUNLEN; ch = tolower(ch); break;
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case '\f': setup(); return;
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case ERR:
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case CNTRL('C'):
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case CNTRL('D'):
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crash();
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return;
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default: if (! running) alarm(1);
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return;
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}
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lastch = ch;
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if (growing == 0)
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{
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display(tail, ' ');
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tail->next->prev = NULL;
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nh = tail->next;
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free(tail);
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tail = nh;
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visible_len--;
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}
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else growing--;
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display(head, BODY);
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wmove(tv, y, x);
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if (isdigit(ch = winch(tv)))
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{
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growing += ch-'0';
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prize();
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score += growing;
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running = 0;
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wmove(stw, 0, COLS - 12);
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wprintw(stw, "Score: %3d", score);
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wrefresh(stw);
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}
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else if(ch != ' ') crash();
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nh = newlink();
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if (nh == NULL)
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err(1, NULL);
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nh->next = NULL;
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nh->prev = head;
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head->next = nh;
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nh->y = y;
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nh->x = x;
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display(nh, HEAD);
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head = nh;
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visible_len++;
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if (!(slow && running))
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{
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wmove(tv, head->y, head->x);
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wrefresh(tv);
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}
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if (!running)
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alarm(1);
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}
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void
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crash()
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{
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leave(0);
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}
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void
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setup()
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{
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clear();
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refresh();
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touchwin(stw);
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wrefresh(stw);
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touchwin(tv);
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wrefresh(tv);
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alarm(1);
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}
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169
worm.py
169
worm.py
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@ -1,11 +1,170 @@
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import ctypes
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import sys
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import random
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import time
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import contextlib
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import termios
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import timeout_decorator
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import os
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from blessings import Terminal
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worm = ctypes.cdll.LoadLibrary('./libworm.so')
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term = Terminal()
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height = term.height
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width = term.width
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last_dir = 'x'
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class QuitGameError(BaseException):
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pass
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class RanIntoSomethingError(QuitGameError):
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pass
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if len(sys.argv) == 2:
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worm.set_size(int(sys.argv[1]))
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try:
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size = int(sys.argv[1])
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if size <= 0 or size >= width-13:
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size = 7
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except ValueError:
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size = 7
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else:
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worm.set_size(7)
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size = 7
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worm.run_worm()
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score = 0
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def draw_worm():
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for location in worm_locations:
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print(term.move(*reversed(location)) + 'o', end='')
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print(term.move(*reversed(worm_head)) + '@' + term.move(*reversed(worm_head)), end='')
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def draw_frame():
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print(term.clear, end='')
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print(term.move(0, 1) + 'Worm', end='')
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if score > -1:
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print(term.move(0, width-12) + f'Score:{" "*(4-len(str(score)))}{score}', end='')
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print(term.move(1, 0) + '┌' + ('*' * (width-3)) + '┐', end='')
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for y in range(2, height-1):
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print(term.move(y, 0) + '*' + term.move(y, width-2) + '*', end='')
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print(term.move(height-1, 0) + '└' + ('*' * (width-3)) + '┘', end='')
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print(term.move(*reversed(bonus_location)) + str(bonus_points), end='')
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draw_worm()
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sys.stdout.flush()
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def move_head(direction, distance):
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global size, worm_head, last_dir, worm_locations, bonus_location, bonus_points, score
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if direction not in 'hjklHJKLABCDwasdx':
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raise ValueError('argument to move_head() must be one of `hjklHJKLABCDwasdx`')
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if direction == 'x':
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return
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worm_locations.append(worm_head.copy())
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worm_head = worm_head.copy()
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if direction in 'kKAw': #up
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worm_head[1] -= 1
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last_dir = 'A'
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elif direction in 'jJBs': #down
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worm_head[1] += 1
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last_dir = 'B'
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elif direction in 'hHDa': #left
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worm_head[0] -= 1
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last_dir = 'D'
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elif direction in 'lLCd': #right
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worm_head[0] += 1
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last_dir = 'C'
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while len(worm_locations) > size:
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worm_locations.pop(0)
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if worm_head in worm_locations \
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or worm_head[1] <= 1 \
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or worm_head[1] >= height-1 \
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or worm_head[0] <= 0 \
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or worm_head[0] >= width-2:
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raise RanIntoSomethingError()
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if worm_head == bonus_location:
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size += bonus_points
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score += bonus_points
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bonus_points = random.randint(1, 9)
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while worm_head == bonus_location or bonus_location in worm_locations:
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bonus_location = [
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random.randint(1, width-3),
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random.randint(2, height-2),
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]
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if distance > 1:
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move_head(direction, distance-1)
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@contextlib.contextmanager
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def decanonize(fd):
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old_settings = termios.tcgetattr(fd)
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new_settings = old_settings[:]
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new_settings[3] &= ~termios.ICANON
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termios.tcsetattr(fd, termios.TCSAFLUSH, new_settings)
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yield
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termios.tcsetattr(fd, termios.TCSAFLUSH, old_settings)
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worm_y = height // 2
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worm_locations = [[i+10, worm_y] for i in range(size)]
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worm_head = [size+10, worm_y]
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bonus_points = random.randint(1, 9)
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bonus_location = worm_head
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while worm_head == bonus_location or bonus_location in worm_locations:
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bonus_location = [
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random.randint(1, width-3),
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random.randint(2, height-2),
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]
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do_automove = True
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@timeout_decorator.timeout(1)
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def run(*_):
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global do_automove
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if do_automove:
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move_head(last_dir, 1)
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draw_frame()
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do_automove = True
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while True:
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k = sys.stdin.read(1)
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if k in 'hjklHJKLABCDwasd':
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move_head(k, 10 if k in 'HJKL' else 1)
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draw_frame()
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do_automove = False
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return
|
||||
elif k in ' ':
|
||||
# That string is Ctrl-C Ctrl-\, in case you editor doesn't handle
|
||||
# control characters as well as Vim does.
|
||||
sys.exit(0)
|
||||
|
||||
try:
|
||||
with term.fullscreen():
|
||||
os.system('stty raw -echo')
|
||||
draw_frame()
|
||||
while True:
|
||||
try:
|
||||
run()
|
||||
except timeout_decorator.timeout_decorator.TimeoutError:
|
||||
pass
|
||||
except KeyboardInterrupt:
|
||||
sys.exit(0)
|
||||
except RanIntoSomethingError:
|
||||
os.system('stty -raw echo')
|
||||
print('', end='\r\n')
|
||||
print('Well, you ran into something and the game is over.', end='\r\n')
|
||||
print(f'Your final score was {score}', end='\r\n')
|
||||
print('', end='\r\n')
|
||||
finally:
|
||||
os.system('stty -raw echo')
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user