life.c revision 1.3.2.2
1 1.3.2.2 cgd .\" Copyright (c) 1980, 1993 2 1.3.2.2 cgd .\" The Regents of the University of California. All rights reserved. 3 1.3.2.2 cgd .\" 4 1.3.2.2 cgd .\" Redistribution and use in source and binary forms, with or without 5 1.3.2.2 cgd .\" modification, are permitted provided that the following conditions 6 1.3.2.2 cgd .\" are met: 7 1.3.2.2 cgd .\" 1. Redistributions of source code must retain the above copyright 8 1.3.2.2 cgd .\" notice, this list of conditions and the following disclaimer. 9 1.3.2.2 cgd .\" 2. Redistributions in binary form must reproduce the above copyright 10 1.3.2.2 cgd .\" notice, this list of conditions and the following disclaimer in the 11 1.3.2.2 cgd .\" documentation and/or other materials provided with the distribution. 12 1.3.2.2 cgd .\" 3. All advertising materials mentioning features or use of this software 13 1.3.2.2 cgd .\" must display the following acknowledgement: 14 1.3.2.2 cgd .\" This product includes software developed by the University of 15 1.3.2.2 cgd .\" California, Berkeley and its contributors. 16 1.3.2.2 cgd .\" 4. Neither the name of the University nor the names of its contributors 17 1.3.2.2 cgd .\" may be used to endorse or promote products derived from this software 18 1.3.2.2 cgd .\" without specific prior written permission. 19 1.3.2.2 cgd .\" 20 1.3.2.2 cgd .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 1.3.2.2 cgd .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.3.2.2 cgd .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.3.2.2 cgd .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 1.3.2.2 cgd .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.3.2.2 cgd .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.3.2.2 cgd .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.3.2.2 cgd .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.3.2.2 cgd .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.3.2.2 cgd .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.3.2.2 cgd .\" SUCH DAMAGE. 31 1.3.2.2 cgd .\" 32 1.3.2.2 cgd .\" @(#)life.c 8.1 (Berkeley) 6/8/93 33 1.3.2.2 cgd .\" 34 1.3.2.2 cgd # include <curses.h> 35 1.3.2.2 cgd # include <signal.h> 36 1.3.2.2 cgd 37 1.3.2.2 cgd /* 38 1.3.2.2 cgd * Run a life game. This is a demonstration program for 39 1.3.2.2 cgd * the Screen Updating section of the -lcurses cursor package. 40 1.3.2.2 cgd */ 41 1.3.2.2 cgd 42 1.3.2.2 cgd typedef struct lst_st { /* linked list element */ 43 1.3.2.2 cgd int y, x; /* (y, x) position of piece */ 44 1.3.2.2 cgd struct lst_st *next, *last; /* doubly linked */ 45 1.3.2.2 cgd } LIST; 46 1.3.2.2 cgd 47 1.3.2.2 cgd LIST *Head; /* head of linked list */ 48 1.3.2.2 cgd 49 1.3.2.2 cgd int die(); 50 1.3.2.2 cgd 51 1.3.2.2 cgd main(ac, av) 52 1.3.2.2 cgd int ac; 53 1.3.2.2 cgd char *av[]; 54 1.3.2.2 cgd { 55 1.3.2.2 cgd evalargs(ac, av); /* evaluate arguments */ 56 1.3.2.2 cgd 57 1.3.2.2 cgd initscr(); /* initialize screen package */ 58 1.3.2.2 cgd signal(SIGINT, die); /* set to restore tty stats */ 59 1.3.2.2 cgd cbreak(); /* set for char-by-char */ 60 1.3.2.2 cgd noecho(); /* input */ 61 1.3.2.2 cgd nonl(); /* for optimization */ 62 1.3.2.2 cgd 63 1.3.2.2 cgd getstart(); /* get starting position */ 64 1.3.2.2 cgd for (;;) { 65 1.3.2.2 cgd prboard(); /* print out current board */ 66 1.3.2.2 cgd update(); /* update board position */ 67 1.3.2.2 cgd } 68 1.3.2.2 cgd } 69 1.3.2.2 cgd 70 1.3.2.2 cgd /* 71 1.3.2.2 cgd * This is the routine which is called when rubout is hit. 72 1.3.2.2 cgd * It resets the tty stats to their original values. This 73 1.3.2.2 cgd * is the normal way of leaving the program. 74 1.3.2.2 cgd */ 75 1.3.2.2 cgd die() 76 1.3.2.2 cgd { 77 1.3.2.2 cgd signal(SIGINT, SIG_IGN); /* ignore rubouts */ 78 1.3.2.2 cgd mvcur(0, COLS - 1, LINES - 1, 0); /* go to bottom of screen */ 79 1.3.2.2 cgd endwin(); /* set terminal to good state */ 80 1.3.2.2 cgd exit(0); 81 1.3.2.2 cgd } 82 1.3.2.2 cgd 83 1.3.2.2 cgd /* 84 1.3.2.2 cgd * Get the starting position from the user. They keys u, i, o, j, l, 85 1.3.2.2 cgd * m, ,, and . are used for moving their relative directions from the 86 1.3.2.2 cgd * k key. Thus, u move diagonally up to the left, , moves directly down, 87 1.3.2.2 cgd * etc. x places a piece at the current position, " " takes it away. 88 1.3.2.2 cgd * The input can also be from a file. The list is built after the 89 1.3.2.2 cgd * board setup is ready. 90 1.3.2.2 cgd */ 91 1.3.2.2 cgd getstart() 92 1.3.2.2 cgd { 93 1.3.2.2 cgd reg char c; 94 1.3.2.2 cgd reg int x, y; 95 1.3.2.2 cgd auto char buf[100]; 96 1.3.2.2 cgd 97 1.3.2.2 cgd box(stdscr, '|', '_'); /* box in the screen */ 98 1.3.2.2 cgd move(1, 1); /* move to upper left corner */ 99 1.3.2.2 cgd 100 1.3.2.2 cgd for (;;) { 101 1.3.2.2 cgd refresh(); /* print current position */ 102 1.3.2.2 cgd if ((c = getch()) == 'q') 103 1.3.2.2 cgd break; 104 1.3.2.2 cgd switch (c) { 105 1.3.2.2 cgd case 'u': 106 1.3.2.2 cgd case 'i': 107 1.3.2.2 cgd case 'o': 108 1.3.2.2 cgd case 'j': 109 1.3.2.2 cgd case 'l': 110 1.3.2.2 cgd case 'm': 111 1.3.2.2 cgd case ',': 112 1.3.2.2 cgd case '.': 113 1.3.2.2 cgd adjustyx(c); 114 1.3.2.2 cgd break; 115 1.3.2.2 cgd case 'f': 116 1.3.2.2 cgd mvaddstr(0, 0, "File name: "); 117 1.3.2.2 cgd getstr(buf); 118 1.3.2.2 cgd readfile(buf); 119 1.3.2.2 cgd break; 120 1.3.2.2 cgd case 'x': 121 1.3.2.2 cgd addch('X'); 122 1.3.2.2 cgd break; 123 1.3.2.2 cgd case ' ': 124 1.3.2.2 cgd addch(' '); 125 1.3.2.2 cgd break; 126 1.3.2.2 cgd } 127 1.3.2.2 cgd } 128 1.3.2.2 cgd 129 1.3.2.2 cgd if (Head != NULL) /* start new list */ 130 1.3.2.2 cgd dellist(Head); 131 1.3.2.2 cgd Head = malloc(sizeof (LIST)); 132 1.3.2.2 cgd 133 1.3.2.2 cgd /* 134 1.3.2.2 cgd * loop through the screen looking for 'x's, and add a list 135 1.3.2.2 cgd * element for each one 136 1.3.2.2 cgd */ 137 1.3.2.2 cgd for (y = 1; y < LINES - 1; y++) 138 1.3.2.2 cgd for (x = 1; x < COLS - 1; x++) { 139 1.3.2.2 cgd move(y, x); 140 1.3.2.2 cgd if (inch() == 'x') 141 1.3.2.2 cgd addlist(y, x); 142 1.3.2.2 cgd } 143 1.3.2.2 cgd } 144 1.3.2.2 cgd 145 1.3.2.2 cgd /* 146 1.3.2.2 cgd * Print out the current board position from the linked list 147 1.3.2.2 cgd */ 148 1.3.2.2 cgd prboard() { 149 1.3.2.2 cgd 150 1.3.2.2 cgd reg LIST *hp; 151 1.3.2.2 cgd 152 1.3.2.2 cgd erase(); /* clear out last position */ 153 1.3.2.2 cgd box(stdscr, '|', '_'); /* box in the screen */ 154 1.3.2.2 cgd 155 1.3.2.2 cgd /* 156 1.3.2.2 cgd * go through the list adding each piece to the newly 157 1.3.2.2 cgd * blank board 158 1.3.2.2 cgd */ 159 1.3.2.2 cgd for (hp = Head; hp; hp = hp->next) 160 1.3.2.2 cgd mvaddch(hp->y, hp->x, 'X'); 161 1.3.2.2 cgd 162 1.3.2.2 cgd refresh(); 163 1.3.2.2 cgd } 164
Indexes created Sun Sep 28 16:09:52 GMT 2025