main.c (2028B)
1 #include <stdio.h> 2 #include <unistd.h> 3 #include <stdlib.h> 4 #include <ctype.h> 5 #include "utility.h" 6 #include "rules.h" 7 8 #define GOLVERSION 0.1 9 10 /*#define SHOW_NEIGHBORS*/ 11 12 int main(int argc, char **argv) 13 { 14 int **cells; 15 int **neighbors; 16 int nx = 80; 17 int ny = 30; 18 int c; 19 unsigned int it = 0; 20 int world_is_dead = 0; 21 22 while ((c = getopt(argc, argv, "hv")) != -1) 23 switch (c) 24 { 25 case 'h': 26 printf("usage: %s [OPTIONS] nx ny\n" 27 "where nx and ny are the grid dimensions.\n" 28 "-h\tDisplay help\n" 29 "-v\tDisplay version information\n", argv[0]); 30 return 0; 31 break; 32 case 'v': 33 printf("%s: Conway's Game of Life, version %.1f\n" 34 "Written by Anders Damsgaard, " 35 "https://github.com/anders-dc/game-of-life\n", argv[0], GOLVERSION); 36 return 0; 37 break; 38 case '?': 39 if (isprint(optopt)) 40 fprintf(stderr, "Unknown option `-%c`.\n", optopt); 41 else 42 fprintf(stderr, "Unknown option character `\\x%x`.\n", optopt); 43 return 1; 44 45 default: 46 abort(); 47 } 48 49 if (optind == argc - 2) { 50 nx = atoi(argv[optind]); 51 ny = atoi(argv[optind + 1]); 52 } 53 54 printf("Grid dimensions: %dx%d\n", nx, ny); 55 56 allocate_matrix(&cells, nx, ny); 57 allocate_matrix(&neighbors, nx, ny); 58 59 random_population(cells, nx, ny, 0.5); 60 61 print_cell_matrix(cells, nx, ny); 62 63 while (world_is_dead == 0) { 64 65 world_is_dead = find_neighbor_count(cells, neighbors, nx, ny); 66 cell_transitions(cells, neighbors, nx, ny); 67 68 printf("\n%d. generation (end with Ctrl-C)\n", it); 69 #ifdef SHOW_NEIGHBORS 70 print_matrix("neighbors", neighbors, nx, ny); 71 #endif 72 print_cell_matrix(cells, nx, ny); 73 74 usleep(5e5); 75 76 it++; 77 } 78 79 free_matrix(&cells, nx); 80 free_matrix(&neighbors, nx); 81 82 return 0; 83 }