nethackify.c

   1
   2 /*
   3 nethackify
   4 tries to write text ala nethack
   5
   6 cat /etc/motd/ | nethackify
   7 /exec -o nethackify "good morning :)"
   8
   9 gurkan@linuks.mine.nu
  10 */
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15 #include <sys/time.h>
  16
  17 char *normal  ="ABCDEFGHIKLMNOPQRTUVWZbdeghjklmnoqwy:;01678";
  18 char *nethack1="^P(|||C||||||CFCP|J/V/|cccni||nrccvv.,C|o/3";
  19 char *nethack2="?b?)F-(-?<_??\(?(F??\?/??|??????r???????\(???o";
  20 char *nethack3=" [ [L       \\                              ";
  21 char *nethack4="    [              \\                       ";
  22 char *nethack5="    _               \\                      ";
  23
  24 int myrandom(float max)
  25 {
  26    return ((int)(max*rand()/(RAND_MAX+1.0)));
  27 }
  28
  29 void nethackify(char* str)
  30 {
  31     int i,c;
  32     for(i=0; i<strlen(str); i++) {
  33         for(c=0; c<strlen(normal); c++) {
  34             if(normal[c]==str[i]) {
  35                 if (myrandom(3)>0) {
  36                 switch(myrandom(5)) {
  37                     case 4: if(nethack5[c]!=' ') str[i]=nethack5[c];
  38                     case 3: if(nethack4[c]!=' ') str[i]=nethack4[c];
  39                     case 2: if(nethack3[c]!=' ') str[i]=nethack3[c]; break;
  40                     case 1: if(nethack2[c]!=' ') str[i]=nethack2[c]; break;
  41                     case 0: str[i]=nethack1[c]; break;
  42                     default: break;
  43                 }
  44                 }
  45             }
  46         }
  47         printf("%c",str[i]);
  48     }
  49
  50     printf(" ");
  51 }
  52
  53 int main(int argc, char **argv)
  54 {
  55     int i,c, ch;
  56     struct timeval tv;
  57
  58     srand((gettimeofday(&tv,NULL),tv.tv_usec));
  59     if (argc==1) {
  60         while((ch = getchar()) != EOF) {
  61             for(c=0; c<strlen(normal); c++) {
  62                 if(normal[c]==ch) {
  63                     switch(myrandom(5)) {
  64                         case 4: if(nethack5[c]!=' ') ch=nethack5[c];
  65                         case 3: if(nethack4[c]!=' ') ch=nethack4[c];
  66                         case 2: if(nethack3[c]!=' ') ch=nethack3[c]; break;
  67                         case 1: if(nethack2[c]!=' ') ch=nethack2[c]; break;
  68                         case 0: ch=nethack1[c]; break;
  69                         default: break;
  70                     }
  71                 }
  72             }
  73             printf("%c",ch);
  74         }
  75     } else {
  76         for(i=1; i<argc; i++) {
  77             nethackify(argv[i]);
  78         }
  79         printf("\n");
  80     }
  81
  82     return 0;
  83 }