mud/lib/cmds/creators/cryptogram.c
2020-09-06 05:43:07 -07:00

93 lines
1.8 KiB
C

/* blame OotS */
#include <daemons.h>
#include <lib.h>
inherit LIB_COMMAND;
mapping alpha1 = ([
1 : "a",
2 : "b",
3 : "c",
4 : "d",
5 : "e",
6 : "f",
7 : "g",
8 : "h",
9 : "i",
10 : "j",
11 : "k",
12 : "l",
13 : "m",
14 : "n",
15 : "o",
16 : "p",
17 : "q",
18 : "r",
19 : "s",
20 : "t",
21 : "u",
22 : "v",
23 : "w",
24 : "x",
25 : "y",
26 : "z",
]);
mapping alpha2 = ([]);
string doRotate(int code, string str){
string *str_array = explode(str,"");
string ret = "";
foreach(string element in str_array){
if(alpha2[element]){
int operand;
operand = alpha2[element]+code;
if(operand > 26){
operand -= 26;
}
if(operand < 1){
operand = 26 - abs(operand);
}
ret += alpha1[operand];
}
else ret += element;
}
return ret;
}
int cmd(string str){
int code;
string tmp, tmp2;
string ret = "";
string *str_array = ({});
if(!alpha2 || !sizeof(alpha2)){
alpha2 = ([]);
foreach(mixed key, mixed val in alpha1) alpha2[val] = key;
}
if(sscanf(str,"%s %s",tmp, tmp2)){
if(tmp = "-q"){
for(int i=0;i<26;i++){
write(i+": "+doRotate(i, tmp2));
}
}
}
else if(!sscanf(str,"%d %s",code, tmp)){
str_array = explode(str,"");
ret = doRotate(code, str);
}
write("Output: "+ret);
return 1;
}
string GetHelp() {
return "Syntax: cryptogram -q FIRSTLETTER SECONDLETTER\n"
" cryptogram NUMBER STRING\n\n"
"Tool for decoding cryptograms";
}