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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.options.c - version 1.0.3 */
#include "config.h"
#include "hack.h"
extern char *eos();
initoptions()
{
register char *opts;
extern char *getenv();
flags.time = flags.nonews = flags.notombstone = flags.end_own =
flags.standout = flags.nonull = FALSE;
flags.no_rest_on_space = TRUE;
flags.invlet_constant = TRUE;
flags.end_top = 5;
flags.end_around = 4;
flags.female = FALSE; /* players are usually male */
if(opts = getenv("HACKOPTIONS"))
parseoptions(opts,TRUE);
}
parseoptions(opts, from_env)
register char *opts;
boolean from_env;
{
register char *op,*op2;
unsigned num;
boolean negated;
if(op = index(opts, ',')) {
*op++ = 0;
parseoptions(op, from_env);
}
if(op = index(opts, ' ')) {
op2 = op;
while(*op++)
if(*op != ' ') *op2++ = *op;
}
if(!*opts) return;
negated = FALSE;
while((*opts == '!') || !strncmp(opts, "no", 2)) {
if(*opts == '!') opts++; else opts += 2;
negated = !negated;
}
if(!strncmp(opts,"standout",8)) {
flags.standout = !negated;
return;
}
if(!strncmp(opts,"null",3)) {
flags.nonull = negated;
return;
}
if(!strncmp(opts,"tombstone",4)) {
flags.notombstone = negated;
return;
}
if(!strncmp(opts,"news",4)) {
flags.nonews = negated;
return;
}
if(!strncmp(opts,"time",4)) {
flags.time = !negated;
flags.botl = 1;
return;
}
if(!strncmp(opts,"restonspace",4)) {
flags.no_rest_on_space = negated;
return;
}
if(!strncmp(opts,"fixinv",4)) {
if(from_env)
flags.invlet_constant = !negated;
else
pline("The fixinvlet option must be in HACKOPTIONS.");
return;
}
if(!strncmp(opts,"male",4)) {
flags.female = negated;
return;
}
if(!strncmp(opts,"female",6)) {
flags.female = !negated;
return;
}
/* name:string */
if(!strncmp(opts,"name",4)) {
extern char plname[PL_NSIZ];
if(!from_env) {
pline("The playername can be set only from HACKOPTIONS.");
return;
}
op = index(opts,':');
if(!op) goto bad;
(void) strncpy(plname, op+1, sizeof(plname)-1);
return;
}
/* endgame:5t[op] 5a[round] o[wn] */
if(!strncmp(opts,"endgame",3)) {
op = index(opts,':');
if(!op) goto bad;
op++;
while(*op) {
num = 1;
if(digit(*op)) {
num = atoi(op);
while(digit(*op)) op++;
} else
if(*op == '!') {
negated = !negated;
op++;
}
switch(*op) {
case 't':
flags.end_top = num;
break;
case 'a':
flags.end_around = num;
break;
case 'o':
flags.end_own = !negated;
break;
default:
goto bad;
}
while(letter(*++op)) ;
if(*op == '/') op++;
}
return;
}
bad:
if(!from_env) {
if(!strncmp(opts, "help", 4)) {
pline("%s%s%s",
"To set options use `HACKOPTIONS=\"<options>\"' in your environment, or ",
"give the command 'o' followed by the line `<options>' while playing. ",
"Here <options> is a list of <option>s separated by commas." );
pline("%s%s%s",
"Simple (boolean) options are rest_on_space, news, time, ",
"null, tombstone, (fe)male. ",
"These can be negated by prefixing them with '!' or \"no\"." );
pline("%s",
"A string option is name, as in HACKOPTIONS=\"name:Merlin-W\"." );
pline("%s%s%s",
"A compound option is endgame; it is followed by a description of what ",
"parts of the scorelist you want to see. You might for example say: ",
"`endgame:own scores/5 top scores/4 around my score'." );
return;
}
pline("Bad option: %s.", opts);
pline("Type `o help<cr>' for help.");
return;
}
puts("Bad syntax in HACKOPTIONS.");
puts("Use for example:");
puts(
"HACKOPTIONS=\"!restonspace,notombstone,endgame:own/5 topscorers/4 around me\""
);
getret();
}
doset()
{
char buf[BUFSZ];
pline("What options do you want to set? ");
getlin(buf);
if(!buf[0] || buf[0] == '\033') {
(void) strcpy(buf,"HACKOPTIONS=");
(void) strcat(buf, flags.female ? "female," : "male,");
if(flags.standout) (void) strcat(buf,"standout,");
if(flags.nonull) (void) strcat(buf,"nonull,");
if(flags.nonews) (void) strcat(buf,"nonews,");
if(flags.time) (void) strcat(buf,"time,");
if(flags.notombstone) (void) strcat(buf,"notombstone,");
if(flags.no_rest_on_space)
(void) strcat(buf,"!rest_on_space,");
if(flags.end_top != 5 || flags.end_around != 4 || flags.end_own){
(void) sprintf(eos(buf), "endgame: %u topscores/%u around me",
flags.end_top, flags.end_around);
if(flags.end_own) (void) strcat(buf, "/own scores");
} else {
register char *eop = eos(buf);
if(*--eop == ',') *eop = 0;
}
pline(buf);
} else
parseoptions(buf, FALSE);
return(0);
}
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