Init

games/hack/hack.options.c

@@ -0,0 +1,197 @@
+#ifndef lint
+static	char sccsid[] = "@(#)hack.options.c 1.1 94/10/31 SMI";
+#endif
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.options.c - version 1.0.2 */
+
+#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.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,"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);
+}