Login options.

(player): New member flags.
(PF_UTF8, NF_UTF8): New PF_UTF8 replaces NF_UTF8.  Users changed.
(options_cmd): New.
(login_coms): New command `options'.
(toggle): Revert to the previous rev.

include/nat.h

@@ -172,7 +172,5 @@ extern void agecontact(struct natstr *np);
 #define NF_SONAR	bit(4)	/* Turn auto-sonar on */
 #define NF_TECHLISTS    bit(5)	/* Sort lists by tech not type */
 #define NF_SACKED       bit(6)	/* Capital was sacked, and hasn't been reset yet */
-#define NF_UTF8         bit(7)	/* Whether the client accepts UTF-8 (true) or
-                                   ASCII only (false) */
 
 #endif /* _NAT_H_ */

include/player.h

@@ -54,6 +54,7 @@ struct player {
     int validated;
     natid cnum;
     int state;
+    int flags;
     struct cmndstr *command;
     struct iop *iop;
     s_char combuf[1024];
@@ -85,6 +86,11 @@ struct player {
 #define PS_SHUTDOWN	3
 #define PS_KILL		4
 
+/* player flags */
+enum {
+    PF_UTF8 = bit(0)			/* client wants UTF-8 */
+};
+
 /* thread priorities */
 #define PP_UPDATE	6
 #define PP_SHUTDOWN	5

info/Commands/toggle.t

@@ -1,7 +1,7 @@
 .TH Command TOGGLE
 .NA toggle "Toggle client flags"
 .LV Expert
-.SY "toggle [inform|flash|beep|coastwatch|sonar|techlists|utf8] [on|off]"
+.SY "toggle [inform|flash|beep|coastwatch|sonar|techlists] [on|off]"
 You use the toggle command to set various user-interface flags for
 your country.  The server will remember which flags you have set
 between sessions.  If you do not specify the second argument ("on" or
@@ -39,19 +39,6 @@ Will toggle the "techlists" flag (default off) for your country.  When
 techlists is on, when you do a "show" command, the lists shows will be
 in order of tech instead of grouping order.
 .s1
-.EX "toggle utf8"
-Will toggle the "utf8" flag (default off) for your country.
-When utf8 is on, you can use multiple langauges in your user communication.
-To use this feature, the client must support the unicode character set
-and must encode unicode characters using the UTF8 format
-when sending the characters to the server and must decode
-the UTF8 characters into
-unicode characters when receiving characters from the server.
-Also both the sending and receiving clients must support
-unicode in order to communicate using unicode characters.
-This feature applies to the follow commands:
-wire, read, announcement, flash, telegram and turn.
-.s1
 .EX "toggle"
 Will list all your flags and show whether they are on or off.
 .s1

src/lib/commands/flash.c

@@ -84,7 +84,7 @@ flash(void)
 	    if ((*sp >= 0x0 && *sp < 0x20  && *sp != '\t') ||
 		*sp == 0x7f)
 		*sp = '?';
-	    else if (!(us->nat_flags & NF_UTF8) && (*sp & 0x80))
+	    else if (!(player->flags & PF_UTF8) && (*sp & 0x80))
 		*sp = '?';
 	}
 	sendmessage(us, to, buf, 1);
@@ -115,7 +115,7 @@ wall(void)
 	    if ((*sp >= 0x0 && *sp < 0x20  && *sp != '\t') ||
 		*sp == 0x7f)
 		*sp = '?';
-	    else if (!(us->nat_flags & NF_UTF8) && (*sp & 0x80))
+	    else if (!(player->flags & PF_UTF8) && (*sp & 0x80))
 		*sp = '?';
 	}
 	sendmessage(us, 0, buf, 1);

src/lib/commands/togg.c

@@ -73,10 +73,6 @@ togg(void)
 	    name = "techlists";
 	    flag = NF_TECHLISTS;
 	    break;
-	case 'u':
-	    name = "UTF-8";
-	    flag = NF_UTF8;
-	    break;
 	default:
 	    return RET_SYN;
 	}
@@ -120,10 +116,6 @@ togg(void)
 	    pr("techlists flag on\n");
 	else
 	    pr("techlists flag off\n");
-	if (np->nat_flags & NF_UTF8)
-	    pr("UTF-8 flag on\n");
-	else
-	    pr("UTF-8 flag off\n");
     }
 
     return RET_OK;

src/lib/player/login.c

@@ -40,6 +40,7 @@
 #include "com.h"
 #include "empthread.h"
 #include "empio.h"
+#include "match.h"
 #include "nsc.h"
 #include "nat.h"
 #include "optlist.h"
@@ -206,6 +207,51 @@ pass_cmd(void)
     return RET_OK;
 }
 
+static int
+options_cmd(void)
+{
+    /*
+     * The login option mechanism allows arbitrary string values, but
+     * so far all options are flags in struct player.  Should be easy
+     * to generalize if needed.
+     */
+    struct logoptstr {
+	char *name;
+	int val;
+    };
+    static struct logoptstr login_opts[] = {
+	{ "utf-8", PF_UTF8 }
+    };
+    char **ap;
+    char *p;
+    int opt;
+
+    for (ap = player->argp+1; *ap; ++ap) {
+	p = strchr(*ap, '=');
+	if (p)
+	    *p++ = 0;
+	opt = stmtch(*ap, login_opts,
+		     offsetof(struct logoptstr, name),
+		     sizeof(struct logoptstr));
+	if (opt < 0) {
+	    pr_id(player, C_BADCMD, "Option %s not found\n", *ap);
+	    return RET_FAIL;
+	}
+	if (!p || atoi(p))
+	    player->flags |= login_opts[opt].val;
+	else
+	    player->flags &= ~login_opts[opt].val;
+    }
+
+    for (opt = 0; opt < sizeof(login_opts) / sizeof(*login_opts); ++opt)
+	pr_id(player, C_DATA, "%s=%d",
+	      login_opts[opt].name,
+	      (player->flags & login_opts[opt].val) != 0);
+    pr_id(player, C_CMDOK, "Options okay\n");
+
+    return RET_OK;
+}
+
 static int
 play_cmd(void)
 {
@@ -223,7 +269,7 @@ play_cmd(void)
     if (*++ap) {
 	if (natbyname(*ap, &cnum) < 0) {
 	    pr_id(player, C_CMDERR, "country %s does not exist\n", *ap);
-	    return 0;
+	    return RET_FAIL;
 	}
     }
     if (*++ap) {
@@ -310,14 +356,15 @@ quit_cmd(void)
 }
 
 struct cmndstr login_coms[] = {
-    {"list", 0, list_cmd, 0, 0},
     {"client clientname [version info]", 0, client_cmd, 0, 0},
-    {"user username", 0, user_cmd, 0, 0},
-    {"sanc", 0, sanc_cmd, 0, 0},
     {"coun countryname", 0, coun_cmd, 0, 0},
+    {"kill", 0, kill_cmd, 0, 0},
+    {"list", 0, list_cmd, 0, 0},
+    {"options", 0, options_cmd, 0, 0},
     {"pass password", 0, pass_cmd, 0, 0},
     {"play [user country pass]", 0, play_cmd, 0, 0},
     {"quit", 0, quit_cmd, 0, 0},
-    {"kill {self}", 0, kill_cmd, 0, 0},
+    {"sanc", 0, sanc_cmd, 0, 0},
+    {"user username", 0, user_cmd, 0, 0},
     {0, 0, 0, 0, 0}
 };

src/lib/subs/pr.c

@@ -61,14 +61,13 @@ static void outid(struct player *pl, int n);
 void
 pr(char *format, ...)
 {
-    struct natstr *np = getnatp(player->cnum);
     char buf[4096];
     va_list ap;
 
     va_start(ap, format);
     (void)vsprintf(buf, format, ap);
     va_end(ap);
-    if (np->nat_flags & NF_UTF8)
+    if (player->flags & PF_UTF8)
 	upr_player(player, C_DATA, buf);
     else
         pr_player(player, C_DATA, buf);
@@ -77,12 +76,10 @@ pr(char *format, ...)
 void
 uprnf(char *buf /* buf is message text */)
 {
-    struct natstr *np = getnatp(player->cnum);
-
     /*
      * Translate to ASCII if the client is not in UTF mode
      */
-    if (!(np->nat_flags & NF_UTF8))
+    if (!(player->flags & PF_UTF8))
 	prtoascii(buf);
 
     pr_player(player, C_DATA, buf);
@@ -109,7 +106,6 @@ void
 pr_flash(struct player *pl, char *format
 	 /* format is message text */, ...)
 {
-    struct natstr *np = getnatp(pl->cnum);
     char buf[4096]; /* buf is message text */
     va_list ap;
 
@@ -121,7 +117,7 @@ pr_flash(struct player *pl, char *format
     /*
      * Translate to ASCII if the client is not in UTF mode
      */
-    if (!(np->nat_flags & NF_UTF8))
+    if (!(pl->flags & PF_UTF8))
 	prtoascii(buf);
     pr_player(pl, C_FLASH, buf);
     io_output(pl->iop, IO_NOWAIT);
@@ -332,7 +328,6 @@ uprmptrd(char *prompt, char *str /* str is message text */, int size)
 {
     int r;
     char *cp; /* cp is message text */
-    struct natstr *np = getnatp(player->cnum);
 
     pr_id(player, C_FLUSH, "%s\n", prompt);
     if ((r = recvclient(str, size)) < 0)
@@ -345,7 +340,7 @@ uprmptrd(char *prompt, char *str /* str is message text */, int size)
 	if ((*cp >= 0x0 && *cp < 0x20 && *cp != '\t') ||
 	    *cp == 0x7f)
 	    *cp = '?';
-	else if (!(np->nat_flags & NF_UTF8) && (*cp & 0x80))
+	else if (!(player->flags & PF_UTF8) && (*cp & 0x80))
 	    *cp = '?';
     }
     return strlen(str);