2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * player.c: Main command loop for a player
29 * Known contributors to this file:
31 * Markus Armbruster, 2004-2017
32 * Ron Koenderink, 2004-2009
39 #include "empthread.h"
44 #include "prototypes.h"
47 static int command(void);
48 static int status(void);
50 struct player *player;
53 player_main(struct player *p)
60 update_timeused_login(player->curup);
62 if (running_test_suite)
64 "*** Server configured for testing ***\n"
65 "*** If you see this in a game, it is misconfigured! ***\n");
66 else if (strstr(version, "UNKNOWN-"))
68 "*** Server version is unknown ***\n"
69 "*** If you see this in a game, it was built incorrectly! ***\n");
71 if (init_nats() < 0) {
72 pr("Server confused, try again later\n");
75 natp = getnatp(player->cnum);
76 if (!may_play_now(natp, player->curup))
78 if (natp->nat_stat != STAT_VIS
79 && natp->nat_last_login
80 && (strcmp(natp->nat_hostaddr, player->hostaddr)
81 || strcmp(natp->nat_userid, player->userid))) {
82 pr("Last connection from: %s", ctime(&natp->nat_last_login));
84 natp->nat_last_login <= natp->nat_last_logout
85 ? ctime(&natp->nat_last_logout) : "?");
87 natp->nat_userid, natp->nat_hostaddr);
89 strcpy(natp->nat_userid, player->userid);
90 strcpy(natp->nat_hostaddr, player->hostaddr);
91 natp->nat_last_login = player->curup;
93 if (natp->nat_flags & NF_INFORM && natp->nat_tgms > 0) {
94 if (natp->nat_tgms == 1)
95 pr("You have a new telegram waiting ...\n");
97 pr("You have %s new telegrams waiting ...\n",
98 numstr(buf, natp->nat_tgms));
102 while (status() && command()) {
103 if (player->got_ctld)
104 io_set_eof(player->iop);
108 /* #*# I put the following line in to prevent server crash -KHS */
109 natp = getnatp(player->cnum);
110 time(&natp->nat_last_logout);
112 update_timeused(natp->nat_last_logout);
113 enforce_minimum_session_time();
120 struct natstr *natp = getnatp(player->cnum);
121 char *redir; /* UTF-8 */
124 prprompt(natp->nat_timeused / 60, natp->nat_btu);
125 if (getcommand(player->combuf) < 0)
126 return player->aborted;
129 update_timeused(now);
130 if (!player->god && !may_play_now(natp, now))
133 if (parse(player->combuf, player->argbuf, player->argp,
134 player->comtail, &player->condarg, &redir) < 0) {
135 pr("See \"info Syntax\"?\n");
137 if (dispatch(player->combuf, redir) < 0)
138 pr("Try \"list of commands\" or \"info\"\n");
150 natp = getnatp(player->cnum);
151 if (player->dolcost > 100.0)
152 pr("That just cost you $%.2f\n", player->dolcost);
153 else if (player->dolcost < -100.0)
154 pr("You just made $%.2f\n", -player->dolcost);
155 if (player->dolcost != 0.0) {
157 * Hackish work around for a race condition in the nightly
158 * build's regression tests: sometimes the update starts right
159 * after the force command yields, sometimes a bit later. If
160 * it is late, we use one random number here, for the bye,
161 * and throwing off the random sequence.
163 natp->nat_money -= roundavg(player->dolcost);
164 player->dolcost = 0.0;
167 old_nstat = player->nstat;
168 player_set_nstat(player, natp);
169 if ((old_nstat & MONEY) && !(player->nstat & MONEY))
170 pr("You are now broke; industries are on strike.\n");
171 if (!(old_nstat & MONEY) && (player->nstat & MONEY))
172 pr("You are no longer broke!\n");
174 time(&player->curup);
175 update_timeused(player->curup);
176 if (io_error(player->iop) || io_eof(player->iop)
177 || !may_play_now(natp, player->curup))
180 if (player->btused) {
181 natp->nat_btu -= player->btused;
184 if (natp->nat_tgms > 0) {
185 if (!(natp->nat_flags & NF_INFORM)) {
186 if (natp->nat_tgms == 1)
187 pr("You have a new telegram waiting ...\n");
189 pr("You have %s new telegrams waiting ...\n",
190 numstr(buf, natp->nat_tgms));
194 if (natp->nat_ann > 0) {
195 if (natp->nat_ann == 1)
196 pr("You have a new announcement waiting ...\n");
198 pr("You have %s new announcements waiting ...\n",
199 numstr(buf, natp->nat_ann));
202 if (natp->nat_stat == STAT_ACTIVE && (player->nstat & CAP) == 0)
203 pr("You lost your capital... better designate one (see info capital)\n");
209 * Make all objects stale if @arg is one of the player's command arguments.
210 * See ef_make_stale() for what "making stale" means.
211 * Useful for functions that prompt for missing arguments.
212 * These can yield the processor, so we'd like to call ef_make_stale()
213 * there. Except that leads to false positives when the caller passes
214 * an argument that is never null, and relies on the fact that the
215 * function doesn't yield then. We can't know that in general. But
216 * we do know in the common special case of command arguments.
219 make_stale_if_command_arg(char *arg)
221 if (player->argbuf <= arg
222 && arg <= player->argbuf + sizeof(player->argbuf))
227 * XXX This whole mess should be redone; execute block should
228 * start with "exec start", and should end with "exec end".
229 * We'll wait until 1.2 I guess.
234 char buf[1024]; /* UTF-8 */
237 char *redir; /* UTF-8 */
241 p = player->comtail[1];
243 p = ugetstring("File? ", buf);
244 if (p == NULL || *p == '\0')
248 while (!failed && status() && !player->got_ctld) {
249 player->nstat &= ~EXEC;
250 if (getcommand(player->combuf) < 0)
252 if (parse(player->combuf, player->argbuf, player->argp,
253 player->comtail, &player->condarg, &redir) < 0) {
258 uprnf(player->combuf);
261 pr("Execute : redirection not supported\n");
263 } else if (dispatch(player->combuf, NULL) < 0)
265 /* player->aborted not reset; makes next getcommand() fail */
269 while (recvclient(buf, sizeof(buf)) >= 0) ;
272 pr("Execute : %s\n", failed ? "aborted" : "terminated");
273 player->got_ctld = 0;
280 show_first_tel(motdfil);
287 io_set_eof(player->iop);
292 praddr(struct player *p)
294 return prbuf("%s@%s", p->userid, p->hostaddr);