2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2017, 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, 2004-2014
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 if (init_nats() < 0) {
67 pr("Server confused, try again later\n");
70 natp = getnatp(player->cnum);
71 if (!may_play_now(natp, player->curup))
73 if (natp->nat_stat != STAT_VIS
74 && natp->nat_last_login
75 && (strcmp(natp->nat_hostaddr, player->hostaddr)
76 || strcmp(natp->nat_userid, player->userid))) {
77 pr("Last connection from: %s", ctime(&natp->nat_last_login));
79 natp->nat_last_login <= natp->nat_last_logout
80 ? ctime(&natp->nat_last_logout) : "?");
82 natp->nat_userid, natp->nat_hostaddr);
84 strcpy(natp->nat_userid, player->userid);
85 strcpy(natp->nat_hostaddr, player->hostaddr);
86 natp->nat_last_login = player->curup;
88 if (natp->nat_flags & NF_INFORM && natp->nat_tgms > 0) {
89 if (natp->nat_tgms == 1)
90 pr("You have a new telegram waiting ...\n");
92 pr("You have %s new telegrams waiting ...\n",
93 numstr(buf, natp->nat_tgms));
97 while (status() && command()) {
99 io_set_eof(player->iop);
103 /* #*# I put the following line in to prevent server crash -KHS */
104 natp = getnatp(player->cnum);
105 time(&natp->nat_last_logout);
107 update_timeused(natp->nat_last_logout);
108 enforce_minimum_session_time();
115 struct natstr *natp = getnatp(player->cnum);
116 char *redir; /* UTF-8 */
119 prprompt(natp->nat_timeused / 60, natp->nat_btu);
120 if (getcommand(player->combuf) < 0)
121 return player->aborted;
124 update_timeused(now);
125 if (!player->god && !may_play_now(natp, now))
128 if (parse(player->combuf, player->argbuf, player->argp,
129 player->comtail, &player->condarg, &redir) < 0) {
130 pr("See \"info Syntax\"?\n");
132 if (dispatch(player->combuf, redir) < 0)
133 pr("Try \"list of commands\" or \"info\"\n");
145 natp = getnatp(player->cnum);
146 if (player->dolcost > 100.0)
147 pr("That just cost you $%.2f\n", player->dolcost);
148 else if (player->dolcost < -100.0)
149 pr("You just made $%.2f\n", -player->dolcost);
150 if (player->dolcost != 0.0) {
152 * Hackish work around for a race condition in the nightly
153 * build's regression tests: sometimes the update starts right
154 * after the force command yields, sometimes a bit later. If
155 * it is late, we use one random number here, for the bye,
156 * and throwing off the random sequence.
158 natp->nat_money -= roundavg(player->dolcost);
159 player->dolcost = 0.0;
162 old_nstat = player->nstat;
163 player_set_nstat(player, natp);
164 if ((old_nstat & MONEY) && !(player->nstat & MONEY))
165 pr("You are now broke; industries are on strike.\n");
166 if (!(old_nstat & MONEY) && (player->nstat & MONEY))
167 pr("You are no longer broke!\n");
169 time(&player->curup);
170 update_timeused(player->curup);
171 if (io_error(player->iop) || io_eof(player->iop)
172 || !may_play_now(natp, player->curup))
175 if (player->btused) {
176 natp->nat_btu -= player->btused;
179 if (natp->nat_tgms > 0) {
180 if (!(natp->nat_flags & NF_INFORM)) {
181 if (natp->nat_tgms == 1)
182 pr("You have a new telegram waiting ...\n");
184 pr("You have %s new telegrams waiting ...\n",
185 numstr(buf, natp->nat_tgms));
189 if (natp->nat_ann > 0) {
190 if (natp->nat_ann == 1)
191 pr("You have a new announcement waiting ...\n");
193 pr("You have %s new announcements waiting ...\n",
194 numstr(buf, natp->nat_ann));
197 if (natp->nat_stat == STAT_ACTIVE && (player->nstat & CAP) == 0)
198 pr("You lost your capital... better designate one (see info capital)\n");
204 * Make all objects stale if @arg is one of the player's command arguments.
205 * See ef_make_stale() for what "making stale" means.
206 * Useful for functions that prompt for missing arguments.
207 * These can yield the processor, so we'd like to call ef_make_stale()
208 * there. Except that leads to false positives when the caller passes
209 * an argument that is never null, and relies on the fact that the
210 * function doesn't yield then. We can't know that in general. But
211 * we do know in the common special case of command arguments.
214 make_stale_if_command_arg(char *arg)
216 if (player->argbuf <= arg
217 && arg <= player->argbuf + sizeof(player->argbuf))
222 * XXX This whole mess should be redone; execute block should
223 * start with "exec start", and should end with "exec end".
224 * We'll wait until 1.2 I guess.
229 char buf[1024]; /* UTF-8 */
232 char *redir; /* UTF-8 */
236 p = player->comtail[1];
238 p = ugetstring("File? ", buf);
239 if (p == NULL || *p == '\0')
243 while (!failed && status() && !player->got_ctld) {
244 player->nstat &= ~EXEC;
245 if (getcommand(player->combuf) < 0)
247 if (parse(player->combuf, player->argbuf, player->argp,
248 player->comtail, &player->condarg, &redir) < 0) {
253 uprnf(player->combuf);
256 pr("Execute : redirection not supported\n");
258 } else if (dispatch(player->combuf, NULL) < 0)
260 /* player->aborted not reset; makes next getcommand() fail */
264 while (recvclient(buf, sizeof(buf)) >= 0) ;
267 pr("Execute : %s\n", failed ? "aborted" : "terminated");
268 player->got_ctld = 0;
275 show_first_tel(motdfil);
282 io_set_eof(player->iop);
287 praddr(struct player *p)
289 return prbuf("%s@%s", p->userid, p->hostaddr);