2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, 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, 2004-2012
32 * Ron Koenderink, 2004-2009
38 #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 (init_nats() < 0) {
63 pr("Server confused, try again later\n");
66 natp = getnatp(player->cnum);
67 if (!may_play_now(natp, player->curup))
69 if (natp->nat_stat != STAT_VIS
70 && natp->nat_last_login
71 && (strcmp(natp->nat_hostaddr, player->hostaddr)
72 || strcmp(natp->nat_userid, player->userid))) {
73 pr("Last connection from: %s", ctime(&natp->nat_last_login));
75 natp->nat_last_login <= natp->nat_last_logout
76 ? ctime(&natp->nat_last_logout) : "?");
79 *natp->nat_hostname ? natp->nat_hostname : natp->nat_hostaddr);
81 strcpy(natp->nat_userid, player->userid);
82 strcpy(natp->nat_hostname, player->hostname);
83 strcpy(natp->nat_hostaddr, player->hostaddr);
84 natp->nat_last_login = player->curup;
86 if (natp->nat_flags & NF_INFORM && natp->nat_tgms > 0) {
87 if (natp->nat_tgms == 1)
88 pr("You have a new telegram waiting ...\n");
90 pr("You have %s new telegrams waiting ...\n",
91 numstr(buf, natp->nat_tgms));
95 while (status() && command()) {
97 io_set_eof(player->iop);
101 /* #*# I put the following line in to prevent server crash -KHS */
102 natp = getnatp(player->cnum);
103 time(&natp->nat_last_logout);
105 update_timeused(natp->nat_last_logout);
106 enforce_minimum_session_time();
113 struct natstr *natp = getnatp(player->cnum);
114 char *redir; /* UTF-8 */
117 prprompt(natp->nat_timeused / 60, natp->nat_btu);
118 if (getcommand(player->combuf) < 0)
119 return player->aborted;
122 update_timeused(now);
123 if (!player->god && !may_play_now(natp, now))
126 if (parse(player->combuf, player->argbuf, player->argp,
127 player->comtail, &player->condarg, &redir) < 0) {
128 pr("See \"info Syntax\"?\n");
130 if (dispatch(player->combuf, redir) < 0)
131 pr("Try \"list of commands\" or \"info\"\n");
143 natp = getnatp(player->cnum);
144 if (player->dolcost > 100.0)
145 pr("That just cost you $%.2f\n", player->dolcost);
146 else if (player->dolcost < -100.0)
147 pr("You just made $%.2f\n", -player->dolcost);
148 if (player->dolcost != 0.0) {
150 * Hackish work around for a race condition in the nightly
151 * build's regression tests: sometimes the update starts right
152 * after the force command yields, sometimes a bit later. If
153 * it is late, we use one random number here, for the bye,
154 * and throwing off the random sequence.
156 natp->nat_money -= roundavg(player->dolcost);
157 player->dolcost = 0.0;
160 old_nstat = player->nstat;
161 player_set_nstat(player, natp);
162 if ((old_nstat & MONEY) && !(player->nstat & MONEY))
163 pr("You are now broke; industries are on strike.\n");
164 if (!(old_nstat & MONEY) && (player->nstat & MONEY))
165 pr("You are no longer broke!\n");
167 time(&player->curup);
168 update_timeused(player->curup);
169 if (io_error(player->iop) || io_eof(player->iop)
170 || !may_play_now(natp, player->curup))
173 if (player->btused) {
174 natp->nat_btu -= player->btused;
177 if (natp->nat_tgms > 0) {
178 if (!(natp->nat_flags & NF_INFORM)) {
179 if (natp->nat_tgms == 1)
180 pr("You have a new telegram waiting ...\n");
182 pr("You have %s new telegrams waiting ...\n",
183 numstr(buf, natp->nat_tgms));
187 if (natp->nat_ann > 0) {
188 if (natp->nat_ann == 1)
189 pr("You have a new announcement waiting ...\n");
191 pr("You have %s new announcements waiting ...\n",
192 numstr(buf, natp->nat_ann));
195 if (natp->nat_stat == STAT_ACTIVE && (player->nstat & CAP) == 0)
196 pr("You lost your capital... better designate one (see info capital)\n");
202 * Make all objects stale if ARG is one of the player's command arguments.
203 * See ef_make_stale() for what "making stale" means.
204 * Useful for functions that prompt for missing arguments.
205 * These can yield the processor, so we'd like to call ef_make_stale()
206 * there. Except that leads to false positives when the caller passes
207 * an argument that is never null, and relies on the fact that the
208 * function doesn't yield then. We can't know that in general. But
209 * we do know in the common special case of command arguments.
212 make_stale_if_command_arg(char *arg)
214 if (player->argbuf <= arg
215 && arg <= player->argbuf + sizeof(player->argbuf))
220 * XXX This whole mess should be redone; execute block should
221 * start with "exec start", and should end with "exec end".
222 * We'll wait until 1.2 I guess.
227 char buf[1024]; /* UTF-8 */
230 char *redir; /* UTF-8 */
234 p = player->comtail[1];
236 p = ugetstring("File? ", buf);
237 if (p == NULL || *p == '\0')
241 while (!failed && status() && !player->got_ctld) {
242 player->nstat &= ~EXEC;
243 if (getcommand(player->combuf) < 0)
245 if (parse(player->combuf, player->argbuf, player->argp,
246 player->comtail, &player->condarg, &redir) < 0) {
251 uprnf(player->combuf);
254 pr("Execute : redirection not supported\n");
256 } else if (dispatch(player->combuf, NULL) < 0)
258 /* player->aborted not reset; makes next getcommand() fail */
262 while (recvclient(buf, sizeof(buf)) >= 0) ;
265 pr("Execute : %s\n", failed ? "aborted" : "terminated");
266 player->got_ctld = 0;
273 show_first_tel(motdfil);
280 io_set_eof(player->iop);
285 praddr(struct player *p)
287 return prbuf("%s@%s", p->userid,
288 *p->hostname ? p->hostname : p->hostaddr);