/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire is free software: you can redistribute it and/or modify
* Known contributors to this file:
* Dave Pare, 1994
* Steve McClure, 1998
- * Markus Armbruster, 2007-2012
+ * Markus Armbruster, 2007-2014
*/
#include <config.h>
+#include "chance.h"
#include "com.h"
#include "empio.h"
-#include "file.h"
#include "journal.h"
#include "match.h"
#include "misc.h"
#include "prototypes.h"
#include "server.h"
+/*
+ * Last command's PRNG seed.
+ * Only used when running_test_suite.
+ */
+int test_suite_prng_seed;
+
/*
* Execute command named by player->argp[0].
- * BUF is the raw UTF-8 command line. It should have been passed to
+ * @buf is the raw UTF-8 command line. It should have been passed to
* parse() to set up player->argp.
- * If REDIR is not null, it's the command's redirection, in UTF-8.
+ * If @redir is not null, it's the command's redirection, in UTF-8.
* Return -1 if the command is not unique or doesn't exist, else 0.
*/
int
return -1;
}
command = &player_coms[cmd];
+
np = getnatp(player->cnum);
if (np->nat_btu < command->c_cost && command->c_cost > 0) {
if (player->god || opt_BLITZ)
np->nat_btu = max_btus;
else {
- pr("You don't have the BTU's, bozo\n");
+ pr("You don't have the BTUs, bozo\n");
return 0;
}
}
player->may_sleep = command->c_flags & C_MOD
? PLAYER_SLEEP_ON_INPUT : PLAYER_SLEEP_FREELY;
player->command = command;
- empth_rwlock_rdlock(play_lock);
+ empth_rwlock_rdlock(update_lock);
+
+ /*
+ * When running the test suite, reseed PRNG for each command with
+ * a counter, to keep results stable even when the number of PRNs
+ * consumed changes.
+ * Tests can adjust the counter with "__cmd added ...", to
+ * keep the results stable when commands are inserted or deleted.
+ */
+ test_suite_prng_seed += !(command->c_permit & TESTING);
+ if (running_test_suite)
+ seed_prng(test_suite_prng_seed);
+
if (redir) {
prredir(redir);
uprnf(buf);
CANT_REACH();
break;
}
- empth_rwlock_unlock(play_lock);
+
+ empth_rwlock_unlock(update_lock);
player->command = NULL;
if (player->may_sleep != PLAYER_SLEEP_NEVER || !io_eof(player->iop))
player->may_sleep = PLAYER_SLEEP_FREELY;