empserver/src/lib/update/age.c

85 lines
2.6 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* age.c: Age people
*
* Known contributors to this file:
* Dave Pare, 1986
*/
#include <config.h>
#include "update.h"
void
age_levels(int etu)
{
float best_tech, best_res;
struct natstr *np;
int i;
double level;
double delta;
int deltares;
best_tech = 0.0;
best_res = 0.0;
for (i = 0; NULL != (np = getnatp(i)); i++) {
if (np->nat_stat != STAT_ACTIVE)
continue;
if (best_tech < np->nat_level[NAT_TLEV])
best_tech = np->nat_level[NAT_TLEV];
if (best_res < np->nat_level[NAT_RLEV])
best_res = np->nat_level[NAT_RLEV];
if (level_age_rate != 0.0) {
delta = np->nat_level[NAT_RLEV] * etu / (100 * level_age_rate);
np->nat_level[NAT_RLEV] -= delta;
delta = np->nat_level[NAT_TLEV] * etu / (100 * level_age_rate);
np->nat_level[NAT_TLEV] -= delta;
}
/*
* age reserves by 1% per every 24 etus
*/
deltares = -roundavg(np->nat_reserve * etu / 2400.0);
if (deltares != 0)
np->nat_reserve += deltares;
/* Chad Zabel - above number is negative ( was a -= there
which was wrong. */
}
best_tech /= 5;
best_res /= 5;
for (i = 0; NULL != (np = getnatp(i)); i++) {
if (np->nat_stat < STAT_SANCT || np->nat_stat == STAT_GOD)
continue;
level = np->nat_level[NAT_TLEV];
if (level < best_tech && chance(0.2))
np->nat_level[NAT_TLEV] += (best_tech - level) / 3;
level = np->nat_level[NAT_RLEV];
if (level < best_res && chance(0.2))
np->nat_level[NAT_RLEV] += (best_res - level) / 3;
}
}