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 * hap_fact.c: Happiness effect on che
29 * Known contributors to this file:
39 #include "prototypes.h"
43 hap_fact(struct natstr *tnat, struct natstr *vnat)
47 hap_fact = vnat->nat_level[NAT_HLEV];
48 if (hap_fact && tnat->nat_level[NAT_HLEV])
49 hap_fact = tnat->nat_level[NAT_HLEV] / hap_fact;
50 else if (!hap_fact && !tnat->nat_level[NAT_HLEV])
52 else if (tnat->nat_level[NAT_HLEV]) /* Target has happy, better fighting */
54 else /* Target has no happy, worse fighting */
63 /* Return happiness required to keep NP's citizens happy. */
65 hap_req(struct natstr *np)
67 return (np->nat_level[NAT_TLEV] - 40.0) / 40.0
68 + np->nat_level[NAT_ELEV] / 3.0;