/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2018, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * 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.
*
* ---
*
* hap_fact.c: Happiness effect on che
- *
+ *
* Known contributors to this file:
* Steve McClure, 1996
+ * Markus Armbruster, 2006-2013
*/
#include <config.h>
-#include <stdio.h>
-#include <ctype.h>
#include "misc.h"
-#include "player.h"
-#include "xy.h"
#include "nat.h"
-#include "nsc.h"
-#include "common.h"
+#include "prototypes.h"
double
hap_fact(struct natstr *tnat, struct natstr *vnat)
hap_fact = 2.0;
else /* Target has no happy, worse fighting */
hap_fact = 0.8;
- if (hap_fact > 2.0)
- hap_fact = 2.0;
- if (hap_fact < 0.8)
- hap_fact = 0.8;
- return hap_fact;
+ return LIMIT_TO(hap_fact, 0.8, 2.0);
+}
+
+/* Return happiness required to keep NP's citizens happy. */
+double
+hap_req(struct natstr *np)
+{
+ return (np->nat_level[NAT_TLEV] - 40.0) / 40.0
+ + np->nat_level[NAT_ELEV] / 3.0;
}