/*
* 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) 1986-2021, 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.
*
* ---
*
* damage.h: Damage formulas
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1998
+ * Markus Armbruster, 2006-2012
*/
#ifndef DAMAGE_H
#define DAMAGE_H
#define PERCENT_DAMAGE(x) (100 * (x) / ((x) + 100))
-#define DPERCENT_DAMAGE(x) ((double)(100.0 * (x) / ((x) + 100.0)))
-#define DMINE_HITCHANCE(x) ((double) ( (x) / ((x)+20.0) ) )
-#define DMINE_LHITCHANCE(x) ((double) ( (x) / ((x)+35.0) ) )
-#define MINE_DAMAGE() (22 + random()%21)
-#define MINE_LDAMAGE() (10 + random()%11)
-#define DTORP_HITCHANCE(range, vis) ((double)(0.9/((range)+1)+(((vis)<6)?(5-(vis))*0.03:0)))
-#define TORP_DAMAGE() (torpedo_damage + (random() % torpedo_damage) + \
- (random() % torpedo_damage))
+#define DPERCENT_DAMAGE(x) (100.0 * (x) / ((x) + 100.0))
+#define DMINE_HITCHANCE(x) ((x) / ((x) + 20.0))
+#define DMINE_LHITCHANCE(x) ((x) / ((x) + 35.0))
+#define MINE_DAMAGE() (21 + roll(21))
+#define MINE_LDAMAGE() (10 + roll(20))
+#define DTORP_HITCHANCE(range, vis) \
+ (0.9 / ((range)+1) + (((vis) < 6) ? (5-(vis)) * 0.03 : 0.0))
+#define TORP_DAMAGE() (torpedo_damage + roll0(torpedo_damage) + \
+ roll0(torpedo_damage))
#endif