Import of Empire 4.2.12

include/damage.h

@@ -0,0 +1,48 @@
+/*
+ *  Empire - A multi-player, client/server Internet based war game.
+ *  Copyright (C) 1986-2000, 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 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.
+ *
+ *  ---
+ *
+ *  damage.h: Damage formulas
+ * 
+ *  Known contributors to this file:
+ *     Ken Stevens, 1995
+ *     Steve McClure, 1998
+ */
+
+#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))
+
+#endif /* _DAMAGE_H_ */