49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2016, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* damage.h: Damage formulas
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*
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* Known contributors to this file:
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* Ken Stevens, 1995
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* Steve McClure, 1998
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* Markus Armbruster, 2006-2012
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*/
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#ifndef DAMAGE_H
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#define DAMAGE_H
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#define PERCENT_DAMAGE(x) (100 * (x) / ((x) + 100))
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#define DPERCENT_DAMAGE(x) (100.0 * (x) / ((x) + 100.0))
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#define DMINE_HITCHANCE(x) ((x) / ((x) + 20.0))
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#define DMINE_LHITCHANCE(x) ((x) / ((x) + 35.0))
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#define MINE_DAMAGE() (21 + roll(21))
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#define MINE_LDAMAGE() (10 + roll(20))
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#define DTORP_HITCHANCE(range, vis) \
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(0.9 / ((range)+1) + (((vis) < 6) ? (5-(vis)) * 0.03 : 0.0))
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#define TORP_DAMAGE() (torpedo_damage + roll0(torpedo_damage) + \
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roll0(torpedo_damage))
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#endif
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