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Clean up land unit retreat chance and fix its documentation

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Change chance in percent lnd_retreat - lnd_effic - 1 to lnd_retreat -
lnd_effic.  It's been that way since Empire 2, but I can't bring
myself to document the silly -1.

"info morale" wasn't updated when the retreat chance was changed in
Empire 2.  Fix that.
This commit is contained in:
Markus Armbruster 2012-08-16 20:54:59 +02:00
parent f18c46824d
commit 5507ff3116
2 changed files with 7 additions and 9 deletions
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12
info/morale.t
View file

@ -5,11 +5,9 @@
The \*Qmorale\*U command is used to set the retreat percentage of land The \*Qmorale\*U command is used to set the retreat percentage of land
units. units.
.s1 .s1
Normally, a land unit must start making morale checks during combat Whenever a land unit takes a hit in combat, it may break off combat
when its efficiency is less than or equal to its retreat percentage. and attempt to retreat. This is called \*Qfailing a morale check\*U.
(The chance of failing a morale check is: sqrt(100-effic)%/(men in unit). The chance for it to happen is unit's retreat percentage - efficiency.
Example: a 25 man unit is at 75% efficiency. Its chance of failing is
sqrt(100-75)%/25 = sqrt(25)%/25 = 20%)
.s1 .s1
The morale command The morale command
allows you to adjust this percentage within a range. If, for example, you allows you to adjust this percentage within a range. If, for example, you
@ -19,8 +17,8 @@ the enemy down a bit. Or, you could set your retreat percentage to the minimum,
and make the unit stick around and fight more, but at the cost of more and make the unit stick around and fight more, but at the cost of more
casualties. casualties.
.s1 .s1
The maximum allowed value is 100% (i.e. start making morale checks after The maximum allowed value is 100%. The minimum value is based on
any casualties). The minimum value is based on happiness: happiness:
.ti 3 .ti 3
(morale_base) - happiness (morale_base) - happiness
.s1 .s1

4
src/lib/subs/lndsub.c
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@ -29,7 +29,7 @@
* Known contributors to this file: * Known contributors to this file:
* Ken Stevens, 1995 * Ken Stevens, 1995
* Steve McClure, 1998-2000 * Steve McClure, 1998-2000
* Markus Armbruster, 2004-2010 * Markus Armbruster, 2004-2012
*/ */
#include <config.h> #include <config.h>
@ -211,7 +211,7 @@ lnd_take_casualty(int combat_mode, struct ulist *llp, int cas)
/* Have to make a retreat check */ /* Have to make a retreat check */
ret_chance = llp->unit.land.lnd_retreat - llp->unit.land.lnd_effic; ret_chance = llp->unit.land.lnd_retreat - llp->unit.land.lnd_effic;
if (roll(100) < ret_chance) { if (roll(100) <= ret_chance) {
pr("\n"); pr("\n");
lnd_print(llp->unit.land.lnd_own, llp, "fails morale check!"); lnd_print(llp->unit.land.lnd_own, llp, "fails morale check!");
llp->unit.land.lnd_mission = 0; llp->unit.land.lnd_mission = 0;