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Encapsulate direct use of random(), srandom() in chance.c

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Wrap roll0() around random(), and seed_prng() around srandom().  In
preparation of replacing the PRNG.
This commit is contained in:
Markus Armbruster 2012-08-14 19:23:12 +02:00
parent 8eb78a5a80
commit 866859e912
17 changed files with 87 additions and 49 deletions
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8
src/lib/subs/takeover.c
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@ -29,7 +29,7 @@
* Known contributors to this file:
* Dave Pare, 1986
* Steve McClure, 1996-2000
* Markus Armbruster, 2007-2010
* Markus Armbruster, 2007-2012
*/
#include <config.h>
@ -100,7 +100,7 @@ takeover(struct sctstr *sp, natid newown)
if (!(chance(LND_SPY_DETECT_CHANCE(lp->lnd_effic))))
continue;
}
n = lp->lnd_effic - (30 + (random() % 100));
n = lp->lnd_effic - (30 + roll0(100));
if (n < 0)
n = 0;
lp->lnd_effic = n;
@ -129,7 +129,7 @@ takeover(struct sctstr *sp, natid newown)
* how spunky are these guys?
* n: random number from -25:75 + (50 - loyalty)
*/
n = (50 - sp->sct_loyal) + ((random() % 100) - 25);
n = (50 - sp->sct_loyal) + (roll0(100) - 25);
if (n > 0 && sp->sct_own == sp->sct_oldown) {
che_count = (civ * n / 3000) + 5;
if (che_count * 2 > civ)
@ -186,7 +186,7 @@ takeover_plane(struct plnstr *pp, natid newown)
* XXX If this was done right, planes could escape,
* flying to a nearby friendly airport.
*/
n = pp->pln_effic - (30 + (random() % 100));
n = pp->pln_effic - (30 + roll0(100));
if (n < 0)
n = 0;
pp->pln_effic = n;