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(lnd_fortify): New, factored out of fort().

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(fort): Use it; no functional changes.
(is_engineer): Move to logical place, external linkage.
This commit is contained in:
Markus Armbruster 2004-01-28 09:31:22 +00:00
parent ab01edbe46
commit f7faeb6470
5 changed files with 67 additions and 52 deletions
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48
src/lib/subs/lndsub.c
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@ -1349,3 +1349,51 @@ lnd_can_attack(struct lndstr *lp)
return 1;
}
/*
* Increase fortification value of LP.
* Fortification costs mobility. Use up to HARD_AMT mobility.
* Return actual fortification increase.
*/
int
lnd_fortify (struct lndstr *lp, int hard_amt)
{
extern int land_mob_max;
int mob_used;
int eng;
hard_amt = min(lp->lnd_mobil, hard_amt);
if ((lp->lnd_harden + hard_amt) > land_mob_max)
hard_amt = land_mob_max - lp->lnd_harden;
eng = is_engineer(lp->lnd_x, lp->lnd_y);
if (eng)
hard_amt = ((float)hard_amt * 1.5);
if ((lp->lnd_harden + hard_amt) > land_mob_max)
hard_amt = land_mob_max - lp->lnd_harden;
/* Ok, set the mobility used */
mob_used = hard_amt;
/* Now, if an engineer helped, it's really only 2/3rds of
that */
if (eng)
mob_used = (int)((float)mob_used / 1.5);
/* If we increased it, but not much, we gotta take at least 1
mob point. */
if (mob_used <= 0 && hard_amt > 0)
mob_used = 1;
lp->lnd_mobil -= mob_used;
if (lp->lnd_mobil < 0)
lp->lnd_mobil = 0;
lp->lnd_harden += hard_amt;
lp->lnd_harden = min(lp->lnd_harden, land_mob_max);
return hard_amt;
}