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Factor new lnd_sabo() out of sabo()

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This permits giving seagun(), fortgun() and landunitgun() internal
linkage.
This commit is contained in:
Markus Armbruster 2009-08-01 18:34:20 -04:00
parent 162c79bb73
commit ad296698f9
4 changed files with 32 additions and 14 deletions
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31
src/lib/subs/landgun.c
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@ -42,7 +42,7 @@
#include "sect.h"
#include "ship.h"
double
static double
fortgun(int effic, int guns)
{
double d;
@ -53,7 +53,7 @@ fortgun(int effic, int guns)
return d;
}
double
static double
seagun(int effic, int guns)
{
double d;
@ -65,7 +65,7 @@ seagun(int effic, int guns)
return d;
}
double
static double
landunitgun(int effic, int guns)
{
double d;
@ -202,6 +202,31 @@ lnd_fire(struct lndstr *lp)
return d;
}
/*
* Sabotage with land unit LP.
* Use ammo.
* Return damage if the land unit sabotages, else -1.
*/
int
lnd_sabo(struct lndstr *lp, short item[])
{
int dam;
if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
return -1;
if (!(lchr[lp->lnd_type].l_flags & L_SPY))
return -1;
if (!lp->lnd_item[I_SHELL])
return -1;
lp->lnd_item[I_SHELL]--;
dam = fortgun(3 * lp->lnd_effic, 7);
if (item[I_SHELL] > 20)
dam += seagun(lp->lnd_effic, random() % (item[I_SHELL] / 10));
if (item[I_PETROL] > 100)
dam += seagun(lp->lnd_effic, random() % (item[I_PETROL] / 50));
return dam;
}
/*
* Return number of guns ship SP can fire.
*/