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Factor out ship usable gun calculation into shp_usable_gun()

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This commit is contained in:
Markus Armbruster 2008-03-03 20:33:54 +01:00
parent ffab089c61
commit 4849600cd5
5 changed files with 16 additions and 7 deletions
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1
include/ship.h
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@ -187,5 +187,6 @@ extern int shp_dchrg(struct shpstr *);
extern int shp_fire(struct shpstr *);
extern int shp_torp(struct shpstr *, int);
extern double shp_fire_range(struct shpstr *);
extern int shp_usable_guns(struct shpstr *);
#endif

4
src/lib/commands/bomb.c
View file

@ -523,8 +523,8 @@ ship_bomb(struct emp_qelem *list, struct sctstr *target)
if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
continue;
shell = gun = 0;
gun = MIN(ship.shp_item[I_GUN], ship.shp_glim);
shell = 0;
gun = shp_usable_guns(&ship);
if (gun > 0) {
shell = ship.shp_item[I_SHELL];
if (shell <= 0)

4
src/lib/subs/aircombat.c
View file

@ -837,8 +837,8 @@ ac_shipflak(struct emp_qelem *list, coord x, coord y)
rel = getrel(getnatp(ship.shp_own), plane_owner);
if (rel > HOSTILE)
continue;
shell = gun = 0;
gun = MIN(ship.shp_item[I_GUN], ship.shp_glim);
shell = 0;
gun = shp_usable_guns(&ship);
if (gun) {
shell = ship.shp_item[I_SHELL];
if (shell <= 0) {

12
src/lib/subs/landgun.c
View file

@ -113,8 +113,7 @@ shp_fire(struct shpstr *sp)
if (sp->shp_effic < 60)
return -1;
guns = sp->shp_glim;
guns = MIN(guns, sp->shp_item[I_GUN]);
guns = shp_usable_guns(sp);
guns = MIN(guns, (sp->shp_item[I_MILIT] + 1) / 2);
if (guns == 0)
return -1;
@ -217,6 +216,15 @@ lnd_fire(struct lndstr *lp)
return d;
}
/*
* Return number of guns ship SP can fire.
*/
int
shp_usable_guns(struct shpstr *sp)
{
return MIN(sp->shp_glim, sp->shp_item[I_GUN]);
}
/*
* Return effective firing range for range factor RNG at tech TLEV.
*/

2
src/lib/subs/shpsub.c
View file

@ -877,7 +877,7 @@ shp_missile_defense(coord dx, coord dy, natid bombown, int hardtarget)
continue;
/* now calculate the odds */
gun = MIN(ship.shp_item[I_GUN], ship.shp_glim);
gun = shp_usable_guns(&ship);
eff = ship.shp_effic / 100.0;
teff = ship.shp_tech / (ship.shp_tech + 200.0);
/* raise 4.5 for better interception -KHS */