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subs: Factor shp_may_nav() out of shp_nav()

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shp_may_nav() uses sp->shp_own rather than actor, but that's okay,
shp_nav() ensures they're the same.

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2015-01-05 10:57:19 +01:00
parent bbacc28606
commit 2a23660e68
2 changed files with 50 additions and 28 deletions
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3
include/ship.h
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@ -31,7 +31,7 @@
* Thomas Ruschak, 1992
* Ken Stevens, 1995
* Steve McClure, 1998
* Markus Armbruster, 2004-2014
* Markus Armbruster, 2004-2015
*/
#ifndef SHIP_H
@ -169,6 +169,7 @@ extern int shp_usable_guns(struct shpstr *);
extern double shp_torp_hitchance(struct shpstr *, int);
/* src/lib/subs/shpsub.c */
extern int shp_may_nav(struct shpstr *, struct shpstr *, char *);
extern void shp_sel(struct nstr_item *, struct emp_qelem *);
extern struct ulist *shp_insque(struct shpstr *, struct emp_qelem *);
extern void shp_nav(struct emp_qelem *, double *, double *, natid);