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(owned_and_navigable): Rework rev. 1.18: do check the real sector, but

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only if it's owned or allied.  Check it before the bmap, and do it
just like shp_check_nav() does (should use common code).
This commit is contained in:
Markus Armbruster 2006-04-05 08:51:50 +00:00
parent 9c2b741b2e
commit 462bc9e7b2
1 changed files with 28 additions and 7 deletions
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35
src/lib/common/bestpath.c
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@ -52,7 +52,7 @@
#include "common.h"
#include "optlist.h"
static int owned_and_navigable(s_char *, int, int, s_char *, int);
static int owned_and_navigable(char *, int, int, char *, int);
#define MAXROUTE 100 /* return '?' if path longer than this */
#define valid(x,y) (((x^y)&1)==0)
@ -235,10 +235,11 @@ bestownedpath(s_char *bpath,
/* return TRUE if sector is passable */
static int
owned_and_navigable(s_char *map, int x, int y, s_char *terrain, int own)
owned_and_navigable(char *bigmap, int x, int y, char *terrain, int own)
{
s_char *t;
s_char mapspot; /* What this spot on the bmap is */
char *t;
char mapspot; /* What this spot on the bmap is */
struct sctstr sect;
int negate;
/* No terrain to check? Everything is navigable! (this
@ -246,11 +247,31 @@ owned_and_navigable(s_char *map, int x, int y, s_char *terrain, int own)
if (!*terrain)
return 1;
/* Are we checking this map? */
if (map) {
/* Owned or allied sector? Check the real sector. */
getsect(x, y, &sect);
if (sect.sct_own == own
|| (sect.sct_own && getrel(getnatp(sect.sct_own), own) == ALLIED)) {
/* FIXME duplicates shp_check_nav() logic */
switch (dchr[sect.sct_type].d_nav) {
case NAVOK:
return 1;
case NAV_CANAL:
/* FIXME return 1 when all ships have M_CANAL */
return 0;
case NAV_02:
return sect.sct_effic >= 2;
case NAV_60:
return sect.sct_effic >= 60;
default:
return 0;
}
}
/* Can only check bigmap */
if (bigmap) {
/* Do we know what this sector is? If not, we assume it's ok,
since otherwise we'll never venture anywhere */
mapspot = map[sctoff(x, y)];
mapspot = bigmap[sctoff(x, y)];
if (mapspot == ' ' || mapspot == 0)
return 1;