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(bestownedpath): Return NULL on long path instead of "?". Terminate

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returned path with 'h'.  This makes BestShipPath() and BestAirPath()
more similar to BestLandPath().  Simplify callers.
This commit is contained in:
Markus Armbruster 2006-04-05 09:30:38 +00:00
parent 9c27a771b3
commit abb9ae2338
3 changed files with 6 additions and 7 deletions
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7
src/lib/common/bestpath.c
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@ -176,8 +176,8 @@ bestownedpath(s_char *bpath,
maxy = y + 1;
do {
if (++routelen == MAXROUTE)
return "?";
if (++routelen == MAXROUTE - 1)
return NULL;
markedsectors = 0;
for (scanx = minx; scanx <= maxx; scanx++) {
x = XNORM(scanx);
@ -200,7 +200,8 @@ bestownedpath(s_char *bpath,
}
}
if (tx == ex && ty == ey) {
bpath[routelen] = 0;
bpath[routelen] = 'h';
bpath[routelen + 1] = 0;
while (routelen--) {
i = ((mapindex[tx][ty]) >> 13) - 1;
bpath[routelen] = dirchar[i];