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(svn r2202) - Fix: [NPF] When a vehicle could not reach its target, it would choose a random direction. It will now try to get as close as possible.

This commit is contained in:
matthijs 2005-04-15 13:48:08 +00:00
parent 174030a15f
commit 4eeac3ea75
3 changed files with 19 additions and 8 deletions
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8
roadveh_cmd.c
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@ -1090,12 +1090,16 @@ static int RoadFindPathToDest(Vehicle *v, uint tile, int enterdir)
//debug("Finding path. Enterdir: %d, Trackdir: %d", enterdir, trackdir);
ftd = NPFRouteToStationOrTile(tile - TileOffsByDir(enterdir), trackdir, &fstd, TRANSPORT_ROAD, v->owner);
if (ftd.best_bird_dist != 0 || ftd.best_trackdir == 0xff) {
/* Not found, just do something, or we are already there */
if (ftd.best_trackdir == 0xff) {
/* We are already at our target. Just do something */
//TODO: maybe display error?
//TODO: go straight ahead if possible?
return_track(FindFirstBit2x64(bitmask));
} else {
/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
the direction we need to take to get there, if ftd.best_bird_dist is not 0,
we did not find our target, but ftd.best_trackdir contains the direction leading
to the tile closest to our target. */
return_track(ftd.best_trackdir);
}
} else {

10
ship_cmd.c
View File

@ -576,12 +576,14 @@ static int ChooseShipTrack(Vehicle *v, uint tile, int enterdir, uint tracks)
ftd = NPFRouteToStationOrTile(src_tile, _track_direction_to_trackdir[track][v->direction], &fstd, TRANSPORT_WATER, v->owner);
if (ftd.best_bird_dist == 0 && ftd.best_trackdir != 0xff)
/* Found the target, and it is not our current tile */
if (ftd.best_trackdir != 0xff)
/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
the direction we need to take to get there, if ftd.best_bird_dist is not 0,
we did not find our target, but ftd.best_trackdir contains the direction leading
to the tile closest to our target. */
return ftd.best_trackdir & 7; /* TODO: Wrapper function? */
else
return -1; /* Couldn't find target, reverse */
/* TODO: When the target is unreachable, the ship will keep reversing */
return -1; /* Already at target, reverse? */
} else {
uint b;
uint tot_dist, dist;

9
train_cmd.c
View File

@ -1672,12 +1672,17 @@ static byte ChooseTrainTrack(Vehicle *v, uint tile, int enterdir, byte trackbits
assert(trackdir != 0xff);
ftd = NPFRouteToStationOrTile(tile - TileOffsByDir(enterdir), trackdir, &fstd, TRANSPORT_RAIL, v->owner);
if (ftd.best_bird_dist != 0 || ftd.best_trackdir == 0xff) {
/* Not found, or we are already there. Just do something */
if (ftd.best_trackdir == 0xff) {
/* We are already at our target. Just do something */
//TODO: maybe display error?
//TODO: go straight ahead if possible?
best_track = FIND_FIRST_BIT(bits);
} else {
/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
the direction we need to take to get there, if ftd.best_bird_dist is not 0,
we did not find our target, but ftd.best_trackdir contains the direction leading
to the tile closest to our target. */
/* Discard enterdir information, making it a normal track */
best_track = ftd.best_trackdir & 7; /* TODO: Wrapper function? */
}