cpp/openttd-patchpack/source Changeset - r1698:8b26fad26105

Changeset - r1698:8b26fad26105

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matthijs - 19 years ago 2005-04-15 13:48:08
matthijs@openttd.org

(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.

3 files changed with 19 insertions and 8 deletions:

roadveh_cmd.c

ship_cmd.c

train_cmd.c

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roadveh_cmd.c

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@@ @@ -1090,12 +1090,16 @@ static int RoadFindPathToDest(Vehicle *v @@
 		//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 {

ship_cmd.c

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@@ @@ -576,12 +576,14 @@ static int ChooseShipTrack(Vehicle *v, u @@
 		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;

train_cmd.c

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@@ @@ -1672,12 +1672,17 @@ static byte ChooseTrainTrack(Vehicle *v, @@
 		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? */
+		}

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