/** returns the track to choose on the next tile, or -1 when it's better to
* reverse. The tile given is the tile we are about to enter, enterdir is the
* direction in which we are entering the tile */
static Track ChooseShipTrack(const Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
{
assert(IsValidDiagDirection(enterdir));
switch (_settings_game.pf.pathfinder_for_ships) {
case VPF_OPF: return OPFShipChooseTrack(v, tile, enterdir, tracks);
case VPF_NPF: return NPFShipChooseTrack(v, tile, enterdir, tracks);
case VPF_YAPF: return YapfShipChooseTrack(v, tile, enterdir, tracks);
default: NOT_REACHED();
}
}
/**
* Runs the pathfinder to choose a track to continue along.
*
* @param v Ship to navigate
* @param tile Tile, the ship is about to enter
* @param enterdir Direction of entering
* @param tracks Available track choices on \a tile
* @return Track to choose, or INVALID_TRACK when to reverse.
*/
static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
{
assert(IsValidDiagDirection(enterdir));
bool path_found = true;
Track track;
switch (_settings_game.pf.pathfinder_for_ships) {
case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
default: NOT_REACHED();
}
v->HandlePathfindingResult(path_found);
return track;
}
