struct { TileIndexDiff opposite_tile, next_tile_1, next_tile_2; TrackBits opposite_track, next_track_1, next_track_2; } table[] = {
	{ TileDiffXY(-1,  1), TileDiffXY( 0,  1), TileDiffXY(-1,  0), TRACK_BIT_LEFT,  _settings_game.pf.forbid_90_deg ? TRACK_BIT_X | TRACK_BIT_RIGHT : TRACK_BIT_3WAY_NE, _settings_game.pf.forbid_90_deg ? TRACK_BIT_Y | TRACK_BIT_RIGHT : TRACK_BIT_3WAY_SE },
	{ TileDiffXY(-1, -1), TileDiffXY(-1,  0), TileDiffXY( 0, -1), TRACK_BIT_LOWER, _settings_game.pf.forbid_90_deg ? TRACK_BIT_Y | TRACK_BIT_UPPER : TRACK_BIT_3WAY_NW, _settings_game.pf.forbid_90_deg ? TRACK_BIT_X | TRACK_BIT_UPPER : TRACK_BIT_3WAY_NE },
	{ TileDiffXY( 1, -1), TileDiffXY( 0, -1), TileDiffXY( 1,  0), TRACK_BIT_RIGHT, _settings_game.pf.forbid_90_deg ? TRACK_BIT_X | TRACK_BIT_LEFT  : TRACK_BIT_3WAY_SW, _settings_game.pf.forbid_90_deg ? TRACK_BIT_Y | TRACK_BIT_LEFT  : TRACK_BIT_3WAY_NW },
	{ TileDiffXY( 1,  1), TileDiffXY( 1,  0), TileDiffXY( 0,  1), TRACK_BIT_UPPER, _settings_game.pf.forbid_90_deg ? TRACK_BIT_Y | TRACK_BIT_LOWER : TRACK_BIT_3WAY_SE, _settings_game.pf.forbid_90_deg ? TRACK_BIT_X | TRACK_BIT_LOWER : TRACK_BIT_3WAY_SW },
};

static bool GrowingOnWateredTile(TileIndex tile)
{
	Slope slope = GetTileSlope(tile);
	if (IsSlopeWithOneCornerRaised(slope)) {
		Corner corner = GetHighestSlopeCorner(slope);

		TileIndex opposite_tile = tile + table[corner].opposite_tile;
		TrackBits opposite_track = table[corner].opposite_track;

		TileIndex next_tile_1 = tile + table[corner].next_tile_1;
		TrackBits next_track_1 = table[corner].next_track_1;

		TileIndex next_tile_2 = tile + table[corner].next_tile_2;
		TrackBits next_track_2 = table[corner].next_track_2;

		if (IsValidTile(next_tile_1)) {
			next_track_1 &= TrackStatusToTrackBits(GetTileTrackStatus(next_tile_1, TRANSPORT_WATER, 0));
		}
		if (IsValidTile(next_tile_2)) {
			next_track_2 &= TrackStatusToTrackBits(GetTileTrackStatus(next_tile_2, TRANSPORT_WATER, 0));
		}
		if (next_track_1 != TRACK_BIT_NONE && next_track_2 != TRACK_BIT_NONE) {
			if (IsValidTile(opposite_tile)) {
				opposite_track &= TrackStatusToTrackBits(GetTileTrackStatus(opposite_track, TRANSPORT_WATER, 0));
			}
		}
		if (next_track_1 != TRACK_BIT_NONE) {
			if (next_track_2 == TRACK_BIT_NONE) {
				return false;
			} else {
				if (opposite_track == TRACK_BIT_NONE) {
					return true;
				} else {
					return false;
				}
			}
		}
		if (next_track_2 != TRACK_BIT_NONE) {
			if (next_track_1 == TRACK_BIT_NONE) {
				return false;
			} else {
				if (opposite_track == TRACK_BIT_NONE) {
					return true;
				} else {
					return false;
				}
			}
		}
		if (next_track_1 == TRACK_BIT_NONE && next_track_2 == TRACK_BIT_NONE) {
			return false;
		}
		/* Should never reach here */
		return false;
	}
	return false;
}