Mercurial > hg > openttd
changeset 4043:824fd31ce2d0 draft
(svn r5312) - Fix (r5288): Be very strict about terraforming. If a rail tile has a foundation already, bail out.
author | Darkvater <Darkvater@openttd.org> |
---|---|
date | Mon, 19 Jun 2006 06:49:51 +0000 |
parents | 8b6234cb8e0a |
children | 904f22a3889f |
files | clear_cmd.c |
diffstat | 1 files changed, 5 insertions(+), 4 deletions(-) [+] |
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--- a/clear_cmd.c +++ b/clear_cmd.c @@ -259,13 +259,14 @@ if (IsSteepSlope(s)) return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); if (IsPlainRailTile(tile)) { - /* We need to check if a rail is on a leveled foundation and - * then treat it as such. Important for correct tunneling */ + /* If a piece of rail is on a foundation, prohibit any terraforming + * of that tile. We do need to check this with the original slope, not + * the would-be one. */ extern const TrackBits _valid_tileh_slopes[2][15]; TrackBits tb = GetTrackBits(tile); - uint foundation = (GetRailFoundation(s, tb) == 0) ? 1 : 0; - if (tb & ~_valid_tileh_slopes[foundation][s]) return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); + if (GetRailFoundation(GetTileSlope(tile, NULL), tb) != 0) return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); + if (tb & ~_valid_tileh_slopes[0][s]) return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); } else return_cmd_error(STR_5800_OBJECT_IN_THE_WAY); }