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(svn r18987) -Fix: [NoAI] Make building long rails fail for AIs if there is an obstacle in the way.

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terkhen
2010-02-02 22:27:03 +00:00
parent b02a522038
commit 2798fdf082
3 changed files with 7 additions and 2 deletions
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6
src/rail_cmd.cpp
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@@ -698,6 +698,7 @@ static CommandCost ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileInd
* - p2 = (bit 0-3) - railroad type normal/maglev (0 = normal, 1 = mono, 2 = maglev)
* - p2 = (bit 4-6) - track-orientation, valid values: 0-5 (Track enum)
* - p2 = (bit 7) - 0 = build, 1 = remove tracks
* - p2 = (bit 8) - 0 = build up to an obstacle, 1 = fail if an obstacle is found (used for AIs).
* @param text unused
* @return the cost of this operation or an error
*/
@@ -721,7 +722,10 @@ static CommandCost CmdRailTrackHelper(TileIndex tile, DoCommandFlag flags, uint3
ret = DoCommand(tile, railtype, TrackdirToTrack(trackdir), flags, remove ? CMD_REMOVE_SINGLE_RAIL : CMD_BUILD_SINGLE_RAIL);
if (ret.Failed()) {
if (_error_message != STR_ERROR_ALREADY_BUILT && !remove) break;
if (_error_message != STR_ERROR_ALREADY_BUILT && !remove) {
if (HasBit(p2, 8)) return CMD_ERROR;
break;
}
_error_message = INVALID_STRING_ID;
} else {
total_cost.AddCost(ret);