(svn r7111) After checking p1 in CmdBuildSingleRail() assign it to a variable railtype instead of using p1 in the function. Also assign p2 to track only after it has been checked for validity

This commit is contained in:
tron 2006-11-08 09:18:27 +00:00
parent d830874c12
commit 2ebd07ecfc

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@ -231,12 +231,15 @@ static inline bool ValParamTrackOrientation(Track track) {return IsValidTrack(tr
int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{ {
Slope tileh; Slope tileh;
Track track = (Track)p2; RailType railtype;
Track track;
TrackBits trackbit; TrackBits trackbit;
int32 cost = 0; int32 cost = 0;
int32 ret; int32 ret;
if (!ValParamRailtype(p1) || !ValParamTrackOrientation(track)) return CMD_ERROR; if (!ValParamRailtype(p1) || !ValParamTrackOrientation(p2)) return CMD_ERROR;
railtype = (RailType)p1;
track = (Track)p2;
tileh = GetTileSlope(tile, NULL); tileh = GetTileSlope(tile, NULL);
trackbit = TrackToTrackBits(track); trackbit = TrackToTrackBits(track);
@ -257,7 +260,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (CmdFailed(ret)) return ret; if (CmdFailed(ret)) return ret;
cost += ret; cost += ret;
if (flags & DC_EXEC) SetRailUnderBridge(tile, _current_player, p1); if (flags & DC_EXEC) SetRailUnderBridge(tile, _current_player, railtype);
} else if (IsTransportUnderBridge(tile) && } else if (IsTransportUnderBridge(tile) &&
GetTransportTypeUnderBridge(tile) == TRANSPORT_RAIL) { GetTransportTypeUnderBridge(tile) == TRANSPORT_RAIL) {
return_cmd_error(STR_1007_ALREADY_BUILT); return_cmd_error(STR_1007_ALREADY_BUILT);
@ -273,7 +276,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
return CMD_ERROR; return CMD_ERROR;
} }
if (!IsTileOwner(tile, _current_player) || if (!IsTileOwner(tile, _current_player) ||
!IsCompatibleRail(GetRailType(tile), p1)) { !IsCompatibleRail(GetRailType(tile), railtype)) {
// Get detailed error message // Get detailed error message
return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
} }
@ -285,8 +288,8 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* XXX Assume a 'higher' railtype has preference. This means we /* XXX Assume a 'higher' railtype has preference. This means we
* will convert from normal rail to electrified rail, but not * will convert from normal rail to electrified rail, but not
* the other way around. */ * the other way around. */
if (GetRailType(tile) < (RailType)p1) { if (GetRailType(tile) < railtype) {
ret = DoCommand(tile, tile, p1, flags, CMD_CONVERT_RAIL); ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL);
if (CmdFailed(ret)) return ret; if (CmdFailed(ret)) return ret;
cost += ret; cost += ret;
} }
@ -313,7 +316,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if ((track == TRACK_X && GetRoadBits(tile) == ROAD_Y) || if ((track == TRACK_X && GetRoadBits(tile) == ROAD_Y) ||
(track == TRACK_Y && GetRoadBits(tile) == ROAD_X)) { (track == TRACK_Y && GetRoadBits(tile) == ROAD_X)) {
if (flags & DC_EXEC) { if (flags & DC_EXEC) {
MakeRoadCrossing(tile, GetTileOwner(tile), _current_player, (track == TRACK_X ? AXIS_Y : AXIS_X), p1, GetTownIndex(tile)); MakeRoadCrossing(tile, GetTileOwner(tile), _current_player, (track == TRACK_X ? AXIS_Y : AXIS_X), railtype, GetTownIndex(tile));
} }
break; break;
} }
@ -333,7 +336,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (CmdFailed(ret)) return ret; if (CmdFailed(ret)) return ret;
cost += ret; cost += ret;
if (flags & DC_EXEC) MakeRailNormal(tile, _current_player, trackbit, p1); if (flags & DC_EXEC) MakeRailNormal(tile, _current_player, trackbit, railtype);
break; break;
} }