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(svn r14316) -Fix: do not allow building road over level crossings and drive-through road stops in the wrong direction even when the roadtype is present

This commit is contained in:
smatz 2008-09-13 17:37:18 +00:00
parent c4d49dfc21
commit 54d1b49981
1 changed files with 4 additions and 2 deletions
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6
src/road_cmd.cpp
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@ -523,10 +523,11 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
} break;
case ROAD_TILE_CROSSING:
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
other_bits = GetCrossingRoadBits(tile);
if (pieces & ComplementRoadBits(other_bits)) goto do_clear;
pieces = other_bits; // we need to pay for both roadbits
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
break;
default:
@ -578,11 +579,12 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
case MP_STATION: {
if (!IsDriveThroughStopTile(tile)) goto do_clear;
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
if (pieces & ~curbits) goto do_clear;
pieces = curbits; // we need to pay for both roadbits
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
} break;
case MP_TUNNELBRIDGE: