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(svn r17239) -Change [FS#2802]: allow overbuilding the front tile of a roadstation / roaddepot with road

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to be consistent with overbuilding the front tile of tunnels/bridges and also to make it easier for AIs to
connect roadstations and roaddepots to the road in front of it
This commit is contained in:
yexo 2009-08-20 15:59:35 +00:00
parent edcaf8aa3a
commit 367ff2375a
1 changed files with 6 additions and 3 deletions
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9
src/road_cmd.cpp
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@ -516,9 +516,11 @@ CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
break;
default:
case ROAD_TILE_DEPOT:
if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
goto do_clear;
default: NOT_REACHED();
}
break;
@ -565,6 +567,7 @@ CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
}
case MP_STATION: {
if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
if (!IsDriveThroughStopTile(tile)) goto do_clear;
RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
@ -575,8 +578,8 @@ CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
} break;
case MP_TUNNELBRIDGE:
if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) return CMD_ERROR;
if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) goto do_clear;
if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) goto do_clear;
if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
/* Don't allow adding roadtype to the bridge/tunnel when vehicles are already driving on it */
if (HasVehicleOnTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile))) return CMD_ERROR;