From 63dd6ce6b0d6508ad3c07263b583b0090b2d4cba Mon Sep 17 00:00:00 2001 From: alberth Date: Sun, 28 Feb 2010 18:15:19 +0000 Subject: (svn r19291) -Codechange: Rename HasVehicleOnTunnelBridge() to TunnelBridgeIsFree() and return a CommandCost status. --- src/road_cmd.cpp | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'src/road_cmd.cpp') diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index 9e9f9c141..7ee64c795 100644 --- a/src/road_cmd.cpp +++ b/src/road_cmd.cpp @@ -192,10 +192,12 @@ static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits piec if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; break; - case MP_TUNNELBRIDGE: + case MP_TUNNELBRIDGE: { if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR; - if (HasVehicleOnTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile))) return CMD_ERROR; - break; + CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile)); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; + } break; default: return CMD_ERROR; @@ -573,13 +575,15 @@ CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT); } break; - case MP_TUNNELBRIDGE: + case MP_TUNNELBRIDGE: { 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; - break; + CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile)); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; + } break; default: { do_clear:; -- cgit v1.2.3-54-g00ecf