From 566f87b2deca7c08582e0ed59d173b9c71304e0b Mon Sep 17 00:00:00 2001 From: alberth Date: Sat, 27 Feb 2010 17:42:55 +0000 Subject: (svn r19279) -Codechange: CheckIfAuthorityAllowsNewStation() returns CommandCost. --- src/station_cmd.cpp | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) (limited to 'src/station_cmd.cpp') diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp index 90b443661..337c7bad8 100644 --- a/src/station_cmd.cpp +++ b/src/station_cmd.cpp @@ -1095,7 +1095,10 @@ CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 StationID station_to_join = GB(p2, 16, 16); /* Does the authority allow this? */ - if (!CheckIfAuthorityAllowsNewStation(tile_org, flags)) return CMD_ERROR; + CommandCost ret = CheckIfAuthorityAllowsNewStation(tile_org, flags); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; + if (!ValParamRailtype(rt)) return CMD_ERROR; /* Check if the given station class is valid */ @@ -1132,7 +1135,7 @@ CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 cost.AddCost((numtracks * _price[PR_BUILD_STATION_RAIL] + _price[PR_BUILD_STATION_RAIL_LENGTH]) * plat_len); Station *st = NULL; - CommandCost ret = FindJoiningStation(est, station_to_join, adjacent, new_location, &st); + ret = FindJoiningStation(est, station_to_join, adjacent, new_location, &st); ret.SetGlobalErrorMessage(); if (ret.Failed()) return ret; @@ -1688,12 +1691,14 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin /* If it is a drive-through stop, check for valid axis. */ if (is_drive_through && !IsValidAxis((Axis)ddir)) return CMD_ERROR; - if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR; + CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; /* Total road stop cost. */ CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]); StationID est = INVALID_STATION; - CommandCost ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts); + ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts); if (ret.Failed()) return ret; cost.AddCost(ret); @@ -2059,9 +2064,9 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint if (p1 >= NUM_AIRPORTS) return CMD_ERROR; - if (!CheckIfAuthorityAllowsNewStation(tile, flags)) { - return CMD_ERROR; - } + CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; /* Check if a valid, buildable airport was chosen for construction */ const AirportSpec *as = AirportSpec::Get(p1); @@ -2107,7 +2112,7 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint } Station *st = NULL; - CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), TileArea(tile, w, h), &st); + ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), TileArea(tile, w, h), &st); ret.SetGlobalErrorMessage(); if (ret.Failed()) return ret; @@ -2326,7 +2331,9 @@ CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 /* Docks cannot be placed on rapids */ if (IsWaterTile(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE); - if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR; + CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags); + ret.SetGlobalErrorMessage(); + if (ret.Failed()) return ret; if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST); @@ -2352,7 +2359,7 @@ CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 /* middle */ Station *st = NULL; - CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0), + ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0), TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]), _dock_w_chk[direction], _dock_h_chk[direction]), &st); ret.SetGlobalErrorMessage(); -- cgit v1.2.3-54-g00ecf