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(svn r11636) -Fix: it was possible to build/remove road/tram in tunnel/bridge when there was vehicle in it

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This commit is contained in:
smatz 2007-12-15 13:59:38 +00:00
parent 828c242291
commit 46724104fe
1 changed files with 27 additions and 11 deletions
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38
src/road_cmd.cpp
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@ -121,16 +121,27 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
switch (GetTileType(tile)) {
case MP_ROAD:
if (_game_mode != GM_EDITOR && GetRoadOwner(tile, rt) == OWNER_TOWN) t = GetTownByTile(tile);
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
break;
case MP_STATION:
if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
break;
case MP_TUNNELBRIDGE:
if ((IsTunnel(tile) && GetTunnelTransportType(tile) != TRANSPORT_ROAD) ||
(IsBridge(tile) && GetBridgeTransportType(tile) != TRANSPORT_ROAD)) return CMD_ERROR;
break;
{
TileIndex endtile;
if (IsTunnel(tile)) {
if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
endtile = GetOtherTunnelEnd(tile);
} else {
if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
endtile = GetOtherBridgeEnd(tile);
}
if (GetVehicleTunnelBridge(tile, endtile) != NULL) return CMD_ERROR;
} break;
default:
return CMD_ERROR;
@ -143,8 +154,6 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (!CheckAllowRemoveRoad(tile, pieces, &edge_road, rt)) return CMD_ERROR;
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
/* check if you're allowed to remove the street owned by a town
* removal allowance depends on difficulty setting */
if (!CheckforTownRating(flags, t, ROAD_REMOVE)) return CMD_ERROR;
@ -502,12 +511,19 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
break;
case MP_TUNNELBRIDGE:
if ((IsTunnel(tile) && GetTunnelTransportType(tile) != TRANSPORT_ROAD) ||
(IsBridge(tile) && GetBridgeTransportType(tile) != TRANSPORT_ROAD)) return CMD_ERROR;
if (HasBit(GetRoadTypes(tile), rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
/* Don't allow "upgrading" the bridge/tunnel when vehicles are already driving on it */
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
break;
{
TileIndex endtile;
if (IsTunnel(tile)) {
if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
endtile = GetOtherTunnelEnd(tile);
} else {
if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
endtile = GetOtherBridgeEnd(tile);
}
if (HasBit(GetRoadTypes(tile), rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
/* Don't allow "upgrading" the bridge/tunnel when vehicles are already driving on it */
if (GetVehicleTunnelBridge(tile, endtile) != NULL) return CMD_ERROR;
} break;
default:
do_clear:;