658 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			658 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* $Id$ */
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| 
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| /** @file command.cpp Handling of commands. */
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| 
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| #include "stdafx.h"
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| #include "openttd.h"
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| #include "landscape.h"
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| #include "tile_map.h"
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| #include "gui.h"
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| #include "command_func.h"
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| #include "network/network.h"
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| #include "genworld.h"
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| #include "newgrf_storage.h"
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| #include "strings_func.h"
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| #include "gfx_func.h"
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| #include "functions.h"
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| #include "town.h"
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| #include "date_func.h"
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| #include "debug.h"
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| #include "company_func.h"
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| #include "company_base.h"
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| #include "signal_func.h"
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| 
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| #include "table/strings.h"
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| 
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| StringID _error_message;
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| 
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| /**
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|  * Helper macro to define the header of all command handler macros.
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|  *
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|  * This macro create the function header for a given command handler function, as
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|  * all command handler functions got the parameters from the #CommandProc callback
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|  * type.
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|  *
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|  * @param yyyy The desired function name of the new command handler function.
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|  */
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| #define DEF_COMMAND(yyyy) CommandCost yyyy(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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| 
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| DEF_COMMAND(CmdBuildRailroadTrack);
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| DEF_COMMAND(CmdRemoveRailroadTrack);
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| DEF_COMMAND(CmdBuildSingleRail);
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| DEF_COMMAND(CmdRemoveSingleRail);
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| 
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| DEF_COMMAND(CmdLandscapeClear);
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| 
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| DEF_COMMAND(CmdBuildBridge);
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| 
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| DEF_COMMAND(CmdBuildRailroadStation);
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| DEF_COMMAND(CmdRemoveFromRailroadStation);
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| DEF_COMMAND(CmdConvertRail);
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| 
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| DEF_COMMAND(CmdBuildSingleSignal);
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| DEF_COMMAND(CmdRemoveSingleSignal);
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| 
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| DEF_COMMAND(CmdTerraformLand);
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| 
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| DEF_COMMAND(CmdPurchaseLandArea);
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| DEF_COMMAND(CmdSellLandArea);
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| 
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| DEF_COMMAND(CmdBuildTunnel);
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| 
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| DEF_COMMAND(CmdBuildTrainDepot);
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| DEF_COMMAND(CmdBuildTrainWaypoint);
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| DEF_COMMAND(CmdRenameWaypoint);
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| DEF_COMMAND(CmdRemoveTrainWaypoint);
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| 
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| DEF_COMMAND(CmdBuildRoadStop);
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| DEF_COMMAND(CmdRemoveRoadStop);
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| 
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| DEF_COMMAND(CmdBuildLongRoad);
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| DEF_COMMAND(CmdRemoveLongRoad);
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| DEF_COMMAND(CmdBuildRoad);
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| DEF_COMMAND(CmdRemoveRoad);
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| 
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| DEF_COMMAND(CmdBuildRoadDepot);
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| 
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| DEF_COMMAND(CmdBuildAirport);
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| 
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| DEF_COMMAND(CmdBuildDock);
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| 
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| DEF_COMMAND(CmdBuildShipDepot);
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| 
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| DEF_COMMAND(CmdBuildBuoy);
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| 
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| DEF_COMMAND(CmdPlantTree);
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| 
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| DEF_COMMAND(CmdBuildRailVehicle);
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| DEF_COMMAND(CmdMoveRailVehicle);
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| 
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| DEF_COMMAND(CmdSellRailWagon);
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| 
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| DEF_COMMAND(CmdSendTrainToDepot);
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| DEF_COMMAND(CmdForceTrainProceed);
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| DEF_COMMAND(CmdReverseTrainDirection);
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| 
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| DEF_COMMAND(CmdModifyOrder);
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| DEF_COMMAND(CmdSkipToOrder);
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| DEF_COMMAND(CmdDeleteOrder);
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| DEF_COMMAND(CmdInsertOrder);
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| DEF_COMMAND(CmdChangeServiceInt);
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| DEF_COMMAND(CmdRestoreOrderIndex);
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| 
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| DEF_COMMAND(CmdBuildIndustry);
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| 
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| DEF_COMMAND(CmdBuildCompanyHQ);
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| DEF_COMMAND(CmdSetCompanyManagerFace);
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| DEF_COMMAND(CmdSetCompanyColour);
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| 
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| DEF_COMMAND(CmdIncreaseLoan);
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| DEF_COMMAND(CmdDecreaseLoan);
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| 
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| DEF_COMMAND(CmdWantEnginePreview);
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| 
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| DEF_COMMAND(CmdRenameVehicle);
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| DEF_COMMAND(CmdRenameEngine);
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| 
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| DEF_COMMAND(CmdRenameCompany);
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| DEF_COMMAND(CmdRenamePresident);
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| 
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| DEF_COMMAND(CmdRenameStation);
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| 
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| DEF_COMMAND(CmdSellAircraft);
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| DEF_COMMAND(CmdBuildAircraft);
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| DEF_COMMAND(CmdSendAircraftToHangar);
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| DEF_COMMAND(CmdRefitAircraft);
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| 
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| DEF_COMMAND(CmdPlaceSign);
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| DEF_COMMAND(CmdRenameSign);
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| 
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| DEF_COMMAND(CmdBuildRoadVeh);
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| DEF_COMMAND(CmdSellRoadVeh);
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| DEF_COMMAND(CmdSendRoadVehToDepot);
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| DEF_COMMAND(CmdTurnRoadVeh);
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| DEF_COMMAND(CmdRefitRoadVeh);
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| 
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| DEF_COMMAND(CmdPause);
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| 
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| DEF_COMMAND(CmdBuyShareInCompany);
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| DEF_COMMAND(CmdSellShareInCompany);
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| DEF_COMMAND(CmdBuyCompany);
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| 
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| DEF_COMMAND(CmdBuildTown);
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| 
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| DEF_COMMAND(CmdRenameTown);
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| DEF_COMMAND(CmdDoTownAction);
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| 
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| DEF_COMMAND(CmdChangeSetting);
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| 
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| DEF_COMMAND(CmdSellShip);
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| DEF_COMMAND(CmdBuildShip);
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| DEF_COMMAND(CmdSendShipToDepot);
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| DEF_COMMAND(CmdRefitShip);
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| 
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| DEF_COMMAND(CmdOrderRefit);
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| DEF_COMMAND(CmdCloneOrder);
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| 
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| DEF_COMMAND(CmdClearArea);
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| 
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| DEF_COMMAND(CmdGiveMoney);
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| DEF_COMMAND(CmdMoneyCheat);
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| DEF_COMMAND(CmdBuildCanal);
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| DEF_COMMAND(CmdBuildLock);
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| 
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| DEF_COMMAND(CmdCompanyCtrl);
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| 
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| DEF_COMMAND(CmdLevelLand);
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| 
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| DEF_COMMAND(CmdRefitRailVehicle);
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| 
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| DEF_COMMAND(CmdBuildSignalTrack);
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| DEF_COMMAND(CmdRemoveSignalTrack);
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| 
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| DEF_COMMAND(CmdSetAutoReplace);
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| 
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| DEF_COMMAND(CmdCloneVehicle);
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| DEF_COMMAND(CmdStartStopVehicle);
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| DEF_COMMAND(CmdMassStartStopVehicle);
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| DEF_COMMAND(CmdAutoreplaceVehicle);
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| DEF_COMMAND(CmdDepotSellAllVehicles);
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| DEF_COMMAND(CmdDepotMassAutoReplace);
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| 
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| DEF_COMMAND(CmdCreateGroup);
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| DEF_COMMAND(CmdRenameGroup);
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| DEF_COMMAND(CmdDeleteGroup);
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| DEF_COMMAND(CmdAddVehicleGroup);
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| DEF_COMMAND(CmdAddSharedVehicleGroup);
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| DEF_COMMAND(CmdRemoveAllVehiclesGroup);
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| DEF_COMMAND(CmdSetGroupReplaceProtection);
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| 
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| DEF_COMMAND(CmdMoveOrder);
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| DEF_COMMAND(CmdChangeTimetable);
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| DEF_COMMAND(CmdSetVehicleOnTime);
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| DEF_COMMAND(CmdAutofillTimetable);
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| #undef DEF_COMMAND
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| 
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| /**
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|  * The master command table
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|  *
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|  * This table contains all possible CommandProc functions with
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|  * the flags which belongs to it. The indizes are the same
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|  * as the value from the CMD_* enums.
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|  */
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| static const Command _command_proc_table[] = {
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| 	{CmdBuildRailroadTrack,   CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_RAILROAD_TRACK */
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| 	{CmdRemoveRailroadTrack,                 CMD_AUTO}, /* CMD_REMOVE_RAILROAD_TRACK */
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| 	{CmdBuildSingleRail,      CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_SINGLE_RAIL */
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| 	{CmdRemoveSingleRail,                    CMD_AUTO}, /* CMD_REMOVE_SINGLE_RAIL */
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| 	{CmdLandscapeClear,                             0}, /* CMD_LANDSCAPE_CLEAR */
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| 	{CmdBuildBridge,                         CMD_AUTO}, /* CMD_BUILD_BRIDGE */
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| 	{CmdBuildRailroadStation, CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_RAILROAD_STATION */
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| 	{CmdBuildTrainDepot,      CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_TRAIN_DEPOT */
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| 	{CmdBuildSingleSignal,                   CMD_AUTO}, /* CMD_BUILD_SIGNALS */
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| 	{CmdRemoveSingleSignal,                  CMD_AUTO}, /* CMD_REMOVE_SIGNALS */
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| 	{CmdTerraformLand,       CMD_ALL_TILES | CMD_AUTO}, /* CMD_TERRAFORM_LAND */
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| 	{CmdPurchaseLandArea,     CMD_NO_WATER | CMD_AUTO}, /* CMD_PURCHASE_LAND_AREA */
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| 	{CmdSellLandArea,                               0}, /* CMD_SELL_LAND_AREA */
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| 	{CmdBuildTunnel,                         CMD_AUTO}, /* CMD_BUILD_TUNNEL */
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| 	{CmdRemoveFromRailroadStation,                  0}, /* CMD_REMOVE_FROM_RAILROAD_STATION */
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| 	{CmdConvertRail,                                0}, /* CMD_CONVERT_RAILD */
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| 	{CmdBuildTrainWaypoint,                         0}, /* CMD_BUILD_TRAIN_WAYPOINT */
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| 	{CmdRenameWaypoint,                             0}, /* CMD_RENAME_WAYPOINT */
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| 	{CmdRemoveTrainWaypoint,                        0}, /* CMD_REMOVE_TRAIN_WAYPOINT */
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| 
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| 	{CmdBuildRoadStop,        CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_ROAD_STOP */
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| 	{CmdRemoveRoadStop,                             0}, /* CMD_REMOVE_ROAD_STOP */
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| 	{CmdBuildLongRoad,        CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_LONG_ROAD */
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| 	{CmdRemoveLongRoad,        CMD_NO_TEST | CMD_AUTO}, /* CMD_REMOVE_LONG_ROAD; towns may disallow removing road bits (as they are connected) in test, but in exec they're removed and thus removing is allowed. */
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| 	{CmdBuildRoad,                                  0}, /* CMD_BUILD_ROAD */
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| 	{CmdRemoveRoad,                                 0}, /* CMD_REMOVE_ROAD */
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| 	{CmdBuildRoadDepot,       CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_ROAD_DEPOT */
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| 
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| 	{CmdBuildAirport,         CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_AIRPORT */
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| 	{CmdBuildDock,                           CMD_AUTO}, /* CMD_BUILD_DOCK */
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| 	{CmdBuildShipDepot,                      CMD_AUTO}, /* CMD_BUILD_SHIP_DEPOT */
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| 	{CmdBuildBuoy,                           CMD_AUTO}, /* CMD_BUILD_BUOY */
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| 	{CmdPlantTree,                           CMD_AUTO}, /* CMD_PLANT_TREE */
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| 	{CmdBuildRailVehicle,                           0}, /* CMD_BUILD_RAIL_VEHICLE */
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| 	{CmdMoveRailVehicle,                            0}, /* CMD_MOVE_RAIL_VEHICLE */
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| 
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| 	{CmdSellRailWagon,                              0}, /* CMD_SELL_RAIL_WAGON */
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| 	{CmdSendTrainToDepot,                           0}, /* CMD_SEND_TRAIN_TO_DEPOT */
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| 	{CmdForceTrainProceed,                          0}, /* CMD_FORCE_TRAIN_PROCEED */
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| 	{CmdReverseTrainDirection,                      0}, /* CMD_REVERSE_TRAIN_DIRECTION */
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| 
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| 	{CmdModifyOrder,                                0}, /* CMD_MODIFY_ORDER */
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| 	{CmdSkipToOrder,                                0}, /* CMD_SKIP_TO_ORDER */
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| 	{CmdDeleteOrder,                                0}, /* CMD_DELETE_ORDER */
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| 	{CmdInsertOrder,                                0}, /* CMD_INSERT_ORDER */
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| 
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| 	{CmdChangeServiceInt,                           0}, /* CMD_CHANGE_SERVICE_INT */
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| 
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| 	{CmdBuildIndustry,                              0}, /* CMD_BUILD_INDUSTRY */
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| 	{CmdBuildCompanyHQ,       CMD_NO_WATER | CMD_AUTO}, /* CMD_BUILD_COMPANY_HQ */
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| 	{CmdSetCompanyManagerFace,                      0}, /* CMD_SET_COMPANY_MANAGER_FACE */
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| 	{CmdSetCompanyColour,                           0}, /* CMD_SET_COMPANY_COLOUR */
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| 
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| 	{CmdIncreaseLoan,                               0}, /* CMD_INCREASE_LOAN */
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| 	{CmdDecreaseLoan,                               0}, /* CMD_DECREASE_LOAN */
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| 
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| 	{CmdWantEnginePreview,                          0}, /* CMD_WANT_ENGINE_PREVIEW */
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| 
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| 	{CmdRenameVehicle,                              0}, /* CMD_RENAME_VEHICLE */
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| 	{CmdRenameEngine,                               0}, /* CMD_RENAME_ENGINE */
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| 
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| 	{CmdRenameCompany,                              0}, /* CMD_RENAME_COMPANY */
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| 	{CmdRenamePresident,                            0}, /* CMD_RENAME_PRESIDENT */
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| 
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| 	{CmdRenameStation,                              0}, /* CMD_RENAME_STATION */
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| 
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| 	{CmdSellAircraft,                               0}, /* CMD_SELL_AIRCRAFT */
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| 
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| 	{CmdBuildAircraft,                              0}, /* CMD_BUILD_AIRCRAFT */
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| 	{CmdSendAircraftToHangar,                       0}, /* CMD_SEND_AIRCRAFT_TO_HANGAR */
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| 	{CmdRefitAircraft,                              0}, /* CMD_REFIT_AIRCRAFT */
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| 
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| 	{CmdPlaceSign,                                  0}, /* CMD_PLACE_SIGN */
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| 	{CmdRenameSign,                                 0}, /* CMD_RENAME_SIGN */
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| 
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| 	{CmdBuildRoadVeh,                               0}, /* CMD_BUILD_ROAD_VEH */
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| 	{CmdSellRoadVeh,                                0}, /* CMD_SELL_ROAD_VEH */
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| 	{CmdSendRoadVehToDepot,                         0}, /* CMD_SEND_ROADVEH_TO_DEPOT */
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| 	{CmdTurnRoadVeh,                                0}, /* CMD_TURN_ROADVEH */
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| 	{CmdRefitRoadVeh,                               0}, /* CMD_REFIT_ROAD_VEH */
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| 
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| 	{CmdPause,                             CMD_SERVER}, /* CMD_PAUSE */
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| 
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| 	{CmdBuyShareInCompany,                          0}, /* CMD_BUY_SHARE_IN_COMPANY */
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| 	{CmdSellShareInCompany,                         0}, /* CMD_SELL_SHARE_IN_COMPANY */
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| 	{CmdBuyCompany,                                 0}, /* CMD_BUY_COMANY */
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| 
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| 	{CmdBuildTown,                        CMD_OFFLINE}, /* CMD_BUILD_TOWN */
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| 	{CmdRenameTown,                        CMD_SERVER}, /* CMD_RENAME_TOWN */
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| 	{CmdDoTownAction,                               0}, /* CMD_DO_TOWN_ACTION */
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| 
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| 	{CmdSellShip,                                   0}, /* CMD_SELL_SHIP */
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| 	{CmdBuildShip,                                  0}, /* CMD_BUILD_SHIP */
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| 	{CmdSendShipToDepot,                            0}, /* CMD_SEND_SHIP_TO_DEPOT */
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| 	{CmdRefitShip,                                  0}, /* CMD_REFIT_SHIP */
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| 
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| 	{CmdOrderRefit,                                 0}, /* CMD_ORDER_REFIT */
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| 	{CmdCloneOrder,                                 0}, /* CMD_CLONE_ORDER */
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| 
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| 	{CmdClearArea,                        CMD_NO_TEST}, /* CMD_CLEAR_AREA; destroying multi-tile houses makes town rating differ between test and execution */
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| 
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| 	{CmdMoneyCheat,                       CMD_OFFLINE}, /* CMD_MONEY_CHEAT */
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| 	{CmdBuildCanal,                          CMD_AUTO}, /* CMD_BUILD_CANAL */
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| 	{CmdCompanyCtrl,                    CMD_SPECTATOR}, /* CMD_COMPANY_CTRL */
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| 
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| 	{CmdLevelLand, CMD_ALL_TILES | CMD_NO_TEST | CMD_AUTO}, /* CMD_LEVEL_LAND; test run might clear tiles multiple times, in execution that only happens once */
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| 
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| 	{CmdRefitRailVehicle,                           0}, /* CMD_REFIT_RAIL_VEHICLE */
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| 	{CmdRestoreOrderIndex,                          0}, /* CMD_RESTORE_ORDER_INDEX */
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| 	{CmdBuildLock,                           CMD_AUTO}, /* CMD_BUILD_LOCK */
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| 
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| 	{CmdBuildSignalTrack,                    CMD_AUTO}, /* CMD_BUILD_SIGNAL_TRACK */
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| 	{CmdRemoveSignalTrack,                   CMD_AUTO}, /* CMD_REMOVE_SIGNAL_TRACK */
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| 
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| 	{CmdGiveMoney,                                  0}, /* CMD_GIVE_MONEY */
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| 	{CmdChangeSetting,                     CMD_SERVER}, /* CMD_CHANGE_SETTING */
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| 	{CmdSetAutoReplace,                             0}, /* CMD_SET_AUTOREPLACE */
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| 	{CmdCloneVehicle,                     CMD_NO_TEST}, /* CMD_CLONE_VEHICLE; NewGRF callbacks influence building and refitting making it impossible to correctly estimate the cost */
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| 	{CmdStartStopVehicle,                           0}, /* CMD_START_STOP_VEHICLE */
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| 	{CmdMassStartStopVehicle,                       0}, /* CMD_MASS_START_STOP */
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| 	{CmdAutoreplaceVehicle,                         0}, /* CMD_AUTOREPLACE_VEHICLE */
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| 	{CmdDepotSellAllVehicles,                       0}, /* CMD_DEPOT_SELL_ALL_VEHICLES */
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| 	{CmdDepotMassAutoReplace,                       0}, /* CMD_DEPOT_MASS_AUTOREPLACE */
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| 	{CmdCreateGroup,                                0}, /* CMD_CREATE_GROUP */
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| 	{CmdDeleteGroup,                                0}, /* CMD_DELETE_GROUP */
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| 	{CmdRenameGroup,                                0}, /* CMD_RENAME_GROUP */
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| 	{CmdAddVehicleGroup,                            0}, /* CMD_ADD_VEHICLE_GROUP */
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| 	{CmdAddSharedVehicleGroup,                      0}, /* CMD_ADD_SHARE_VEHICLE_GROUP */
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| 	{CmdRemoveAllVehiclesGroup,                     0}, /* CMD_REMOVE_ALL_VEHICLES_GROUP */
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| 	{CmdSetGroupReplaceProtection,                  0}, /* CMD_SET_GROUP_REPLACE_PROTECTION */
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| 	{CmdMoveOrder,                                  0}, /* CMD_MOVE_ORDER */
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| 	{CmdChangeTimetable,                            0}, /* CMD_CHANGE_TIMETABLE */
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| 	{CmdSetVehicleOnTime,                           0}, /* CMD_SET_VEHICLE_ON_TIME */
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| 	{CmdAutofillTimetable,                          0}, /* CMD_AUTOFILL_TIMETABLE */
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| };
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| 
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| /*!
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|  * This function range-checks a cmd, and checks if the cmd is not NULL
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|  *
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|  * @param cmd The integervalue of a command
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|  * @return true if the command is valid (and got a CommandProc function)
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|  */
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| bool IsValidCommand(uint32 cmd)
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| {
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| 	cmd &= CMD_ID_MASK;
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| 
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| 	return
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| 		cmd < lengthof(_command_proc_table) &&
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| 		_command_proc_table[cmd].proc != NULL;
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| }
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| 
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| /*!
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|  * This function mask the parameter with CMD_ID_MASK and returns
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|  * the flags which belongs to the given command.
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|  *
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|  * @param cmd The integer value of the command
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|  * @return The flags for this command
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|  */
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| byte GetCommandFlags(uint32 cmd)
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| {
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| 	assert(IsValidCommand(cmd));
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| 
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| 	return _command_proc_table[cmd & CMD_ID_MASK].flags;
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| }
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| 
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| static int _docommand_recursive = 0;
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| 
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| /**
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|  * Shorthand for calling the long DoCommand with a container.
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|  *
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|  * @param container Container with (almost) all information
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|  * @param flags Flags for the command and how to execute the command
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|  * @see CommandProc
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|  * @return the cost
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|  */
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| CommandCost DoCommand(const CommandContainer *container, DoCommandFlag flags)
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| {
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| 	return DoCommand(container->tile, container->p1, container->p2, flags, container->cmd & CMD_ID_MASK, container->text);
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| }
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| 
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| /*!
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|  * This function executes a given command with the parameters from the #CommandProc parameter list.
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|  * Depending on the flags parameter it execute or test a command.
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|  *
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|  * @param tile The tile to apply the command on (for the #CommandProc)
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|  * @param p1 Additional data for the command (for the #CommandProc)
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|  * @param p2 Additional data for the command (for the #CommandProc)
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|  * @param flags Flags for the command and how to execute the command
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|  * @param cmd The command-id to execute (a value of the CMD_* enums)
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|  * @see CommandProc
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|  * @return the cost
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|  */
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| CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, DoCommandFlag flags, uint32 cmd, const char *text)
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| {
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| 	CommandCost res;
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| 
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| 	/* Do not even think about executing out-of-bounds tile-commands */
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| 	if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (flags & DC_ALL_TILES) == 0))) return CMD_ERROR;
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| 
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| 	CommandProc *proc = _command_proc_table[cmd].proc;
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| 
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| 	if (_docommand_recursive == 0) _error_message = INVALID_STRING_ID;
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| 
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| 	_docommand_recursive++;
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| 
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| 	/* only execute the test call if it's toplevel, or we're not execing. */
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| 	if (_docommand_recursive == 1 || !(flags & DC_EXEC) ) {
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| 		SetTownRatingTestMode(true);
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| 		res = proc(tile, flags & ~DC_EXEC, p1, p2, text);
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| 		SetTownRatingTestMode(false);
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| 		if (CmdFailed(res)) {
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| 			res.SetGlobalErrorMessage();
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| 			goto error;
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| 		}
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| 
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| 		if (_docommand_recursive == 1 &&
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| 				!(flags & DC_QUERY_COST) &&
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| 				!(flags & DC_BANKRUPT) &&
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| 				res.GetCost() != 0 &&
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| 				!CheckCompanyHasMoney(res)) {
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| 			goto error;
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| 		}
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| 
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| 		if (!(flags & DC_EXEC)) {
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| 			_docommand_recursive--;
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| 			return res;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* Execute the command here. All cost-relevant functions set the expenses type
 | |
| 	 * themselves to the cost object at some point */
 | |
| 	res = proc(tile, flags, p1, p2, text);
 | |
| 	if (CmdFailed(res)) {
 | |
| 		res.SetGlobalErrorMessage();
 | |
| error:
 | |
| 		_docommand_recursive--;
 | |
| 		return CMD_ERROR;
 | |
| 	}
 | |
| 
 | |
| 	/* if toplevel, subtract the money. */
 | |
| 	if (--_docommand_recursive == 0 && !(flags & DC_BANKRUPT)) {
 | |
| 		SubtractMoneyFromCompany(res);
 | |
| 	}
 | |
| 
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| /*!
 | |
|  * This functions returns the money which can be used to execute a command.
 | |
|  * This is either the money of the current company or INT64_MAX if there
 | |
|  * is no such a company "at the moment" like the server itself.
 | |
|  *
 | |
|  * @return The available money of a company or INT64_MAX
 | |
|  */
 | |
| Money GetAvailableMoneyForCommand()
 | |
| {
 | |
| 	CompanyID company = _current_company;
 | |
| 	if (!IsValidCompanyID(company)) return INT64_MAX;
 | |
| 	return GetCompany(company)->money;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Shortcut for the long DoCommandP when having a container with the data.
 | |
|  * @param container the container with information.
 | |
|  * @param my_cmd indicator if the command is from a company or server (to display error messages for a user)
 | |
|  * @return true if the command succeeded, else false
 | |
|  */
 | |
| bool DoCommandP(const CommandContainer *container, bool my_cmd)
 | |
| {
 | |
| 	return DoCommandP(container->tile, container->p1, container->p2, container->cmd, container->callback, container->text, my_cmd);
 | |
| }
 | |
| 
 | |
| /*!
 | |
|  * Toplevel network safe docommand function for the current company. Must not be called recursively.
 | |
|  * The callback is called when the command succeeded or failed. The parameters
 | |
|  * tile, p1 and p2 are from the #CommandProc function. The paramater cmd is the command to execute.
 | |
|  * The parameter my_cmd is used to indicate if the command is from a company or the server.
 | |
|  *
 | |
|  * @param tile The tile to perform a command on (see #CommandProc)
 | |
|  * @param p1 Additional data for the command (see #CommandProc)
 | |
|  * @param p2 Additional data for the command (see #CommandProc)
 | |
|  * @param cmd The command to execute (a CMD_* value)
 | |
|  * @param callback A callback function to call after the command is finished
 | |
|  * @param text The text to pass
 | |
|  * @param my_cmd indicator if the command is from a company or server (to display error messages for a user)
 | |
|  * @return true if the command succeeded, else false
 | |
|  */
 | |
| bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text, bool my_cmd)
 | |
| {
 | |
| 	assert(_docommand_recursive == 0);
 | |
| 
 | |
| 	CommandCost res, res2;
 | |
| 
 | |
| 	int x = TileX(tile) * TILE_SIZE;
 | |
| 	int y = TileY(tile) * TILE_SIZE;
 | |
| 
 | |
| 	_error_message = INVALID_STRING_ID;
 | |
| 	StringID error_part1 = GB(cmd, 16, 16);
 | |
| 	_additional_cash_required = 0;
 | |
| 
 | |
| 	CompanyID old_company = _current_company;
 | |
| 
 | |
| 	/** Spectator has no rights except for the (dedicated) server which
 | |
| 	 * is/can be a spectator but as the server it can do anything */
 | |
| 	if (_current_company == COMPANY_SPECTATOR && !_network_server) {
 | |
| 		if (my_cmd) ShowErrorMessage(_error_message, error_part1, x, y);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	/* get pointer to command handler */
 | |
| 	byte cmd_id = cmd & CMD_ID_MASK;
 | |
| 	assert(cmd_id < lengthof(_command_proc_table));
 | |
| 
 | |
| 	CommandProc *proc = _command_proc_table[cmd_id].proc;
 | |
| 	if (proc == NULL) return false;
 | |
| 
 | |
| 	/* Command flags are used internally */
 | |
| 	uint cmd_flags = GetCommandFlags(cmd);
 | |
| 	/* Flags get send to the DoCommand */
 | |
| 	DoCommandFlag flags = CommandFlagsToDCFlags(cmd_flags);
 | |
| 
 | |
| 	/* Do not even think about executing out-of-bounds tile-commands */
 | |
| 	if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (cmd_flags & CMD_ALL_TILES) == 0))) return false;
 | |
| 
 | |
| 	/* If the server is a spectator, it may only do server commands! */
 | |
| 	if (_current_company == COMPANY_SPECTATOR && (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) == 0) return false;
 | |
| 
 | |
| 	bool notest = (cmd_flags & CMD_NO_TEST) != 0;
 | |
| 
 | |
| 	_docommand_recursive = 1;
 | |
| 
 | |
| 	/* cost estimation only? */
 | |
| 	if (!IsGeneratingWorld() &&
 | |
| 			_shift_pressed &&
 | |
| 			IsLocalCompany() &&
 | |
| 			!(cmd & CMD_NETWORK_COMMAND) &&
 | |
| 			cmd_id != CMD_PAUSE) {
 | |
| 		/* estimate the cost. */
 | |
| 		SetTownRatingTestMode(true);
 | |
| 		res = proc(tile, flags, p1, p2, text);
 | |
| 		SetTownRatingTestMode(false);
 | |
| 		if (CmdFailed(res)) {
 | |
| 			res.SetGlobalErrorMessage();
 | |
| 			ShowErrorMessage(_error_message, error_part1, x, y);
 | |
| 		} else {
 | |
| 			ShowEstimatedCostOrIncome(res.GetCost(), x, y);
 | |
| 		}
 | |
| 
 | |
| 		_docommand_recursive = 0;
 | |
| 		ClearStorageChanges(false);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	if (!((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
 | |
| 		/* first test if the command can be executed. */
 | |
| 		SetTownRatingTestMode(true);
 | |
| 		res = proc(tile, flags, p1, p2, text);
 | |
| 		SetTownRatingTestMode(false);
 | |
| 		assert(cmd_id == CMD_COMPANY_CTRL || old_company == _current_company);
 | |
| 		if (CmdFailed(res)) {
 | |
| 			res.SetGlobalErrorMessage();
 | |
| 			goto show_error;
 | |
| 		}
 | |
| 		/* no money? Only check if notest is off */
 | |
| 		if (!notest && res.GetCost() != 0 && !CheckCompanyHasMoney(res)) goto show_error;
 | |
| 	}
 | |
| 
 | |
| #ifdef ENABLE_NETWORK
 | |
| 	/** If we are in network, and the command is not from the network
 | |
| 	 * send it to the command-queue and abort execution
 | |
| 	 * If we are a dedicated server temporarily switch local company, otherwise
 | |
| 	 * the other parties won't be able to execute our command and will desync.
 | |
| 	 * We also need to do this if the server's company has gone bankrupt
 | |
| 	 * @todo Rewrite (dedicated) server to something more than a dirty hack!
 | |
| 	 */
 | |
| 	if (_networking && !(cmd & CMD_NETWORK_COMMAND)) {
 | |
| 		CompanyID bck = _local_company;
 | |
| 		if (_network_dedicated || (_network_server && bck == COMPANY_SPECTATOR)) _local_company = COMPANY_FIRST;
 | |
| 		NetworkSend_Command(tile, p1, p2, cmd & ~CMD_FLAGS_MASK, callback, text);
 | |
| 		if (_network_dedicated || (_network_server && bck == COMPANY_SPECTATOR)) _local_company = bck;
 | |
| 		_docommand_recursive = 0;
 | |
| 		ClearStorageChanges(false);
 | |
| 		return true;
 | |
| 	}
 | |
| #endif /* ENABLE_NETWORK */
 | |
| 	DEBUG(desync, 1, "cmd: %08x; %08x; %1x; %06x; %08x; %08x; %04x; %s\n", _date, _date_fract, (int)_current_company, tile, p1, p2, cmd & ~CMD_NETWORK_COMMAND, text);
 | |
| 
 | |
| 	/* update last build coordinate of company. */
 | |
| 	if (tile != 0 && IsValidCompanyID(_current_company)) {
 | |
| 		GetCompany(_current_company)->last_build_coordinate = tile;
 | |
| 	}
 | |
| 
 | |
| 	/* Actually try and execute the command. If no cost-type is given
 | |
| 	 * use the construction one */
 | |
| 	res2 = proc(tile, flags | DC_EXEC, p1, p2, text);
 | |
| 
 | |
| 	assert(cmd_id == CMD_COMPANY_CTRL || old_company == _current_company);
 | |
| 
 | |
| 	/* If notest is on, it means the result of the test can be different than
 | |
| 	 *  the real command.. so ignore the test */
 | |
| 	if (!notest && !((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
 | |
| 		assert(res.GetCost() == res2.GetCost() && CmdFailed(res) == CmdFailed(res2)); // sanity check
 | |
| 	} else {
 | |
| 		if (CmdFailed(res2)) {
 | |
| 			res.SetGlobalErrorMessage();
 | |
| 			goto show_error;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	SubtractMoneyFromCompany(res2);
 | |
| 
 | |
| 	/* update signals if needed */
 | |
| 	UpdateSignalsInBuffer();
 | |
| 
 | |
| 	if (IsLocalCompany() && _game_mode != GM_EDITOR) {
 | |
| 		if (res2.GetCost() != 0 && tile != 0) ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2.GetCost());
 | |
| 		if (_additional_cash_required != 0) {
 | |
| 			SetDParam(0, _additional_cash_required);
 | |
| 			if (my_cmd) ShowErrorMessage(STR_0003_NOT_ENOUGH_CASH_REQUIRES, error_part1, x, y);
 | |
| 			if (res2.GetCost() == 0) goto callb_err;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	_docommand_recursive = 0;
 | |
| 
 | |
| 	if (callback) callback(true, tile, p1, p2);
 | |
| 	ClearStorageChanges(true);
 | |
| 	return true;
 | |
| 
 | |
| show_error:
 | |
| 	/* show error message if the command fails? */
 | |
| 	if (IsLocalCompany() && error_part1 != 0 && my_cmd) {
 | |
| 		ShowErrorMessage(_error_message, error_part1, x, y);
 | |
| 	}
 | |
| 
 | |
| callb_err:
 | |
| 	_docommand_recursive = 0;
 | |
| 
 | |
| 	if (callback) callback(false, tile, p1, p2);
 | |
| 	ClearStorageChanges(false);
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| 
 | |
| CommandCost CommandCost::AddCost(CommandCost ret)
 | |
| {
 | |
| 	this->AddCost(ret.cost);
 | |
| 	if (this->success && !ret.success) {
 | |
| 		this->message = ret.message;
 | |
| 		this->success = false;
 | |
| 	}
 | |
| 	return *this;
 | |
| }
 | 
