Mercurial > hg > openttd
diff src/command.cpp @ 7559:ad850ff2c61a draft
(svn r11084) -Documentation [FS#1219]: of command.*. Patch by Progman.
| author | rubidium <rubidium@openttd.org> |
|---|---|
| date | Mon, 10 Sep 2007 15:21:14 +0000 (2007-09-10) |
| parents | f5b39ff47e0e |
| children | 9e4c3b886ccb |
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--- a/src/command.cpp +++ b/src/command.cpp @@ -16,8 +16,17 @@ #include "variables.h" #include "genworld.h" -const char* _cmd_text = NULL; +const char *_cmd_text = NULL; +/** + * Helper macro to define the header of all command handler macros. + * + * This macro create the function header for a given command handler function, as + * all command handler functions got the parameters from the #CommandProc callback + * type. + * + * @param yyyy The desired function name of the new command handler function. + */ #define DEF_COMMAND(yyyy) CommandCost yyyy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DEF_COMMAND(CmdBuildRailroadTrack); @@ -181,166 +190,178 @@ DEF_COMMAND(CmdChangeTimetable); DEF_COMMAND(CmdSetVehicleOnTime); DEF_COMMAND(CmdAutofillTimetable); +#undef DEF_COMMAND -/* The master command table */ +/** + * The master command table + * + * This table contains all possible CommandProc functions with + * the flags which belongs to it. The indizes are the same + * as the value from the CMD_* enums. + */ static const Command _command_proc_table[] = { - {CmdBuildRailroadTrack, CMD_AUTO}, /* 0 */ - {CmdRemoveRailroadTrack, CMD_AUTO}, /* 1 */ - {CmdBuildSingleRail, CMD_AUTO}, /* 2 */ - {CmdRemoveSingleRail, CMD_AUTO}, /* 3 */ - {CmdLandscapeClear, 0}, /* 4 */ - {CmdBuildBridge, CMD_AUTO}, /* 5 */ - {CmdBuildRailroadStation, CMD_AUTO}, /* 6 */ - {CmdBuildTrainDepot, CMD_AUTO}, /* 7 */ - {CmdBuildSingleSignal, CMD_AUTO}, /* 8 */ - {CmdRemoveSingleSignal, CMD_AUTO}, /* 9 */ - {CmdTerraformLand, CMD_AUTO}, /* 10 */ - {CmdPurchaseLandArea, CMD_AUTO}, /* 11 */ - {CmdSellLandArea, 0}, /* 12 */ - {CmdBuildTunnel, CMD_AUTO}, /* 13 */ - {CmdRemoveFromRailroadStation, 0}, /* 14 */ - {CmdConvertRail, 0}, /* 15 */ - {CmdBuildTrainWaypoint, 0}, /* 16 */ - {CmdRenameWaypoint, 0}, /* 17 */ - {CmdRemoveTrainWaypoint, 0}, /* 18 */ - {NULL, 0}, /* 19 */ - {NULL, 0}, /* 20 */ - {CmdBuildRoadStop, CMD_AUTO}, /* 21 */ - {CmdRemoveRoadStop, 0}, /* 22 */ - {CmdBuildLongRoad, CMD_AUTO}, /* 23 */ - {CmdRemoveLongRoad, CMD_AUTO}, /* 24 */ - {CmdBuildRoad, 0}, /* 25 */ - {CmdRemoveRoad, 0}, /* 26 */ - {CmdBuildRoadDepot, CMD_AUTO}, /* 27 */ - {NULL, 0}, /* 28 */ - {CmdBuildAirport, CMD_AUTO}, /* 29 */ - {CmdBuildDock, CMD_AUTO}, /* 30 */ - {CmdBuildShipDepot, CMD_AUTO}, /* 31 */ - {CmdBuildBuoy, CMD_AUTO}, /* 32 */ - {CmdPlantTree, CMD_AUTO}, /* 33 */ - {CmdBuildRailVehicle, 0}, /* 34 */ - {CmdMoveRailVehicle, 0}, /* 35 */ - {CmdStartStopTrain, 0}, /* 36 */ - {NULL, 0}, /* 37 */ - {CmdSellRailWagon, 0}, /* 38 */ - {CmdSendTrainToDepot, 0}, /* 39 */ - {CmdForceTrainProceed, 0}, /* 40 */ - {CmdReverseTrainDirection, 0}, /* 41 */ + {CmdBuildRailroadTrack, CMD_AUTO}, /* 0, CMD_BUILD_RAILROAD_TRACK */ + {CmdRemoveRailroadTrack, CMD_AUTO}, /* 1, CMD_REMOVE_RAILROAD_TRACK */ + {CmdBuildSingleRail, CMD_AUTO}, /* 2, CMD_BUILD_SINGLE_RAIL */ + {CmdRemoveSingleRail, CMD_AUTO}, /* 3, CMD_REMOVE_SINGLE_RAIL */ + {CmdLandscapeClear, 0}, /* 4, CMD_LANDSCAPE_CLEAR */ + {CmdBuildBridge, CMD_AUTO}, /* 5, CMD_BUILD_BRIDGE */ + {CmdBuildRailroadStation, CMD_AUTO}, /* 6, CMD_BUILD_RAILROAD_STATION */ + {CmdBuildTrainDepot, CMD_AUTO}, /* 7, CMD_BUILD_TRAIN_DEPOT */ + {CmdBuildSingleSignal, CMD_AUTO}, /* 8, CMD_BUILD_SIGNALS */ + {CmdRemoveSingleSignal, CMD_AUTO}, /* 9, CMD_REMOVE_SIGNALS */ + {CmdTerraformLand, CMD_AUTO}, /* 10, CMD_TERRAFORM_LAND */ + {CmdPurchaseLandArea, CMD_AUTO}, /* 11, CMD_PURCHASE_LAND_AREA */ + {CmdSellLandArea, 0}, /* 12, CMD_SELL_LAND_AREA */ + {CmdBuildTunnel, CMD_AUTO}, /* 13, CMD_BUILD_TUNNEL */ + {CmdRemoveFromRailroadStation, 0}, /* 14, CMD_REMOVE_FROM_RAILROAD_STATION */ + {CmdConvertRail, 0}, /* 15, CMD_CONVERT_RAILD */ + {CmdBuildTrainWaypoint, 0}, /* 16, CMD_BUILD_TRAIN_WAYPOINT */ + {CmdRenameWaypoint, 0}, /* 17, CMD_RENAME_WAYPOINT */ + {CmdRemoveTrainWaypoint, 0}, /* 18, CMD_REMOVE_TRAIN_WAYPOINT */ + {NULL, 0}, /* 19, unused */ + {NULL, 0}, /* 20, unused */ + {CmdBuildRoadStop, CMD_AUTO}, /* 21, CMD_BUILD_ROAD_STOP */ + {CmdRemoveRoadStop, 0}, /* 22, CMD_REMOVE_ROAD_STOP */ + {CmdBuildLongRoad, CMD_AUTO}, /* 23, CMD_BUILD_LONG_ROAD */ + {CmdRemoveLongRoad, CMD_AUTO}, /* 24, CMD_REMOVE_LONG_ROAD */ + {CmdBuildRoad, 0}, /* 25, CMD_BUILD_ROAD */ + {CmdRemoveRoad, 0}, /* 26, CMD_REMOVE_ROAD */ + {CmdBuildRoadDepot, CMD_AUTO}, /* 27, CMD_BUILD_ROAD_DEPOT */ + {NULL, 0}, /* 28, unused */ + {CmdBuildAirport, CMD_AUTO}, /* 29, CMD_BUILD_AIRPORT */ + {CmdBuildDock, CMD_AUTO}, /* 30, CMD_BUILD_DOCK */ + {CmdBuildShipDepot, CMD_AUTO}, /* 31, CMD_BUILD_SHIP_DEPOT */ + {CmdBuildBuoy, CMD_AUTO}, /* 32, CMD_BUILD_BUOY */ + {CmdPlantTree, CMD_AUTO}, /* 33, CMD_PLANT_TREE */ + {CmdBuildRailVehicle, 0}, /* 34, CMD_BUILD_RAIL_VEHICLE */ + {CmdMoveRailVehicle, 0}, /* 35, CMD_MOVE_RAIL_VEHICLE */ + {CmdStartStopTrain, 0}, /* 36, CMD_START_STOP_TRAIN */ + {NULL, 0}, /* 37, unused */ + {CmdSellRailWagon, 0}, /* 38, CMD_SELL_RAIL_WAGON */ + {CmdSendTrainToDepot, 0}, /* 39, CMD_SEND_TRAIN_TO_DEPOT */ + {CmdForceTrainProceed, 0}, /* 40, CMD_FORCE_TRAIN_PROCEED */ + {CmdReverseTrainDirection, 0}, /* 41, CMD_REVERSE_TRAIN_DIRECTION */ - {CmdModifyOrder, 0}, /* 42 */ - {CmdSkipToOrder, 0}, /* 43 */ - {CmdDeleteOrder, 0}, /* 44 */ - {CmdInsertOrder, 0}, /* 45 */ - - {CmdChangeServiceInt, 0}, /* 46 */ + {CmdModifyOrder, 0}, /* 42, CMD_MODIFY_ORDER */ + {CmdSkipToOrder, 0}, /* 43, CMD_SKIP_TO_ORDER */ + {CmdDeleteOrder, 0}, /* 44, CMD_DELETE_ORDER */ + {CmdInsertOrder, 0}, /* 45, CMD_INSERT_ORDER */ - {CmdBuildIndustry, 0}, /* 47 */ - {CmdBuildCompanyHQ, CMD_AUTO}, /* 48 */ - {CmdSetPlayerFace, 0}, /* 49 */ - {CmdSetPlayerColor, 0}, /* 50 */ + {CmdChangeServiceInt, 0}, /* 46, CMD_CHANGE_SERVICE_INT */ - {CmdIncreaseLoan, 0}, /* 51 */ - {CmdDecreaseLoan, 0}, /* 52 */ + {CmdBuildIndustry, 0}, /* 47, CMD_BUILD_INDUSTRY */ + {CmdBuildCompanyHQ, CMD_AUTO}, /* 48, CMD_BUILD_COMPANY_HQ */ + {CmdSetPlayerFace, 0}, /* 49, CMD_SET_PLAYER_FACE */ + {CmdSetPlayerColor, 0}, /* 50, CMD_SET_PLAYER_COLOR */ - {CmdWantEnginePreview, 0}, /* 53 */ + {CmdIncreaseLoan, 0}, /* 51, CMD_INCREASE_LOAN */ + {CmdDecreaseLoan, 0}, /* 52, CMD_DECREASE_LOAN */ - {CmdNameVehicle, 0}, /* 54 */ - {CmdRenameEngine, 0}, /* 55 */ + {CmdWantEnginePreview, 0}, /* 53, CMD_WANT_ENGINE_PREVIEW */ - {CmdChangeCompanyName, 0}, /* 56 */ - {CmdChangePresidentName, 0}, /* 57 */ + {CmdNameVehicle, 0}, /* 54, CMD_NAME_VEHICLE */ + {CmdRenameEngine, 0}, /* 55, CMD_RENAME_ENGINE */ - {CmdRenameStation, 0}, /* 58 */ - - {CmdSellAircraft, 0}, /* 59 */ - {CmdStartStopAircraft, 0}, /* 60 */ + {CmdChangeCompanyName, 0}, /* 56, CMD_CHANGE_COMPANY_NAME */ + {CmdChangePresidentName, 0}, /* 57, CMD_CHANGE_PRESIDENT_NAME */ - {CmdBuildAircraft, 0}, /* 61 */ - {CmdSendAircraftToHangar, 0}, /* 62 */ - {NULL, 0}, /* 63 */ - {CmdRefitAircraft, 0}, /* 64 */ + {CmdRenameStation, 0}, /* 58, CMD_RENAME_STATION */ + + {CmdSellAircraft, 0}, /* 59, CMD_SELL_AIRCRAFT */ + {CmdStartStopAircraft, 0}, /* 60, CMD_START_STOP_AIRCRAFT */ - {CmdPlaceSign, 0}, /* 65 */ - {CmdRenameSign, 0}, /* 66 */ + {CmdBuildAircraft, 0}, /* 61, CMD_BUILD_AIRCRAFT */ + {CmdSendAircraftToHangar, 0}, /* 62, CMD_SEND_AIRCRAFT_TO_HANGAR */ + {NULL, 0}, /* 63, unused */ + {CmdRefitAircraft, 0}, /* 64, CMD_REFIT_AIRCRAFT */ + + {CmdPlaceSign, 0}, /* 65, CMD_PLACE_SIGN */ + {CmdRenameSign, 0}, /* 66, CMD_RENAME_SIGN */ - {CmdBuildRoadVeh, 0}, /* 67 */ - {CmdStartStopRoadVeh, 0}, /* 68 */ - {CmdSellRoadVeh, 0}, /* 69 */ - {CmdSendRoadVehToDepot, 0}, /* 70 */ - {CmdTurnRoadVeh, 0}, /* 71 */ - {CmdRefitRoadVeh, 0}, /* 72 */ + {CmdBuildRoadVeh, 0}, /* 67, CMD_BUILD_ROAD_VEH */ + {CmdStartStopRoadVeh, 0}, /* 68, CMD_START_STOP_ROADVEH */ + {CmdSellRoadVeh, 0}, /* 69, CMD_SELL_ROAD_VEH */ + {CmdSendRoadVehToDepot, 0}, /* 70, CMD_SEND_ROADVEH_TO_DEPOT */ + {CmdTurnRoadVeh, 0}, /* 71, CMD_TURN_ROADVEH */ + {CmdRefitRoadVeh, 0}, /* 72, CMD_REFIT_ROAD_VEH */ - {CmdPause, CMD_SERVER}, /* 73 */ - - {CmdBuyShareInCompany, 0}, /* 74 */ - {CmdSellShareInCompany, 0}, /* 75 */ - {CmdBuyCompany, 0}, /* 76 */ + {CmdPause, CMD_SERVER}, /* 73, CMD_PAUSE */ - {CmdBuildTown, CMD_OFFLINE}, /* 77 */ - {NULL, 0}, /* 78 */ - {NULL, 0}, /* 79 */ - {CmdRenameTown, CMD_SERVER}, /* 80 */ - {CmdDoTownAction, 0}, /* 81 */ + {CmdBuyShareInCompany, 0}, /* 74, CMD_BUY_SHARE_IN_COMPANY */ + {CmdSellShareInCompany, 0}, /* 75, CMD_SELL_SHARE_IN_COMPANY */ + {CmdBuyCompany, 0}, /* 76, CMD_BUY_COMANY */ + + {CmdBuildTown, CMD_OFFLINE}, /* 77, CMD_BUILD_TOWN */ + {NULL, 0}, /* 78, unused */ + {NULL, 0}, /* 79, unused */ + {CmdRenameTown, CMD_SERVER}, /* 80, CMD_RENAME_TOWN */ + {CmdDoTownAction, 0}, /* 81, CMD_DO_TOWN_ACTION */ - {CmdSetRoadDriveSide, CMD_SERVER}, /* 82 */ - {NULL, 0}, /* 83 */ - {NULL, 0}, /* 84 */ - {CmdChangeDifficultyLevel, CMD_SERVER}, /* 85 */ + {CmdSetRoadDriveSide, CMD_SERVER}, /* 82, CMD_SET_ROAD_DRIVE_SIDE */ + {NULL, 0}, /* 83, unused */ + {NULL, 0}, /* 84, unused */ + {CmdChangeDifficultyLevel, CMD_SERVER}, /* 85, CMD_CHANGE_DIFFICULTY_LEVEL */ - {CmdStartStopShip, 0}, /* 86 */ - {CmdSellShip, 0}, /* 87 */ - {CmdBuildShip, 0}, /* 88 */ - {CmdSendShipToDepot, 0}, /* 89 */ - {NULL, 0}, /* 90 */ - {CmdRefitShip, 0}, /* 91 */ + {CmdStartStopShip, 0}, /* 86, CMD_START_STOP_SHIP */ + {CmdSellShip, 0}, /* 87, CMD_SELL_SHIP */ + {CmdBuildShip, 0}, /* 88, CMD_BUILD_SHIP */ + {CmdSendShipToDepot, 0}, /* 89, CMD_SEND_SHIP_TO_DEPOT */ + {NULL, 0}, /* 90, unused */ + {CmdRefitShip, 0}, /* 91, CMD_REFIT_SHIP */ - {NULL, 0}, /* 92 */ - {NULL, 0}, /* 93 */ - {NULL, 0}, /* 94 */ - {NULL, 0}, /* 95 */ - {NULL, 0}, /* 96 */ - {NULL, 0}, /* 97 */ + {NULL, 0}, /* 92, unused */ + {NULL, 0}, /* 93, unused */ + {NULL, 0}, /* 94, unused */ + {NULL, 0}, /* 95, unused */ + {NULL, 0}, /* 96, unused */ + {NULL, 0}, /* 97, unused */ - {CmdOrderRefit, 0}, /* 98 */ - {CmdCloneOrder, 0}, /* 99 */ + {CmdOrderRefit, 0}, /* 98, CMD_ORDER_REFIT */ + {CmdCloneOrder, 0}, /* 99, CMD_CLONE_ORDER */ - {CmdClearArea, 0}, /* 100 */ - {NULL, 0}, /* 101 */ + {CmdClearArea, 0}, /* 100, CMD_CLEAR_AREA */ + {NULL, 0}, /* 101, unused */ - {CmdMoneyCheat, CMD_OFFLINE}, /* 102 */ - {CmdBuildCanal, CMD_AUTO}, /* 103 */ - {CmdPlayerCtrl, 0}, /* 104 */ + {CmdMoneyCheat, CMD_OFFLINE}, /* 102, CMD_MONEY_CHEAT */ + {CmdBuildCanal, CMD_AUTO}, /* 103, CMD_BUILD_CANAL */ + {CmdPlayerCtrl, 0}, /* 104, CMD_PLAYER_CTRL */ - {CmdLevelLand, CMD_AUTO}, /* 105 */ + {CmdLevelLand, CMD_AUTO}, /* 105, CMD_LEVEL_LAND */ - {CmdRefitRailVehicle, 0}, /* 106 */ - {CmdRestoreOrderIndex, 0}, /* 107 */ - {CmdBuildLock, CMD_AUTO}, /* 108 */ - {NULL, 0}, /* 109 */ - {CmdBuildSignalTrack, CMD_AUTO}, /* 110 */ - {CmdRemoveSignalTrack, CMD_AUTO}, /* 111 */ - {NULL, 0}, /* 112 */ - {CmdGiveMoney, 0}, /* 113 */ - {CmdChangePatchSetting, CMD_SERVER}, /* 114 */ - {CmdSetAutoReplace, 0}, /* 115 */ - {CmdCloneVehicle, 0}, /* 116 */ - {CmdMassStartStopVehicle, 0}, /* 117 */ - {CmdDepotSellAllVehicles, 0}, /* 118 */ - {CmdDepotMassAutoReplace, 0}, /* 119 */ - {CmdCreateGroup, 0}, /* 120 */ - {CmdDeleteGroup, 0}, /* 121 */ - {CmdRenameGroup, 0}, /* 122 */ - {CmdAddVehicleGroup, 0}, /* 123 */ - {CmdAddSharedVehicleGroup, 0}, /* 124 */ - {CmdRemoveAllVehiclesGroup, 0}, /* 125 */ - {CmdSetGroupReplaceProtection, 0}, /* 126 */ - {CmdMoveOrder, 0}, /* 127 */ - {CmdChangeTimetable, 0}, /* 128 */ - {CmdSetVehicleOnTime, 0}, /* 129 */ - {CmdAutofillTimetable, 0}, /* 130 */ + {CmdRefitRailVehicle, 0}, /* 106, CMD_REFIT_RAIL_VEHICLE */ + {CmdRestoreOrderIndex, 0}, /* 107, CMD_RESTORE_ORDER_INDEX */ + {CmdBuildLock, CMD_AUTO}, /* 108, CMD_BUILD_LOCK */ + {NULL, 0}, /* 109, unused */ + {CmdBuildSignalTrack, CMD_AUTO}, /* 110, CMD_BUILD_SIGNAL_TRACK */ + {CmdRemoveSignalTrack, CMD_AUTO}, /* 111, CMD_REMOVE_SIGNAL_TRACK */ + {NULL, 0}, /* 112, unused */ + {CmdGiveMoney, 0}, /* 113, CMD_GIVE_MONEY */ + {CmdChangePatchSetting, CMD_SERVER}, /* 114, CMD_CHANGE_PATCH_SETTING */ + {CmdSetAutoReplace, 0}, /* 115, CMD_SET_AUTOREPLACE */ + {CmdCloneVehicle, 0}, /* 116, CMD_CLONE_VEHICLE */ + {CmdMassStartStopVehicle, 0}, /* 117, CMD_MASS_START_STOP */ + {CmdDepotSellAllVehicles, 0}, /* 118, CMD_DEPOT_SELL_ALL_VEHICLES */ + {CmdDepotMassAutoReplace, 0}, /* 119, CMD_DEPOT_MASS_AUTOREPLACE */ + {CmdCreateGroup, 0}, /* 120, CMD_CREATE_GROUP */ + {CmdDeleteGroup, 0}, /* 121, CMD_DELETE_GROUP */ + {CmdRenameGroup, 0}, /* 122, CMD_RENAME_GROUP */ + {CmdAddVehicleGroup, 0}, /* 123, CMD_ADD_VEHICLE_GROUP */ + {CmdAddSharedVehicleGroup, 0}, /* 124, CMD_ADD_SHARE_VEHICLE_GROUP */ + {CmdRemoveAllVehiclesGroup, 0}, /* 125, CMD_REMOVE_ALL_VEHICLES_GROUP */ + {CmdSetGroupReplaceProtection, 0}, /* 126, CMD_SET_GROUP_REPLACE_PROTECTION */ + {CmdMoveOrder, 0}, /* 127, CMD_MOVE_ORDER */ + {CmdChangeTimetable, 0}, /* 128, CMD_CHANGE_TIMETABLE */ + {CmdSetVehicleOnTime, 0}, /* 129, CMD_SET_VEHICLE_ON_TIME */ + {CmdAutofillTimetable, 0}, /* 130, CMD_AUTOFILL_TIMETABLE */ }; -/* This function range-checks a cmd, and checks if the cmd is not NULL */ +/*! + * This function range-checks a cmd, and checks if the cmd is not NULL + * + * @param cmd The integervalue of a command + * @return true if the command is valid (and got a CommandProc function) + */ bool IsValidCommand(uint cmd) { cmd &= 0xFF; @@ -350,14 +371,34 @@ _command_proc_table[cmd].proc != NULL; } +/*! + * This function mask the parameter with 0xFF and returns + * the flags which belongs to the given command. + * + * @param cmd The integer value of the command + * @return The flags for this command + * @bug integervalues which are less equals 0xFF and greater than the + * size of _command_proc_table can result in an index out of bounce + * error (which doesn't happend anyway). Check function #IsValidCommand(). (Progman) + */ byte GetCommandFlags(uint cmd) { return _command_proc_table[cmd & 0xFF].flags; } - static int _docommand_recursive; +/*! + * This function executes a given command with the parameters from the #CommandProc parameter list. + * Depending on the flags parameter it execute or test a command. + * + * @param tile The tile to apply the command on (for the #CommandProc) + * @param p1 Additional data for the command (for the #CommandProc) + * @param p2 Additional data for the command (for the #CommandProc) + * @param flags Flags for the command and how to execute the command + * @param procc The command-id to execute (a value of the CMD_* enums) + * @see CommandProc + */ CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc) { CommandCost res; @@ -421,6 +462,13 @@ return res; } +/*! + * This functions returns the money which can be used to execute a command. + * This is either the money of the current player or INT64_MAX if there + * is no such a player "at the moment" like the server itself. + * + * @return The available money of a player or INT64_MAX + */ Money GetAvailableMoneyForCommand() { PlayerID pid = _current_player; @@ -428,8 +476,20 @@ return GetPlayer(pid)->player_money; } -/* toplevel network safe docommand function for the current player. must not be called recursively. - * the callback is called when the command succeeded or failed. */ +/*! + * Toplevel network safe docommand function for the current player. 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 player 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 callback A callback function to call after the command is finished + * @param cmd The command to execute (a CMD_* value) + * @param my_cmd indicator if the command is from a player 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, CommandCallback *callback, uint32 cmd, bool my_cmd) { CommandCost res, res2;