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openttd/src/command.cpp

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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file command.cpp Handling of commands. */
#include "stdafx.h"
#include "landscape.h"
#include "error.h"
#include "gui.h"
#include "command_func.h"
#include "network/network_type.h"
#include "network/network.h"
#include "genworld.h"
#include "strings_func.h"
#include "texteff.hpp"
#include "town.h"
#include "date_func.h"
#include "company_func.h"
#include "company_base.h"
#include "signal_func.h"
#include "core/backup_type.hpp"
#include "object_base.h"
#include "table/strings.h"
#include "safeguards.h"
CommandProc CmdBuildRailroadTrack;
CommandProc CmdRemoveRailroadTrack;
CommandProc CmdBuildSingleRail;
CommandProc CmdRemoveSingleRail;
CommandProc CmdLandscapeClear;
CommandProc CmdBuildBridge;
CommandProc CmdBuildRailStation;
CommandProc CmdRemoveFromRailStation;
CommandProc CmdConvertRail;
CommandProc CmdBuildSingleSignal;
CommandProc CmdRemoveSingleSignal;
CommandProc CmdTerraformLand;
CommandProc CmdBuildObject;
CommandProc CmdSellLandArea;
CommandProc CmdBuildTunnel;
CommandProc CmdBuildTrainDepot;
CommandProc CmdBuildRailWaypoint;
CommandProc CmdRenameWaypoint;
CommandProc CmdRemoveFromRailWaypoint;
CommandProc CmdBuildRoadStop;
CommandProc CmdRemoveRoadStop;
CommandProc CmdBuildLongRoad;
CommandProc CmdRemoveLongRoad;
CommandProc CmdBuildRoad;
CommandProc CmdBuildRoadDepot;
CommandProc CmdBuildAirport;
CommandProc CmdBuildDock;
CommandProc CmdBuildShipDepot;
CommandProc CmdBuildBuoy;
CommandProc CmdPlantTree;
CommandProc CmdMoveRailVehicle;
CommandProc CmdBuildVehicle;
CommandProc CmdSellVehicle;
CommandProc CmdRefitVehicle;
CommandProc CmdSendVehicleToDepot;
CommandProc CmdSetVehicleVisibility;
CommandProc CmdForceTrainProceed;
CommandProc CmdReverseTrainDirection;
CommandProc CmdClearOrderBackup;
CommandProc CmdModifyOrder;
CommandProc CmdSkipToOrder;
CommandProc CmdDeleteOrder;
CommandProc CmdInsertOrder;
CommandProc CmdChangeServiceInt;
CommandProc CmdBuildIndustry;
CommandProc CmdSetCompanyManagerFace;
CommandProc CmdSetCompanyColour;
CommandProc CmdIncreaseLoan;
CommandProc CmdDecreaseLoan;
CommandProc CmdWantEnginePreview;
CommandProc CmdRenameVehicle;
CommandProc CmdRenameEngine;
CommandProc CmdRenameCompany;
CommandProc CmdRenamePresident;
CommandProc CmdRenameStation;
CommandProc CmdRenameDepot;
CommandProc CmdPlaceSign;
CommandProc CmdRenameSign;
CommandProc CmdTurnRoadVeh;
CommandProc CmdPause;
CommandProc CmdBuyShareInCompany;
CommandProc CmdSellShareInCompany;
CommandProc CmdBuyCompany;
CommandProc CmdFoundTown;
CommandProc CmdRenameTown;
CommandProc CmdDoTownAction;
CommandProc CmdTownGrowthRate;
CommandProc CmdTownCargoGoal;
CommandProc CmdTownSetText;
CommandProc CmdExpandTown;
CommandProc CmdDeleteTown;
CommandProc CmdChangeSetting;
CommandProc CmdChangeCompanySetting;
CommandProc CmdOrderRefit;
CommandProc CmdCloneOrder;
CommandProc CmdClearArea;
CommandProc CmdGiveMoney;
CommandProc CmdMoneyCheat;
CommandProc CmdChangeBankBalance;
CommandProc CmdBuildCanal;
CommandProc CmdBuildLock;
CommandProc CmdCreateSubsidy;
CommandProc CmdCompanyCtrl;
CommandProc CmdCustomNewsItem;
CommandProc CmdCreateGoal;
CommandProc CmdRemoveGoal;
CommandProc CmdSetGoalText;
CommandProc CmdSetGoalProgress;
CommandProc CmdSetGoalCompleted;
CommandProc CmdGoalQuestion;
CommandProc CmdGoalQuestionAnswer;
CommandProc CmdCreateStoryPage;
CommandProc CmdCreateStoryPageElement;
CommandProc CmdUpdateStoryPageElement;
CommandProc CmdSetStoryPageTitle;
CommandProc CmdSetStoryPageDate;
CommandProc CmdShowStoryPage;
CommandProc CmdRemoveStoryPage;
CommandProc CmdRemoveStoryPageElement;
CommandProc CmdLevelLand;
CommandProc CmdBuildSignalTrack;
CommandProc CmdRemoveSignalTrack;
CommandProc CmdSetAutoReplace;
CommandProc CmdCloneVehicle;
CommandProc CmdStartStopVehicle;
CommandProc CmdMassStartStopVehicle;
CommandProc CmdAutoreplaceVehicle;
CommandProc CmdDepotSellAllVehicles;
CommandProc CmdDepotMassAutoReplace;
CommandProc CmdCreateGroup;
CommandProc CmdAlterGroup;
CommandProc CmdDeleteGroup;
CommandProc CmdAddVehicleGroup;
CommandProc CmdAddSharedVehicleGroup;
CommandProc CmdRemoveAllVehiclesGroup;
CommandProc CmdSetGroupReplaceProtection;
CommandProc CmdMoveOrder;
CommandProc CmdChangeTimetable;
CommandProc CmdSetVehicleOnTime;
CommandProc CmdAutofillTimetable;
CommandProc CmdSetTimetableStart;
CommandProc CmdOpenCloseAirport;
#define DEF_CMD(proc, flags, type) {proc, #proc, (CommandFlags)flags, type}
/**
* The master command table
*
* This table contains all possible CommandProc functions with
* the flags which belongs to it. The indices are the same
* as the value from the CMD_* enums.
*/
static const Command _command_proc_table[] = {
DEF_CMD(CmdBuildRailroadTrack, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_RAILROAD_TRACK
DEF_CMD(CmdRemoveRailroadTrack, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_RAILROAD_TRACK
DEF_CMD(CmdBuildSingleRail, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_SINGLE_RAIL
DEF_CMD(CmdRemoveSingleRail, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_SINGLE_RAIL
DEF_CMD(CmdLandscapeClear, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_LANDSCAPE_CLEAR
DEF_CMD(CmdBuildBridge, CMD_DEITY | CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_BRIDGE
DEF_CMD(CmdBuildRailStation, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_RAIL_STATION
DEF_CMD(CmdBuildTrainDepot, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_TRAIN_DEPOT
DEF_CMD(CmdBuildSingleSignal, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_SIGNALS
DEF_CMD(CmdRemoveSingleSignal, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_SIGNALS
DEF_CMD(CmdTerraformLand, CMD_ALL_TILES | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_TERRAFORM_LAND
DEF_CMD(CmdBuildObject, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_OBJECT
DEF_CMD(CmdBuildTunnel, CMD_DEITY | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_TUNNEL
DEF_CMD(CmdRemoveFromRailStation, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_FROM_RAIL_STATION
DEF_CMD(CmdConvertRail, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_CONVERT_RAILD
DEF_CMD(CmdBuildRailWaypoint, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_RAIL_WAYPOINT
DEF_CMD(CmdRenameWaypoint, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_WAYPOINT
DEF_CMD(CmdRemoveFromRailWaypoint, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_FROM_RAIL_WAYPOINT
DEF_CMD(CmdBuildRoadStop, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_ROAD_STOP
DEF_CMD(CmdRemoveRoadStop, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_ROAD_STOP
DEF_CMD(CmdBuildLongRoad,CMD_DEITY | CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_LONG_ROAD
DEF_CMD(CmdRemoveLongRoad, CMD_NO_TEST | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // 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.
DEF_CMD(CmdBuildRoad, CMD_DEITY | CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_ROAD
DEF_CMD(CmdBuildRoadDepot, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_ROAD_DEPOT
DEF_CMD(CmdBuildAirport, CMD_NO_WATER | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_AIRPORT
DEF_CMD(CmdBuildDock, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_DOCK
DEF_CMD(CmdBuildShipDepot, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_SHIP_DEPOT
DEF_CMD(CmdBuildBuoy, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_BUOY
DEF_CMD(CmdPlantTree, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_PLANT_TREE
DEF_CMD(CmdBuildVehicle, CMD_CLIENT_ID, CMDT_VEHICLE_CONSTRUCTION ), // CMD_BUILD_VEHICLE
DEF_CMD(CmdSellVehicle, CMD_CLIENT_ID, CMDT_VEHICLE_CONSTRUCTION ), // CMD_SELL_VEHICLE
DEF_CMD(CmdRefitVehicle, 0, CMDT_VEHICLE_CONSTRUCTION ), // CMD_REFIT_VEHICLE
DEF_CMD(CmdSendVehicleToDepot, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_SEND_VEHICLE_TO_DEPOT
DEF_CMD(CmdSetVehicleVisibility, 0, CMDT_COMPANY_SETTING ), // CMD_SET_VEHICLE_VISIBILITY
DEF_CMD(CmdMoveRailVehicle, 0, CMDT_VEHICLE_CONSTRUCTION ), // CMD_MOVE_RAIL_VEHICLE
DEF_CMD(CmdForceTrainProceed, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_FORCE_TRAIN_PROCEED
DEF_CMD(CmdReverseTrainDirection, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_REVERSE_TRAIN_DIRECTION
DEF_CMD(CmdClearOrderBackup, CMD_CLIENT_ID, CMDT_SERVER_SETTING ), // CMD_CLEAR_ORDER_BACKUP
DEF_CMD(CmdModifyOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_MODIFY_ORDER
DEF_CMD(CmdSkipToOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_SKIP_TO_ORDER
DEF_CMD(CmdDeleteOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_DELETE_ORDER
DEF_CMD(CmdInsertOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_INSERT_ORDER
DEF_CMD(CmdChangeServiceInt, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_CHANGE_SERVICE_INT
DEF_CMD(CmdBuildIndustry, CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_INDUSTRY
DEF_CMD(CmdSetCompanyManagerFace, 0, CMDT_OTHER_MANAGEMENT ), // CMD_SET_COMPANY_MANAGER_FACE
DEF_CMD(CmdSetCompanyColour, 0, CMDT_OTHER_MANAGEMENT ), // CMD_SET_COMPANY_COLOUR
DEF_CMD(CmdIncreaseLoan, 0, CMDT_MONEY_MANAGEMENT ), // CMD_INCREASE_LOAN
DEF_CMD(CmdDecreaseLoan, 0, CMDT_MONEY_MANAGEMENT ), // CMD_DECREASE_LOAN
DEF_CMD(CmdWantEnginePreview, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_WANT_ENGINE_PREVIEW
DEF_CMD(CmdRenameVehicle, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_VEHICLE
DEF_CMD(CmdRenameEngine, CMD_SERVER, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_ENGINE
DEF_CMD(CmdRenameCompany, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_COMPANY
DEF_CMD(CmdRenamePresident, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_PRESIDENT
DEF_CMD(CmdRenameStation, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_STATION
DEF_CMD(CmdRenameDepot, 0, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_DEPOT
DEF_CMD(CmdPlaceSign, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_PLACE_SIGN
DEF_CMD(CmdRenameSign, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_SIGN
DEF_CMD(CmdTurnRoadVeh, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_TURN_ROADVEH
DEF_CMD(CmdPause, CMD_SERVER, CMDT_SERVER_SETTING ), // CMD_PAUSE
DEF_CMD(CmdBuyShareInCompany, 0, CMDT_MONEY_MANAGEMENT ), // CMD_BUY_SHARE_IN_COMPANY
DEF_CMD(CmdSellShareInCompany, 0, CMDT_MONEY_MANAGEMENT ), // CMD_SELL_SHARE_IN_COMPANY
DEF_CMD(CmdBuyCompany, 0, CMDT_MONEY_MANAGEMENT ), // CMD_BUY_COMANY
DEF_CMD(CmdFoundTown, CMD_DEITY | CMD_NO_TEST, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_FOUND_TOWN; founding random town can fail only in exec run
DEF_CMD(CmdRenameTown, CMD_DEITY | CMD_SERVER, CMDT_OTHER_MANAGEMENT ), // CMD_RENAME_TOWN
DEF_CMD(CmdDoTownAction, 0, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_DO_TOWN_ACTION
DEF_CMD(CmdTownCargoGoal, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_TOWN_CARGO_GOAL
DEF_CMD(CmdTownGrowthRate, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_TOWN_GROWTH_RATE
DEF_CMD(CmdTownSetText, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_TOWN_SET_TEXT
DEF_CMD(CmdExpandTown, CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_EXPAND_TOWN
DEF_CMD(CmdDeleteTown, CMD_OFFLINE, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_DELETE_TOWN
DEF_CMD(CmdOrderRefit, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_ORDER_REFIT
DEF_CMD(CmdCloneOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_CLONE_ORDER
DEF_CMD(CmdClearArea, CMD_NO_TEST, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_CLEAR_AREA; destroying multi-tile houses makes town rating differ between test and execution
DEF_CMD(CmdMoneyCheat, CMD_OFFLINE, CMDT_CHEAT ), // CMD_MONEY_CHEAT
DEF_CMD(CmdChangeBankBalance, CMD_DEITY, CMDT_MONEY_MANAGEMENT ), // CMD_CHANGE_BANK_BALANCE
DEF_CMD(CmdBuildCanal, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_CANAL
DEF_CMD(CmdCreateSubsidy, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_CREATE_SUBSIDY
DEF_CMD(CmdCompanyCtrl, CMD_SPECTATOR | CMD_CLIENT_ID, CMDT_SERVER_SETTING ), // CMD_COMPANY_CTRL
DEF_CMD(CmdCustomNewsItem, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_CUSTOM_NEWS_ITEM
DEF_CMD(CmdCreateGoal, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_CREATE_GOAL
DEF_CMD(CmdRemoveGoal, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_REMOVE_GOAL
DEF_CMD(CmdSetGoalText, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SET_GOAL_TEXT
DEF_CMD(CmdSetGoalProgress, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SET_GOAL_PROGRESS
DEF_CMD(CmdSetGoalCompleted, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SET_GOAL_COMPLETED
DEF_CMD(CmdGoalQuestion, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_GOAL_QUESTION
DEF_CMD(CmdGoalQuestionAnswer, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_GOAL_QUESTION_ANSWER
DEF_CMD(CmdCreateStoryPage, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_CREATE_STORY_PAGE
DEF_CMD(CmdCreateStoryPageElement, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_CREATE_STORY_PAGE_ELEMENT
DEF_CMD(CmdUpdateStoryPageElement, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_UPDATE_STORY_PAGE_ELEMENT
DEF_CMD(CmdSetStoryPageTitle, CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SET_STORY_PAGE_TITLE
DEF_CMD(CmdSetStoryPageDate, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SET_STORY_PAGE_DATE
DEF_CMD(CmdShowStoryPage, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_SHOW_STORY_PAGE
DEF_CMD(CmdRemoveStoryPage, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_REMOVE_STORY_PAGE
DEF_CMD(CmdRemoveStoryPageElement, CMD_DEITY, CMDT_OTHER_MANAGEMENT ), // CMD_REMOVE_STORY_ELEMENT_PAGE
DEF_CMD(CmdLevelLand, CMD_ALL_TILES | CMD_NO_TEST | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_LEVEL_LAND; test run might clear tiles multiple times, in execution that only happens once
DEF_CMD(CmdBuildLock, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_LOCK
DEF_CMD(CmdBuildSignalTrack, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_SIGNAL_TRACK
DEF_CMD(CmdRemoveSignalTrack, CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_REMOVE_SIGNAL_TRACK
DEF_CMD(CmdGiveMoney, 0, CMDT_MONEY_MANAGEMENT ), // CMD_GIVE_MONEY
DEF_CMD(CmdChangeSetting, CMD_SERVER, CMDT_SERVER_SETTING ), // CMD_CHANGE_SETTING
DEF_CMD(CmdChangeCompanySetting, 0, CMDT_COMPANY_SETTING ), // CMD_CHANGE_COMPANY_SETTING
DEF_CMD(CmdSetAutoReplace, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_SET_AUTOREPLACE
DEF_CMD(CmdCloneVehicle, CMD_NO_TEST, CMDT_VEHICLE_CONSTRUCTION ), // CMD_CLONE_VEHICLE; NewGRF callbacks influence building and refitting making it impossible to correctly estimate the cost
DEF_CMD(CmdStartStopVehicle, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_START_STOP_VEHICLE
DEF_CMD(CmdMassStartStopVehicle, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_MASS_START_STOP
DEF_CMD(CmdAutoreplaceVehicle, 0, CMDT_VEHICLE_MANAGEMENT ), // CMD_AUTOREPLACE_VEHICLE
DEF_CMD(CmdDepotSellAllVehicles, 0, CMDT_VEHICLE_CONSTRUCTION ), // CMD_DEPOT_SELL_ALL_VEHICLES
DEF_CMD(CmdDepotMassAutoReplace, 0, CMDT_VEHICLE_CONSTRUCTION ), // CMD_DEPOT_MASS_AUTOREPLACE
DEF_CMD(CmdCreateGroup, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_CREATE_GROUP
DEF_CMD(CmdDeleteGroup, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_DELETE_GROUP
DEF_CMD(CmdAlterGroup, 0, CMDT_OTHER_MANAGEMENT ), // CMD_ALTER_GROUP
DEF_CMD(CmdAddVehicleGroup, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_ADD_VEHICLE_GROUP
DEF_CMD(CmdAddSharedVehicleGroup, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_ADD_SHARE_VEHICLE_GROUP
DEF_CMD(CmdRemoveAllVehiclesGroup, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_REMOVE_ALL_VEHICLES_GROUP
DEF_CMD(CmdSetGroupReplaceProtection, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_SET_GROUP_REPLACE_PROTECTION
DEF_CMD(CmdMoveOrder, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_MOVE_ORDER
DEF_CMD(CmdChangeTimetable, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_CHANGE_TIMETABLE
DEF_CMD(CmdSetVehicleOnTime, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_SET_VEHICLE_ON_TIME
DEF_CMD(CmdAutofillTimetable, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_AUTOFILL_TIMETABLE
DEF_CMD(CmdSetTimetableStart, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_SET_TIMETABLE_START
DEF_CMD(CmdOpenCloseAirport, 0, CMDT_ROUTE_MANAGEMENT ), // CMD_OPEN_CLOSE_AIRPORT
};
/*!
* This function range-checks a cmd, and checks if the cmd is not NULL
*
* @param cmd The integer value of a command
* @return true if the command is valid (and got a CommandProc function)
*/
bool IsValidCommand(uint32 cmd)
{
cmd &= CMD_ID_MASK;
return cmd < lengthof(_command_proc_table) && _command_proc_table[cmd].proc != NULL;
}
/*!
* This function mask the parameter with CMD_ID_MASK and returns
* the flags which belongs to the given command.
*
* @param cmd The integer value of the command
* @return The flags for this command
*/
CommandFlags GetCommandFlags(uint32 cmd)
{
assert(IsValidCommand(cmd));
return _command_proc_table[cmd & CMD_ID_MASK].flags;
}
/*!
* This function mask the parameter with CMD_ID_MASK and returns
* the name which belongs to the given command.
*
* @param cmd The integer value of the command
* @return The name for this command
*/
const char *GetCommandName(uint32 cmd)
{
assert(IsValidCommand(cmd));
return _command_proc_table[cmd & CMD_ID_MASK].name;
}
/**
* Returns whether the command is allowed while the game is paused.
* @param cmd The command to check.
* @return True if the command is allowed while paused, false otherwise.
*/
bool IsCommandAllowedWhilePaused(uint32 cmd)
{
/* Lookup table for the command types that are allowed for a given pause level setting. */
static const int command_type_lookup[] = {
CMDPL_ALL_ACTIONS, ///< CMDT_LANDSCAPE_CONSTRUCTION
CMDPL_NO_LANDSCAPING, ///< CMDT_VEHICLE_CONSTRUCTION
CMDPL_NO_LANDSCAPING, ///< CMDT_MONEY_MANAGEMENT
CMDPL_NO_CONSTRUCTION, ///< CMDT_VEHICLE_MANAGEMENT
CMDPL_NO_CONSTRUCTION, ///< CMDT_ROUTE_MANAGEMENT
CMDPL_NO_CONSTRUCTION, ///< CMDT_OTHER_MANAGEMENT
CMDPL_NO_CONSTRUCTION, ///< CMDT_COMPANY_SETTING
CMDPL_NO_ACTIONS, ///< CMDT_SERVER_SETTING
CMDPL_NO_ACTIONS, ///< CMDT_CHEAT
};
assert_compile(lengthof(command_type_lookup) == CMDT_END);
assert(IsValidCommand(cmd));
return _game_mode == GM_EDITOR || command_type_lookup[_command_proc_table[cmd & CMD_ID_MASK].type] <= _settings_game.construction.command_pause_level;
}
static int _docommand_recursive = 0;
/**
* Shorthand for calling the long DoCommand with a container.
*
* @param container Container with (almost) all information
* @param flags Flags for the command and how to execute the command
* @see CommandProc
* @return the cost
*/
CommandCost DoCommand(const CommandContainer *container, DoCommandFlag flags)
{
return DoCommand(container->tile, container->p1, container->p2, flags, container->cmd & CMD_ID_MASK, container->text);
}
/*!
* 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 cmd The command-id to execute (a value of the CMD_* enums)
* @param text The text to pass
* @see CommandProc
* @return the cost
*/
CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, DoCommandFlag flags, uint32 cmd, const char *text)
{
CommandCost res;
/* Do not even think about executing out-of-bounds tile-commands */
if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (flags & DC_ALL_TILES) == 0))) return CMD_ERROR;
/* Chop of any CMD_MSG or other flags; we don't need those here */
CommandProc *proc = _command_proc_table[cmd & CMD_ID_MASK].proc;
_docommand_recursive++;
/* only execute the test call if it's toplevel, or we're not execing. */
if (_docommand_recursive == 1 || !(flags & DC_EXEC) ) {
if (_docommand_recursive == 1) _cleared_object_areas.Clear();
SetTownRatingTestMode(true);
res = proc(tile, flags & ~DC_EXEC, p1, p2, text);
SetTownRatingTestMode(false);
if (res.Failed()) {
goto error;
}
if (_docommand_recursive == 1 &&
!(flags & DC_QUERY_COST) &&
!(flags & DC_BANKRUPT) &&
!CheckCompanyHasMoney(res)) { // CheckCompanyHasMoney() modifies 'res' to an error if it fails.
goto error;
}
if (!(flags & DC_EXEC)) {
_docommand_recursive--;
return res;
}
}
/* Execute the command here. All cost-relevant functions set the expenses type
* themselves to the cost object at some point */
if (_docommand_recursive == 1) _cleared_object_areas.Clear();
res = proc(tile, flags, p1, p2, text);
if (res.Failed()) {
error:
_docommand_recursive--;
return res;
}
/* 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 (!Company::IsValidID(company)) return INT64_MAX;
return Company::Get(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
* \a tile, \a p1, and \a p2 are from the #CommandProc function. The parameter \a cmd is the command to execute.
* The parameter \a 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 \c true if the command succeeded, else \c false.
*/
bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text, bool my_cmd)
{
/* Cost estimation is generally only done when the
* local user presses shift while doing somthing.
* However, in case of incoming network commands,
* map generation or the pause button we do want
* to execute. */
bool estimate_only = _shift_pressed && IsLocalCompany() &&
!_generating_world &&
!(cmd & CMD_NETWORK_COMMAND) &&
(cmd & CMD_ID_MASK) != CMD_PAUSE;
/* We're only sending the command, so don't do
* fancy things for 'success'. */
bool only_sending = _networking && !(cmd & CMD_NETWORK_COMMAND);
/* Where to show the message? */
int x = TileX(tile) * TILE_SIZE;
int y = TileY(tile) * TILE_SIZE;
if (_pause_mode != PM_UNPAUSED && !IsCommandAllowedWhilePaused(cmd)) {
ShowErrorMessage(GB(cmd, 16, 16), STR_ERROR_NOT_ALLOWED_WHILE_PAUSED, WL_INFO, x, y);
return false;
}
#ifdef ENABLE_NETWORK
/* Only set p2 when the command does not come from the network. */
if (!(cmd & CMD_NETWORK_COMMAND) && GetCommandFlags(cmd) & CMD_CLIENT_ID && p2 == 0) p2 = CLIENT_ID_SERVER;
#endif
CommandCost res = DoCommandPInternal(tile, p1, p2, cmd, callback, text, my_cmd, estimate_only);
if (res.Failed()) {
/* Only show the error when it's for us. */
StringID error_part1 = GB(cmd, 16, 16);
if (estimate_only || (IsLocalCompany() && error_part1 != 0 && my_cmd)) {
ShowErrorMessage(error_part1, res.GetErrorMessage(), WL_INFO, x, y, res.GetTextRefStackGRF(), res.GetTextRefStackSize(), res.GetTextRefStack());
}
} else if (estimate_only) {
ShowEstimatedCostOrIncome(res.GetCost(), x, y);
} else if (!only_sending && res.GetCost() != 0 && tile != 0 && IsLocalCompany() && _game_mode != GM_EDITOR) {
/* Only show the cost animation when we did actually
* execute the command, i.e. we're not sending it to
* the server, when it has cost the local company
* something. Furthermore in the editor there is no
* concept of cost, so don't show it there either. */
ShowCostOrIncomeAnimation(x, y, GetSlopePixelZ(x, y), res.GetCost());
}
if (!estimate_only && !only_sending && callback != NULL) {
callback(res, tile, p1, p2);
}
return res.Succeeded();
}
/**
* Helper to deduplicate the code for returning.
* @param cmd the command cost to return.
* @param clear whether to keep the storage changes or not.
*/
#define return_dcpi(cmd) { _docommand_recursive = 0; return cmd; }
/*!
* Helper function for the toplevel network safe docommand function for the current company.
*
* @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)
* @param estimate_only whether to give only the estimate or also execute the command
* @return the command cost of this function.
*/
CommandCost DoCommandPInternal(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text, bool my_cmd, bool estimate_only)
{
/* Prevent recursion; it gives a mess over the network */
assert(_docommand_recursive == 0);
_docommand_recursive = 1;
/* Reset the state. */
_additional_cash_required = 0;
/* 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;
/* Shouldn't happen, but you never know when someone adds
* NULLs to the _command_proc_table. */
assert(proc != NULL);
/* Command flags are used internally */
CommandFlags cmd_flags = GetCommandFlags(cmd);
/* Flags get send to the DoCommand */
DoCommandFlag flags = CommandFlagsToDCFlags(cmd_flags);
#ifdef ENABLE_NETWORK
/* Make sure p2 is properly set to a ClientID. */
assert(!(cmd_flags & CMD_CLIENT_ID) || p2 != 0);
#endif
/* 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_dcpi(CMD_ERROR);
/* Always execute server and spectator commands as spectator */
bool exec_as_spectator = (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) != 0;
/* If the company isn't valid it may only do server command or start a new company!
* The server will ditch any server commands a client sends to it, so effectively
* this guards the server from executing functions for an invalid company. */
if (_game_mode == GM_NORMAL && !exec_as_spectator && !Company::IsValidID(_current_company) && !(_current_company == OWNER_DEITY && (cmd_flags & CMD_DEITY) != 0)) {
return_dcpi(CMD_ERROR);
}
Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
if (exec_as_spectator) cur_company.Change(COMPANY_SPECTATOR);
bool test_and_exec_can_differ = (cmd_flags & CMD_NO_TEST) != 0;
/* Test the command. */
_cleared_object_areas.Clear();
SetTownRatingTestMode(true);
BasePersistentStorageArray::SwitchMode(PSM_ENTER_TESTMODE);
CommandCost res = proc(tile, flags, p1, p2, text);
BasePersistentStorageArray::SwitchMode(PSM_LEAVE_TESTMODE);
SetTownRatingTestMode(false);
/* Make sure we're not messing things up here. */
assert(exec_as_spectator ? _current_company == COMPANY_SPECTATOR : cur_company.Verify());
/* If the command fails, we're doing an estimate
* or the player does not have enough money
* (unless it's a command where the test and
* execution phase might return different costs)
* we bail out here. */
if (res.Failed() || estimate_only ||
(!test_and_exec_can_differ && !CheckCompanyHasMoney(res))) {
if (!_networking || _generating_world || (cmd & CMD_NETWORK_COMMAND) != 0) {
/* Log the failed command as well. Just to be able to be find
* causes of desyncs due to bad command test implementations. */
DEBUG(desync, 1, "cmdf: %08x; %02x; %02x; %06x; %08x; %08x; %08x; \"%s\" (%s)", _date, _date_fract, (int)_current_company, tile, p1, p2, cmd & ~CMD_NETWORK_COMMAND, text, GetCommandName(cmd));
}
cur_company.Restore();
return_dcpi(res);
}
#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 (_networking && !_generating_world && !(cmd & CMD_NETWORK_COMMAND)) {
NetworkSendCommand(tile, p1, p2, cmd & ~CMD_FLAGS_MASK, callback, text, _current_company);
cur_company.Restore();
/* Don't return anything special here; no error, no costs.
* This way it's not handled by DoCommand and only the
* actual execution of the command causes messages. Also
* reset the storages as we've not executed the command. */
return_dcpi(CommandCost());
}
#endif /* ENABLE_NETWORK */
DEBUG(desync, 1, "cmd: %08x; %02x; %02x; %06x; %08x; %08x; %08x; \"%s\" (%s)", _date, _date_fract, (int)_current_company, tile, p1, p2, cmd & ~CMD_NETWORK_COMMAND, text, GetCommandName(cmd));
/* Actually try and execute the command. If no cost-type is given
* use the construction one */
_cleared_object_areas.Clear();
BasePersistentStorageArray::SwitchMode(PSM_ENTER_COMMAND);
CommandCost res2 = proc(tile, flags | DC_EXEC, p1, p2, text);
BasePersistentStorageArray::SwitchMode(PSM_LEAVE_COMMAND);
if (cmd_id == CMD_COMPANY_CTRL) {
cur_company.Trash();
/* We are a new company -> Switch to new local company.
* We were closed down -> Switch to spectator
* Some other company opened/closed down -> The outside function will switch back */
_current_company = _local_company;
} else {
/* Make sure nothing bad happened, like changing the current company. */
assert(exec_as_spectator ? _current_company == COMPANY_SPECTATOR : cur_company.Verify());
cur_company.Restore();
}
/* If the test and execution can differ we have to check the
* return of the command. Otherwise we can check whether the
* test and execution have yielded the same result,
* i.e. cost and error state are the same. */
if (!test_and_exec_can_differ) {
assert(res.GetCost() == res2.GetCost() && res.Failed() == res2.Failed()); // sanity check
} else if (res2.Failed()) {
return_dcpi(res2);
}
/* If we're needing more money and we haven't done
* anything yet, ask for the money! */
if (_additional_cash_required != 0 && res2.GetCost() == 0) {
/* It could happen we removed rail, thus gained money, and deleted something else.
* So make sure the signal buffer is empty even in this case */
UpdateSignalsInBuffer();
SetDParam(0, _additional_cash_required);
return_dcpi(CommandCost(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY));
}
/* update last build coordinate of company. */
if (tile != 0) {
Company *c = Company::GetIfValid(_current_company);
if (c != NULL) c->last_build_coordinate = tile;
}
SubtractMoneyFromCompany(res2);
/* update signals if needed */
UpdateSignalsInBuffer();
return_dcpi(res2);
}
#undef return_dcpi
/**
* Adds the cost of the given command return value to this cost.
* Also takes a possible error message when it is set.
* @param ret The command to add the cost of.
*/
void CommandCost::AddCost(const CommandCost &ret)
{
this->AddCost(ret.cost);
if (this->success && !ret.success) {
this->message = ret.message;
this->success = false;
}
}
/**
* Values to put on the #TextRefStack for the error message.
* There is only one static instance of the array, just like there is only one
* instance of normal DParams.
*/
uint32 CommandCost::textref_stack[16];
/**
* Activate usage of the NewGRF #TextRefStack for the error message.
* @param grffile NewGRF that provides the #TextRefStack
* @param num_registers number of entries to copy from the temporary NewGRF registers
*/
void CommandCost::UseTextRefStack(const GRFFile *grffile, uint num_registers)
{
extern TemporaryStorageArray<int32, 0x110> _temp_store;
assert(num_registers < lengthof(textref_stack));
this->textref_stack_grffile = grffile;
this->textref_stack_size = num_registers;
for (uint i = 0; i < num_registers; i++) {
textref_stack[i] = _temp_store.GetValue(0x100 + i);
}
}
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