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Location: cpp/openttd-patchpack/source/src/command.cpp - annotation
r12162:c4894f5339c3
23.2 KiB
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(svn r16583) -Update: the order of the language files so it's in sync with english.txt. Normally WT2 would do this, but only with activity for those languages. Now we'd like to the order to match so we can more easily spot import bugs while developing WT3.
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r5584:545d748cc681 r7609:2e734c4aad38 r5584:545d748cc681 r5584:545d748cc681 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 r8854:b4bbf0180038 | /* $Id$ */
/** @file command.cpp Handling of commands. */
#include "stdafx.h"
#include "openttd.h"
#include "landscape.h"
#include "tile_map.h"
#include "gui.h"
#include "command_func.h"
#include "network/network.h"
#include "genworld.h"
#include "newgrf_storage.h"
#include "strings_func.h"
#include "gfx_func.h"
#include "functions.h"
#include "town.h"
#include "date_func.h"
#include "debug.h"
#include "company_func.h"
#include "company_base.h"
#include "signal_func.h"
#include "table/strings.h"
StringID _error_message;
/**
* 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, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
DEF_COMMAND(CmdBuildRailroadTrack);
DEF_COMMAND(CmdRemoveRailroadTrack);
DEF_COMMAND(CmdBuildSingleRail);
DEF_COMMAND(CmdRemoveSingleRail);
DEF_COMMAND(CmdLandscapeClear);
DEF_COMMAND(CmdBuildBridge);
DEF_COMMAND(CmdBuildRailroadStation);
DEF_COMMAND(CmdRemoveFromRailroadStation);
DEF_COMMAND(CmdConvertRail);
DEF_COMMAND(CmdBuildSingleSignal);
DEF_COMMAND(CmdRemoveSingleSignal);
DEF_COMMAND(CmdTerraformLand);
DEF_COMMAND(CmdPurchaseLandArea);
DEF_COMMAND(CmdSellLandArea);
DEF_COMMAND(CmdBuildTunnel);
DEF_COMMAND(CmdBuildTrainDepot);
DEF_COMMAND(CmdBuildTrainWaypoint);
DEF_COMMAND(CmdRenameWaypoint);
DEF_COMMAND(CmdRemoveTrainWaypoint);
DEF_COMMAND(CmdBuildRoadStop);
DEF_COMMAND(CmdRemoveRoadStop);
DEF_COMMAND(CmdBuildLongRoad);
DEF_COMMAND(CmdRemoveLongRoad);
DEF_COMMAND(CmdBuildRoad);
DEF_COMMAND(CmdRemoveRoad);
DEF_COMMAND(CmdBuildRoadDepot);
DEF_COMMAND(CmdBuildAirport);
DEF_COMMAND(CmdBuildDock);
DEF_COMMAND(CmdBuildShipDepot);
DEF_COMMAND(CmdBuildBuoy);
DEF_COMMAND(CmdPlantTree);
DEF_COMMAND(CmdBuildRailVehicle);
DEF_COMMAND(CmdMoveRailVehicle);
DEF_COMMAND(CmdSellRailWagon);
DEF_COMMAND(CmdSendTrainToDepot);
DEF_COMMAND(CmdForceTrainProceed);
DEF_COMMAND(CmdReverseTrainDirection);
DEF_COMMAND(CmdModifyOrder);
DEF_COMMAND(CmdSkipToOrder);
DEF_COMMAND(CmdDeleteOrder);
DEF_COMMAND(CmdInsertOrder);
DEF_COMMAND(CmdChangeServiceInt);
DEF_COMMAND(CmdRestoreOrderIndex);
DEF_COMMAND(CmdBuildIndustry);
DEF_COMMAND(CmdBuildCompanyHQ);
DEF_COMMAND(CmdSetCompanyManagerFace);
DEF_COMMAND(CmdSetCompanyColour);
DEF_COMMAND(CmdIncreaseLoan);
DEF_COMMAND(CmdDecreaseLoan);
DEF_COMMAND(CmdWantEnginePreview);
DEF_COMMAND(CmdRenameVehicle);
DEF_COMMAND(CmdRenameEngine);
DEF_COMMAND(CmdRenameCompany);
DEF_COMMAND(CmdRenamePresident);
DEF_COMMAND(CmdRenameStation);
DEF_COMMAND(CmdSellAircraft);
DEF_COMMAND(CmdBuildAircraft);
DEF_COMMAND(CmdSendAircraftToHangar);
DEF_COMMAND(CmdRefitAircraft);
DEF_COMMAND(CmdPlaceSign);
DEF_COMMAND(CmdRenameSign);
DEF_COMMAND(CmdBuildRoadVeh);
DEF_COMMAND(CmdSellRoadVeh);
DEF_COMMAND(CmdSendRoadVehToDepot);
DEF_COMMAND(CmdTurnRoadVeh);
DEF_COMMAND(CmdRefitRoadVeh);
DEF_COMMAND(CmdPause);
DEF_COMMAND(CmdBuyShareInCompany);
DEF_COMMAND(CmdSellShareInCompany);
DEF_COMMAND(CmdBuyCompany);
DEF_COMMAND(CmdBuildTown);
DEF_COMMAND(CmdRenameTown);
DEF_COMMAND(CmdDoTownAction);
DEF_COMMAND(CmdChangeSetting);
DEF_COMMAND(CmdChangeCompanySetting);
DEF_COMMAND(CmdSellShip);
DEF_COMMAND(CmdBuildShip);
DEF_COMMAND(CmdSendShipToDepot);
DEF_COMMAND(CmdRefitShip);
DEF_COMMAND(CmdOrderRefit);
DEF_COMMAND(CmdCloneOrder);
DEF_COMMAND(CmdClearArea);
DEF_COMMAND(CmdGiveMoney);
DEF_COMMAND(CmdMoneyCheat);
DEF_COMMAND(CmdBuildCanal);
DEF_COMMAND(CmdBuildLock);
DEF_COMMAND(CmdCompanyCtrl);
DEF_COMMAND(CmdLevelLand);
DEF_COMMAND(CmdRefitRailVehicle);
DEF_COMMAND(CmdBuildSignalTrack);
DEF_COMMAND(CmdRemoveSignalTrack);
DEF_COMMAND(CmdSetAutoReplace);
DEF_COMMAND(CmdCloneVehicle);
DEF_COMMAND(CmdStartStopVehicle);
DEF_COMMAND(CmdMassStartStopVehicle);
DEF_COMMAND(CmdAutoreplaceVehicle);
DEF_COMMAND(CmdDepotSellAllVehicles);
DEF_COMMAND(CmdDepotMassAutoReplace);
DEF_COMMAND(CmdCreateGroup);
DEF_COMMAND(CmdRenameGroup);
DEF_COMMAND(CmdDeleteGroup);
DEF_COMMAND(CmdAddVehicleGroup);
DEF_COMMAND(CmdAddSharedVehicleGroup);
DEF_COMMAND(CmdRemoveAllVehiclesGroup);
DEF_COMMAND(CmdSetGroupReplaceProtection);
DEF_COMMAND(CmdMoveOrder);
DEF_COMMAND(CmdChangeTimetable);
DEF_COMMAND(CmdSetVehicleOnTime);
DEF_COMMAND(CmdAutofillTimetable);
#undef DEF_COMMAND
/**
* 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_NO_WATER | CMD_AUTO}, // CMD_BUILD_RAILROAD_TRACK
{CmdRemoveRailroadTrack, CMD_AUTO}, // CMD_REMOVE_RAILROAD_TRACK
{CmdBuildSingleRail, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_SINGLE_RAIL
{CmdRemoveSingleRail, CMD_AUTO}, // CMD_REMOVE_SINGLE_RAIL
{CmdLandscapeClear, 0}, // CMD_LANDSCAPE_CLEAR
{CmdBuildBridge, CMD_AUTO}, // CMD_BUILD_BRIDGE
{CmdBuildRailroadStation, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_RAILROAD_STATION
{CmdBuildTrainDepot, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_TRAIN_DEPOT
{CmdBuildSingleSignal, CMD_AUTO}, // CMD_BUILD_SIGNALS
{CmdRemoveSingleSignal, CMD_AUTO}, // CMD_REMOVE_SIGNALS
{CmdTerraformLand, CMD_ALL_TILES | CMD_AUTO}, // CMD_TERRAFORM_LAND
{CmdPurchaseLandArea, CMD_NO_WATER | CMD_AUTO}, // CMD_PURCHASE_LAND_AREA
{CmdSellLandArea, 0}, // CMD_SELL_LAND_AREA
{CmdBuildTunnel, CMD_AUTO}, // CMD_BUILD_TUNNEL
{CmdRemoveFromRailroadStation, 0}, // CMD_REMOVE_FROM_RAILROAD_STATION
{CmdConvertRail, 0}, // CMD_CONVERT_RAILD
{CmdBuildTrainWaypoint, 0}, // CMD_BUILD_TRAIN_WAYPOINT
{CmdRenameWaypoint, 0}, // CMD_RENAME_WAYPOINT
{CmdRemoveTrainWaypoint, 0}, // CMD_REMOVE_TRAIN_WAYPOINT
{CmdBuildRoadStop, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_ROAD_STOP
{CmdRemoveRoadStop, 0}, // CMD_REMOVE_ROAD_STOP
{CmdBuildLongRoad, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_LONG_ROAD
{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.
{CmdBuildRoad, 0}, // CMD_BUILD_ROAD
{CmdRemoveRoad, 0}, // CMD_REMOVE_ROAD
{CmdBuildRoadDepot, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_ROAD_DEPOT
{CmdBuildAirport, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_AIRPORT
{CmdBuildDock, CMD_AUTO}, // CMD_BUILD_DOCK
{CmdBuildShipDepot, CMD_AUTO}, // CMD_BUILD_SHIP_DEPOT
{CmdBuildBuoy, CMD_AUTO}, // CMD_BUILD_BUOY
{CmdPlantTree, CMD_AUTO}, // CMD_PLANT_TREE
{CmdBuildRailVehicle, 0}, // CMD_BUILD_RAIL_VEHICLE
{CmdMoveRailVehicle, 0}, // CMD_MOVE_RAIL_VEHICLE
{CmdSellRailWagon, 0}, // CMD_SELL_RAIL_WAGON
{CmdSendTrainToDepot, 0}, // CMD_SEND_TRAIN_TO_DEPOT
{CmdForceTrainProceed, 0}, // CMD_FORCE_TRAIN_PROCEED
{CmdReverseTrainDirection, 0}, // CMD_REVERSE_TRAIN_DIRECTION
{CmdModifyOrder, 0}, // CMD_MODIFY_ORDER
{CmdSkipToOrder, 0}, // CMD_SKIP_TO_ORDER
{CmdDeleteOrder, 0}, // CMD_DELETE_ORDER
{CmdInsertOrder, 0}, // CMD_INSERT_ORDER
{CmdChangeServiceInt, 0}, // CMD_CHANGE_SERVICE_INT
{CmdBuildIndustry, 0}, // CMD_BUILD_INDUSTRY
{CmdBuildCompanyHQ, CMD_NO_WATER | CMD_AUTO}, // CMD_BUILD_COMPANY_HQ
{CmdSetCompanyManagerFace, 0}, // CMD_SET_COMPANY_MANAGER_FACE
{CmdSetCompanyColour, 0}, // CMD_SET_COMPANY_COLOUR
{CmdIncreaseLoan, 0}, // CMD_INCREASE_LOAN
{CmdDecreaseLoan, 0}, // CMD_DECREASE_LOAN
{CmdWantEnginePreview, 0}, // CMD_WANT_ENGINE_PREVIEW
{CmdRenameVehicle, 0}, // CMD_RENAME_VEHICLE
{CmdRenameEngine, 0}, // CMD_RENAME_ENGINE
{CmdRenameCompany, 0}, // CMD_RENAME_COMPANY
{CmdRenamePresident, 0}, // CMD_RENAME_PRESIDENT
{CmdRenameStation, 0}, // CMD_RENAME_STATION
{CmdSellAircraft, 0}, // CMD_SELL_AIRCRAFT
{CmdBuildAircraft, 0}, // CMD_BUILD_AIRCRAFT
{CmdSendAircraftToHangar, 0}, // CMD_SEND_AIRCRAFT_TO_HANGAR
{CmdRefitAircraft, 0}, // CMD_REFIT_AIRCRAFT
{CmdPlaceSign, 0}, // CMD_PLACE_SIGN
{CmdRenameSign, 0}, // CMD_RENAME_SIGN
{CmdBuildRoadVeh, 0}, // CMD_BUILD_ROAD_VEH
{CmdSellRoadVeh, 0}, // CMD_SELL_ROAD_VEH
{CmdSendRoadVehToDepot, 0}, // CMD_SEND_ROADVEH_TO_DEPOT
{CmdTurnRoadVeh, 0}, // CMD_TURN_ROADVEH
{CmdRefitRoadVeh, 0}, // CMD_REFIT_ROAD_VEH
{CmdPause, CMD_SERVER}, // CMD_PAUSE
{CmdBuyShareInCompany, 0}, // CMD_BUY_SHARE_IN_COMPANY
{CmdSellShareInCompany, 0}, // CMD_SELL_SHARE_IN_COMPANY
{CmdBuyCompany, 0}, // CMD_BUY_COMANY
{CmdBuildTown, CMD_OFFLINE}, // CMD_BUILD_TOWN
{CmdRenameTown, CMD_SERVER}, // CMD_RENAME_TOWN
{CmdDoTownAction, 0}, // CMD_DO_TOWN_ACTION
{CmdSellShip, 0}, // CMD_SELL_SHIP
{CmdBuildShip, 0}, // CMD_BUILD_SHIP
{CmdSendShipToDepot, 0}, // CMD_SEND_SHIP_TO_DEPOT
{CmdRefitShip, 0}, // CMD_REFIT_SHIP
{CmdOrderRefit, 0}, // CMD_ORDER_REFIT
{CmdCloneOrder, 0}, // CMD_CLONE_ORDER
{CmdClearArea, CMD_NO_TEST}, // CMD_CLEAR_AREA; destroying multi-tile houses makes town rating differ between test and execution
{CmdMoneyCheat, CMD_OFFLINE}, // CMD_MONEY_CHEAT
{CmdBuildCanal, CMD_AUTO}, // CMD_BUILD_CANAL
{CmdCompanyCtrl, CMD_SPECTATOR}, // CMD_COMPANY_CTRL
{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
{CmdRefitRailVehicle, 0}, // CMD_REFIT_RAIL_VEHICLE
{CmdRestoreOrderIndex, 0}, // CMD_RESTORE_ORDER_INDEX
{CmdBuildLock, CMD_AUTO}, // CMD_BUILD_LOCK
{CmdBuildSignalTrack, CMD_AUTO}, // CMD_BUILD_SIGNAL_TRACK
{CmdRemoveSignalTrack, CMD_AUTO}, // CMD_REMOVE_SIGNAL_TRACK
{CmdGiveMoney, 0}, // CMD_GIVE_MONEY
{CmdChangeSetting, CMD_SERVER}, // CMD_CHANGE_SETTING
{CmdChangeCompanySetting, 0}, // CMD_CHANGE_COMPANY_SETTING
{CmdSetAutoReplace, 0}, // CMD_SET_AUTOREPLACE
{CmdCloneVehicle, CMD_NO_TEST}, // CMD_CLONE_VEHICLE; NewGRF callbacks influence building and refitting making it impossible to correctly estimate the cost
{CmdStartStopVehicle, 0}, // CMD_START_STOP_VEHICLE
{CmdMassStartStopVehicle, 0}, // CMD_MASS_START_STOP
{CmdAutoreplaceVehicle, 0}, // CMD_AUTOREPLACE_VEHICLE
{CmdDepotSellAllVehicles, 0}, // CMD_DEPOT_SELL_ALL_VEHICLES
{CmdDepotMassAutoReplace, 0}, // CMD_DEPOT_MASS_AUTOREPLACE
{CmdCreateGroup, 0}, // CMD_CREATE_GROUP
{CmdDeleteGroup, 0}, // CMD_DELETE_GROUP
{CmdRenameGroup, 0}, // CMD_RENAME_GROUP
{CmdAddVehicleGroup, 0}, // CMD_ADD_VEHICLE_GROUP
{CmdAddSharedVehicleGroup, 0}, // CMD_ADD_SHARE_VEHICLE_GROUP
{CmdRemoveAllVehiclesGroup, 0}, // CMD_REMOVE_ALL_VEHICLES_GROUP
{CmdSetGroupReplaceProtection, 0}, // CMD_SET_GROUP_REPLACE_PROTECTION
{CmdMoveOrder, 0}, // CMD_MOVE_ORDER
{CmdChangeTimetable, 0}, // CMD_CHANGE_TIMETABLE
{CmdSetVehicleOnTime, 0}, // CMD_SET_VEHICLE_ON_TIME
{CmdAutofillTimetable, 0}, // CMD_AUTOFILL_TIMETABLE
};
/*!
* 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(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
*/
byte GetCommandFlags(uint32 cmd)
{
assert(IsValidCommand(cmd));
return _command_proc_table[cmd & CMD_ID_MASK].flags;
}
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)
* @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;
CommandProc *proc = _command_proc_table[cmd].proc;
if (_docommand_recursive == 0) _error_message = INVALID_STRING_ID;
_docommand_recursive++;
/* only execute the test call if it's toplevel, or we're not execing. */
if (_docommand_recursive == 1 || !(flags & DC_EXEC) ) {
SetTownRatingTestMode(true);
res = proc(tile, flags & ~DC_EXEC, p1, p2, text);
SetTownRatingTestMode(false);
if (CmdFailed(res)) {
res.SetGlobalErrorMessage();
goto error;
}
if (_docommand_recursive == 1 &&
!(flags & DC_QUERY_COST) &&
!(flags & DC_BANKRUPT) &&
res.GetCost() != 0 &&
!CheckCompanyHasMoney(res)) {
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 */
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 (!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
* 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;
/* 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;
/* Always execute server and spectator commands as spectator */
if (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) _current_company = COMPANY_SPECTATOR;
CompanyID old_company = _current_company;
/* 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 && (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) == 0 && !Company::IsValidID(_current_company)) {
if (my_cmd) ShowErrorMessage(_error_message, error_part1, x, y);
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 (_networking && !(cmd & CMD_NETWORK_COMMAND)) {
NetworkSend_Command(tile, p1, p2, cmd & ~CMD_FLAGS_MASK, callback, text);
_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) {
Company *c = Company::GetIfValid(_current_company);
if (c != NULL) c->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_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY, 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;
}
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