src/script/api/script_gamesettings.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file script_gamesettings.cpp Implementation of ScriptGameSettings. */
   9
  10 #include "../../stdafx.h"
  11 #include "script_gamesettings.hpp"
  12 #include "../../settings_internal.h"
  13 #include "../../settings_type.h"
  14 #include "../../command_type.h"
  15 #include "../../settings_cmd.h"
  16
  17 #include "../../safeguards.h"
  18
  19 /* static */ bool ScriptGameSettings::IsValid(const std::string &setting)
  20 {
  21         const SettingDesc *sd = GetSettingFromName(setting);
  22         return sd != nullptr && sd->IsIntSetting();
  23 }
  24
  25 /* static */ SQInteger ScriptGameSettings::GetValue(const std::string &setting)
  26 {
  27         if (!IsValid(setting)) return -1;
  28
  29         const SettingDesc *sd = GetSettingFromName(setting);
  30         assert(sd != nullptr);
  31         return sd->AsIntSetting()->Read(&_settings_game);
  32 }
  33
  34 /* static */ bool ScriptGameSettings::SetValue(const std::string &setting, SQInteger value)
  35 {
  36         EnforceDeityOrCompanyModeValid(false);
  37         if (!IsValid(setting)) return false;
  38
  39         const SettingDesc *sd = GetSettingFromName(setting);
  40         assert(sd != nullptr);
  41
  42         if ((sd->flags & SF_NO_NETWORK_SYNC) != 0) return false;
  43
  44         value = Clamp<SQInteger>(value, INT32_MIN, INT32_MAX);
  45
  46         return ScriptObject::Command<CMD_CHANGE_SETTING>::Do(sd->GetName(), value);
  47 }
  48
  49 /* static */ bool ScriptGameSettings::IsDisabledVehicleType(ScriptVehicle::VehicleType vehicle_type)
  50 {
  51         switch (vehicle_type) {
  52                 case ScriptVehicle::VT_RAIL:  return _settings_game.ai.ai_disable_veh_train;
  53                 case ScriptVehicle::VT_ROAD:  return _settings_game.ai.ai_disable_veh_roadveh;
  54                 case ScriptVehicle::VT_WATER: return _settings_game.ai.ai_disable_veh_ship;
  55                 case ScriptVehicle::VT_AIR:   return _settings_game.ai.ai_disable_veh_aircraft;
  56                 default:                       return true;
  57         }
  58 }