src/script/api/script_gamesettings.cpp

   1 /* $Id: script_gamesettings.cpp 23735 2012-01-03 20:26:05Z rubidium $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file script_gamesettings.cpp Implementation of ScriptGameSettings. */
  11
  12 #include "../../stdafx.h"
  13 #include "script_gamesettings.hpp"
  14 #include "../../settings_internal.h"
  15 #include "../../settings_type.h"
  16 #include "../../command_type.h"
  17
  18 #include "../../safeguards.h"
  19
  20 /* static */ bool ScriptGameSettings::IsValid(const char *setting)
  21 {
  22         uint i;
  23         const SettingDesc *sd = GetSettingFromName(setting, &i);
  24         return sd != NULL && sd->desc.cmd != SDT_STRING;
  25 }
  26
  27 /* static */ int32 ScriptGameSettings::GetValue(const char *setting)
  28 {
  29         if (!IsValid(setting)) return -1;
  30
  31         uint index;
  32         const SettingDesc *sd = GetSettingFromName(setting, &index);
  33
  34         void *ptr = GetVariableAddress(&_settings_game, &sd->save);
  35         if (sd->desc.cmd == SDT_BOOLX) return *(bool*)ptr;
  36
  37         return (int32)ReadValue(ptr, sd->save.conv);
  38 }
  39
  40 /* static */ bool ScriptGameSettings::SetValue(const char *setting, int value)
  41 {
  42         if (!IsValid(setting)) return false;
  43
  44         uint index;
  45         const SettingDesc *sd = GetSettingFromName(setting, &index);
  46
  47         if ((sd->save.conv & SLF_NO_NETWORK_SYNC) != 0) return false;
  48         if (sd->desc.cmd != SDT_BOOLX && sd->desc.cmd != SDT_NUMX) return false;
  49
  50         return ScriptObject::DoCommand(0, index, value, CMD_CHANGE_SETTING);
  51 }
  52
  53 /* static */ bool ScriptGameSettings::IsDisabledVehicleType(ScriptVehicle::VehicleType vehicle_type)
  54 {
  55         switch (vehicle_type) {
  56                 case ScriptVehicle::VT_RAIL:  return _settings_game.ai.ai_disable_veh_train;
  57                 case ScriptVehicle::VT_ROAD:  return _settings_game.ai.ai_disable_veh_roadveh;
  58                 case ScriptVehicle::VT_WATER: return _settings_game.ai.ai_disable_veh_ship;
  59                 case ScriptVehicle::VT_AIR:   return _settings_game.ai.ai_disable_veh_aircraft;
  60                 default:                       return true;
  61         }
  62 }