ai_gamesettings.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "ai_gamesettings.hpp"
00013 #include "../../settings_internal.h"
00014 
00015 /* static */ bool AIGameSettings::IsValid(const char *setting)
00016 {
00017   uint i;
00018   const SettingDesc *sd = GetSettingFromName(setting, &i);
00019   return sd != NULL && sd->desc.cmd != SDT_STRING;
00020 }
00021 
00022 /* static */ int32 AIGameSettings::GetValue(const char *setting)
00023 {
00024   if (!IsValid(setting)) return -1;
00025 
00026   uint i;
00027   const SettingDesc *sd = GetSettingFromName(setting, &i);
00028 
00029   void *ptr = GetVariableAddress(&_settings_game, &sd->save);
00030   if (sd->desc.cmd == SDT_BOOLX) return *(bool*)ptr;
00031 
00032   return (int32)ReadValue(ptr, sd->save.conv);
00033 }
00034 
00035 /* static */ bool AIGameSettings::IsDisabledVehicleType(AIVehicle::VehicleType vehicle_type)
00036 {
00037   switch (vehicle_type) {
00038     case AIVehicle::VT_RAIL:  return _settings_game.ai.ai_disable_veh_train;
00039     case AIVehicle::VT_ROAD:  return _settings_game.ai.ai_disable_veh_roadveh;
00040     case AIVehicle::VT_WATER: return _settings_game.ai.ai_disable_veh_ship;
00041     case AIVehicle::VT_AIR:   return _settings_game.ai.ai_disable_veh_aircraft;
00042     default:                       return true;
00043   }
00044 }

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