# ai_gamesettings.cpp

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    00001 /* $Id: ai_gamesettings.cpp 17248 2009-08-21 20:21:05Z rubidium $ */
    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 }