# ai_gamesettings.cpp

Go to the documentation of this file.

    00001 /* $Id: ai_gamesettings.cpp 18955 2010-01-29 23:56:42Z yexo $ */
    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 #include "../../economy_func.h"
    00015
    00016 /* static */ bool AIGameSettings::IsValid(const char *setting)
    00017 {
    00018   uint i;
    00019   const SettingDesc *sd = GetSettingFromName(setting, &i);
    00020   return sd != NULL && sd->desc.cmd != SDT_STRING;
    00021 }
    00022
    00023 /* static */ int32 AIGameSettings::GetValue(const char *setting)
    00024 {
    00025   if (!IsValid(setting)) return -1;
    00026
    00027   uint i;
    00028   const SettingDesc *sd = GetSettingFromName(setting, &i);
    00029
    00030   void *ptr = GetVariableAddress(&_settings_game, &sd->save);
    00031   if (sd->desc.cmd == SDT_BOOLX) return *(bool*)ptr;
    00032
    00033   return (int32)ReadValue(ptr, sd->save.conv);
    00034 }
    00035
    00036 /* static */ bool AIGameSettings::IsDisabledVehicleType(AIVehicle::VehicleType vehicle_type)
    00037 {
    00038   switch (vehicle_type) {
    00039     case AIVehicle::VT_RAIL:  return _settings_game.ai.ai_disable_veh_train;
    00040     case AIVehicle::VT_ROAD:  return _settings_game.ai.ai_disable_veh_roadveh;
    00041     case AIVehicle::VT_WATER: return _settings_game.ai.ai_disable_veh_ship;
    00042     case AIVehicle::VT_AIR:   return _settings_game.ai.ai_disable_veh_aircraft;
    00043     default:                       return true;
    00044   }
    00045 }