/* $Id$ */ /* * This file is part of OpenTTD. * 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. * 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. * 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/>. */ /** @file ai_base.cpp Implementation of AIBase. */ #include "../../stdafx.h" #include "ai_base.hpp" #include "../../network/network.h" #include "../../core/random_func.hpp" /* static */ uint32 AIBase::Rand() { /* We pick RandomRange if we are in SP (so when saved, we do the same over and over) * but we pick InteractiveRandomRange if we are a network_server or network-client. */ if (_networking) return ::InteractiveRandom(); return ::Random(); } /* static */ uint32 AIBase::RandItem(int unused_param) { return AIBase::Rand(); } /* static */ uint AIBase::RandRange(uint max) { /* We pick RandomRange if we are in SP (so when saved, we do the same over and over) * but we pick InteractiveRandomRange if we are a network_server or network-client. */ if (_networking) return ::InteractiveRandomRange(max); return ::RandomRange(max); } /* static */ uint32 AIBase::RandRangeItem(int unused_param, uint max) { return AIBase::RandRange(max); } /* static */ bool AIBase::Chance(uint out, uint max) { return (uint16)Rand() <= (uint16)((65536 * out) / max); } /* static */ bool AIBase::ChanceItem(int unused_param, uint out, uint max) { return AIBase::Chance(out, max); }