ai_base.cpp

Go to the documentation of this file.
00001 /* $Id: ai_base.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_base.hpp"
00013 #include "../../network/network.h"
00014 #include "../../core/random_func.hpp"
00015 
00016 /* static */ uint32 AIBase::Rand()
00017 {
00018   /* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
00019    *   but we pick InteractiveRandomRange if we are a network_server or network-client. */
00020   if (_networking) return ::InteractiveRandom();
00021   return ::Random();
00022 }
00023 
00024 /* static */ uint32 AIBase::RandItem(int unused_param)
00025 {
00026   return AIBase::Rand();
00027 }
00028 
00029 /* static */ uint AIBase::RandRange(uint max)
00030 {
00031   /* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
00032    *   but we pick InteractiveRandomRange if we are a network_server or network-client. */
00033   if (_networking) return ::InteractiveRandomRange(max);
00034   return ::RandomRange(max);
00035 }
00036 
00037 /* static */ uint32 AIBase::RandRangeItem(int unused_param, uint max)
00038 {
00039   return AIBase::RandRange(max);
00040 }
00041 
00042 /* static */ bool AIBase::Chance(uint out, uint max)
00043 {
00044   return (uint16)Rand() <= (uint16)((65536 * out) / max);
00045 }
00046 
00047 /* static */ bool AIBase::ChanceItem(int unused_param, uint out, uint max)
00048 {
00049   return AIBase::Chance(out, max);
00050 }

Generated on Sat Jul 17 18:43:15 2010 for OpenTTD by  doxygen 1.6.1