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OpenTTD-patches/src/ai/api/ai_base.cpp

44 lines
1.1 KiB
C++

/* $Id$ */
/** @file ai_base.cpp Implementation of AIBase. */
#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);
}