cpp/openttd-patchpack/source Files · src/ai/api/ai_base.cpp

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Location: cpp/openttd-patchpack/source/src/ai/api/ai_base.cpp

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peter1138

(svn r15389) -Feature: Add ability to select which base graphics set is used from the Game Options window. The change takes effect when the window is closed. This option can only be used from the intro menu, as reloading graphics during a game may cause issues.

/* $Id$ */

/** @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);
}