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49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file script_base.cpp Implementation of ScriptBase. */
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#include "../../stdafx.h"
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#include "script_base.hpp"
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#include "script_error.hpp"
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#include "../../safeguards.h"
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/* static */ SQInteger ScriptBase::Rand()
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{
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return ScriptObject::GetRandomizer().Next();
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}
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/* static */ SQInteger ScriptBase::RandItem(SQInteger unused_param)
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{
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return ScriptBase::Rand();
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}
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/* static */ SQInteger ScriptBase::RandRange(SQInteger max)
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{
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max = Clamp<SQInteger>(max, 0, UINT32_MAX);
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return ScriptObject::GetRandomizer().Next(max);
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}
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/* static */ SQInteger ScriptBase::RandRangeItem(SQInteger unused_param, SQInteger max)
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{
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return ScriptBase::RandRange(max);
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}
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/* static */ bool ScriptBase::Chance(SQInteger out, SQInteger max)
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{
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out = Clamp<SQInteger>(out, 0, UINT32_MAX);
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max = Clamp<SQInteger>(max, 0, UINT32_MAX);
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EnforcePrecondition(false, out <= max);
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return ScriptBase::RandRange(max) < out;
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}
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/* static */ bool ScriptBase::ChanceItem(SQInteger unused_param, SQInteger out, SQInteger max)
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{
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return ScriptBase::Chance(out, max);
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}
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