94 lines
2.2 KiB
C++
Executable File
94 lines
2.2 KiB
C++
Executable File
/**
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* @file llscriptresource.cpp
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* @brief LLScriptResource class implementation for managing limited resources
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*
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* $LicenseInfo:firstyear=2008&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llscriptresource.h"
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#include "llerror.h"
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LLScriptResource::LLScriptResource()
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: mTotal(0),
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mUsed(0)
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{
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}
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bool LLScriptResource::request(S32 amount /* = 1 */)
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{
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if (mUsed + amount <= mTotal)
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{
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mUsed += amount;
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return true;
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}
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return false;
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}
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bool LLScriptResource::release(S32 amount /* = 1 */)
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{
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if (mUsed >= amount)
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{
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mUsed -= amount;
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return true;
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}
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return false;
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}
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S32 LLScriptResource::getAvailable() const
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{
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if (mUsed > mTotal)
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{
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// It is possible after a parcel ownership change for more than total to be used
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// In this case the user of this class just wants to know
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// whether or not they can use a resource
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return 0;
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}
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return (mTotal - mUsed);
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}
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void LLScriptResource::setTotal(S32 amount)
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{
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// This may cause this resource to be over spent
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// such that more are in use than total allowed
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// Until those resources are released getAvailable will return 0.
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mTotal = amount;
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}
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S32 LLScriptResource::getTotal() const
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{
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return mTotal;
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}
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S32 LLScriptResource::getUsed() const
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{
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return mUsed;
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}
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bool LLScriptResource::isOverLimit() const
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{
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return (mUsed > mTotal);
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}
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