87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/**
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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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* $LicenseInfo:firstyear=2008&license=internal$
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*
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* Copyright (c) 2008, Linden Research, Inc.
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*
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* The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
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* this source code is governed by the Linden Lab Source Code Disclosure
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* Agreement ("Agreement") previously entered between you and Linden
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* Lab. By accessing, using, copying, modifying or distributing this
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* software, you acknowledge that you have been informed of your
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* obligations under the Agreement and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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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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