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/**
* @file llscriptresource.h
* @brief LLScriptResource class definition
*
* $LicenseInfo:firstyear=2008&license=internal$
*
* Copyright (c) 2008, Linden Research, Inc.
*
* The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
* this source code is governed by the Linden Lab Source Code Disclosure
* Agreement ("Agreement") previously entered between you and Linden
* Lab. By accessing, using, copying, modifying or distributing this
* software, you acknowledge that you have been informed of your
* obligations under the Agreement and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLSCRIPTRESOURCE_H
#define LL_LLSCRIPTRESOURCE_H
#include "stdtypes.h"
// An LLScriptResource is a limited resource per ID.
class LLScriptResource
{
public:
LLScriptResource();
// If amount resources are available will mark amount resouces
// used and returns true
// Otherwise returns false and doesn't mark any resources used.
bool request(S32 amount = 1);
// Release amount resources from use if at least amount resources are used and return true
// If amount is more than currently used no resources are released and return false
bool release(S32 amount = 1);
// Returns how many resources are available
S32 getAvailable() const;
// Sets the total amount of available resources
// It is possible to set the amount to less than currently used
// Most likely to happen on parcel ownership change
void setTotal(S32 amount);
// Get the total amount of available resources
S32 getTotal() const;
// Get the number of resources used
S32 getUsed() const;
// true if more resources used than total available
bool isOverLimit() const;
private:
S32 mTotal; // How many resources have been set aside
S32 mUsed; // How many resources are currently in use
};
#endif // LL_LLSCRIPTRESOURCE_H
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