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/**
* @file llwind.h
* @brief LLWind class header file
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* 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_LLWIND_H
#define LL_LLWIND_H
//#include "vmath.h"
#include "llmath.h"
#include "v3math.h"
#include "v3dmath.h"
class LLVector3;
class LLBitPack;
class LLGroupHeader;
class LLWind
{
public:
LLWind();
~LLWind();
void renderVectors();
LLVector3 getVelocity(const LLVector3 &location); // "location" is region-local
LLVector3 getCloudVelocity(const LLVector3 &location); // "location" is region-local
LLVector3 getVelocityNoisy(const LLVector3 &location, const F32 dim); // "location" is region-local
void decompress(LLBitPack &bitpack, LLGroupHeader *group_headerp);
LLVector3 getAverage();
void setCloudDensityPointer(F32 *densityp);
void setOriginGlobal(const LLVector3d &origin_global);
private:
S32 mSize;
F32 * mVelX;
F32 * mVelY;
F32 * mCloudVelX;
F32 * mCloudVelY;
F32 * mCloudDensityp;
LLVector3d mOriginGlobal;
void init();
};
#endif
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