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/**
* @file llwind.h
* @brief LLWind class header file
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLWIND_H
#define LL_LLWIND_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 getVelocityNoisy(const LLVector3 &location, const F32 dim); // "location" is region-local
void decompress(LLBitPack &bitpack, LLGroupHeader *group_headerp);
LLVector3 getAverage();
void setOriginGlobal(const LLVector3d &origin_global);
private:
S32 mSize;
F32 * mVelX;
F32 * mVelY;
LLVector3d mOriginGlobal;
void init();
LOG_CLASS(LLWind);
};
#endif
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