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