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/**
* @file llhudeffectbeam.h
* @brief LLHUDEffectBeam class definition
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, 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_LLHUDEFFECTBEAM_H
#define LL_LLHUDEFFECTBEAM_H
#include "llhudeffect.h"
#include "llframetimer.h"
#include "llinterp.h"
class LLViewerObject;
const S32 NUM_POINTS = 5;
class LLHUDEffectBeam : public LLHUDEffect
{
public:
/*virtual*/ void setSourceObject(LLViewerObject *objp);
// A beam can have either a target object or a target position
void setTargetObject(LLViewerObject *objp);
void setTargetPos(const LLVector3d &target_pos_global);
friend class LLHUDObject;
protected:
LLHUDEffectBeam(const U8 type);
~LLHUDEffectBeam();
/*virtual*/ void render();
/*virtual*/ void packData(LLMessageSystem *mesgsys);
/*virtual*/ void unpackData(LLMessageSystem *mesgsys, S32 blocknum);
private:
void setupParticle(const S32 i);
F32 mKillTime;
LLFrameTimer mTimer;
LLInterpLinear<LLVector3d> mInterp[NUM_POINTS];
LLInterpLinear<F32> mInterpFade[NUM_POINTS];
LLInterpLinear<F32> mFadeInterp;
LLVector3d mTargetPos;
};
#endif // LL_LLHUDEFFECTBEAM_H
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