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/**
* @file llhudeffectbeam.h
* @brief LLHUDEffectBeam class definition
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_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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