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/**
* @file llhudeffectpointat.h
* @brief LLHUDEffectPointAt class definition
*
* Copyright (c) 2002-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#ifndef LL_LLHUDEFFECTPOINTAT_H
#define LL_LLHUDEFFECTPOINTAT_H
#include "llhudeffect.h"
class LLViewerObject;
class LLVOAvatar;
typedef enum e_pointat_type
{
POINTAT_TARGET_NONE,
POINTAT_TARGET_SELECT,
POINTAT_TARGET_GRAB,
POINTAT_TARGET_CLEAR,
POINTAT_NUM_TARGETS
} EPointAtType;
class LLHUDEffectPointAt : public LLHUDEffect
{
public:
friend class LLHUDObject;
/*virtual*/ void markDead();
/*virtual*/ void setSourceObject(LLViewerObject* objectp);
BOOL setPointAt(EPointAtType target_type, LLViewerObject *object, LLVector3 position);
void clearPointAtTarget();
EPointAtType getPointAtType() { return mTargetType; }
const LLVector3& getPointAtPosAgent() { return mTargetPos; }
const LLVector3d getPointAtPosGlobal();
protected:
LLHUDEffectPointAt(const U8 type);
~LLHUDEffectPointAt();
/*virtual*/ void render();
/*virtual*/ void packData(LLMessageSystem *mesgsys);
/*virtual*/ void unpackData(LLMessageSystem *mesgsys, S32 blocknum);
// lookat behavior has either target position or target object with offset
void setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset);
void setTargetPosGlobal(const LLVector3d &target_pos_global);
void calcTargetPosition();
void update();
public:
static BOOL sDebugPointAt;
private:
EPointAtType mTargetType;
LLVector3d mTargetOffsetGlobal;
LLVector3 mLastSentOffsetGlobal;
F32 mKillTime;
LLFrameTimer mTimer;
LLVector3 mTargetPos;
F32 mLastSendTime;
};
#endif // LL_LLHUDEFFECTPOINTAT_H
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