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/**
* @file llhudeffectpointat.h
* @brief LLHUDEffectPointAt 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_LLHUDEFFECTPOINTAT_H
#define LL_LLHUDEFFECTPOINTAT_H
#include "llframetimer.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);
bool 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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