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/**
* @file llhudeffectlookat.h
* @brief LLHUDEffectLookAt 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_LLHUDEFFECTLOOKAT_H
#define LL_LLHUDEFFECTLOOKAT_H
#include "llhudeffect.h"
class LLViewerObject;
class LLVOAvatar;
class LLAttentionSet;
typedef enum e_lookat_type
{
LOOKAT_TARGET_NONE,
LOOKAT_TARGET_IDLE,
LOOKAT_TARGET_AUTO_LISTEN,
LOOKAT_TARGET_FREELOOK,
LOOKAT_TARGET_RESPOND,
LOOKAT_TARGET_HOVER,
LOOKAT_TARGET_CONVERSATION,
LOOKAT_TARGET_SELECT,
LOOKAT_TARGET_FOCUS,
LOOKAT_TARGET_MOUSELOOK,
LOOKAT_TARGET_CLEAR,
LOOKAT_NUM_TARGETS
} ELookAtType;
class LLHUDEffectLookAt : public LLHUDEffect
{
public:
friend class LLHUDObject;
/*virtual*/ void markDead();
/*virtual*/ void setSourceObject(LLViewerObject* objectp);
BOOL setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position);
void clearLookAtTarget();
ELookAtType getLookAtType() { return mTargetType; }
const LLVector3& getTargetPos() { return mTargetPos; }
const LLVector3d& getTargetOffset() { return mTargetOffsetGlobal; }
bool calcTargetPosition();
protected:
LLHUDEffectLookAt(const U8 type);
~LLHUDEffectLookAt();
/*virtual*/ void update();
/*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);
public:
static BOOL sDebugLookAt;
private:
ELookAtType mTargetType;
LLVector3d mTargetOffsetGlobal;
LLVector3 mLastSentOffsetGlobal;
F32 mKillTime;
LLFrameTimer mTimer;
LLVector3 mTargetPos;
F32 mLastSendTime;
LLAttentionSet* mAttentions;
};
#endif // LL_LLHUDEFFECTLOOKAT_H
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