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/**
* @file llviewerjointattachment.h
* @brief Implementation of LLViewerJointAttachment class
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* 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.
* $/LicenseInfo$
*/
#ifndef LL_LLVIEWERJOINTATTACHMENT_H
#define LL_LLVIEWERJOINTATTACHMENT_H
//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "llviewerjoint.h"
#include "llstring.h"
#include "lluuid.h"
class LLDrawable;
class LLViewerObject;
//-----------------------------------------------------------------------------
// class LLViewerJointAttachment
//-----------------------------------------------------------------------------
class LLViewerJointAttachment :
public LLViewerJoint
{
public:
LLViewerJointAttachment();
virtual ~LLViewerJointAttachment();
//virtual U32 render( F32 pixelArea ); // Returns triangle count
// Returns true if this object is transparent.
// This is used to determine in which order to draw objects.
/*virtual*/ BOOL isTransparent();
// Draws the shape attached to a joint.
// Called by render().
/*virtual*/ U32 drawShape( F32 pixelArea, BOOL first_pass );
/*virtual*/ BOOL updateLOD(F32 pixel_area, BOOL activate);
//
// accessors
//
void setJoint (LLJoint* joint) { mJoint = joint; }
void setPieSlice(S32 pie_slice) { mPieSlice = pie_slice; }
void setVisibleInFirstPerson(BOOL visibility) { mVisibleInFirst = visibility; }
BOOL getVisibleInFirstPerson() { return mVisibleInFirst; }
void setGroup(S32 group) { mGroup = group; }
void setOriginalPosition(LLVector3 &position);
void setAttachmentVisibility(BOOL visible);
void setIsHUDAttachment(BOOL is_hud) { mIsHUDAttachment = is_hud; }
BOOL getIsHUDAttachment() { return mIsHUDAttachment; }
BOOL isAnimatable() { return FALSE; }
S32 getGroup() { return mGroup; }
S32 getPieSlice() { return mPieSlice; }
BOOL getAttachmentDirty() { return mAttachmentDirty && mAttachedObject; }
LLViewerObject *getObject() { return mAttachedObject; }
S32 getNumObjects() { return (mAttachedObject ? 1 : 0); }
const LLUUID& getItemID() { return mItemID; }
//
// unique methods
//
BOOL addObject(LLViewerObject* object);
void removeObject(LLViewerObject *object);
void lazyAttach();
void setupDrawable(LLDrawable* drawable);
void clampObjectPosition();
protected:
void calcLOD();
protected:
LLJoint* mJoint;
// Backlink only; don't make this an LLPointer.
LLViewerObject* mAttachedObject;
BOOL mAttachmentDirty; // does attachment drawable need to be fixed up?
BOOL mVisibleInFirst;
LLVector3 mOriginalPos;
S32 mGroup;
BOOL mIsHUDAttachment;
S32 mPieSlice;
LLUUID mItemID; // Inventory item id of the attached item (null if not in inventory)
};
#endif // LL_LLVIEWERJOINTATTACHMENT_H
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