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/**
* @file llhudicon.h
* @brief LLHUDIcon class definition
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2009, 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_LLHUDICON_H
#define LL_LLHUDICON_H
#include "llmemory.h"
#include "lldarrayptr.h"
#include "llhudobject.h"
#include "v4color.h"
#include "v4coloru.h"
#include "v2math.h"
#include "llrect.h"
#include "llframetimer.h"
#include "llfontgl.h"
#include <set>
#include <vector>
#include "lldarray.h"
// Renders a 2D icon billboard floating at the location specified.
class LLDrawable;
class LLViewerObject;
class LLHUDIcon : public LLHUDObject
{
friend class LLHUDObject;
public:
/*virtual*/ void render();
/*virtual*/ void renderForSelect();
/*virtual*/ void markDead();
/*virtual*/ F32 getDistance() const { return mDistance; }
void setImage(LLViewerImage* imagep);
void setScale(F32 fraction_of_fov);
void restartLifeTimer() { mLifeTimer.reset(); }
static S32 generatePickIDs(S32 start_id, S32 step_size);
static LLHUDIcon* handlePick(S32 pick_id);
static void updateAll();
static void cleanupDeadIcons();
static S32 getNumInstances();
static BOOL iconsNearby();
BOOL getHidden() const { return mHidden; }
void setHidden( BOOL hide ) { mHidden = hide; }
protected:
LLHUDIcon(const U8 type);
~LLHUDIcon();
void renderIcon(BOOL for_select); // common render code
private:
LLPointer<LLViewerImage> mImagep;
LLFrameTimer mAnimTimer;
LLFrameTimer mLifeTimer;
F32 mDistance;
S32 mPickID;
F32 mScale;
BOOL mHidden;
typedef std::vector<LLPointer<LLHUDIcon> > icon_instance_t;
static icon_instance_t sIconInstances;
};
#endif // LL_LLHUDICON_H
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