104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
/**
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* @file llhudicon.h
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* @brief LLHUDIcon class definition
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*
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* $LicenseInfo:firstyear=2006&license=viewergpl$
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*
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* Copyright (c) 2006-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLHUDICON_H
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#define LL_LLHUDICON_H
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#include "llpointer.h"
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#include "lldarrayptr.h"
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#include "llhudobject.h"
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#include "v4color.h"
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#include "v4coloru.h"
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#include "v2math.h"
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#include "llrect.h"
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#include "llframetimer.h"
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#include "llfontgl.h"
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#include <set>
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#include <vector>
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#include "lldarray.h"
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// Renders a 2D icon billboard floating at the location specified.
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class LLDrawable;
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class LLViewerObject;
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class LLViewerTexture;
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class LLHUDIcon : public LLHUDObject
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{
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friend class LLHUDObject;
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public:
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/*virtual*/ void render();
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/*virtual*/ void markDead();
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/*virtual*/ F32 getDistance() const { return mDistance; }
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void setImage(LLViewerTexture* imagep);
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void setScale(F32 fraction_of_fov);
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void restartLifeTimer() { mLifeTimer.reset(); }
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static S32 generatePickIDs(S32 start_id, S32 step_size);
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static LLHUDIcon* handlePick(S32 pick_id);
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static LLHUDIcon* lineSegmentIntersectAll(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
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static void updateAll();
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static void cleanupDeadIcons();
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static S32 getNumInstances();
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static BOOL iconsNearby();
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BOOL getHidden() const { return mHidden; }
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void setHidden( BOOL hide ) { mHidden = hide; }
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BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
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protected:
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LLHUDIcon(const U8 type);
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~LLHUDIcon();
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void renderIcon(BOOL for_select); // common render code
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private:
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LLPointer<LLViewerTexture> mImagep;
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LLFrameTimer mAnimTimer;
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LLFrameTimer mLifeTimer;
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F32 mDistance;
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S32 mPickID;
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F32 mScale;
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BOOL mHidden;
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typedef std::vector<LLPointer<LLHUDIcon> > icon_instance_t;
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static icon_instance_t sIconInstances;
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};
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#endif // LL_LLHUDICON_H
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