llhudicon.h
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- /**
- * @file llhudicon.h
- * @brief LLHUDIcon class definition
- *
- * $LicenseInfo:firstyear=2006&license=viewergpl$
- *
- * Copyright (c) 2006-2010, 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 "llpointer.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(LLViewerTexture* 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 LLHUDIcon* lineSegmentIntersectAll(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
- static void updateAll();
- static void cleanupDeadIcons();
- static S32 getNumInstances();
- static BOOL iconsNearby();
- BOOL getHidden() const { return mHidden; }
- void setHidden( BOOL hide ) { mHidden = hide; }
- BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3* intersection);
- protected:
- LLHUDIcon(const U8 type);
- ~LLHUDIcon();
- void renderIcon(BOOL for_select); // common render code
- private:
- LLPointer<LLViewerTexture> 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