/** * @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 "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