/** * @file llhudicon.h * @brief LLHUDIcon class definition * * $LicenseInfo:firstyear=2006&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #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 LLViewerTexture; 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