203 lines
6.6 KiB
C++
203 lines
6.6 KiB
C++
/**
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* @file llhudtext.h
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* @brief LLHUDText class definition
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*
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* $LicenseInfo:firstyear=2002&license=viewergpl$
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*
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* Copyright (c) 2002-2009, 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_LLHUDTEXT_H
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#define LL_LLHUDTEXT_H
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#include "llmemory.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 text billboard floating at the location specified.
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class LLDrawable;
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class LLHUDText;
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struct lltextobject_further_away
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{
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bool operator()(const LLPointer<LLHUDText>& lhs, const LLPointer<LLHUDText>& rhs) const;
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};
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class LLHUDText : public LLHUDObject
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{
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protected:
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class LLHUDTextSegment
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{
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public:
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LLHUDTextSegment(const LLWString& text, const LLFontGL::StyleFlags style, const LLColor4& color, const LLFontGL* font)
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: mColor(color), mStyle(style), mText(text), mFont(font) {}
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F32 getWidth(const LLFontGL* font);
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const LLWString& getText() const { return mText; };
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void clearFontWidthMap() { mFontWidthMap.clear(); }
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LLColor4 mColor;
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LLFontGL::StyleFlags mStyle;
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const LLFontGL* mFont;
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private:
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LLWString mText;
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std::map<const LLFontGL*, F32> mFontWidthMap;
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};
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public:
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typedef enum e_text_alignment
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{
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ALIGN_TEXT_LEFT,
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ALIGN_TEXT_CENTER
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} ETextAlignment;
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typedef enum e_vert_alignment
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{
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ALIGN_VERT_TOP,
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ALIGN_VERT_CENTER
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} EVertAlignment;
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public:
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void setStringUTF8(const std::string &utf8string);
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void setString(const LLWString &wstring);
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void clearString();
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void addLine(const std::string &text, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL, const LLFontGL* font = NULL);
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void addLine(const LLWString &wtext, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL, const LLFontGL* font = NULL);
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void setLabel(const std::string &label);
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void setLabel(const LLWString &label);
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void addLabel(const LLWString &label);
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void setDropShadow(const BOOL do_shadow);
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void setFont(const LLFontGL* font);
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void setColor(const LLColor4 &color);
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void setAlpha(F32 alpha);
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void setUsePixelSize(const BOOL use_pixel_size);
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void setZCompare(const BOOL zcompare);
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void setDoFade(const BOOL do_fade);
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void setVisibleOffScreen(BOOL visible) { mVisibleOffScreen = visible; }
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// <edit>
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std::string getStringUTF8();
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// </edit>
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// mMaxLines of -1 means unlimited lines.
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void setMaxLines(S32 max_lines) { mMaxLines = max_lines; }
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void setFadeDistance(F32 fade_distance, F32 fade_range) { mFadeDistance = fade_distance; mFadeRange = fade_range; }
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void updateVisibility();
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LLVector2 updateScreenPos(LLVector2 &offset_target);
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void updateSize();
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void setMass(F32 mass) { mMass = llmax(0.1f, mass); }
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void setTextAlignment(ETextAlignment alignment) { mTextAlignment = alignment; }
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void setVertAlignment(EVertAlignment alignment) { mVertAlignment = alignment; }
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/*virtual*/ void markDead();
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friend class LLHUDObject;
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/*virtual*/ F32 getDistance() const { return mLastDistance; }
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void setUseBubble(BOOL use_bubble) { mUseBubble = use_bubble; }
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S32 getLOD() { return mLOD; }
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BOOL getVisible() { return mVisible; }
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BOOL getHidden() const { return mHidden; }
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void setHidden( BOOL hide ) { mHidden = hide; }
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void setOnHUDAttachment(BOOL on_hud) { mOnHUDAttachment = on_hud; }
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void shift(const LLVector3& offset);
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BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3& intersection, BOOL debug_render = FALSE);
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static void shiftAll(const LLVector3& offset);
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static void renderAllHUD();
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static void addPickable(std::set<LLViewerObject*> &pick_list);
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static void reshape();
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static void setDisplayText(BOOL flag) { sDisplayText = flag ; }
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// [RLVa:KB] - Checked: 2009-07-09 (RLVa-1.0.0f) | Added: RLVa-1.0.0f
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const std::string& getObjectText() const { return mObjText; }
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void setObjectText(const std::string &utf8string) { mObjText = utf8string; }
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static void refreshAllObjectText();
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// [/RLVa:KB]
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protected:
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LLHUDText(const U8 type);
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/*virtual*/ void render();
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/*virtual*/ void renderForSelect();
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void renderText(BOOL for_select);
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static void updateAll();
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void setLOD(S32 lod);
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S32 getMaxLines();
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private:
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~LLHUDText();
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BOOL mOnHUD;
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BOOL mUseBubble;
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BOOL mDropShadow;
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BOOL mDoFade;
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F32 mFadeRange;
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F32 mFadeDistance;
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F32 mLastDistance;
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BOOL mUsePixelSize;
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BOOL mZCompare;
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BOOL mVisibleOffScreen;
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BOOL mOffscreen;
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LLColor4 mColor;
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LLVector3 mScale;
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F32 mWidth;
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F32 mHeight;
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LLColor4U mPickColor;
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const LLFontGL* mFontp;
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const LLFontGL* mBoldFontp;
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LLRectf mSoftScreenRect;
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LLVector3 mPositionAgent;
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LLVector2 mPositionOffset;
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LLVector2 mTargetPositionOffset;
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F32 mMass;
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S32 mMaxLines;
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S32 mOffsetY;
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F32 mRadius;
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std::vector<LLHUDTextSegment> mTextSegments;
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std::vector<LLHUDTextSegment> mLabelSegments;
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LLFrameTimer mResizeTimer;
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ETextAlignment mTextAlignment;
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EVertAlignment mVertAlignment;
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S32 mLOD;
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BOOL mHidden;
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// [RLVa:KB] - Checked: 2009-07-09 (RLVa-1.0.0f) | Added: RLVa-1.0.0f
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std::string mObjText;
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// [/RLVa:KB]
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static BOOL sDisplayText ;
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static std::set<LLPointer<LLHUDText> > sTextObjects;
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static std::vector<LLPointer<LLHUDText> > sVisibleTextObjects;
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static std::vector<LLPointer<LLHUDText> > sVisibleHUDTextObjects;
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typedef std::set<LLPointer<LLHUDText> >::iterator TextObjectIterator;
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typedef std::vector<LLPointer<LLHUDText> >::iterator VisibleTextObjectIterator;
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};
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#endif // LL_LLHUDTEXT_H
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