summaryrefslogtreecommitdiff
path: root/indra/newview/llhudnametag.h
blob: 72647d5b262dbd7c952f74f63909932f23b7d644 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/** 
 * @file llhudnametag.h
 * @brief Name tags for avatars
 * @author James Cook
 *
 * $LicenseInfo:firstyear=2010&license=viewerlgpl$
 * 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 LLHUDNAMETAG_H
#define LLHUDNAMETAG_H

#include "llpointer.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>

class LLDrawable;
class LLHUDNameTag;

struct llhudnametag_further_away
{
	bool operator()(const LLPointer<LLHUDNameTag>& lhs, const LLPointer<LLHUDNameTag>& rhs) const;
};

class LLHUDNameTag : public LLHUDObject
{
protected:
	class LLHUDTextSegment
	{
	public:
		LLHUDTextSegment(const LLWString& text, const LLFontGL::StyleFlags style, const LLColor4& color, const LLFontGL* font)
		:	mColor(color),
			mStyle(style),
			mText(text),
			mFont(font)
		{}
		F32 getWidth(const LLFontGL* font);
		const LLWString& getText() const { return mText; }
		void clearFontWidthMap() { mFontWidthMap.clear(); }
		
		LLColor4				mColor;
		LLFontGL::StyleFlags	mStyle;
		const LLFontGL*			mFont;
	private:
		LLWString				mText;
		std::map<const LLFontGL*, F32> mFontWidthMap;
	};

public:
	typedef enum e_text_alignment
	{
		ALIGN_TEXT_LEFT,
		ALIGN_TEXT_CENTER
	} ETextAlignment;

	typedef enum e_vert_alignment
	{
		ALIGN_VERT_TOP,
		ALIGN_VERT_CENTER
	} EVertAlignment;

public:
	// Set entire string, eliminating existing lines
	void setString(const std::string& text_utf8);

	void clearString();

	// Add text a line at a time, allowing custom formatting
	void addLine(const std::string &text_utf8, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL, const LLFontGL* font = NULL);

	// For bubble chat, set the part above the chat text
	void setLabel(const std::string& label_utf8);
	void addLabel(const std::string& label_utf8);

	// Sets the default font for lines with no font specified
	void setFont(const LLFontGL* font);
	void setColor(const LLColor4 &color);
	void setAlpha(F32 alpha);
	void setZCompare(const BOOL zcompare);
	void setDoFade(const BOOL do_fade);
	void setVisibleOffScreen(BOOL visible) { mVisibleOffScreen = visible; }
	
	// mMaxLines of -1 means unlimited lines.
	void setMaxLines(S32 max_lines) { mMaxLines = max_lines; }
	void setFadeDistance(F32 fade_distance, F32 fade_range) { mFadeDistance = fade_distance; mFadeRange = fade_range; }
	void updateVisibility();
	LLVector2 updateScreenPos(LLVector2 &offset_target);
	void updateSize();
//	void setMass(F32 mass) { mMass = llmax(0.1f, mass); }
	void setTextAlignment(ETextAlignment alignment) { mTextAlignment = alignment; }
	void setVertAlignment(EVertAlignment alignment) { mVertAlignment = alignment; }
	/*virtual*/ void markDead();
	friend class LLHUDObject;
	/*virtual*/ F32 getDistance() const { return mLastDistance; }
	S32  getLOD() { return mLOD; }
	BOOL getVisible() { return mVisible; }
	BOOL getHidden() const { return mHidden; }
	void setHidden( BOOL hide ) { mHidden = hide; }
	void shift(const LLVector3& offset);

	BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3& intersection, BOOL debug_render = FALSE);

	static void shiftAll(const LLVector3& offset);
	static void addPickable(std::set<LLViewerObject*> &pick_list);
	static void reshape();
	static void setDisplayText(BOOL flag) { sDisplayText = flag ; }

protected:
	LLHUDNameTag(const U8 type);

	/*virtual*/ void render();
	void renderText(BOOL for_select);
	static void updateAll();
	void setLOD(S32 lod);
	S32 getMaxLines();

private:
	~LLHUDNameTag();
	BOOL			mDoFade;
	F32				mFadeRange;
	F32				mFadeDistance;
	F32				mLastDistance;
	BOOL			mZCompare;
	BOOL			mVisibleOffScreen;
	BOOL			mOffscreen;
	LLColor4		mColor;
//	LLVector3		mScale;
	F32				mWidth;
	F32				mHeight;
//	LLColor4U		mPickColor;
	const LLFontGL*	mFontp;
	const LLFontGL*	mBoldFontp;
	LLRectf			mSoftScreenRect;
	LLVector3		mPositionAgent;
	LLVector2		mPositionOffset;
	LLVector2		mTargetPositionOffset;
	F32				mMass;
	S32				mMaxLines;
	S32				mOffsetY;
	F32				mRadius;
	std::vector<LLHUDTextSegment> mTextSegments;
	std::vector<LLHUDTextSegment> mLabelSegments;
//	LLFrameTimer	mResizeTimer;
	ETextAlignment	mTextAlignment;
	EVertAlignment	mVertAlignment;
	S32				mLOD;
	BOOL			mHidden;

	static BOOL    sDisplayText ;
	static std::set<LLPointer<LLHUDNameTag> > sTextObjects;
	static std::vector<LLPointer<LLHUDNameTag> > sVisibleTextObjects;
//	static std::vector<LLPointer<LLHUDNameTag> > sVisibleHUDTextObjects;
	typedef std::set<LLPointer<LLHUDNameTag> >::iterator TextObjectIterator;
	typedef std::vector<LLPointer<LLHUDNameTag> >::iterator VisibleTextObjectIterator;
};

#endif