aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/linden/indra/newview/llhudicon.h
blob: 53837d17c1f8f5a03ac554b592ab92e05b8bc4b0 (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
/** 
 * @file llhudicon.h
 * @brief LLHUDIcon class definition
 *
 * Copyright (c) 2006-2007, Linden Research, Inc.
 * 
 * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
 */

#ifndef LL_LLHUDICON_H
#define LL_LLHUDICON_H

#include "llmemory.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(LLViewerImage* 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 void updateAll();
	static void cleanupDeadIcons();
	static S32 getNumInstances();

	static BOOL iconsNearby();

protected:
	LLHUDIcon(const U8 type);
	~LLHUDIcon();

	void renderIcon(BOOL for_select); // common render code

private:
	LLPointer<LLViewerImage> mImagep;
	LLFrameTimer	mAnimTimer;
	LLFrameTimer	mLifeTimer;
	F32				mDistance;
	S32				mPickID;
	F32				mScale;

	typedef std::vector<LLPointer<LLHUDIcon> > icon_instance_t;
	static icon_instance_t sIconInstances;
};

#endif // LL_LLHUDICON_H