summaryrefslogtreecommitdiff
path: root/indra/newview/llselectmgr.h
blob: 066adf0c10ff26d01f52f0ecc73e4c49b5b84ea8 (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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
/** 
 * @file llselectmgr.h
 * @brief A manager for selected objects and TEs.
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, 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_LLSELECTMGR_H
#define LL_LLSELECTMGR_H

#include "llcharacter.h"
#include "lleditmenuhandler.h"
#include "llundo.h"
#include "lluuid.h"
#include "llpointer.h"
#include "llsafehandle.h"
#include "llsaleinfo.h"
#include "llcategory.h"
#include "v3dmath.h"
#include "llquaternion.h"
#include "llcoord.h"
#include "llframetimer.h"
#include "llbbox.h"
#include "llpermissions.h"
#include "llcontrol.h"
#include "llviewerobject.h"	// LLObjectSelection::getSelectedTEValue template

#include <deque>
#include <boost/iterator/filter_iterator.hpp>
#include <boost/signals2.hpp>

class LLMessageSystem;
class LLViewerTexture;
class LLColor4;
class LLVector3;
class LLSelectNode;

const S32 SELECT_ALL_TES = -1;
const S32 SELECT_MAX_TES = 32;

// Do something to all objects in the selection manager.
// The BOOL return value can be used to indicate if all
// objects are identical (gathering information) or if
// the operation was successful.
struct LLSelectedObjectFunctor
{
	virtual ~LLSelectedObjectFunctor() {};
	virtual bool apply(LLViewerObject* object) = 0;
};

// Do something to all select nodes in the selection manager.
// The BOOL return value can be used to indicate if all
// objects are identical (gathering information) or if
// the operation was successful.
struct LLSelectedNodeFunctor
{
	virtual ~LLSelectedNodeFunctor() {};
	virtual bool apply(LLSelectNode* node) = 0;
};

struct LLSelectedTEFunctor
{
	virtual ~LLSelectedTEFunctor() {};
	virtual bool apply(LLViewerObject* object, S32 face) = 0;
};

template <typename T> struct LLSelectedTEGetFunctor
{
	virtual ~LLSelectedTEGetFunctor() {};
	virtual T get(LLViewerObject* object, S32 te) = 0;
};

typedef enum e_send_type
{
	SEND_ONLY_ROOTS,
	SEND_INDIVIDUALS,
	SEND_ROOTS_FIRST, // useful for serial undos on linked sets
	SEND_CHILDREN_FIRST // useful for serial transforms of linked sets
} ESendType;

typedef enum e_grid_mode
{
	GRID_MODE_WORLD,
	GRID_MODE_LOCAL,
	GRID_MODE_REF_OBJECT
} EGridMode;

typedef enum e_action_type
{
	SELECT_ACTION_TYPE_BEGIN,
	SELECT_ACTION_TYPE_PICK,
	SELECT_ACTION_TYPE_MOVE,
	SELECT_ACTION_TYPE_ROTATE,
	SELECT_ACTION_TYPE_SCALE,
	NUM_ACTION_TYPES
}EActionType;

typedef enum e_selection_type
{
	SELECT_TYPE_WORLD,
	SELECT_TYPE_ATTACHMENT,
	SELECT_TYPE_HUD
}ESelectType;

// Contains information about a selected object, particularly which TEs are selected.
class LLSelectNode
{
public:
	LLSelectNode(LLViewerObject* object, BOOL do_glow);
	LLSelectNode(const LLSelectNode& nodep);
	~LLSelectNode();

	void selectAllTEs(BOOL b);
	void selectTE(S32 te_index, BOOL selected);
	BOOL isTESelected(S32 te_index);
	S32 getLastSelectedTE();
	S32 getTESelectMask() { return mTESelectMask; }
	void renderOneWireframe(const LLColor4& color);
	void renderOneSilhouette(const LLColor4 &color);
	void setTransient(BOOL transient) { mTransient = transient; }
	BOOL isTransient() { return mTransient; }
	LLViewerObject* getObject();
	void setObject(LLViewerObject* object);
	// *NOTE: invalidate stored textures and colors when # faces change
	void saveColors();
	void saveTextures(const std::vector<LLUUID>& textures);
	void saveTextureScaleRatios();

	BOOL allowOperationOnNode(PermissionBit op, U64 group_proxy_power) const;

public:
	BOOL			mIndividualSelection;		// For root objects and objects individually selected

	BOOL			mTransient;
	BOOL			mValid;				// is extra information valid?
	LLPermissions*	mPermissions;
	LLSaleInfo		mSaleInfo;
	LLAggregatePermissions mAggregatePerm;
	LLAggregatePermissions mAggregateTexturePerm;
	LLAggregatePermissions mAggregateTexturePermOwner;
	std::string		mName;
	std::string		mDescription;
	LLCategory		mCategory;
	S16				mInventorySerial;
	LLVector3		mSavedPositionLocal;	// for interactively modifying object position
	LLVector3		mLastPositionLocal;
	LLVector3d		mSavedPositionGlobal;	// for interactively modifying object position
	LLVector3		mSavedScale;			// for interactively modifying object scale
	LLVector3		mLastScale;
	LLQuaternion	mSavedRotation;			// for interactively modifying object rotation
	LLQuaternion	mLastRotation;
	BOOL			mDuplicated;
	LLVector3d		mDuplicatePos;
	LLQuaternion	mDuplicateRot;
	LLUUID			mItemID;
	LLUUID			mFolderID;
	LLUUID			mFromTaskID;
	std::string		mTouchName;
	std::string		mSitName;
	U64				mCreationDate;
	std::vector<LLColor4>	mSavedColors;
	std::vector<LLUUID>		mSavedTextures;
	std::vector<LLVector3>  mTextureScaleRatios;
	std::vector<LLVector3>	mSilhouetteVertices;	// array of vertices to render silhouette of object
	std::vector<LLVector3>	mSilhouetteNormals;	// array of normals to render silhouette of object
	std::vector<S32>		mSilhouetteSegments;	// array of normals to render silhouette of object
	BOOL					mSilhouetteExists;	// need to generate silhouette?

protected:
	LLPointer<LLViewerObject>	mObject;
	S32				mTESelectMask;
	S32				mLastTESelected;
};

class LLObjectSelection : public LLRefCount
{
	friend class LLSelectMgr;

protected:
	~LLObjectSelection();

public:
	typedef std::list<LLSelectNode*> list_t;

	// Iterators
	struct is_non_null
	{
		bool operator()(LLSelectNode* node)
		{
			return (node->getObject() != NULL);
		}
	};
	typedef boost::filter_iterator<is_non_null, list_t::iterator > iterator;
	iterator begin() { return iterator(mList.begin(), mList.end()); }
	iterator end() { return iterator(mList.end(), mList.end()); }

	struct is_valid
	{
		bool operator()(LLSelectNode* node)
		{
			return (node->getObject() != NULL) && node->mValid;
		}
	};
	typedef boost::filter_iterator<is_valid, list_t::iterator > valid_iterator;
	valid_iterator valid_begin() { return valid_iterator(mList.begin(), mList.end()); }
	valid_iterator valid_end() { return valid_iterator(mList.end(), mList.end()); }

	struct is_root
	{
		bool operator()(LLSelectNode* node);
	};
	typedef boost::filter_iterator<is_root, list_t::iterator > root_iterator;
	root_iterator root_begin() { return root_iterator(mList.begin(), mList.end()); }
	root_iterator root_end() { return root_iterator(mList.end(), mList.end()); }
	
	struct is_valid_root
	{
		bool operator()(LLSelectNode* node);
	};
	typedef boost::filter_iterator<is_root, list_t::iterator > valid_root_iterator;
	valid_root_iterator valid_root_begin() { return valid_root_iterator(mList.begin(), mList.end()); }
	valid_root_iterator valid_root_end() { return valid_root_iterator(mList.end(), mList.end()); }
	
	struct is_root_object
	{
		bool operator()(LLSelectNode* node);
	};
	typedef boost::filter_iterator<is_root_object, list_t::iterator > root_object_iterator;
	root_object_iterator root_object_begin() { return root_object_iterator(mList.begin(), mList.end()); }
	root_object_iterator root_object_end() { return root_object_iterator(mList.end(), mList.end()); }
	
public:
	LLObjectSelection();

	void updateEffects();
	void cleanupNodes();

	BOOL isEmpty() const;

	LLSelectNode*	getFirstNode(LLSelectedNodeFunctor* func = NULL);
	LLSelectNode*	getFirstRootNode(LLSelectedNodeFunctor* func = NULL, BOOL non_root_ok = FALSE);
	LLViewerObject* getFirstSelectedObject(LLSelectedNodeFunctor* func, BOOL get_parent = FALSE);
	LLViewerObject*	getFirstObject();
	LLViewerObject*	getFirstRootObject(BOOL non_root_ok = FALSE);
	
	LLSelectNode*	getFirstMoveableNode(BOOL get_root_first = FALSE);

	LLViewerObject*	getFirstEditableObject(BOOL get_parent = FALSE);
	LLViewerObject*	getFirstCopyableObject(BOOL get_parent = FALSE);
	LLViewerObject* getFirstDeleteableObject();
	LLViewerObject*	getFirstMoveableObject(BOOL get_parent = FALSE);

	/// Return the object that lead to this selection, possible a child
	LLViewerObject* getPrimaryObject() { return mPrimaryObject; }

	// iterate through texture entries
	template <typename T> bool getSelectedTEValue(LLSelectedTEGetFunctor<T>* func, T& res);
	template <typename T> bool isMultipleTEValue(LLSelectedTEGetFunctor<T>* func, const T& ignore_value);
	
	void addNode(LLSelectNode *nodep);
	void addNodeAtEnd(LLSelectNode *nodep);
	void moveNodeToFront(LLSelectNode *nodep);
	void removeNode(LLSelectNode *nodep);
	void deleteAllNodes();			// Delete all nodes
	S32 getNumNodes();
	LLSelectNode* findNode(LLViewerObject* objectp);

	// count members
	S32 getObjectCount(BOOL mesh_adjust = FALSE);
	S32 getTECount();
	S32 getRootObjectCount();

	BOOL isMultipleTESelected();
	BOOL contains(LLViewerObject* object);
	BOOL contains(LLViewerObject* object, S32 te);

	// returns TRUE is any node is currenly worn as an attachment
	BOOL isAttachment();

	// Apply functors to various subsets of the selected objects
	// If firstonly is FALSE, returns the AND of all apply() calls.
	// Else returns TRUE immediately if any apply() call succeeds (i.e. OR with early exit)
	bool applyToRootObjects(LLSelectedObjectFunctor* func, bool firstonly = false);
	bool applyToObjects(LLSelectedObjectFunctor* func);
	bool applyToTEs(LLSelectedTEFunctor* func, bool firstonly = false);
	bool applyToRootNodes(LLSelectedNodeFunctor* func, bool firstonly = false);
	bool applyToNodes(LLSelectedNodeFunctor* func, bool firstonly = false);

	ESelectType getSelectType() const { return mSelectType; }

private:
	list_t mList;
	const LLObjectSelection &operator=(const LLObjectSelection &);

	LLPointer<LLViewerObject> mPrimaryObject;
	std::map<LLPointer<LLViewerObject>, LLSelectNode*> mSelectNodeMap;
	ESelectType mSelectType;
};

typedef LLSafeHandle<LLObjectSelection> LLObjectSelectionHandle;

// Build time optimization, generate this once in .cpp file
#ifndef LLSELECTMGR_CPP
extern template class LLSelectMgr* LLSingleton<class LLSelectMgr>::getInstance();
#endif

class LLSelectMgr : public LLEditMenuHandler, public LLSingleton<LLSelectMgr>
{
public:
	static BOOL					sRectSelectInclusive;	// do we need to surround an object to pick it?
	static BOOL					sRenderHiddenSelections;	// do we show selection silhouettes that are occluded?
	static BOOL					sRenderLightRadius;	// do we show the radius of selected lights?

	static F32					sHighlightThickness;
	static F32					sHighlightUScale;
	static F32					sHighlightVScale;
	static F32					sHighlightAlpha;
	static F32					sHighlightAlphaTest;
	static F32					sHighlightUAnim;
	static F32					sHighlightVAnim;
	static LLColor4				sSilhouetteParentColor;
	static LLColor4				sSilhouetteChildColor;
	static LLColor4				sHighlightParentColor;
	static LLColor4				sHighlightChildColor;
	static LLColor4				sHighlightInspectColor;
	static LLColor4				sContextSilhouetteColor;

	LLCachedControl<bool>					mHideSelectedObjects;
	LLCachedControl<bool>					mAllowSelectAvatar;
	LLCachedControl<bool>					mDebugSelectMgr;

public:
	LLSelectMgr();
	~LLSelectMgr();

	static void cleanupGlobals();

	// LLEditMenuHandler interface
	virtual BOOL canUndo() const;
	virtual void undo();

	virtual BOOL canRedo() const;
	virtual void redo();

	virtual BOOL canDoDelete() const;
	virtual void doDelete();

	virtual void deselect();
	virtual BOOL canDeselect() const;

	virtual void duplicate();
	virtual BOOL canDuplicate() const;

	void clearSelections();
	void update();
	void updateEffects(); // Update HUD effects
	void overrideObjectUpdates();

	// Returns the previous value of mForceSelection
	BOOL setForceSelection(BOOL force);

	////////////////////////////////////////////////////////////////
	// Selection methods
	////////////////////////////////////////////////////////////////

	////////////////////////////////////////////////////////////////
	// Add
	////////////////////////////////////////////////////////////////

	// This method is meant to select an object, and then select all
	// of the ancestors and descendants. This should be the normal behavior.
	//
	// *NOTE: You must hold on to the object selection handle, otherwise
	// the objects will be automatically deselected in 1 frame.
	LLObjectSelectionHandle selectObjectAndFamily(LLViewerObject* object, BOOL add_to_end = FALSE);

	// For when you want just a child object.
	LLObjectSelectionHandle selectObjectOnly(LLViewerObject* object, S32 face = SELECT_ALL_TES);

	// Same as above, but takes a list of objects.  Used by rectangle select.
	LLObjectSelectionHandle selectObjectAndFamily(const std::vector<LLViewerObject*>& object_list, BOOL send_to_sim = TRUE);

	// converts all objects currently highlighted to a selection, and returns it
	LLObjectSelectionHandle selectHighlightedObjects();

	LLObjectSelectionHandle setHoverObject(LLViewerObject *objectp, S32 face = -1);
	LLSelectNode *getHoverNode();
	LLSelectNode *getPrimaryHoverNode();

	void highlightObjectOnly(LLViewerObject *objectp);
	void highlightObjectAndFamily(LLViewerObject *objectp);
	void highlightObjectAndFamily(const std::vector<LLViewerObject*>& list);

	////////////////////////////////////////////////////////////////
	// Remove
	////////////////////////////////////////////////////////////////

	void deselectObjectOnly(LLViewerObject* object, BOOL send_to_sim = TRUE);
	void deselectObjectAndFamily(LLViewerObject* object, BOOL send_to_sim = TRUE, BOOL include_entire_object = FALSE);

	// Send deselect messages to simulator, then clear the list
	void deselectAll();
	void deselectAllForStandingUp();

	// deselect only if nothing else currently referencing the selection
	void deselectUnused();

	// Deselect if the selection center is too far away from the agent.
	void deselectAllIfTooFar();

	// Removes all highlighted objects from current selection
	void deselectHighlightedObjects();

	void unhighlightObjectOnly(LLViewerObject *objectp);
	void unhighlightObjectAndFamily(LLViewerObject *objectp);
	void unhighlightAll();

	BOOL removeObjectFromSelections(const LLUUID &id);

	////////////////////////////////////////////////////////////////
	// Selection accessors
	////////////////////////////////////////////////////////////////
	LLObjectSelectionHandle	getSelection() { return mSelectedObjects; }
	// right now this just renders the selection with root/child colors instead of a single color
	LLObjectSelectionHandle	getEditSelection() { convertTransient(); return mSelectedObjects; }
	LLObjectSelectionHandle	getHighlightedObjects() { return mHighlightedObjects; }

	////////////////////////////////////////////////////////////////
	// Grid manipulation
	////////////////////////////////////////////////////////////////
	void			addGridObject(LLViewerObject* objectp);
	void			clearGridObjects();
	void			setGridMode(EGridMode mode);
	EGridMode		getGridMode() { return mGridMode; }
	void			getGrid(LLVector3& origin, LLQuaternion& rotation, LLVector3 &scale);

	BOOL getTEMode()		{ return mTEMode; }
	void setTEMode(BOOL b)	{ mTEMode = b; }

	BOOL shouldShowSelection()	{ return mShowSelection; }

	LLBBox getBBoxOfSelection() const;
	LLBBox getSavedBBoxOfSelection() const { return mSavedSelectionBBox; }

	void dump();
	void cleanup();

	void updateSilhouettes();
	void renderSilhouettes(BOOL for_hud);
	void enableSilhouette(BOOL enable) { mRenderSilhouettes = enable; }
	
	////////////////////////////////////////////////////////////////
	// Utility functions that operate on the current selection
	////////////////////////////////////////////////////////////////
	void saveSelectedObjectTransform(EActionType action_type);
	void saveSelectedObjectColors();
	void saveSelectedObjectTextures();

	void selectionUpdatePhysics(BOOL use_physics);
	void selectionUpdateTemporary(BOOL is_temporary);
	void selectionUpdatePhantom(BOOL is_ghost);
	void selectionUpdateCastShadows(BOOL cast_shadows);
	void selectionDump();

	BOOL selectionAllPCode(LLPCode code);		// all objects have this PCode
	BOOL selectionGetClickAction(U8 *out_action);
	bool selectionGetIncludeInSearch(bool* include_in_search_out); // true if all selected objects have same
	BOOL selectionGetGlow(F32 *glow);

	void selectionSetMaterial(U8 material);
	void selectionSetImage(const LLUUID& imageid); // could be item or asset id
	void selectionSetColor(const LLColor4 &color);
	void selectionSetColorOnly(const LLColor4 &color); // Set only the RGB channels
	void selectionSetAlphaOnly(const F32 alpha); // Set only the alpha channel
	void selectionRevertColors();
	BOOL selectionRevertTextures();
	void selectionSetBumpmap( U8 bumpmap );
	void selectionSetTexGen( U8 texgen );
	void selectionSetShiny( U8 shiny );
	void selectionSetFullbright( U8 fullbright );
	void selectionSetMedia( U8 media_type );
	void selectionSetMediaData(const LLSD &media_data); // NOTE: modifies media_data!!!
	void selectionSetClickAction(U8 action);
	void selectionSetIncludeInSearch(bool include_in_search);
	void selectionSetGlow(const F32 glow);

	void selectionSetObjectPermissions(U8 perm_field, BOOL set, U32 perm_mask, BOOL override = FALSE);
	void selectionSetObjectName(const std::string& name);
	void selectionSetObjectDescription(const std::string& desc);
	void selectionSetObjectCategory(const LLCategory& category);
	void selectionSetObjectSaleInfo(const LLSaleInfo& sale_info);

	void selectionTexScaleAutofit(F32 repeats_per_meter);
	void adjustTexturesByScale(BOOL send_to_sim, BOOL stretch);

	void selectionResetRotation();				// sets rotation quat to identity
	void selectionRotateAroundZ(F32 degrees);
	bool selectionMove(const LLVector3& displ, F32 rx, F32 ry, F32 rz,
					   U32 update_type);
	void sendSelectionMove();

	void sendGodlikeRequest(const std::string& request, const std::string& parameter);


	// will make sure all selected object meet current criteria, or deselect them otherwise
	void validateSelection();

	// returns TRUE if it is possible to select this object
	BOOL canSelectObject(LLViewerObject* object);

	// Returns TRUE if the viewer has information on all selected objects
	BOOL selectGetAllRootsValid();
	BOOL selectGetAllValid();
	BOOL selectGetAllValidAndObjectsFound();

	// returns TRUE if you can modify all selected objects. 
	BOOL selectGetRootsModify();
	BOOL selectGetModify();

	// returns TRUE if selected objects can be transferred.
	BOOL selectGetRootsTransfer();

	// returns TRUE if selected objects can be copied.
	BOOL selectGetRootsCopy();
	
	BOOL selectGetCreator(LLUUID& id, std::string& name);					// TRUE if all have same creator, returns id
	BOOL selectGetOwner(LLUUID& id, std::string& name);					// TRUE if all objects have same owner, returns id
	BOOL selectGetLastOwner(LLUUID& id, std::string& name);				// TRUE if all objects have same owner, returns id

	// returns TRUE if all are the same. id is stuffed with
	// the value found if available.
	BOOL selectGetGroup(LLUUID& id); 
	BOOL selectGetPerm(	U8 which_perm, U32* mask_on, U32* mask_off);	// TRUE if all have data, returns two masks, each indicating which bits are all on and all off

	BOOL selectIsGroupOwned();											// TRUE if all root objects have valid data and are group owned.

	// returns TRUE if all the nodes are valid. Accumulates
	// permissions in the parameter.
	BOOL selectGetPermissions(LLPermissions& perm);
	
	// Get a bunch of useful sale information for the object(s) selected.
	// "_mixed" is true if not all objects have the same setting.
	void selectGetAggregateSaleInfo(U32 &num_for_sale,
									BOOL &is_for_sale_mixed, 
									BOOL &is_sale_price_mixed,
									S32 &total_sale_price,
									S32 &individual_sale_price);

	// returns TRUE if all nodes are valid. 
	BOOL selectGetCategory(LLCategory& category);
	
	// returns TRUE if all nodes are valid. method also stores an
	// accumulated sale info.
	BOOL selectGetSaleInfo(LLSaleInfo& sale_info);

	// returns TRUE if all nodes are valid. fills passed in object
	// with the aggregate permissions of the selection.
	BOOL selectGetAggregatePermissions(LLAggregatePermissions& ag_perm);

	// returns TRUE if all nodes are valid. fills passed in object
	// with the aggregate permissions for texture inventory items of the selection.
	BOOL selectGetAggregateTexturePermissions(LLAggregatePermissions& ag_perm);

	LLPermissions* findObjectPermissions(const LLViewerObject* object);

	void selectDelete();							// Delete on simulator
	void selectForceDelete();			// just delete, no into trash
	void selectDuplicate(const LLVector3& offset, BOOL select_copy);	// Duplicate on simulator
	void repeatDuplicate();
	void selectDuplicateOnRay(const LLVector3 &ray_start_region,
								const LLVector3 &ray_end_region,
								BOOL bypass_raycast,
								BOOL ray_end_is_intersection,
								const LLUUID &ray_target_id,
								BOOL copy_centers,
								BOOL copy_rotates,
								BOOL select_copy);

	void sendMultipleUpdate(U32 type);	// Position, rotation, scale all in one
	void sendOwner(const LLUUID& owner_id, const LLUUID& group_id, BOOL override = FALSE);
	void sendGroup(const LLUUID& group_id);

	// Category ID is the UUID of the folder you want to contain the purchase.
	// *NOTE: sale_info check doesn't work for multiple object buy,
	// which UI does not currently support sale info is used for
	// verification only, if it doesn't match region info then sale is
	// canceled
	void sendBuy(const LLUUID& buyer_id, const LLUUID& category_id, const LLSaleInfo sale_info);
	void sendAttach(U8 attachment_point);
	void sendDetach();
	void sendDropAttachment();
	void sendLink();
	void sendDelink();
	//void sendHinge(U8 type);
	//void sendDehinge();
	void sendSelect();

	void requestObjectPropertiesFamily(LLViewerObject* object);	// asks sim for creator, permissions, resources, etc.
	static void processObjectProperties(LLMessageSystem *mesgsys, void **user_data);
	static void processObjectPropertiesFamily(LLMessageSystem *mesgsys, void **user_data);
	static void processForceObjectSelect(LLMessageSystem* msg, void**);

	void requestGodInfo();

	LLVector3d		getSelectionCenterGlobal() const	{ return mSelectionCenterGlobal; }
	void			updateSelectionCenter();

	void resetAgentHUDZoom();
	void setAgentHUDZoom(F32 target_zoom, F32 current_zoom);
	void getAgentHUDZoom(F32 &target_zoom, F32 &current_zoom) const;

	void updatePointAt();

	// Internal list maintenance functions. TODO: Make these private!
	void remove(std::vector<LLViewerObject*>& objects);
	void remove(LLViewerObject* object, S32 te = SELECT_ALL_TES, BOOL undoable = TRUE);
	void removeAll();
	void addAsIndividual(LLViewerObject* object, S32 te = SELECT_ALL_TES, BOOL undoable = TRUE);
	void promoteSelectionToRoot();
	void demoteSelectionToIndividuals();

private:
	void convertTransient(); // converts temporarily selected objects to full-fledged selections
	ESelectType getSelectTypeForObject(LLViewerObject* object);
	void addAsFamily(std::vector<LLViewerObject*>& objects, BOOL add_to_end = FALSE);
	void generateSilhouette(LLSelectNode *nodep, const LLVector3& view_point);
	void updateSelectionSilhouette(LLObjectSelectionHandle object_handle, S32& num_sils_genned, std::vector<LLViewerObject*>& changed_objects);
	// Send one message to each region containing an object on selection list.
	void sendListToRegions(	const std::string& message_name,
							void (*pack_header)(void *user_data), 
							void (*pack_body)(LLSelectNode* node, void *user_data), 
							void *user_data,
							ESendType send_type);


	static void packAgentID(	void *);
	static void packAgentAndSessionID(void* user_data);
	static void packAgentAndGroupID(void* user_data);
	static void packAgentAndSessionAndGroupID(void* user_data);
	static void packAgentIDAndSessionAndAttachment(void*);
	static void packAgentGroupAndCatID(void*);
	static void packDeleteHeader(void* userdata);
	static void packDeRezHeader(void* user_data);
	static void packObjectID(	LLSelectNode* node, void *);
	static void packObjectIDAsParam(LLSelectNode* node, void *);
	static void packObjectIDAndRotation(LLSelectNode* node, void *);
	static void packObjectLocalID(LLSelectNode* node, void *);
	static void packObjectClickAction(LLSelectNode* node, void* data);
	static void packObjectIncludeInSearch(LLSelectNode* node, void* data);
	static void packObjectName(LLSelectNode* node, void* user_data);
	static void packObjectDescription(LLSelectNode* node, void* user_data);
	static void packObjectCategory(LLSelectNode* node, void* user_data);
	static void packObjectSaleInfo(LLSelectNode* node, void* user_data);
	static void packBuyObjectIDs(LLSelectNode* node, void* user_data);
	static void packDuplicate(	LLSelectNode* node, void *duplicate_data);
	static void packDuplicateHeader(void*);
	static void packDuplicateOnRayHead(void *user_data);
	static void packPermissions(LLSelectNode* node, void *user_data);
	static void packDeselect(	LLSelectNode* node, void *user_data);
	static void packMultipleUpdate(LLSelectNode* node, void *user_data);
	static void packPhysics(LLSelectNode* node, void *user_data);
	static void packShape(LLSelectNode* node, void *user_data);
	static void packOwnerHead(void *user_data);
	static void packHingeHead(void *user_data);
	static void packPermissionsHead(void* user_data);
	static void packGodlikeHead(void* user_data);
	static bool confirmDelete(const LLSD& notification, const LLSD& response, LLObjectSelectionHandle handle);

public:
	// Observer/callback support for when object selection changes or
	// properties are received/updated
	typedef boost::signals2::signal< void ()> update_signal_t;
	update_signal_t mUpdateSignal;

private:
	LLPointer<LLViewerTexture>				mSilhouetteImagep;
	LLObjectSelectionHandle					mSelectedObjects;
	LLObjectSelectionHandle					mHoverObjects;
	LLObjectSelectionHandle					mHighlightedObjects;
	std::set<LLPointer<LLViewerObject> >	mRectSelectedObjects;
	
	LLObjectSelection		mGridObjects;
	LLQuaternion			mGridRotation;
	LLVector3				mGridOrigin;
	LLVector3				mGridScale;
	EGridMode				mGridMode;
	BOOL					mGridValid;


	BOOL					mTEMode;			// render te
	LLVector3d				mSelectionCenterGlobal;
	LLBBox					mSelectionBBox;

	LLVector3d				mLastSentSelectionCenterGlobal;
	BOOL					mShowSelection; // do we send the selection center name value and do we animate this selection?
	LLVector3d				mLastCameraPos;		// camera position from last generation of selection silhouette
	BOOL					mRenderSilhouettes;	// do we render the silhouette
	LLBBox					mSavedSelectionBBox;

	LLFrameTimer			mEffectsTimer;
	BOOL					mForceSelection;

	LLAnimPauseRequest		mPauseRequest;
};

// *DEPRECATED: For callbacks or observers, use
// LLSelectMgr::getInstance()->mUpdateSignal.connect( callback )
// Update subscribers to the selection list
void dialog_refresh_all();		

// Templates
//-----------------------------------------------------------------------------
// getSelectedTEValue
//-----------------------------------------------------------------------------
template <typename T> bool LLObjectSelection::getSelectedTEValue(LLSelectedTEGetFunctor<T>* func, T& res)
{
	bool have_first = false;
	bool have_selected = false;
	T selected_value = T();

	// Now iterate through all TEs to test for sameness
	bool identical = TRUE;
	for (iterator iter = begin(); iter != end(); iter++)
	{
		LLSelectNode* node = *iter;
		LLViewerObject* object = node->getObject();
		S32 selected_te = -1;
		if (object == getPrimaryObject())
		{
			selected_te = node->getLastSelectedTE();
		}
		for (S32 te = 0; te < object->getNumTEs(); ++te)
		{
			if (!node->isTESelected(te))
			{
				continue;
			}
			T value = func->get(object, te);
			if (!have_first)
			{
				have_first = true;
				if (!have_selected)
				{
					selected_value = value;
				}
			}
			else
			{
				if ( value != selected_value )
				{
					identical = false;
				}
				if (te == selected_te)
				{
					selected_value = value;
					have_selected = true;
				}
			}
		}
		if (!identical && have_selected)
		{
			break;
		}
	}
	if (have_first || have_selected)
	{
		res = selected_value;
	}
	return identical;
}

// Templates
//-----------------------------------------------------------------------------
// isMultipleTEValue iterate through all TEs and test for uniqueness 
// with certain return value ignored when performing the test. 
// e.g. when testing if the selection has a unique non-empty homeurl :
// you can set ignore_value = "" and it will only compare among the non-empty  
// homeUrls and ignore the empty ones.
//-----------------------------------------------------------------------------
template <typename T> bool LLObjectSelection::isMultipleTEValue(LLSelectedTEGetFunctor<T>* func, const T& ignore_value)
{
	bool have_first = false;
	T selected_value = T();
	
	// Now iterate through all TEs to test for sameness
	bool unique = TRUE;
	for (iterator iter = begin(); iter != end(); iter++)
	{
		LLSelectNode* node = *iter;
		LLViewerObject* object = node->getObject();
		for (S32 te = 0; te < object->getNumTEs(); ++te)
		{
			if (!node->isTESelected(te))
			{
				continue;
			}
			T value = func->get(object, te);
			if(value == ignore_value)
			{
				continue;
			}
			if (!have_first)
			{
				have_first = true;
			}
			else
			{
				if (value !=selected_value  )
				{
					unique = false;
					return !unique;
				}
			}
		}
	}
	return !unique;
}


#endif