summaryrefslogtreecommitdiff
path: root/indra/newview/lltoolplacer.cpp
blob: b7718847ae59b4c5b74dbbbe22f2981c09fecd47 (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
/** 
 * @file lltoolplacer.cpp
 * @brief Tool for placing new objects into the world
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

// self header
#include "lltoolplacer.h"

// viewer headers
#include "llbutton.h"
#include "llviewercontrol.h"
//#include "llfirstuse.h"
#include "llfloatertools.h"
#include "llselectmgr.h"
#include "llstatusbar.h"
#include "lltoolcomp.h"
#include "lltoolmgr.h"
#include "llviewerobject.h"
#include "llviewerregion.h"
#include "llviewerwindow.h"
#include "llworld.h"
#include "llui.h"

//Headers added for functions moved from viewer.cpp
#include "llvograss.h"
#include "llvotree.h"
#include "llvolumemessage.h"
#include "llhudmanager.h"
#include "llagent.h"
#include "llagentcamera.h"
#include "llaudioengine.h"
#include "llhudeffecttrail.h"
#include "llviewerobjectlist.h"
#include "llviewercamera.h"
#include "llviewerstats.h"
#include "llvoavatarself.h"

// linden library headers
#include "llprimitive.h"
#include "llwindow.h"			// incBusyCount()
#include "material_codes.h"

const LLVector3 DEFAULT_OBJECT_SCALE(0.5f, 0.5f, 0.5f);

//static 
LLPCode	LLToolPlacer::sObjectType = LL_PCODE_CUBE;

LLToolPlacer::LLToolPlacer()
:	LLTool( "Create" )
{
}

BOOL LLToolPlacer::raycastForNewObjPos( S32 x, S32 y, LLViewerObject** hit_obj, S32* hit_face, 
							 BOOL* b_hit_land, LLVector3* ray_start_region, LLVector3* ray_end_region, LLViewerRegion** region )
{
	F32 max_dist_from_camera = gSavedSettings.getF32( "MaxSelectDistance" ) - 1.f;

	// Viewer-side pick to find the right sim to create the object on.  
	// First find the surface the object will be created on.
	LLPickInfo pick = gViewerWindow->pickImmediate(x, y, FALSE);
	
	// Note: use the frontmost non-flora version because (a) plants usually have lots of alpha and (b) pants' Havok
	// representations (if any) are NOT the same as their viewer representation.
	if (pick.mPickType == LLPickInfo::PICK_FLORA)
	{
		*hit_obj = NULL;
		*hit_face = -1;
	}
	else
	{
		*hit_obj = pick.getObject();
		*hit_face = pick.mObjectFace;
	}
	*b_hit_land = !(*hit_obj) && !pick.mPosGlobal.isExactlyZero();
	LLVector3d land_pos_global = pick.mPosGlobal;

	// Make sure there's a surface to place the new object on.
	BOOL bypass_sim_raycast = FALSE;
	LLVector3d	surface_pos_global;
	if (*b_hit_land)
	{
		surface_pos_global = land_pos_global; 
		bypass_sim_raycast = TRUE;
	}
	else 
	if (*hit_obj)
	{
		surface_pos_global = (*hit_obj)->getPositionGlobal();
	}
	else
	{
		return FALSE;
	}

	// Make sure the surface isn't too far away.
	LLVector3d ray_start_global = gAgentCamera.getCameraPositionGlobal();
	F32 dist_to_surface_sq = (F32)((surface_pos_global - ray_start_global).magVecSquared());
	if( dist_to_surface_sq > (max_dist_from_camera * max_dist_from_camera) )
	{
		return FALSE;
	}

	// Find the sim where the surface lives.
	LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(surface_pos_global);
	if (!regionp)
	{
		llwarns << "Trying to add object outside of all known regions!" << llendl;
		return FALSE;
	}

	// Find the simulator-side ray that will be used to place the object accurately
	LLVector3d		mouse_direction;
	mouse_direction.setVec( gViewerWindow->mouseDirectionGlobal( x, y ) );

	*region = regionp;
	*ray_start_region =	regionp->getPosRegionFromGlobal( ray_start_global );
	F32 near_clip = LLViewerCamera::getInstance()->getNear() + 0.01f;  // Include an epsilon to avoid rounding issues.
	*ray_start_region += LLViewerCamera::getInstance()->getAtAxis() * near_clip;

	if( bypass_sim_raycast )
	{
		// Hack to work around Havok's inability to ray cast onto height fields
		*ray_end_region = regionp->getPosRegionFromGlobal( surface_pos_global );  // ray end is the viewer's intersection point
	}
	else
	{
		LLVector3d		ray_end_global = ray_start_global + (1.f + max_dist_from_camera) * mouse_direction;  // add an epsilon to the sim version of the ray to avoid rounding problems.
		*ray_end_region = regionp->getPosRegionFromGlobal( ray_end_global );
	}

	return TRUE;
}


BOOL LLToolPlacer::addObject( LLPCode pcode, S32 x, S32 y, U8 use_physics )
{
	LLVector3 ray_start_region;
	LLVector3 ray_end_region;
	LLViewerRegion* regionp = NULL;
	BOOL b_hit_land = FALSE;
	S32 hit_face = -1;
	LLViewerObject* hit_obj = NULL;
	U8 state = 0;
	BOOL success = raycastForNewObjPos( x, y, &hit_obj, &hit_face, &b_hit_land, &ray_start_region, &ray_end_region, &regionp );
	if( !success )
	{
		return FALSE;
	}

	if( hit_obj && (hit_obj->isAvatar() || hit_obj->isAttachment()) )
	{
		// Can't create objects on avatars or attachments
		return FALSE;
	}

	if (NULL == regionp)
	{
		llwarns << "regionp was NULL; aborting function." << llendl;
		return FALSE;
	}

	if (regionp->getRegionFlag(REGION_FLAGS_SANDBOX))
	{
		//LLFirstUse::useSandbox();
	}

	// Set params for new object based on its PCode.
	LLQuaternion	rotation;
	LLVector3		scale = DEFAULT_OBJECT_SCALE;
	U8				material = LL_MCODE_WOOD;
	BOOL			create_selected = FALSE;
	LLVolumeParams	volume_params;
	
	switch (pcode) 
	{
	case LL_PCODE_LEGACY_GRASS:
		//  Randomize size of grass patch 
		scale.setVec(10.f + ll_frand(20.f), 10.f + ll_frand(20.f),  1.f + ll_frand(2.f));
		state = rand() % LLVOGrass::sMaxGrassSpecies;
		break;


	case LL_PCODE_LEGACY_TREE:
	case LL_PCODE_TREE_NEW:
		state = rand() % LLVOTree::sMaxTreeSpecies;
		break;

	case LL_PCODE_SPHERE:
	case LL_PCODE_CONE:
	case LL_PCODE_CUBE:
	case LL_PCODE_CYLINDER:
	case LL_PCODE_TORUS:
	case LLViewerObject::LL_VO_SQUARE_TORUS:
	case LLViewerObject::LL_VO_TRIANGLE_TORUS:
	default:
		create_selected = TRUE;
		break;
	}

	// Play creation sound
	if (gAudiop)
	{
		gAudiop->triggerSound( LLUUID(gSavedSettings.getString("UISndObjectCreate")),
							   gAgent.getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
	}

	gMessageSystem->newMessageFast(_PREHASH_ObjectAdd);
	gMessageSystem->nextBlockFast(_PREHASH_AgentData);
	gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
	gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
	gMessageSystem->addUUIDFast(_PREHASH_GroupID, gAgent.getGroupID());
	gMessageSystem->nextBlockFast(_PREHASH_ObjectData);
	gMessageSystem->addU8Fast(_PREHASH_Material,	material);

	U32 flags = 0;		// not selected
	if (use_physics)
	{
		flags |= FLAGS_USE_PHYSICS;
	}
	if (create_selected)
	{
		flags |= FLAGS_CREATE_SELECTED;
	}
	gMessageSystem->addU32Fast(_PREHASH_AddFlags, flags );

	LLPCode volume_pcode;	// ...PCODE_VOLUME, or the original on error
	switch (pcode)
	{
	case LL_PCODE_SPHERE:
		rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);

		volume_params.setType( LL_PCODE_PROFILE_CIRCLE_HALF, LL_PCODE_PATH_CIRCLE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1, 1 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_TORUS:
		rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);

		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_CIRCLE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1.f, 0.25f );	// "top size"
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LLViewerObject::LL_VO_SQUARE_TORUS:
		rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);

		volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_CIRCLE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1.f, 0.25f );	// "top size"
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LLViewerObject::LL_VO_TRIANGLE_TORUS:
		rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);

		volume_params.setType( LL_PCODE_PROFILE_EQUALTRI, LL_PCODE_PATH_CIRCLE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1.f, 0.25f );	// "top size"
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_SPHERE_HEMI:
		volume_params.setType( LL_PCODE_PROFILE_CIRCLE_HALF, LL_PCODE_PATH_CIRCLE );
		//volume_params.setBeginAndEndS( 0.5f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 0.5f );
		volume_params.setRatio	( 1, 1 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_CUBE:
		volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1, 1 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_PRISM:
		volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 0, 1 );
		volume_params.setShear	( -0.5f, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_PYRAMID:
		volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 0, 0 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_TETRAHEDRON:
		volume_params.setType( LL_PCODE_PROFILE_EQUALTRI, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 0, 0 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_CYLINDER:
		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1, 1 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_CYLINDER_HEMI:
		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.25f, 0.75f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 1, 1 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_CONE:
		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.f, 1.f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 0, 0 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	case LL_PCODE_CONE_HEMI:
		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
		volume_params.setBeginAndEndS( 0.25f, 0.75f );
		volume_params.setBeginAndEndT( 0.f, 1.f );
		volume_params.setRatio	( 0, 0 );
		volume_params.setShear	( 0, 0 );
		LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
		volume_pcode = LL_PCODE_VOLUME;
		break;

	default:
		LLVolumeMessage::packVolumeParams(0, gMessageSystem);
		volume_pcode = pcode;
		break;
	}
	gMessageSystem->addU8Fast(_PREHASH_PCode, volume_pcode);

	gMessageSystem->addVector3Fast(_PREHASH_Scale,			scale );
	gMessageSystem->addQuatFast(_PREHASH_Rotation,			rotation );
	gMessageSystem->addVector3Fast(_PREHASH_RayStart,		ray_start_region );
	gMessageSystem->addVector3Fast(_PREHASH_RayEnd,			ray_end_region );
	gMessageSystem->addU8Fast(_PREHASH_BypassRaycast,		(U8)b_hit_land );
	gMessageSystem->addU8Fast(_PREHASH_RayEndIsIntersection, (U8)FALSE );
	gMessageSystem->addU8Fast(_PREHASH_State, state);

	// Limit raycast to a single object.  
	// Speeds up server raycast + avoid problems with server ray hitting objects
	// that were clipped by the near plane or culled on the viewer.
	LLUUID ray_target_id;
	if( hit_obj )
	{
		ray_target_id = hit_obj->getID();
	}
	else
	{
		ray_target_id.setNull();
	}
	gMessageSystem->addUUIDFast(_PREHASH_RayTargetID,			ray_target_id );
	
	// Pack in name value pairs
	gMessageSystem->sendReliable(regionp->getHost());

	// Spawns a message, so must be after above send
	if (create_selected)
	{
		LLSelectMgr::getInstance()->deselectAll();
		gViewerWindow->getWindow()->incBusyCount();
	}

	// VEFFECT: AddObject
	LLHUDEffectSpiral *effectp = (LLHUDEffectSpiral *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_BEAM, TRUE);
	effectp->setSourceObject((LLViewerObject*)gAgentAvatarp);
	effectp->setPositionGlobal(regionp->getPosGlobalFromRegion(ray_end_region));
	effectp->setDuration(LL_HUD_DUR_SHORT);
	effectp->setColor(LLColor4U(gAgent.getEffectColor()));

	add(LLStatViewer::OBJECT_CREATE, 1);

	return TRUE;
}

// Used by the placer tool to add copies of the current selection.
// Inspired by add_object().  JC
BOOL LLToolPlacer::addDuplicate(S32 x, S32 y)
{
	LLVector3 ray_start_region;
	LLVector3 ray_end_region;
	LLViewerRegion* regionp = NULL;
	BOOL b_hit_land = FALSE;
	S32 hit_face = -1;
	LLViewerObject* hit_obj = NULL;
	BOOL success = raycastForNewObjPos( x, y, &hit_obj, &hit_face, &b_hit_land, &ray_start_region, &ray_end_region, &regionp );
	if( !success )
	{
		make_ui_sound("UISndInvalidOp");
		return FALSE;
	}
	if( hit_obj && (hit_obj->isAvatar() || hit_obj->isAttachment()) )
	{
		// Can't create objects on avatars or attachments
		make_ui_sound("UISndInvalidOp");
		return FALSE;
	}


	// Limit raycast to a single object.  
	// Speeds up server raycast + avoid problems with server ray hitting objects
	// that were clipped by the near plane or culled on the viewer.
	LLUUID ray_target_id;
	if( hit_obj )
	{
		ray_target_id = hit_obj->getID();
	}
	else
	{
		ray_target_id.setNull();
	}

	LLSelectMgr::getInstance()->selectDuplicateOnRay(ray_start_region,
										ray_end_region,
										b_hit_land,			// suppress raycast
										FALSE,				// intersection
										ray_target_id,
										gSavedSettings.getBOOL("CreateToolCopyCenters"),
										gSavedSettings.getBOOL("CreateToolCopyRotates"),
										FALSE);				// select copy

	if (regionp
		&& (regionp->getRegionFlag(REGION_FLAGS_SANDBOX)))
	{
		//LLFirstUse::useSandbox();
	}

	return TRUE;
}


BOOL LLToolPlacer::placeObject(S32 x, S32 y, MASK mask)
{
	BOOL added = TRUE;
	
	if (gSavedSettings.getBOOL("CreateToolCopySelection"))
	{
		added = addDuplicate(x, y);
	}
	else
	{
		added = addObject( sObjectType, x, y, FALSE );
	}

	// ...and go back to the default tool
	if (added && !gSavedSettings.getBOOL("CreateToolKeepSelected"))
	{
		LLToolMgr::getInstance()->getCurrentToolset()->selectTool( LLToolCompTranslate::getInstance() );
	}

	return added;
}

BOOL LLToolPlacer::handleHover(S32 x, S32 y, MASK mask)
{
	lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolPlacer" << llendl;		
	gViewerWindow->setCursor(UI_CURSOR_TOOLCREATE);
	return TRUE;
}

void LLToolPlacer::handleSelect()
{
	gFloaterTools->setStatusText("place");
}

void LLToolPlacer::handleDeselect()
{
}