File: SoJackDragger.c++

package info (click to toggle)
inventor 2.1.5-10-21
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 36,312 kB
  • sloc: ansic: 33,864; lisp: 7,361; cpp: 3,874; yacc: 369; sh: 359; perl: 234; awk: 141; makefile: 81; csh: 35; sed: 11
file content (382 lines) | stat: -rw-r--r-- 13,151 bytes parent folder | download | duplicates (9)
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
/*
 *
 *  Copyright (C) 2000 Silicon Graphics, Inc.  All Rights Reserved. 
 *
 *  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; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  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.
 *
 *  Further, this software is distributed without any warranty that it is
 *  free of the rightful claim of any third person regarding infringement
 *  or the like.  Any license provided herein, whether implied or
 *  otherwise, applies only to this software file.  Patent licenses, if
 *  any, provided herein do not apply to combinations of this program with
 *  other software, or any other product whatsoever.
 * 
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 *  Mountain View, CA  94043, or:
 * 
 *  http://www.sgi.com 
 * 
 *  For further information regarding this notice, see: 
 * 
 *  http://oss.sgi.com/projects/GenInfo/NoticeExplan/
 *
 */

/*
 * Copyright (C) 1990,91,92   Silicon Graphics, Inc.
 *
 _______________________________________________________________________
 ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
 |
 |   $Revision: 1.1.1.1 $
 |
 |   Classes:
 |	SoJackDragger
 |
 |   Author(s): Paul Isaacs, Howard Look
 |
 ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
 _______________________________________________________________________
 */


#include <stdio.h>
#include <Inventor/SbLinear.h>
#include <Inventor/SoDB.h>
#include <Inventor/sensors/SoFieldSensor.h>

#include <Inventor/nodes/SoSurroundScale.h>
#include <Inventor/nodes/SoAntiSquish.h>
#include <Inventor/nodes/SoTransform.h>

#include <Inventor/draggers/SoDragPointDragger.h>
#include <Inventor/draggers/SoJackDragger.h>
#include <Inventor/draggers/SoRotateSphericalDragger.h>
#include <Inventor/draggers/SoScaleUniformDragger.h>

#include "geom/SoJackDraggerGeom.h"


SO_KIT_SOURCE(SoJackDragger);


////////////////////////////////////////////////////////////////////////
//
// Description:
//  Constructors. Each constructor calls constructorSub(), which
//  does work that is common to each.
//
// Use: public
//
////////////////////////////////////////////////////////////////////////

// Default constructor.
SoJackDragger::SoJackDragger()
{
    SO_KIT_CONSTRUCTOR(SoJackDragger);

    isBuiltIn = TRUE;

    // Don't create this by default. It's only really put into use
    // if this dragger is put inside a manipulator.
    SO_KIT_ADD_CATALOG_ENTRY(surroundScale, SoSurroundScale, 
				TRUE, topSeparator, geomSeparator,TRUE);
    // Create an anti-squish node by default.
    SO_KIT_ADD_CATALOG_ENTRY(antiSquish, SoAntiSquish, 
				FALSE, topSeparator, geomSeparator,TRUE);

    SO_KIT_ADD_CATALOG_ENTRY(scaler, SoScaleUniformDragger, 
				TRUE, topSeparator, geomSeparator,TRUE);
    SO_KIT_ADD_CATALOG_ENTRY(rotator, SoRotateSphericalDragger, 
				TRUE, topSeparator, geomSeparator,TRUE);
    SO_KIT_ADD_CATALOG_ENTRY(translator, SoDragPointDragger, 
				TRUE, topSeparator, geomSeparator,TRUE);

    // Read the default geometry for this dragger
    if (SO_KIT_IS_FIRST_INSTANCE())
	readDefaultParts( "jackDragger.iv", geomBuffer, sizeof(geomBuffer) );

    SO_KIT_ADD_FIELD(rotation, (0.0, 0.0, 0.0, 1.0));
    SO_KIT_ADD_FIELD(translation, (0.0, 0.0, 0.0));
    SO_KIT_ADD_FIELD(scaleFactor, (1.0, 1.0, 1.0));

    SO_KIT_INIT_INSTANCE();

    // Make the anti-squish node surround the biggest dimension
    SoAntiSquish *as = SO_GET_ANY_PART( this,"antiSquish", SoAntiSquish );
    as->sizing = SoAntiSquish::BIGGEST_DIMENSION;

    // CREATE THE CHILD DRAGGERS:
    SoDragger *sD = SO_GET_ANY_PART( this,"scaler",  SoScaleUniformDragger );
    SoDragger *rD = SO_GET_ANY_PART( this,"rotator", SoRotateSphericalDragger );
    SoDragger *tD = SO_GET_ANY_PART( this,"translator", SoDragPointDragger );

    // Update the rotation and scale fields when the motionMatrix is set.
    addValueChangedCallback( &SoJackDragger::valueChangedCB );

    // Updates the motionMatrix when the scaleFactor field is set.
    rotFieldSensor = new SoFieldSensor(&SoJackDragger::fieldSensorCB, this);
    rotFieldSensor->setPriority( 0 );

    // Updates the motionMatrix when the translationFactor field is set.
    translFieldSensor 
        = new SoFieldSensor( &SoJackDragger::fieldSensorCB, this);
    translFieldSensor->setPriority( 0 );

    // Updates the motionMatrix when the scaleFactor field is set.
    scaleFieldSensor 
	= new SoFieldSensor( &SoJackDragger::fieldSensorCB, this);
    scaleFieldSensor->setPriority( 0 );

    setUpConnections( TRUE, TRUE );
}

////////////////////////////////////////////////////////////////////////
//
// Description:
//    Destructor
//
SoJackDragger::~SoJackDragger()
//
////////////////////////////////////////////////////////////////////////
{
    if (rotFieldSensor)
	delete rotFieldSensor;
    if (translFieldSensor )
	delete translFieldSensor;
    if (scaleFieldSensor )
	delete scaleFieldSensor;
}

//    detach/attach any sensors, callbacks, and/or field connections.
//    Called by:            start/end of SoBaseKit::readInstance
//    and on new copy by:   start/end of SoBaseKit::copy.
//    Classes that redefine must call setUpConnections(TRUE,TRUE) 
//    at end of constructor.
//    Returns the state of the node when this was called.
SbBool
SoJackDragger::setUpConnections( SbBool onOff, SbBool doItAlways )
{
    if ( !doItAlways && connectionsSetUp == onOff)
	return onOff;

    if ( onOff ) {

	// We connect AFTER base class.
	SoDragger::setUpConnections( onOff, FALSE );

	// Set up the parts and callbacks in the child dragger
	// Create a scaling dragger.
	SoDragger *sD = (SoDragger *) getAnyPart( "scaler", FALSE);
	if (sD) {
	    sD->setPartAsDefault("scaler", "jackScalerScaler" );
	    sD->setPartAsDefault("scalerActive", "jackScalerScalerActive");
	    sD->setPartAsDefault("feedback", "jackScalerFeedback" );
	    sD->setPartAsDefault("feedbackActive", "jackScalerFeedbackActive");
	    sD->addStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    sD->addFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);
	    registerChildDragger( sD );
	}

	// Create a spherical rotator. 
	SoDragger *rD = (SoDragger *) getAnyPart( "rotator", FALSE );
	if (rD) {
	    rD->setPartAsDefault("rotator", "jackRotatorRotator" );
	    rD->setPartAsDefault("rotatorActive", "jackRotatorRotatorActive");
	    rD->setPartAsDefault("feedback", "jackRotatorFeedback" );
	    rD->setPartAsDefault("feedbackActive", "jackRotatorFeedbackActive");
	    rD->addStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    rD->addFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);
	    registerChildDragger( rD );
	}

	// Create a translator with dragpoint. 
	SoDragger *dD = (SoDragger *) getAnyPart( "translator", FALSE );
	if (dD) {
	    SoNode *n;
	    n = SoNode::getByName("jackTranslatorLineTranslator");
	    dD->setPartAsDefault("xTranslator.translator", n );
	    dD->setPartAsDefault("yTranslator.translator", n );
	    dD->setPartAsDefault("zTranslator.translator", n );

	    n = SoNode::getByName("jackTranslatorLineTranslatorActive");
	    dD->setPartAsDefault("xTranslator.translatorActive", n );
	    dD->setPartAsDefault("yTranslator.translatorActive", n );
	    dD->setPartAsDefault("zTranslator.translatorActive", n );

	    n = SoNode::getByName("jackTranslatorPlaneTranslator");
	    dD->setPartAsDefault("yzTranslator.translator", n );
	    dD->setPartAsDefault("xzTranslator.translator", n );
	    dD->setPartAsDefault("xyTranslator.translator", n );

	    n = SoNode::getByName("jackTranslatorPlaneTranslatorActive");
	    dD->setPartAsDefault("yzTranslator.translatorActive", n );
	    dD->setPartAsDefault("xzTranslator.translatorActive", n );
	    dD->setPartAsDefault("xyTranslator.translatorActive", n );

	    dD->setPartAsDefault("xFeedback", "jackTranslatorXFeedback" );
	    dD->setPartAsDefault("yFeedback", "jackTranslatorYFeedback");
	    dD->setPartAsDefault("zFeedback", "jackTranslatorZFeedback" );
	    dD->setPartAsDefault("yzFeedback", "jackTranslatorYZFeedback" );
	    dD->setPartAsDefault("xzFeedback", "jackTranslatorXZFeedback" );
	    dD->setPartAsDefault("xyFeedback", "jackTranslatorXYFeedback" );

	    dD->addStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    dD->addFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);

	    registerChildDragger( dD );
	}

	// Call the sensor CBs to make things are up-to-date.
	fieldSensorCB( this, NULL );

	// Connect the field sensors
	if (rotFieldSensor->getAttachedField() != &rotation)
	    rotFieldSensor->attach( &rotation );
	if (translFieldSensor->getAttachedField() != &translation)
	    translFieldSensor->attach( &translation );
	if (scaleFieldSensor->getAttachedField() != &scaleFactor)
	    scaleFieldSensor->attach( &scaleFactor );
    }
    else {

	// We disconnect BEFORE base class.

	// Set up the parts and callbacks in the child dragger
	// Create a scaling dragger.
	SoDragger *sD = (SoDragger *) getAnyPart( "scaler", FALSE);
	if (sD) {
	    sD->removeStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    sD->removeFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);
	    unregisterChildDragger( sD );
	}

	// Create a spherical rotator. 
	SoDragger *rD = (SoDragger *) getAnyPart( "rotator", FALSE );
	if (rD) {
	    rD->removeStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    rD->removeFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);
	    unregisterChildDragger( rD );
	}

	// Create a translator with dragpoint. 
	SoDragger *dD = (SoDragger *) getAnyPart( "translator", FALSE );
	if (dD) {
	    dD->setPartAsDefault("xFeedback", "jackTranslatorXFeedback" );
	    dD->setPartAsDefault("yFeedback", "jackTranslatorYFeedback");
	    dD->setPartAsDefault("zFeedback", "jackTranslatorZFeedback" );
	    dD->setPartAsDefault("yzFeedback", "jackTranslatorYZFeedback" );
	    dD->setPartAsDefault("xzFeedback", "jackTranslatorXZFeedback" );
	    dD->setPartAsDefault("xyFeedback", "jackTranslatorXYFeedback" );

	    dD->removeStartCallback(
		&SoJackDragger::invalidateSurroundScaleCB, this);
	    dD->removeFinishCallback(
		&SoJackDragger::invalidateSurroundScaleCB,this);

	    unregisterChildDragger( dD );
	}

	// Disconnect the field sensors.
	if (rotFieldSensor->getAttachedField())
	    rotFieldSensor->detach();
	if (translFieldSensor->getAttachedField())
	    translFieldSensor->detach();
	if (scaleFieldSensor->getAttachedField())
	    scaleFieldSensor->detach();

	SoDragger::setUpConnections( onOff, FALSE );
    }

    return !(connectionsSetUp = onOff);
}


void
SoJackDragger::valueChangedCB( void *, SoDragger *inDragger )
{
    SoJackDragger *m = (SoJackDragger *) inDragger;
    SbMatrix motMat = m->getMotionMatrix();

    SbVec3f    trans, scale;
    SbRotation rot, scaleOrient;
    getTransformFast( motMat, trans, rot, scale, scaleOrient);

    // Disconnect the field sensors
    m->rotFieldSensor->detach();
    m->translFieldSensor->detach();
    m->scaleFieldSensor->detach();

    if ( m->rotation.getValue() != rot )
	m->rotation = rot;
    if ( m->translation.getValue() != trans )
	m->translation = trans;
    if ( m->scaleFactor.getValue() != scale )
	m->scaleFactor = scale;

    // Reconnect the field sensors
    m->rotFieldSensor->attach( &(m->rotation) );
    m->translFieldSensor->attach( &(m->translation) );
    m->scaleFieldSensor->attach( &(m->scaleFactor) );
}

void
SoJackDragger::fieldSensorCB( void *inDragger, SoSensor * )
{
    SoJackDragger *dragger = (SoJackDragger *) inDragger;

    SbMatrix motMat = dragger->getMotionMatrix();
    dragger->workFieldsIntoTransform( motMat );

    dragger->setMotionMatrix( motMat );
}

void 
SoJackDragger::invalidateSurroundScaleCB(  void *parentAsVoid, SoDragger * )
{
    SoJackDragger *jD = (SoJackDragger *) parentAsVoid;

    // Invalidate the surroundScale, if it exists.
    SoSurroundScale *ss = SO_CHECK_PART(jD, "surroundScale", SoSurroundScale );
    if (ss != NULL)
	ss->invalidate();
}

void
SoJackDragger::setDefaultOnNonWritingFields()
{
    // These nodes may change after construction, but we still
    // don't want to write them out.
    surroundScale.setDefault(TRUE);
    antiSquish.setDefault(TRUE);

    // Try not to write out the sub-draggers.
	scaler.setDefault(TRUE);
	rotator.setDefault(TRUE);
	translator.setDefault(TRUE);

    // Call the base class...
    SoDragger::setDefaultOnNonWritingFields();
}