00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul Isaacs (MMM yyyy) 00025 ** Modified by : David Mott (MMM yyyy) 00026 **=======================================================================*/ 00027 /*======================================================================= 00028 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00029 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00030 *** *** 00031 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00032 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00033 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00034 *** *** 00035 *** RESTRICTED RIGHTS LEGEND *** 00036 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00037 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00038 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00039 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00040 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00041 *** *** 00042 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00043 *** BORDEAUX, FRANCE *** 00044 *** ALL RIGHTS RESERVED *** 00045 **=======================================================================*/ 00046 /*======================================================================= 00047 ** Modified by : VSG (MMM YYYY) 00048 **=======================================================================*/ 00049 00050 00051 00052 #ifndef _SO_DIRECTIONAL_LIGHT_DRAGGER_ 00053 #define _SO_DIRECTIONAL_LIGHT_DRAGGER_ 00054 00055 #include <Inventor/SbLinear.h> 00056 #include <Inventor/draggers/SoDragger.h> 00057 #include <Inventor/fields/SoSFVec3f.h> 00058 #include <Inventor/fields/SoSFRotation.h> 00059 #include <Inventor/sensors/SoSensor.h> 00060 00061 class SoFieldSensor; 00062 00064 // 00065 // Class: SoDirectionalLightDragger 00066 // 00067 // This changes the direction of directional lights. 00068 // 00070 00268 class SoDirectionalLightDragger : public SoDragger { 00269 00270 SO_KIT_HEADER(SoDirectionalLightDragger); 00271 00272 // This gives the dragger an overall material. It is edited by lightManips 00273 // to make its dragger match the color of the light. Any materials within 00274 // other parts will override this one. 00275 SO_KIT_CATALOG_ENTRY_HEADER(material); 00276 00277 // The translator is kept under a separator along with a 00278 // rotation that is maintained as the inverse to the rotation of the 00279 // light. This means that using the rotator does not rotate the 00280 // coordinate system that we translate the base of the dragger in. 00281 SO_KIT_CATALOG_ENTRY_HEADER(translatorSep); 00282 SO_KIT_CATALOG_ENTRY_HEADER(translatorRotInv); 00283 SO_KIT_CATALOG_ENTRY_HEADER(translator); 00284 SO_KIT_CATALOG_ENTRY_HEADER(rotator); 00285 00286 public: 00290 SoDirectionalLightDragger(); 00291 00296 SoSFRotation rotation; 00301 SoSFVec3f translation; 00302 00303 private: 00304 static void initClass(); // initialize the class 00305 static void exitClass(); 00306 00307 private: 00308 00309 SoFieldSensor *translFieldSensor; 00310 SoFieldSensor *rotFieldSensor; 00311 static void fieldSensorCB( void *, SoSensor * ); 00312 static void valueChangedCB( void *, SoDragger * ); 00313 00314 // detach/attach any sensors, callbacks, and/or field connections. 00315 // Also set geometry of childDraggers to be our default instead of their 00316 // regular default, using our resources. 00317 // Called by: start/end of SoBaseKit::readInstance 00318 // and on new copy by: start/end of SoBaseKit::copy. 00319 // Classes that redefine must call setUpConnections(TRUE,TRUE) 00320 // at end of constructor. 00321 // Returns the state of the node when this was called. 00322 virtual SbBool setUpConnections( SbBool onOff, SbBool doItAlways = FALSE ); 00323 00324 virtual void setDefaultOnNonWritingFields(); 00325 00326 ~SoDirectionalLightDragger(); 00327 00328 private: 00329 static const char geomBuffer[]; 00330 }; 00331 00332 #endif /* _SO_DIRECTIONAL_LIGHT_DRAGGER_ */ 00333 00334