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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 : Ronen Barzel (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_ONE_SHOT_ 00051 #define _SO_ONE_SHOT_ 00052 00053 #include <Inventor/engines/SoSubEngine.h> 00054 #include <Inventor/fields/SoSFBool.h> 00055 #include <Inventor/fields/SoSFTrigger.h> 00056 #include <Inventor/fields/SoSFTime.h> 00057 #include <Inventor/fields/SoSFBitMask.h> 00058 00102 class SoOneShot : public SoEngine { 00103 00104 SO_ENGINE_HEADER(SoOneShot); 00105 00106 public: 00107 00109 enum Flags { 00111 RETRIGGERABLE = (1<<0), 00113 HOLD_FINAL = (1<<1) 00114 }; 00115 00119 SoSFTime duration; 00124 SoSFTrigger trigger; 00128 SoSFBitMask flags; 00132 SoSFBool disable; 00136 SoSFTime timeIn; 00137 00141 SoEngineOutput timeOut; 00145 SoEngineOutput isActive; 00149 SoEngineOutput ramp; 00150 00154 SoOneShot(); 00155 00156 private: 00157 00158 static void initClass(); 00159 static void exitClass(); 00160 00161 private: 00162 virtual void inputChanged(SoField *whichInput); 00163 00164 // Evaluation method 00165 virtual void evaluate(); 00166 00167 // Writes instance to SoOutput. Takes care of not writing out 00168 // connection to realTime that is created in constructor. 00169 virtual void writeInstance(SoOutput *out); 00170 00171 // Reads stuff into instance. Works around a problem with old 00172 // files that contain explicit references to the default 00173 // connection to realTime. 00174 virtual SbBool readInstance(SoInput *in, unsigned short flags); 00175 00176 // Destructor 00177 ~SoOneShot(); 00178 private: 00179 enum State { 00180 DISABLED, // everything clamped at 0 (via disable input) 00181 OFF, // normal idle state 00182 TRIGGERED, // has been triggered, need to start running 00183 ON, // running, watching the time 00184 PEAKED // have reached the end, need to reset 00185 } state; 00186 SbTime baseTime; // Starting time for elapsed time 00187 SbTime timeVal; // holds output time value 00188 double rampVal; // holds ramp value 00189 SbBool outputPending; // keeps outputs enabled until data is read 00190 00191 00192 00194 // 00195 // #unfound enum Flags 00196 // 00198 00199 }; 00200 00201 #endif /* _SO_ONE_SHOT_ */ 00202 00203