| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: rayrequesttechnique.h 4633 2005-01-03 01:43:11Z klimetschek $ 00018 // $Date: 2005-01-03 02:43:11 +0100 (Mon, 03 Jan 2005) $ 00019 // $Revision: 4633 $ 00020 // $State$ 00021 // $Author: klimetschek $ 00022 // 00023 // $Log$ 00024 // Revision 1.20 2005/01/03 01:43:08 klimetschek 00025 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00026 // - removed vrs.vcproj 00027 // minor things: 00028 // - added all glutexamples to vrs4glut.sln 00029 // - fixed some problems in glutexamples 00030 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00031 // 00032 // Revision 1.19 2004/11/05 13:58:09 basch 00033 // Class comment changed (Doxygen style) 00034 // 00035 // Revision 1.18 2004/03/12 16:28:39 baumann 00036 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00037 // 00038 // Revision 1.17 2004/01/19 11:43:57 baumann 00039 // serialization mechanism improved 00040 // 00041 // Revision 1.16 2004/01/19 07:28:03 baumann 00042 // serialization mechanism improved 00043 // 00044 // Revision 1.15 2003/11/07 14:19:24 kirsch 00045 // removed leading underscore from include guards 00046 // 00047 // Revision 1.14 2003/07/23 17:04:49 baumann 00048 // code cleanup (especially untabified) 00049 // 00050 // Revision 1.13 2003/06/06 13:48:55 kirsch 00051 // cleaned up includes 00052 // 00053 // Revision 1.12 2003/02/27 09:41:02 kirsch 00054 // removed unused parameter name 00055 // 00056 // Revision 1.11 2002/10/04 08:34:59 baumann 00057 // code cleanup 00058 // 00059 // Revision 1.10 2002/07/03 09:22:12 kersting 00060 // added MonoAttribut include 00061 // 00062 // Revision 1.9 2002/06/24 14:03:38 baumann 00063 // changed List<T> to Array<T> 00064 // 00065 // Revision 1.8 2002/03/04 11:08:34 kersting 00066 // directory structure changes 00067 // 00068 // Revision 1.7 2002/03/03 21:44:25 kosta 00069 // VRS_TYPEINFO-macro rewritten 00070 // 00071 // Revision 1.6 2002/02/19 10:34:11 kosta 00072 // undone all changes since 2002-02-15 00073 // 00074 // Revision 1.3 2002/01/15 16:25:54 kosta 00075 // macros rewritten for a better namespace support 00076 // 00077 // Revision 1.2 2001/11/13 16:36:30 kirsch 00078 // changed line feed to unix style (removed control-M) 00079 // 00080 // Revision 1.1 2001/08/24 12:55:58 kirsch 00081 // RayRequest totally rewritten, uses RayTracingTechnique and RayRequestTechnique 00082 // 00083 00084 #ifndef VRS_RAYREQUESTTECHNIQUE_H 00085 #define VRS_RAYREQUESTTECHNIQUE_H 00086 00087 #include <vrs/raytracingtechnique.h> 00088 #include <vrs/intersectioninfo.h> 00089 #include <vrs/container/array.h> 00090 00091 namespace VRS { 00092 00093 class Shape; 00094 00096 class VRS_CORE_API RayRequestTechnique : public RayTracingTechnique { 00097 00098 public: 00099 enum RQMode { All, Nearest, All_Nearest, Furthest, DoNothing }; 00100 VRS_SERIALIZABLE_CLASS_ENUM(RQMode); 00114 enum RQType { Clip, World, Object }; 00115 VRS_SERIALIZABLE_CLASS_ENUM(RQType); 00120 RayRequestTechnique( 00121 RQMode mode = RayRequestTechnique::All, 00122 const Ray& = Ray(), 00123 RQType rayType = RayRequestTechnique::Clip 00124 ); 00132 int results() const; 00133 IntersectionInfo* result(int i = 0) const; 00134 Iterator<SO<IntersectionInfo> >* newResultIterator() const; 00135 void clear(); 00140 void setRay(const Ray& ray, RayRequestTechnique::RQType rayType = RayRequestTechnique::Clip); 00141 Ray getRay() const; 00147 void setMode(RayRequestTechnique::RQMode m); 00148 RayRequestTechnique::RQMode getMode() const; 00153 virtual void start(Engine*); 00154 virtual void stop(Engine*); 00155 virtual bool preparePass(Engine*); 00156 virtual void finishPass(Engine*); 00163 //- prepareEval, finishEval 00164 virtual bool prepareEval(Engine*, const Shape*); 00165 virtual void finishEval(Engine*, const Shape*) {}; 00166 00167 VRS_TYPEINFO(RayRequestTechnique, RayTracingTechnique); 00168 00169 private: 00170 void receive(SO<IntersectionInfo> info); 00171 00172 SO<Array<SO<IntersectionInfo> > > results_; 00173 Ray ray_; // original ray 00174 RQMode mode_; 00175 RQType rayType_; 00176 Ray objectRay_; // object coords 00177 }; 00178 00179 inline RayRequestTechnique::RQMode RayRequestTechnique::getMode() const { return mode_; } 00180 inline int RayRequestTechnique::results() const { return results_->size(); } 00181 inline Iterator<SO<IntersectionInfo> >* RayRequestTechnique::newResultIterator() const { return results_->newIterator(); } 00182 inline IntersectionInfo* RayRequestTechnique::result(int i) const { return (*results_)[i]; } 00183 inline void RayRequestTechnique::clear() { results_->clear(); } 00184 00185 } // namespace VRS 00186 00187 #endif // VRS_RAYREQUESTTECHNIQUE_H