00001 /*---------------------------------------------------------------------------*\ 00002 * OpenSG * 00003 * * 00004 * * 00005 * Copyright (C) 2000-2002 by the OpenSG Forum * 00006 * * 00007 * www.opensg.org * 00008 * * 00009 * contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de * 00010 * * 00011 \*---------------------------------------------------------------------------*/ 00012 /*---------------------------------------------------------------------------*\ 00013 * License * 00014 * * 00015 * This library is free software; you can redistribute it and/or modify it * 00016 * under the terms of the GNU Library General Public License as published * 00017 * by the Free Software Foundation, version 2. * 00018 * * 00019 * This library is distributed in the hope that it will be useful, but * 00020 * WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this library; if not, write to the Free Software * 00026 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00027 * * 00028 \*---------------------------------------------------------------------------*/ 00029 /*---------------------------------------------------------------------------*\ 00030 * Changes * 00031 * * 00032 * * 00033 * * 00034 * * 00035 * * 00036 * * 00037 \*---------------------------------------------------------------------------*/ 00038 00039 00040 #ifndef _OSGMATERIAL_H_ 00041 #define _OSGMATERIAL_H_ 00042 #ifdef __sgi 00043 #pragma once 00044 #endif 00045 00046 #include <OSGConfig.h> 00047 #include <OSGTypedFunctors.h> 00048 #include <OSGAction.h> 00049 #include <OSGMaterialBase.h> 00050 #include <OSGState.h> 00051 00052 OSG_BEGIN_NAMESPACE 00053 00054 00055 class Geometry; 00056 class DrawActionBase; 00057 00062 class OSG_SYSTEMLIB_DLLMAPPING Material : public MaterialBase 00063 { 00064 /*========================== PUBLIC =================================*/ 00065 public: 00066 00067 /*---------------------------------------------------------------------*/ 00071 static const char *getClassname(void) { return "Material"; }; 00072 00074 /*---------------------------------------------------------------------*/ 00078 static const Int32 NoStateSorting; 00079 00081 /*---------------------------------------------------------------------*/ 00085 virtual void changed(BitVector whichField, 00086 UInt32 origin ); 00087 00089 /*---------------------------------------------------------------------*/ 00093 virtual void dump( UInt32 uiIndent = 0, 00094 const BitVector bvFlags = 0) const; 00095 00097 /*---------------------------------------------------------------------*/ 00101 // TODO: switch geo to functor too, remove makeState, replace by rebuild 00102 00103 typedef TypedFunctor1Base<Action::ResultE, 00104 PtrCallArg<DrawActionBase> > DrawFunctor; 00105 00106 virtual void draw (DrawFunctor& func, 00107 DrawActionBase * action )= 0; 00108 00109 virtual void draw (Geometry* geo, 00110 DrawActionBase * action )= 0; 00111 00112 virtual StatePtr makeState (void) = 0; 00113 00114 virtual void rebuildState (void) = 0; 00115 00116 StatePtr getState (void); 00117 00118 virtual bool isTransparent (void) const = 0; 00119 00121 /*---------------------------------------------------------------------*/ 00125 virtual bool operator < (const Material &other) const; 00126 00127 virtual bool operator == (const Material &other) const; 00128 virtual bool operator != (const Material &other) const; 00129 00131 /*========================= PROTECTED ===============================*/ 00132 protected: 00133 00134 00135 StatePtr _pState; // !!! TODO is that MT safe? 00136 // Yes, but not efficient. Every material has as many States as there 00137 // are aspects, each of which itself is threadsafe (i.e. multibuffered). 00138 // A single State per Material would be better. I'm just not sure how to 00139 // initialize it. :( DR 00140 // Actually, no, it isn't!!! Multiple materials updating the same aspect 00141 // in different threads make this crash!!! DR 00142 00143 /*---------------------------------------------------------------------*/ 00147 Material(void); 00148 Material(const Material &source); 00149 00151 /*---------------------------------------------------------------------*/ 00155 virtual ~Material(void); 00156 00158 /*========================== PRIVATE ================================*/ 00159 private: 00160 00161 typedef MaterialBase Inherited; 00162 00163 friend class FieldContainer; 00164 friend class MaterialBase; 00165 00166 static void initMethod( void ); 00167 00168 // prohibit default functions (move to 'public' if you need one) 00169 void operator =(const Material &source); 00170 }; 00171 00172 typedef Material *MaterialP; 00173 00174 extern OSG_SYSTEMLIB_DLLMAPPING MaterialPtr NullMaterial; 00175 00176 OSG_END_NAMESPACE 00177 00178 #include <OSGMaterialBase.inl> 00179 #include <OSGMaterial.inl> 00180 00181 #define OSGMATERIAL_HEADER_CVSID "@(#)$Id:$" 00182 00183 #endif /* _OSGMATERIAL_H_ */
1.4.3