Source/System/NodeCores/Groups/Light/Shadow/Base/OSGShadowMapEngine.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 #include <cstdlib>
  40 #include <cstdio>
  41
  42 #include "OSGConfig.h"
  43
  44 #include "OSGShadowMapEngine.h"
  45 #include "OSGPassMaskPool.h"
  46 #include "OSGChunkMaterial.h"
  47 #include "OSGMaterialChunk.h"
  48
  49 OSG_USING_NAMESPACE
  50
  51 // Documentation for this class is emited in the
  52 // OSGShadowMapEngineBase.cpp file.
  53 // To modify it, please change the .fcd file (OSGShadowMapEngine.fcd) and
  54 // regenerate the base file.
  55
  56 BitVector ShadowMapEngine::bvLightPassMask   = 0;
  57 BitVector ShadowMapEngine::bvAmbientPassMask = 0;
  58 BitVector ShadowMapEngine::bvDiffusePassMask = 0;
  59
  60 ChunkMaterialUnrecPtr ShadowMapEngine::_pLightPassMat = NULL;
  61
  62 /*-------------------------------------------------------------------------*/
  63 /*                               Sync                                      */
  64
  65 void ShadowMapEngine::changed(ConstFieldMaskArg whichField,
  66                               UInt32            origin,
  67                               BitVector         details)
  68 {
  69     Inherited::changed(whichField, origin, details);
  70 }
  71
  72 /*-------------------------------------------------------------------------*/
  73 /*                               Dump                                      */
  74
  75 void ShadowMapEngine::dump(      UInt32    uiIndent,
  76                            const BitVector bvFlags) const
  77 {
  78    Inherited::dump(uiIndent, bvFlags);
  79 }
  80
  81 /*-------------------------------------------------------------------------*/
  82 /*                            Constructors                                 */
  83
  84 ShadowMapEngine::ShadowMapEngine(void) :
  85      Inherited  (  )
  86
  87 {
  88 }
  89
  90 ShadowMapEngine::ShadowMapEngine(const ShadowMapEngine &source) :
  91      Inherited  (source)
  92 {
  93 }
  94
  95 /*-------------------------------------------------------------------------*/
  96 /*                             Destructor                                  */
  97
  98 ShadowMapEngine::~ShadowMapEngine(void)
  99 {
 100 }
 101
 102 /*-------------------------------------------------------------------------*/
 103 /*                                Init                                     */
 104
 105 void ShadowMapEngine::initMethod(InitPhase ePhase)
 106 {
 107     Inherited::initMethod(ePhase);
 108
 109
 110     if(ePhase == TypeObject::SystemPost)
 111     {
 112         bvLightPassMask   =
 113             PassMaskPool::the()->get("shadowMapEngine::LightPass");
 114         bvAmbientPassMask =
 115             PassMaskPool::the()->get("shadowMapEngine::AmbientPass");
 116         bvDiffusePassMask =
 117             PassMaskPool::the()->get("shadowMapEngine::DiffusePass");
 118     }
 119     else if(ePhase == TypeObject::FactoryPost)
 120     {
 121         if(_pLightPassMat == NULL)
 122         {
 123             _pLightPassMat = ChunkMaterial::createLocal();
 124
 125             MaterialChunkUnrecPtr pMatChunk = MaterialChunk::createLocal();
 126
 127             pMatChunk->setLit          (false  );
 128             pMatChunk->setColorMaterial(GL_NONE);
 129
 130             _pLightPassMat->addChunk(pMatChunk);
 131
 132             _pLightPassMat->changed(FieldBits::AllFields,
 133                                     ChangedOrigin::Commit,
 134                                     0);
 135         }
 136     }
 137 }
 138
 139 void ShadowMapEngine::exitMethod(InitPhase ePhase)
 140 {
 141     Inherited::exitMethod(ePhase);
 142
 143     if(ePhase == TypeObject::SystemPost)
 144     {
 145         _pLightPassMat = NULL;
 146     }
 147 }