Source/System/NodeCores/Groups/Misc/OSGMaterialChunkOverrideGroup.cpp

   1 /*---------------------------------------------------------------------------*\
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   5  *               Copyright (C) 2000-2006 by the OpenSG Forum                 *
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  12 /*---------------------------------------------------------------------------*\
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  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 #include "OSGMaterialChunkOverrideGroup.h"
  49 #include "OSGRenderAction.h"
  50 #include "OSGChunkMaterial.h"
  51 #include "OSGStateChunk.h"
  52
  53 OSG_BEGIN_NAMESPACE
  54
  55 // Documentation for this class is emitted in the
  56 // OSGMaterialChunkOverrideGroupBase.cpp file.
  57 // To modify it, please change the .fcd file (OSGMaterialChunkOverrideGroup.fcd) and
  58 // regenerate the base file.
  59
  60 /***************************************************************************\
  61  *                           Class variables                               *
  62 \***************************************************************************/
  63
  64 /***************************************************************************\
  65  *                           Class methods                                 *
  66 \***************************************************************************/
  67
  68 void MaterialChunkOverrideGroup::initMethod(InitPhase ePhase)
  69 {
  70     Inherited::initMethod(ePhase);
  71
  72     if(ePhase == TypeObject::SystemPost)
  73     {
  74         RenderAction::registerEnterDefault(
  75             MaterialChunkOverrideGroup::getClassType(),
  76             reinterpret_cast<Action::Callback>(
  77                 &MaterialChunkOverrideGroup::renderEnter));
  78
  79         RenderAction::registerLeaveDefault(
  80             MaterialChunkOverrideGroup::getClassType(),
  81             reinterpret_cast<Action::Callback>(
  82                 &MaterialChunkOverrideGroup::renderLeave));
  83     }
  84 }
  85
  86
  87 /***************************************************************************\
  88  *                           Instance methods                              *
  89 \***************************************************************************/
  90
  91 /*-------------------------------------------------------------------------*\
  92  -  private                                                                 -
  93 \*-------------------------------------------------------------------------*/
  94
  95 /*----------------------- constructors & destructors ----------------------*/
  96
  97 MaterialChunkOverrideGroup::MaterialChunkOverrideGroup(void) :
  98     Inherited()
  99 {
 100 }
 101
 102 MaterialChunkOverrideGroup::MaterialChunkOverrideGroup(
 103     const MaterialChunkOverrideGroup &source) :
 104
 105     Inherited(source)
 106 {
 107 }
 108
 109 MaterialChunkOverrideGroup::~MaterialChunkOverrideGroup(void)
 110 {
 111 }
 112
 113 /*----------------------------- class specific ----------------------------*/
 114
 115 void MaterialChunkOverrideGroup::changed(ConstFieldMaskArg whichField,
 116                                          UInt32            origin,
 117                                          BitVector         details)
 118 {
 119     Inherited::changed(whichField, origin, details);
 120 }
 121
 122 void MaterialChunkOverrideGroup::dump(      UInt32    ,
 123                                       const BitVector ) const
 124 {
 125     SLOG << "Dump MaterialChunkOverrideGroup NI" << std::endl;
 126 }
 127
 128 /*-------------------------------------------------------------------------*/
 129 /*                               Render                                    */
 130
 131 Action::ResultE MaterialChunkOverrideGroup::renderEnter(Action *action)
 132 {
 133     RenderAction *pAction   = dynamic_cast<RenderAction *>(action);
 134     Material     *pMaterial = this->getMaterial();
 135
 136     if(pAction != NULL && pMaterial != NULL)
 137     {
 138         pMaterial = pMaterial->finalize(pAction->getRenderProperties(),
 139                                         pAction->getCurrentOverrides(),
 140                                         pAction->getWindow          ());
 141
 142         if(pMaterial)
 143         {
 144             ChunkMaterial *pChunkMaterial =
 145                 dynamic_cast<ChunkMaterial*>(pMaterial);
 146
 147             if(pChunkMaterial != NULL)
 148             {
 149                 ChunkBlockUnrecPtr pBlock = this->finalize(0x0000);
 150
 151                 if(pBlock == NULL)
 152                 {
 153                     pBlock = ChunkBlock::create();
 154
 155                     this->addChunkBlock(pBlock, 0x0000);
 156                 }
 157
 158                 pChunkMaterial->fill(pBlock);
 159
 160                 return Inherited::renderEnter(action);
 161             }
 162             else
 163             {
 164                 Action::ResultE r = Group::renderEnter(action);
 165
 166                 // ok all children are culled away so we leave
 167                 // immediately and don't set the material!
 168                 if(r == Action::Skip)
 169                     return r;
 170
 171                 pAction->overrideMaterial(pMaterial, pAction->getActNode());
 172
 173                 return r;
 174             }
 175         }
 176     }
 177
 178     return Group::renderEnter(action);
 179 }
 180
 181 Action::ResultE MaterialChunkOverrideGroup::renderLeave(Action *action)
 182 {
 183     RenderAction *pAction   = dynamic_cast<RenderAction *>(action);
 184     Material     *pMaterial = this->getMaterial();
 185
 186     if(pAction != NULL && pMaterial != NULL)
 187     {
 188         pMaterial = pMaterial->finalize(pAction->getRenderProperties(),
 189                                         pAction->getCurrentOverrides(),
 190                                         pAction->getWindow          ());
 191
 192         if(pMaterial != NULL)
 193         {
 194             ChunkMaterial *pChunkMaterial =
 195                 dynamic_cast<ChunkMaterial*>(pMaterial);
 196
 197             if(pChunkMaterial != NULL)
 198             {
 199                 ChunkBlockUnrecPtr pBlock = this->finalize(0x0000);
 200
 201                 if(pBlock != NULL)
 202                     pBlock->clearChunks();
 203             }
 204
 205             return Inherited::renderLeave(action);
 206         }
 207         else
 208         {
 209             pAction->overrideMaterial(NULL, pAction->getActNode());
 210         }
 211     }
 212
 213     return Group::renderLeave(action);
 214 }
 215
 216 OSG_END_NAMESPACE