Source/System/FileIO/OSB/OSGOSBChunkMaterialElement.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
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   5  *                   Copyright (C) 2009 by the OpenSG Forum                  *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 #include "OSGOSBChunkMaterialElement.h"
  40
  41 #include "OSGOSBRootElement.h"
  42 #include "OSGChunkMaterial.h"
  43
  44 #include "OSGOSBTextureChunkElement.h"
  45 #include "OSGOSBCubeTextureChunkElement.h"
  46 #include "OSGTextureObjChunk.h"
  47 #include "OSGCubeTextureObjChunk.h"
  48 #include "OSGTextureEnvChunk.h"
  49
  50 OSG_USING_NAMESPACE
  51
  52 /*-------------------------------------------------------------------------*/
  53 /* OSBChunkMaterialElement                                                 */
  54 /*-------------------------------------------------------------------------*/
  55
  56 /*-------------------------------------------------------------------------*/
  57 /* Static members                                                          */
  58
  59 OSBElementRegistrationHelper<OSBChunkMaterialElement>
  60     OSBChunkMaterialElement::_regHelper =
  61         OSBElementRegistrationHelper<OSBChunkMaterialElement>("ChunkMaterial");
  62
  63 OSBElementRegistrationHelper<OSBChunkMaterialElement>
  64     OSBChunkMaterialElement::_regHelperSimple =
  65         OSBElementRegistrationHelper<OSBChunkMaterialElement>("SimpleMaterial");
  66
  67 /*-------------------------------------------------------------------------*/
  68 /* Constructor                                                             */
  69
  70 OSBChunkMaterialElement::OSBChunkMaterialElement(OSBRootElement *root) :
  71      Inherited            (root,
  72                            OSGOSBHeaderVersion200),
  73     _mfSlots              (                      ),
  74     _chunksPtrFieldIt     (                      ),
  75     _chunksPtrFieldItValid(false                 )
  76 {
  77 }
  78
  79 /*-------------------------------------------------------------------------*/
  80 /* Destructor                                                              */
  81
  82 OSBChunkMaterialElement::~OSBChunkMaterialElement(void)
  83 {
  84 }
  85
  86 /*-------------------------------------------------------------------------*/
  87 /* Reading                                                                 */
  88
  89 void
  90 OSBChunkMaterialElement::read(const std::string &typeName)
  91 {
  92     OSG_OSB_LOG(("OSBChunkMaterialElement::read [%s]\n", typeName.c_str()));
  93
  94     BinaryReadHandler *rh = editRoot()->getReadHandler();
  95
  96     UInt8  ptrTypeId;
  97     UInt16 version;
  98
  99     rh->getValue(ptrTypeId);
 100     rh->getValue(version  );
 101
 102     OSG_OSB_LOG(("OSBChunkMaterialElement::read: version: [%u]\n", version));
 103
 104     std::string    fieldName;
 105     std::string    fieldTypeName;
 106     UInt32         fieldSize;
 107     PtrFieldListIt ptrFieldIt;
 108
 109     ChunkMaterialUnrecPtr pMat = dynamic_pointer_cast<ChunkMaterial>(
 110         FieldContainerFactory::the()->createContainer(typeName.c_str()));
 111
 112     setContainer(pMat);
 113
 114     while(readFieldHeader("", fieldName, fieldTypeName, fieldSize))
 115     {
 116         if(fieldName == "slots")
 117         {
 118             // read slots field into separate field - the real field gets
 119             // filled in postRead
 120             _mfSlots.copyFromBin(*rh);
 121         }
 122         else if(fieldName == "chunks")
 123         {
 124             // keep an interator to the _mfChunks field contents
 125             readFieldContent(fieldName, fieldTypeName, fieldSize, "",
 126                              _chunksPtrFieldIt);
 127
 128             _chunksPtrFieldItValid = true;
 129         }
 130         else
 131         {
 132             readFieldContent(fieldName, fieldTypeName, fieldSize, "",
 133                              ptrFieldIt);
 134         }
 135     }
 136 }
 137
 138 void
 139 OSBChunkMaterialElement::postRead(void)
 140 {
 141     // _mfChunks and _mfSlots have to be kept consistent for ChunkMaterial.
 142     // Also TextureChunk is split into TextureObjChunk and TextureObjChunk
 143     // on load, so the slot info has to be duplicated.
 144     // TODO:
 145     // It would be better if that handling could be confined to
 146     // TextureChunkElement, but I've not found a good way to do that and keep
 147     // the information in _mfSlots correct. -- cneumann
 148
 149     const OSBRootElement *root   = getRoot();
 150     ChunkMaterial        *chkMat =
 151         dynamic_cast<ChunkMaterial *>(getContainer());
 152
 153     // No chunks loaded
 154     if(_chunksPtrFieldItValid == false)
 155         return;
 156
 157     PtrFieldInfo::PtrIdStoreConstIt idIt  =
 158         _chunksPtrFieldIt->getIdStore().begin();
 159     PtrFieldInfo::PtrIdStoreConstIt idEnd =
 160         _chunksPtrFieldIt->getIdStore().end  ();
 161
 162     for(UInt32 i = 0; idIt != idEnd; ++idIt, ++i)
 163     {
 164         OSBRootElement::IdElemMapConstIt mapIt =
 165             root->getIdElemMap().find(*idIt);
 166
 167         if(mapIt == root->getIdElemMap().end())
 168             continue;
 169
 170         OSBElementBase             *chunkElem    = mapIt->second;
 171         OSBTextureChunkElement     *texChunkElem =
 172             dynamic_cast<OSBTextureChunkElement *>(chunkElem);
 173         OSBCubeTextureChunkElement *cubeTexChunkElem =
 174             dynamic_cast<OSBCubeTextureChunkElement *>(chunkElem);
 175
 176         if(texChunkElem != NULL)
 177         {
 178             // TextureChunk
 179             TextureObjChunk *texObj = texChunkElem->getTexObjChunk();
 180             TextureEnvChunk *texEnv = texChunkElem->getTexEnvChunk();
 181
 182             if(i < _mfSlots.size())
 183             {
 184                 chkMat->addChunk(texObj, _mfSlots[i]);
 185                 chkMat->addChunk(texEnv, _mfSlots[i]);
 186             }
 187             else
 188             {
 189                 chkMat->addChunk(texObj);
 190                 chkMat->addChunk(texEnv);
 191             }
 192         }
 193         else if(cubeTexChunkElem != NULL)
 194         {
 195             // TextureChunk
 196             CubeTextureObjChunk *cubeTexObj =
 197                 cubeTexChunkElem->getCubeTexObjChunk();
 198             TextureEnvChunk     *texEnv     =
 199                 cubeTexChunkElem->getTexEnvChunk();
 200
 201             if(i < _mfSlots.size())
 202             {
 203                 chkMat->addChunk(cubeTexObj, _mfSlots[i]);
 204                 chkMat->addChunk(texEnv,     _mfSlots[i]);
 205             }
 206             else
 207             {
 208                 chkMat->addChunk(cubeTexObj);
 209                 chkMat->addChunk(texEnv    );
 210             }
 211         }
 212         else
 213         {
 214             // other chunk
 215             StateChunk *chunk = dynamic_cast<StateChunk *>(chunkElem->getContainer());
 216
 217             if(i < _mfSlots.size())
 218             {
 219                 chkMat->addChunk(chunk, _mfSlots[i]);
 220             }
 221             else
 222             {
 223                 chkMat->addChunk(chunk);
 224             }
 225         }
 226     }
 227
 228     // pointer mapping is already done here for _mfChunks, clear info
 229     _chunksPtrFieldIt->editIdStore     ().clear();
 230     _chunksPtrFieldIt->editBindingStore().clear();
 231 }
 232
 233 /*-------------------------------------------------------------------------*/
 234 /* Writing                                                                 */
 235
 236 void
 237 OSBChunkMaterialElement::preWrite(FieldContainer * const fc)
 238 {
 239     OSG_OSB_LOG(("OSBChunkMaterialElement::preWrite\n"));
 240
 241     preWriteFieldContainer(fc, "");
 242 }
 243
 244 void
 245 OSBChunkMaterialElement::write(void)
 246 {
 247     OSG_OSB_LOG(("OSBChunkMaterialElement::write\n"));
 248
 249     if(getContainer() == NULL)
 250     {
 251         FWARNING(("OSBChunkMaterialElement::write: Attempt to write NULL.\n"));
 252         return;
 253     }
 254
 255     BinaryWriteHandler *wh = editRoot()->getWriteHandler();
 256
 257     wh->putValue(getFCPtrType(getContainer()));
 258     wh->putValue(getVersion()                );
 259
 260     writeFields("", true);
 261 }