Source/Contrib/BackgroundLoader/OSGModelRequest.cpp

   1 // the general scene file loading handler
   2 #include "OSGSceneFileHandler.h"
   3 #include "OSGVerifyGraphOp.h"
   4
   5 #include "OSGModelRequest.h"
   6 #include "OSGGraphOpSeq.h"
   7
   8 #include <iostream>
   9
  10 OSG_BEGIN_NAMESPACE
  11
  12 ModelRequest::ModelRequest(void) :
  13     mParent     (NULL     ),
  14     mModel      (NULL     ),
  15     mFilename   (         ),
  16     pChangeList (NULL     ),
  17     bVerifyModel(true     ),
  18     szGraphOp   ("default")
  19 {
  20 }
  21
  22 ModelRequest::~ModelRequest(void)
  23 {
  24     mParent     = NULL;
  25     mModel      = NULL;
  26     pChangeList = NULL;
  27 }
  28
  29 std::string ModelRequest::getDescription(void)
  30 {
  31    return std::string("ModelRequest: ") + mFilename;
  32 }
  33
  34 void ModelRequest::execute(void)
  35 {
  36    std::cout << "ModelRequest: loading model: " << mFilename << std::endl;
  37
  38    GraphOpSeqRefPtr pGraphOp = NULL;
  39
  40    if(szGraphOp.compare("none") == 0)
  41    {
  42        // leave it NULL
  43    }
  44    else if(szGraphOp.compare("default") == 0)
  45    {
  46        pGraphOp = SceneFileHandler::the()->getDefaultGraphOp();
  47    }
  48    else
  49    {
  50        pGraphOp = GraphOpSeq::create(szGraphOp);
  51    }
  52
  53    fprintf(stderr, "Using graphop %p\n", static_cast<void *>(pGraphOp.get()));
  54
  55    mModel = SceneFileHandler::the()->read(mFilename.c_str(),
  56                                           pGraphOp         );
  57
  58    if(bVerifyModel == true)
  59    {
  60        std::cout << "verify model" << std::endl;
  61
  62        VerifyGraphOpRefPtr vop = VerifyGraphOp::create();
  63
  64        vop->setRepair (true);
  65        vop->setVerbose(true);
  66
  67        vop->traverse(mModel.get());
  68    }
  69
  70    commitChanges();
  71
  72    pChangeList->merge(*Thread::getCurrentChangeList());
  73
  74    clearChangeList();
  75 }
  76
  77 void ModelRequest::sync(void)
  78 {
  79    if (mParent != NULL && mModel != NULL)
  80    {
  81       std::cout << "ModelRequest: adding model to scene: "
  82                 << mFilename
  83                 << std::endl;
  84
  85       mParent->addChild(mModel);
  86
  87       Thread::getCurrentChangeList()->merge(*pChangeList);
  88    }
  89
  90    mCompleted = true;
  91 }
  92
  93 void ModelRequest::setVerifyModel(bool bVal)
  94 {
  95     bVerifyModel = bVal;
  96 }
  97
  98 void ModelRequest::setGraphOp(const std::string &szVal)
  99 {
 100     szGraphOp = szVal;
 101 }
 102
 103 OSG_END_NAMESPACE