FGFS-4.1/OpenSceneGraph
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Check existence of path before reading image

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When loading texture images inside the FBX plugin check that the path
exists before trying to read the image. This is done to avoid
unnecessary warnings inside the readRefImageFile function.
This commit is contained in:
Björn Blissing 2018-05-03 12:56:08 +02:00
parent 5feb9e58f7
commit 2761bca496
1 changed files with 28 additions and 7 deletions
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29
src/osgPlugins/fbx/fbxMaterialToOsgStateSet.cpp
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@ -169,16 +169,37 @@ StateSetContent FbxMaterialToOsgStateSet::convert(const FbxSurfaceMaterial* pFbx
osg::ref_ptr<osg::Texture2D> FbxMaterialToOsgStateSet::fbxTextureToOsgTexture(const FbxFileTexture* fbx)
{
// Try to find image in cache
ImageMap::iterator it = _imageMap.find(fbx->GetFileName());
if (it != _imageMap.end())
return it->second;
osg::ref_ptr<osg::Image> pImage = NULL;
// Try to locate valid filename
std::string filename = "";
// Warning: fbx->GetRelativeFileName() is relative TO EXECUTION DIR
// fbx->GetFileName() is as stored initially in the FBX
if ((pImage = osgDB::readRefImageFile(osgDB::concatPaths(_dir, fbx->GetFileName()), _options)) || // First try "export dir/name"
(pImage = osgDB::readRefImageFile(fbx->GetFileName(), _options)) || // Then try "name" (if absolute)
(pImage = osgDB::readRefImageFile(osgDB::concatPaths(_dir, fbx->GetRelativeFileName()), _options))) // Else try "current dir/name"
if (osgDB::fileExists(osgDB::concatPaths(_dir, fbx->GetFileName()))) // First try "export dir/name"
{
filename = osgDB::concatPaths(_dir, fbx->GetFileName());
}
else if (osgDB::fileExists(fbx->GetFileName())) // Then try "name" (if absolute)
{
filename = fbx->GetFileName();
}
else if (osgDB::fileExists(osgDB::concatPaths(_dir, fbx->GetRelativeFileName()))) // Else try "current dir/name"
{
filename = osgDB::concatPaths(_dir, fbx->GetRelativeFileName());
}
else
{
OSG_WARN << "Could not find valid file for " << fbx->GetFileName() << std::endl;
return NULL;
}
osg::ref_ptr<osg::Image> pImage = osgDB::readRefImageFile(filename, _options);
if (pImage.valid())
{
osg::ref_ptr<osg::Texture2D> pOsgTex = new osg::Texture2D;
pOsgTex->setImage(pImage.get());