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Change the main ModelRegistry callback function to stash the substituted file in the cache.

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This commit is contained in:
timoore
2007-11-29 23:56:49 +00:00
parent 34704a17f2
commit fdb265cd6e
1 changed files with 34 additions and 20 deletions
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54
simgear/scene/model/ModelRegistry.hxx
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@@ -75,30 +75,44 @@ public:
using namespace osgDB;
using osgDB::ReaderWriter;
Registry* registry = Registry::instance();
std::string usedFileName = _substitutePolicy.substitute(fileName, opt);
if (usedFileName.empty())
usedFileName = fileName;
ref_ptr<osg::Node> loadedNode = _cachePolicy.find(usedFileName, opt);
if (!loadedNode.valid()) {
ReaderWriter* rw = registry ->getReaderWriterForExtension(osgDB::getFileExtension(usedFileName));
if (!rw)
return ReaderWriter::ReadResult(); // FILE_NOT_HANDLED
ReaderWriter::ReadResult res = rw->readNode(usedFileName, opt);
if (!res.validNode())
return res;
ref_ptr<osg::Node> processedNode
= _processPolicy.process(res.getNode(), usedFileName, opt);
ref_ptr<osg::Node> optimizedNode
= _optimizePolicy.optimize(processedNode.get(), usedFileName,
opt);
_cachePolicy.addToCache(usedFileName, optimizedNode.get());
loadedNode = optimizedNode;
ref_ptr<osg::Node> optimizedNode = _cachePolicy.find(fileName, opt);
if (!optimizedNode.valid()) {
std::string otherFileName = _substitutePolicy.substitute(fileName,
opt);
ReaderWriter::ReadResult res;
if (!otherFileName.empty()) {
res = loadUsingReaderWriter(otherFileName, opt);
if (res.validNode())
optimizedNode = res.getNode();
}
if (!optimizedNode.valid()) {
res = loadUsingReaderWriter(fileName, opt);
if (!res.validNode())
return res;
ref_ptr<osg::Node> processedNode
= _processPolicy.process(res.getNode(), fileName, opt);
optimizedNode = _optimizePolicy.optimize(processedNode.get(),
fileName, opt);
}
_cachePolicy.addToCache(fileName, optimizedNode.get());
}
return ReaderWriter::ReadResult(_copyPolicy.copy(loadedNode.get(),
usedFileName,
return ReaderWriter::ReadResult(_copyPolicy.copy(optimizedNode.get(),
fileName,
opt));
}
protected:
static osgDB::ReaderWriter::ReadResult
loadUsingReaderWriter(const std::string& fileName,
const osgDB::ReaderWriter::Options* opt)
{
using namespace osgDB;
ReaderWriter* rw = Registry::instance()
->getReaderWriterForExtension(osgDB::getFileExtension(fileName));
if (!rw)
return ReaderWriter::ReadResult(); // FILE_NOT_HANDLED
return rw->readNode(fileName, opt);
}
ProcessPolicy _processPolicy;
CachePolicy _cachePolicy;
OptimizePolicy _optimizePolicy;