// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+
#include "ModelRegistry.hxx"
#include <algorithm>
#include <OpenThreads/ScopedLock>
-#include <osg/observer_ptr>
#include <osg/ref_ptr>
#include <osg/Group>
#include <osg/NodeCallback>
#include <simgear/props/props_io.hxx>
#include <simgear/props/condition.hxx>
+#include "BoundingVolumeBuildVisitor.hxx"
+
using namespace std;
using namespace osg;
using namespace osgUtil;
using namespace osgDB;
using namespace simgear;
+using OpenThreads::ReentrantMutex;
+using OpenThreads::ScopedLock;
+
// Little helper class that holds an extra reference to a
// loaded 3d model.
// Since we clone all structural nodes from our 3d models,
ref_ptr<Referenced> mReferenced;
};
+// Set the name of a Texture to the simple name of its image
+// file. This can be used to do livery substitution after the image
+// has been deallocated.
+class TextureNameVisitor : public NodeAndDrawableVisitor {
+public:
+ TextureNameVisitor(NodeVisitor::TraversalMode tm = NodeVisitor::TRAVERSE_ALL_CHILDREN) :
+ NodeAndDrawableVisitor(tm)
+ {
+ }
+
+ virtual void apply(Node& node)
+ {
+ nameTextures(node.getStateSet());
+ traverse(node);
+ }
+
+ virtual void apply(Drawable& drawable)
+ {
+ nameTextures(drawable.getStateSet());
+ }
+protected:
+ void nameTextures(StateSet* stateSet)
+ {
+ if (!stateSet)
+ return;
+ int numUnits = stateSet->getTextureAttributeList().size();
+ for (int i = 0; i < numUnits; ++i) {
+ StateAttribute* attr
+ = stateSet->getTextureAttribute(i, StateAttribute::TEXTURE);
+ Texture2D* texture = dynamic_cast<Texture2D*>(attr);
+ if (!texture || !texture->getName().empty())
+ continue;
+ const Image *image = texture->getImage();
+ if (!image)
+ continue;
+ texture->setName(image->getFileName());
+ }
+ }
+};
+
// Change the StateSets of a model to hold different textures based on
// a livery path.
+
class TextureUpdateVisitor : public NodeAndDrawableVisitor {
public:
- TextureUpdateVisitor(const FilePathList& pathList) : _pathList(pathList) {}
+ TextureUpdateVisitor(const FilePathList& pathList) :
+ NodeAndDrawableVisitor(NodeVisitor::TRAVERSE_ALL_CHILDREN),
+ _pathList(pathList)
+ {
+ }
+
virtual void apply(Node& node)
{
StateSet* stateSet = cloneStateSet(node.getStateSet());
if (stateSet)
drawable.setStateSet(stateSet);
}
- // Copied whole from Mathias' earlier SGTextureUpdateVisitor
+ // Copied from Mathias' earlier SGTextureUpdateVisitor
protected:
Texture2D* textureReplace(int unit, const StateAttribute* attr)
{
if (!texture)
return 0;
- const Image* image = texture->getImage(0);
- if (!image)
- return 0;
+ const Image* image = texture->getImage();
+ const string* fullFilePath = 0;
+ if (image) {
+ // The currently loaded file name
+ fullFilePath = &image->getFileName();
- // The currently loaded file name
- const string& fullFilePath = image->getFileName();
+ } else {
+ fullFilePath = &texture->getName();
+ }
// The short name
- string fileName = getSimpleFileName(fullFilePath);
+ string fileName = getSimpleFileName(*fullFilePath);
+ if (fileName.empty())
+ return 0;
// The name that should be found with the current database path
string fullLiveryFile = findFileInPath(fileName, _pathList);
// If it is empty or they are identical then there is nothing to do
- if (fullLiveryFile.empty() || fullLiveryFile == fullFilePath)
+ if (fullLiveryFile.empty() || fullLiveryFile == *fullFilePath)
return 0;
-
Image* newImage = readImageFile(fullLiveryFile);
if (!newImage)
return 0;
-
CopyOp copyOp(CopyOp::DEEP_COPY_ALL & ~CopyOp::DEEP_COPY_IMAGES);
Texture2D* newTexture = static_cast<Texture2D*>(copyOp(texture));
if (!newTexture) {
return newTexture;
}
}
+
StateSet* cloneStateSet(const StateSet* stateSet)
{
typedef pair<int, Texture2D*> Tex2D;
FilePathList _pathList;
};
+// Create new userdata structs in a copied model.
+// The BVH trees are shared with the original model, but the velocity fields
+// should usually be distinct fields for distinct models.
+class UserDataCopyVisitor : public osg::NodeVisitor {
+public:
+ UserDataCopyVisitor() :
+ osg::NodeVisitor(osg::NodeVisitor::NODE_VISITOR,
+ osg::NodeVisitor::TRAVERSE_ALL_CHILDREN)
+ {
+ }
+ virtual void apply(osg::Node& node)
+ {
+ osg::ref_ptr<SGSceneUserData> userData;
+ userData = SGSceneUserData::getSceneUserData(&node);
+ if (userData.valid()) {
+ SGSceneUserData* newUserData = new SGSceneUserData(*userData);
+ newUserData->setVelocity(0);
+ node.setUserData(newUserData);
+ }
+ node.traverse(*this);
+ }
+};
class SGTexCompressionVisitor : public SGTextureStateAttributeVisitor {
public:
if (!texture)
return;
- // Hmm, true??
- texture->setDataVariance(osg::Object::STATIC);
+ // Do not touch dynamically generated textures.
+ if (texture->getReadPBuffer())
+ return;
+ if (texture->getDataVariance() == osg::Object::DYNAMIC)
+ return;
+ // If no image attached, we assume this one is dynamically generated
Image* image = texture->getImage(0);
if (!image)
return;
texture = dynamic_cast<Texture*>(refAttr.first.get());
if (!texture)
return;
+
+ // Cannot be static if this is a render to texture thing
+ if (texture->getReadPBuffer())
+ return;
+ if (texture->getDataVariance() == osg::Object::DYNAMIC)
+ return;
+ // If no image attached, we assume this one is dynamically generated
+ Image* image = texture->getImage(0);
+ if (!image)
+ return;
texture->setDataVariance(Object::STATIC);
}
{
if (!stateSet)
return;
- SGTextureStateAttributeVisitor::apply(stateSet);
stateSet->setDataVariance(Object::STATIC);
+ SGTextureStateAttributeVisitor::apply(stateSet);
}
};
-class SGAcMaterialCrippleVisitor : public SGStateAttributeVisitor {
-public:
- virtual void apply(StateSet::RefAttributePair& refAttr)
- {
- Material* material;
- material = dynamic_cast<Material*>(refAttr.first.get());
- if (!material)
- return;
- material->setColorMode(Material::AMBIENT_AND_DIFFUSE);
- }
-};
-
-// Work around an OSG bug - the file loaders don't use the file path
-// in options while the file is being loaded.
-
-struct OptionsPusher {
- FilePathList localPathList;
- bool validOptions;
- OptionsPusher(const ReaderWriter::Options* options):
- validOptions(false)
- {
- if (!options)
- return;
- Registry* registry = Registry::instance();
- localPathList = registry->getDataFilePathList();
- const FilePathList& regPathList = registry->getDataFilePathList();
- const FilePathList& optionsPathList = options->getDatabasePathList();
- for (FilePathList::const_iterator iter = optionsPathList.begin();
- iter != optionsPathList.end();
- ++iter) {
- if (find(regPathList.begin(), regPathList.end(), *iter)
- == regPathList.end())
- localPathList.push_back(*iter);
- }
- // Save the current Registry path list and install the augmented one.
- localPathList.swap(registry->getDataFilePathList());
- validOptions = true;
- }
- ~OptionsPusher()
- {
- // Restore the old path list
- if (validOptions)
- localPathList.swap(Registry::instance()->getDataFilePathList());
- }
-};
} // namespace
+Node* DefaultProcessPolicy::process(Node* node, const string& filename,
+ const ReaderWriter::Options* opt)
+{
+ TextureNameVisitor nameVisitor;
+ node->accept(nameVisitor);
+ return node;
+}
+
ReaderWriter::ReadResult
ModelRegistry::readImage(const string& fileName,
const ReaderWriter::Options* opt)
{
- OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(readerMutex);
+ ScopedLock<ReentrantMutex> lock(readerMutex);
CallbackMap::iterator iter
= imageCallbackMap.find(getFileExtension(fileName));
// XXX Workaround for OSG plugin bug
{
- OptionsPusher pusher(opt);
if (iter != imageCallbackMap.end() && iter->second.valid())
return iter->second->readImage(fileName, opt);
- string absFileName = findDataFile(fileName);
+ string absFileName = findDataFile(fileName, opt);
if (!fileExists(absFileName)) {
SG_LOG(SG_IO, SG_ALERT, "Cannot find image file \""
<< fileName << "\"");
Registry* registry = Registry::instance();
ReaderWriter::ReadResult res;
res = registry->readImageImplementation(absFileName, opt);
+ if (!res.success()) {
+ SG_LOG(SG_IO, SG_WARN, "Image loading failed:" << res.message());
+ return res;
+ }
+
if (res.loadedFromCache())
- SG_LOG(SG_IO, SG_INFO, "Returning cached image \""
+ SG_LOG(SG_IO, SG_BULK, "Returning cached image \""
<< res.getImage()->getFileName() << "\"");
else
- SG_LOG(SG_IO, SG_INFO, "Reading image \""
+ SG_LOG(SG_IO, SG_BULK, "Reading image \""
<< res.getImage()->getFileName() << "\"");
return res;
osg::Node* cached
= dynamic_cast<Node*>(registry->getFromObjectCache(fileName));
if (cached)
- SG_LOG(SG_IO, SG_INFO, "Got cached model \""
+ SG_LOG(SG_IO, SG_BULK, "Got cached model \""
<< fileName << "\"");
else
- SG_LOG(SG_IO, SG_INFO, "Reading model \""
+ SG_LOG(SG_IO, SG_BULK, "Reading model \""
<< fileName << "\"");
return cached;
}
// STATIC so that textures will be globally shared.
SGTexDataVarianceVisitor dataVarianceVisitor;
node->accept(dataVarianceVisitor);
-
+
SGTexCompressionVisitor texComp;
node->accept(texComp);
return node;
}
osg::Node* DefaultCopyPolicy::copy(osg::Node* model, const string& fileName,
- const osgDB::ReaderWriter::Options* opt)
+ const osgDB::ReaderWriter::Options* opt)
{
// Add an extra reference to the model stored in the database.
- // That it to avoid expiring the object from the cache even if it is still
+ // That is to avoid expiring the object from the cache even if it is still
// in use. Note that the object cache will think that a model is unused
// if the reference count is 1. If we clone all structural nodes here
// we need that extra reference to the original object
TextureUpdateVisitor liveryUpdate(opt->getDatabasePathList());
res->accept(liveryUpdate);
+ // Copy the userdata fields, still sharing the boundingvolumes,
+ // but introducing new data for velocities.
+ UserDataCopyVisitor userDataCopyVisitor;
+ res->accept(userDataCopyVisitor);
+
return res;
}
return absFileName;
}
+
+void
+BuildLeafBVHPolicy::buildBVH(const std::string& fileName, osg::Node* node)
+{
+ SG_LOG(SG_IO, SG_BULK, "Building leaf attached boundingvolume tree for \""
+ << fileName << "\".");
+ BoundingVolumeBuildVisitor bvBuilder(true);
+ node->accept(bvBuilder);
+}
+
+void
+BuildGroupBVHPolicy::buildBVH(const std::string& fileName, osg::Node* node)
+{
+ SG_LOG(SG_IO, SG_BULK, "Building group attached boundingvolume tree for \""
+ << fileName << "\".");
+ BoundingVolumeBuildVisitor bvBuilder(false);
+ node->accept(bvBuilder);
+}
+
+void
+NoBuildBVHPolicy::buildBVH(const std::string& fileName, osg::Node*)
+{
+ SG_LOG(SG_IO, SG_BULK, "Omitting boundingvolume tree for \""
+ << fileName << "\".");
+}
+
ModelRegistry::ModelRegistry() :
_defaultCallback(new DefaultCallback(""))
{
nodeCallbackMap.insert(CallbackMap::value_type(extension, callback));
}
-ref_ptr<ModelRegistry> ModelRegistry::instance;
-
-ModelRegistry* ModelRegistry::getInstance()
-
-{
- if (!instance.valid())
- instance = new ModelRegistry;
- return instance.get();
-}
-
ReaderWriter::ReadResult
ModelRegistry::readNode(const string& fileName,
const ReaderWriter::Options* opt)
{
- OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(readerMutex);
+ ScopedLock<ReentrantMutex> lock(readerMutex);
+
// XXX Workaround for OSG plugin bug.
- OptionsPusher pusher(opt);
- Registry* registry = Registry::instance();
+// Registry* registry = Registry::instance();
ReaderWriter::ReadResult res;
- Node* cached = 0;
CallbackMap::iterator iter
= nodeCallbackMap.find(getFileExtension(fileName));
+ ReaderWriter::ReadResult result;
if (iter != nodeCallbackMap.end() && iter->second.valid())
- return iter->second->readNode(fileName, opt);
- return _defaultCallback->readNode(fileName, opt);
+ result = iter->second->readNode(fileName, opt);
+ else
+ result = _defaultCallback->readNode(fileName, opt);
+
+ return result;
}
class SGReadCallbackInstaller {
registry->setOptions(options);
registry->getOrCreateSharedStateManager()->
setShareMode(SharedStateManager::SHARE_STATESETS);
- registry->setReadFileCallback(ModelRegistry::getInstance());
+ registry->setReadFileCallback(ModelRegistry::instance());
}
};
{
ref_ptr<Node> optimized
= OptimizeModelPolicy::optimize(node, fileName, opt);
+ Group* group = dynamic_cast<Group*>(optimized.get());
MatrixTransform* transform
= dynamic_cast<MatrixTransform*>(optimized.get());
- if (transform && transform->getMatrix().isIdentity()
- && transform->getName().empty()
- && transform->getNumChildren() == 1) {
- optimized = static_cast<Node*>(transform->getChild(0));
- Group* group = dynamic_cast<Group*>(optimized.get());
+ if (((transform && transform->getMatrix().isIdentity()) || group)
+ && group->getName().empty()
+ && group->getNumChildren() == 1) {
+ optimized = static_cast<Node*>(group->getChild(0));
+ group = dynamic_cast<Group*>(optimized.get());
if (group && group->getName().empty()
&& group->getNumChildren() == 1)
optimized = static_cast<Node*>(group->getChild(0));
transform->setDataVariance(Object::STATIC);
transform->setMatrix(m);
transform->addChild(node);
- // Ok, this step is questionable.
- // It is there to have the same visual appearance of ac objects for the
- // first cut. Osg's ac3d loader will correctly set materials from the
- // ac file. But the old plib loader used GL_AMBIENT_AND_DIFFUSE for the
- // materials that in effect igored the ambient part specified in the
- // file. We emulate that for the first cut here by changing all
- // ac models here. But in the long term we should use the
- // unchanged model and fix the input files instead ...
- SGAcMaterialCrippleVisitor matCriple;
- root->accept(matCriple);
+
return root;
}
};
typedef ModelRegistryCallback<ACProcessPolicy, DefaultCachePolicy,
ACOptimizePolicy, DefaultCopyPolicy,
- OSGSubstitutePolicy> ACCallback;
+ OSGSubstitutePolicy, BuildLeafBVHPolicy>
+ACCallback;
namespace
{
ModelRegistryCallbackProxy<ACCallback> g_acRegister("ac");
-}
+}
projects / simgear.git / blobdiff