#include <simgear_config.h>
#endif
-#include <osg/observer_ptr>
#include <osg/ref_ptr>
-#include <osg/Group>
-#include <osg/NodeCallback>
-#include <osg/Switch>
-#include <osg/MatrixTransform>
-#include <osgDB/Archive>
-#include <osgDB/FileNameUtils>
-#include <osgDB/FileUtils>
#include <osgDB/ReadFile>
-#include <osgDB/WriteFile>
-#include <osgDB/Registry>
#include <osgDB/SharedStateManager>
-#include <osgUtil/Optimizer>
#include <simgear/scene/util/SGSceneFeatures.hxx>
-#include <simgear/scene/util/SGStateAttributeVisitor.hxx>
-#include <simgear/scene/util/SGTextureStateAttributeVisitor.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
#include <simgear/props/condition.hxx>
-#include "animation.hxx"
#include "model.hxx"
-#include "particles.hxx"
-SG_USING_STD(vector);
+using std::vector;
osg::Texture2D*
SGLoadTexture2D(bool staticTexture, const std::string& path,
}
}
- // Make sure the texture is shared if we already have the same texture
- // somewhere ...
- {
- osg::ref_ptr<osg::Node> tmpNode = new osg::Node;
- osg::StateSet* stateSet = tmpNode->getOrCreateStateSet();
- stateSet->setTextureAttribute(0, texture.get());
-
- // OSGFIXME: don't forget that mutex here
- osgDB::Registry* registry = osgDB::Registry::instance();
- registry->getSharedStateManager()->share(tmpNode.get(), 0);
-
- // should be the same, but be paranoid ...
- stateSet = tmpNode->getStateSet();
- osg::StateAttribute* stateAttr;
- stateAttr = stateSet->getTextureAttribute(0, osg::StateAttribute::TEXTURE);
- osg::Texture2D* texture2D = dynamic_cast<osg::Texture2D*>(stateAttr);
- if (texture2D)
- texture = texture2D;
- }
-
return texture.release();
}
-class SGSwitchUpdateCallback : public osg::NodeCallback {
-public:
- SGSwitchUpdateCallback(SGCondition* condition) :
- mCondition(condition) {}
- virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
- {
- assert(dynamic_cast<osg::Switch*>(node));
- osg::Switch* s = static_cast<osg::Switch*>(node);
-
- if (mCondition && mCondition->test()) {
- s->setAllChildrenOn();
- // note, callback is responsible for scenegraph traversal so
- // should always include call traverse(node,nv) to ensure
- // that the rest of cullbacks and the scene graph are traversed.
- traverse(node, nv);
- } else
- s->setAllChildrenOff();
- }
-
-private:
- SGSharedPtr<SGCondition> mCondition;
-};
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Global functions.
-////////////////////////////////////////////////////////////////////////
-
-osg::Node *
-sgLoad3DModel( const string &fg_root, const string &path,
- SGPropertyNode *prop_root,
- double sim_time_sec, osg::Node *(*load_panel)(SGPropertyNode *),
- SGModelData *data,
- const SGPath& externalTexturePath )
-{
- osg::ref_ptr<osg::Node> model;
- SGPropertyNode props;
-
- // Load the 3D aircraft object itself
- SGPath modelpath = path, texturepath = path;
- if ( !ulIsAbsolutePathName( path.c_str() ) ) {
- SGPath tmp = fg_root;
- tmp.append(modelpath.str());
- modelpath = texturepath = tmp;
- }
-
- // Check for an XML wrapper
- if (modelpath.str().substr(modelpath.str().size() - 4, 4) == ".xml") {
- readProperties(modelpath.str(), &props);
- if (props.hasValue("/path")) {
- modelpath = modelpath.dir();
- modelpath.append(props.getStringValue("/path"));
- if (props.hasValue("/texture-path")) {
- texturepath = texturepath.dir();
- texturepath.append(props.getStringValue("/texture-path"));
- }
- } else {
- if (!model)
- model = new osg::Switch;
- }
- }
-
- osg::ref_ptr<osgDB::ReaderWriter::Options> options
- = new osgDB::ReaderWriter::Options(*osgDB::Registry::instance()
- ->getOptions());
-
- // Assume that textures are in
- // the same location as the XML file.
- if (!model) {
- if (texturepath.extension() != "")
- texturepath = texturepath.dir();
-
- options->setDatabasePath(texturepath.str());
- if (!externalTexturePath.str().empty())
- options->getDatabasePathList().push_back(externalTexturePath.str());
-
- model = osgDB::readNodeFile(modelpath.str(), options.get());
- if (model == 0)
- throw sg_io_exception("Failed to load 3D model",
- sg_location(modelpath.str()));
- }
-
- // Set up the alignment node
- osg::ref_ptr<osg::MatrixTransform> alignmainmodel = new osg::MatrixTransform;
- alignmainmodel->addChild(model.get());
- osg::Matrix res_matrix;
- res_matrix.makeRotate(
- props.getFloatValue("/offsets/pitch-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(0, 1, 0),
- props.getFloatValue("/offsets/roll-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(1, 0, 0),
- props.getFloatValue("/offsets/heading-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(0, 0, 1));
-
- osg::Matrix tmat;
- tmat.makeTranslate(props.getFloatValue("/offsets/x-m", 0.0),
- props.getFloatValue("/offsets/y-m", 0.0),
- props.getFloatValue("/offsets/z-m", 0.0));
- alignmainmodel->setMatrix(res_matrix*tmat);
-
- // Load sub-models
- vector<SGPropertyNode_ptr> model_nodes = props.getChildren("model");
- for (unsigned i = 0; i < model_nodes.size(); i++) {
- SGPropertyNode_ptr node = model_nodes[i];
- osg::ref_ptr<osg::MatrixTransform> align = new osg::MatrixTransform;
- res_matrix.makeIdentity();
- res_matrix.makeRotate(
- node->getDoubleValue("offsets/pitch-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(0, 1, 0),
- node->getDoubleValue("offsets/roll-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(1, 0, 0),
- node->getDoubleValue("offsets/heading-deg", 0.0)*SG_DEGREES_TO_RADIANS,
- osg::Vec3(0, 0, 1));
-
- tmat.makeIdentity();
- tmat.makeTranslate(node->getDoubleValue("offsets/x-m", 0),
- node->getDoubleValue("offsets/y-m", 0),
- node->getDoubleValue("offsets/z-m", 0));
- align->setMatrix(res_matrix*tmat);
-
- osg::ref_ptr<osg::Node> kid;
- const char* submodel = node->getStringValue("path");
- try {
- kid = sgLoad3DModel( fg_root, submodel, prop_root, sim_time_sec, load_panel );
-
- } catch (const sg_throwable &t) {
- SG_LOG(SG_INPUT, SG_ALERT, "Failed to load submodel: " << t.getFormattedMessage());
- throw;
- }
- align->addChild(kid.get());
-
- align->setName(node->getStringValue("name", ""));
-
- SGPropertyNode *cond = node->getNode("condition", false);
- if (cond) {
- osg::ref_ptr<osg::Switch> sw = new osg::Switch;
- sw->setUpdateCallback(new SGSwitchUpdateCallback(sgReadCondition(prop_root, cond)));
- alignmainmodel->addChild(sw.get());
- sw->addChild(align.get());
- sw->setName("submodel condition switch");
- } else {
- alignmainmodel->addChild(align.get());
- }
- }
-
- if ( load_panel ) {
- // Load panels
- vector<SGPropertyNode_ptr> panel_nodes = props.getChildren("panel");
- for (unsigned i = 0; i < panel_nodes.size(); i++) {
- SG_LOG(SG_INPUT, SG_DEBUG, "Loading a panel");
- osg::ref_ptr<osg::Node> panel = load_panel(panel_nodes[i]);
- if (panel_nodes[i]->hasValue("name"))
- panel->setName((char *)panel_nodes[i]->getStringValue("name"));
- alignmainmodel->addChild(panel.get());
- }
- }
-
- std::vector<SGPropertyNode_ptr> particle_nodes;
- particle_nodes = props.getChildren("particlesystem");
- for (unsigned i = 0; i < particle_nodes.size(); ++i)
- {
- if(i==0)
- {
- if (texturepath.extension() != "")
- texturepath = texturepath.dir();
-
- options->setDatabasePath(texturepath.str());
- if (!externalTexturePath.str().empty())
- options->getDatabasePathList().push_back(externalTexturePath.str());
- }
- alignmainmodel.get()->addChild(SGParticles::appendParticles(particle_nodes[i], prop_root, options.get()));
- }
-
- if (data) {
- alignmainmodel->setUserData(data);
- data->modelLoaded(path, &props, alignmainmodel.get());
- }
-
- std::vector<SGPropertyNode_ptr> animation_nodes;
- animation_nodes = props.getChildren("animation");
- for (unsigned i = 0; i < animation_nodes.size(); ++i)
- /// OSGFIXME: duh, why not only model?????
- SGAnimation::animate(alignmainmodel.get(), animation_nodes[i], prop_root,
- options.get());
-
- if (props.hasChild("debug-outfile")) {
- std::string outputfile = props.getStringValue("debug-outfile",
- "debug-model.osg");
- osgDB::writeNodeFile(*alignmainmodel, outputfile);
- }
-
- return alignmainmodel.release();
-}
-
// end of model.cxx
projects / simgear.git / blobdiff