JSONObject* WriteVisitor::createJSONGeometry(osg::Geometry* geom)
{
if (_maps.find(geom) != _maps.end())
return _maps[geom]->getShadowObject();
if (needToSplit(*geom))
error();
osg::ref_ptr<JSONObject> json = new JSONNode;
json->addUniqueID();
_maps[geom] = json;
if (geom->getStateSet())
createJSONStateSet(json, geom->getStateSet());
translateObject(json.get(), geom);
osg::ref_ptr<JSONObject> attributes = new JSONObject;
int nbVertexes = geom->getVertexArray()->getNumElements();
if (geom->getVertexArray()) {
attributes->getMaps()["Vertex"] = createJSONBufferArray(geom->getVertexArray());
}
if (geom->getNormalArray()) {
attributes->getMaps()["Normal"] = createJSONBufferArray(geom->getNormalArray());
int nb = geom->getNormalArray()->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb normals " << nb << " != " << nbVertexes << std::endl;
error();
}
}
if (geom->getColorArray()) {
attributes->getMaps()["Color"] = createJSONBufferArray(geom->getColorArray());
int nb = geom->getColorArray()->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb colors " << nb << " != " << nbVertexes << std::endl;
error();
}
}
std::stringstream ss;
for ( int i = 0; i < 32; i++) {
ss.str("");
ss << "TexCoord" << i;
//osg::notify(osg::NOTICE) << ss.str() << std::endl;
if (geom->getTexCoordArray(i)) {
attributes->getMaps()[ss.str()] = createJSONBufferArray(geom->getTexCoordArray(i));
int nb = geom->getTexCoordArray(i)->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb tex coord " << i << " " << nb << " != " << nbVertexes << std::endl;
error();
}
}
}
if (geom->getVertexAttribArray(TANGENT_ATTRIBUTE_INDEX)) {
attributes->getMaps()["Tangent"] = createJSONBufferArray(geom->getVertexAttribArray(TANGENT_ATTRIBUTE_INDEX));
int nb = geom->getVertexAttribArray(TANGENT_ATTRIBUTE_INDEX)->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb tangent " << nb << " != " << nbVertexes << std::endl;
error();
}
}
if (geom->getVertexAttribArray(BITANGENT_ATTRIBUTE_INDEX)) {
attributes->getMaps()["Bitangent"] = createJSONBufferArray(geom->getVertexAttribArray(BITANGENT_ATTRIBUTE_INDEX));
int nb = geom->getVertexAttribArray(BITANGENT_ATTRIBUTE_INDEX)->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb bitangent " << nb << " != " << nbVertexes << std::endl;
error();
}
}
json->getMaps()["VertexAttributeList"] = attributes;
if (!geom->getPrimitiveSetList().empty()) {
osg::ref_ptr<JSONArray> primitives = new JSONArray();
for (unsigned int i = 0; i < geom->getPrimitiveSetList().size(); ++i) {
osg::ref_ptr<JSONObject> obj = new JSONObject;
if (geom->getPrimitiveSetList()[i]->getType() == osg::PrimitiveSet::DrawArraysPrimitiveType) {
osg::DrawArrays* da = dynamic_cast<osg::DrawArrays*>((geom->getPrimitiveSetList()[i].get()));
primitives->getArray().push_back(obj);
if (da->getMode() == GL_QUADS) {
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElements(da);
} else {
obj->getMaps()["DrawArrays"] = createJSONDrawArray(da);
}
} else if (geom->getPrimitiveSetList()[i]->getType() == osg::PrimitiveSet::DrawElementsUIntPrimitiveType) {
osg::DrawElementsUInt* da = dynamic_cast<osg::DrawElementsUInt*>((geom->getPrimitiveSetList()[i].get()));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElementsUInt(da);
} else if (geom->getPrimitiveSetList()[i]->getType() == osg::PrimitiveSet::DrawElementsUShortPrimitiveType) {
osg::DrawElementsUShort* da = dynamic_cast<osg::DrawElementsUShort*>((geom->getPrimitiveSetList()[i].get()));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElementsUShort(da);
} else if (geom->getPrimitiveSetList()[i]->getType() == osg::PrimitiveSet::DrawElementsUBytePrimitiveType) {
osg::DrawElementsUByte* da = dynamic_cast<osg::DrawElementsUByte*>((geom->getPrimitiveSetList()[i].get()));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElementsUByte(da);
} else if (geom->getPrimitiveSetList()[i]->getType() == osg::PrimitiveSet::DrawArrayLengthsPrimitiveType) {
osg::DrawArrayLengths* dal = dynamic_cast<osg::DrawArrayLengths*>((geom->getPrimitiveSetList()[i].get()));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawArrayLengths"] = createJSONDrawArrayLengths(dal);
} else {
osg::notify(osg::WARN) << "Primitive Type " << geom->getPrimitiveSetList()[i]->getType() << " not supported, skipping" << std::endl;
}
}
json->getMaps()["PrimitiveSetList"] = primitives;
}
return json;
}
JSONObject* WriteVisitor::createJSONGeometry(osg::Geometry* geometry, osg::Object* parent)
{
if(!parent) {
parent = geometry;
}
if (_maps.find(geometry) != _maps.end())
return _maps[geometry]->getShadowObject();
osg::ref_ptr<JSONObject> json = new JSONObject;
json->addUniqueID();
_maps[geometry] = json;
if (geometry->getStateSet())
createJSONStateSet(json.get(), geometry->getStateSet());
translateObject(json.get(), geometry);
osg::ref_ptr<JSONObject> attributes = new JSONObject;
int nbVertexes = 0;
if (geometry->getVertexArray()) {
nbVertexes = geometry->getVertexArray()->getNumElements();
attributes->getMaps()["Vertex"] = createJSONBufferArray(geometry->getVertexArray(), parent);
}
if (geometry->getNormalArray()) {
attributes->getMaps()["Normal"] = createJSONBufferArray(geometry->getNormalArray(), parent);
int nb = geometry->getNormalArray()->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb normals " << nb << " != " << nbVertexes << std::endl;
error();
}
}
if (geometry->getColorArray()) {
attributes->getMaps()["Color"] = createJSONBufferArray(geometry->getColorArray(), parent);
int nb = geometry->getColorArray()->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb colors " << nb << " != " << nbVertexes << std::endl;
error();
}
}
std::stringstream ss;
for ( int i = 0; i < 32; i++) {
ss.str("");
ss << "TexCoord" << i;
//osg::notify(osg::NOTICE) << ss.str() << std::endl;
if (geometry->getTexCoordArray(i)) {
attributes->getMaps()[ss.str()] = createJSONBufferArray(geometry->getTexCoordArray(i), parent);
int nb = geometry->getTexCoordArray(i)->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb tex coord " << i << " " << nb << " != " << nbVertexes << std::endl;
error();
}
}
}
osg::Array* tangents = getTangentSpaceArray(*geometry);
if (tangents) {
attributes->getMaps()["Tangent"] = createJSONBufferArray(tangents, parent);
int nb = tangents->getNumElements();
if (nbVertexes != nb) {
osg::notify(osg::FATAL) << "Fatal nb tangent " << nb << " != " << nbVertexes << std::endl;
error();
}
}
json->getMaps()["VertexAttributeList"] = attributes;
if (!geometry->getPrimitiveSetList().empty()) {
osg::ref_ptr<JSONArray> primitives = new JSONArray();
for (unsigned int i = 0; i < geometry->getNumPrimitiveSets(); ++i) {
osg::ref_ptr<JSONObject> obj = new JSONObject;
osg::PrimitiveSet* primitive = geometry->getPrimitiveSet(i);
if(!primitive) continue;
if (primitive->getType() == osg::PrimitiveSet::DrawArraysPrimitiveType) {
osg::DrawArrays* da = dynamic_cast<osg::DrawArrays*>((primitive));
primitives->getArray().push_back(obj);
if (da->getMode() == GL_QUADS) {
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElements(da, parent);
} else {
obj->getMaps()["DrawArrays"] = createJSONDrawArray(da, parent);
}
} else if (primitive->getType() == osg::PrimitiveSet::DrawElementsUIntPrimitiveType) {
osg::DrawElementsUInt* da = dynamic_cast<osg::DrawElementsUInt*>((primitive));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUInt"] = createJSONDrawElementsUInt(da, parent);
} else if (primitive->getType() == osg::PrimitiveSet::DrawElementsUShortPrimitiveType) {
osg::DrawElementsUShort* da = dynamic_cast<osg::DrawElementsUShort*>((primitive));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUShort"] = createJSONDrawElementsUShort(da, parent);
} else if (primitive->getType() == osg::PrimitiveSet::DrawElementsUBytePrimitiveType) {
osg::DrawElementsUByte* da = dynamic_cast<osg::DrawElementsUByte*>((primitive));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawElementsUByte"] = createJSONDrawElementsUByte(da, parent);
} else if (primitive->getType() == osg::PrimitiveSet::DrawArrayLengthsPrimitiveType) {
osg::DrawArrayLengths* dal = dynamic_cast<osg::DrawArrayLengths*>((primitive));
primitives->getArray().push_back(obj);
obj->getMaps()["DrawArrayLengths"] = createJSONDrawArrayLengths(dal, parent);
} else {
osg::notify(osg::WARN) << "Primitive Type " << geometry->getPrimitiveSetList()[i]->getType() << " not supported, skipping" << std::endl;
}
}
json->getMaps()["PrimitiveSetList"] = primitives;
}
if (geometry->getComputeBoundingBoxCallback()) {
osg::ref_ptr<JSONObject> jsonObj = new JSONObject;
jsonObj->addUniqueID();
json->getMaps()["osg.ComputeBoundingBoxCallback"] = jsonObj;
}
return json.get();
}
