void CollisionShapeManager::SaveShapesToBinaryFile(const String& FileName, ShapeVector& ShapesToSave)
{
btDefaultSerializer* BulletSerializer = new btDefaultSerializer(1024*1024*5);
BulletSerializer->startSerialization();
for( ShapeVectorIterator it = ShapesToSave.begin() ; it != ShapesToSave.end() ; it++ )
{
Physics::CollisionShape* Shape = (*it);
BulletSerializer->registerNameForPointer((void*)Shape->_GetInternalShape(),(*it)->GetName().c_str());
int len = Shape->_GetInternalShape()->calculateSerializeBufferSize();
btChunk* chunk = BulletSerializer->allocate(len,1);
const char* structType = Shape->_GetInternalShape()->serialize(chunk->m_oldPtr, BulletSerializer);
BulletSerializer->finalizeChunk(chunk,structType,BT_SHAPE_CODE,Shape->_GetInternalShape());
}
BulletSerializer->finishSerialization();
FILE* f2 = fopen(FileName.c_str(),"wb");
fwrite(BulletSerializer->getBufferPointer(),BulletSerializer->getCurrentBufferSize(),1,f2);
fclose(f2);
}
void CollisionShapeManager::SaveShapesToXMLFile(const String& FileName, ShapeVector& ShapesToSave)
{
XML::Document ShapesDoc;
XML::Node DeclNode = ShapesDoc.AppendChild(XML::NodeDeclaration);
XML::Attribute VerAttrib = DeclNode.AppendAttribute("version");
if( DeclNode.SetName("xml") && VerAttrib.SetValue("1.0") ) {
XML::Node ShapesRoot = ShapesDoc.AppendChild( "ShapesRoot" );
for( ShapeVectorIterator ShapeIt = ShapesToSave.begin() ; ShapeIt != ShapesToSave.end() ; ++ShapeIt )
{
(*ShapeIt)->ProtoSerialize( ShapesRoot );
}
/// @todo Replace this stack allocated stream for one initialized from the Resource Manager, after the system is ready.
Resource::FileStream SettingsStream(FileName,".",Resource::SF_Truncate | Resource::SF_Write);
ShapesDoc.Save(SettingsStream,"\t",XML::FormatIndent);
}else{
MEZZ_EXCEPTION(ExceptionBase::INVALID_STATE_EXCEPTION,"Failed to create XML document declaration for file \"" + FileName + "\".");
}
}
Intersection *Raytracer::get_closest_intersection(Scene *scene, const Ray &ray)
{
ShapeVector *shapes = scene->shapes();
ShapeIterator iter = shapes->begin();
Intersection *closest_intersection = nullptr;
for (; iter != shapes->end(); ++iter)
{
// Calculate the intersection with this shape
Ray *intersection = (*iter)->intersect(ray);
if (intersection != nullptr)
{
// Check if this intersection is closer
if ((closest_intersection == nullptr) ||
(distance_between(ray.vertex(),
intersection->vertex()) <
distance_between(ray.vertex(),
closest_intersection->intersection_point())))
{
// Latest intersection is closer
if (closest_intersection != nullptr)
delete closest_intersection;
closest_intersection = new Intersection(
intersection->vertex(),
intersection->direction(),
*iter);
}
delete intersection;
intersection = nullptr;
}
}
return closest_intersection;
}
