fix: general optimization, lazy cooking, transform caching, fix geometry copying

src/Engine/Operator/Attribute.cpp

@@ -29,6 +29,32 @@ ga::Attribute::Attribute(std::string name, ga::AttributeType type)
 
 }
 
+ga::Attribute::Attribute(const Attribute& other)
+{
+    type_ = other.type_;
+    private_= other.private_;
+    hidden_ = other.hidden_;
+    readOnly_ = other.readOnly_;
+    name_ = other.name_;
+
+    switch(type_)
+    {
+        case(AttrType::intT):
+            intStore_=std::make_shared<std::vector<int>>(*other.intStore_);
+            break;
+        case(AttrType::floatT):
+            floatStore_=std::make_shared<std::vector<float>>(*other.floatStore_);
+            break;
+        case(AttrType::vectorT):
+            vector3Store_=std::make_shared<std::vector<enzo::bt::Vector3>>(*other.vector3Store_);
+            break;
+        default:
+            throw std::runtime_error("Type " + std::to_string(static_cast<int>(type_)) + " was not properly accounted for");
+
+    }
+}
+
+
 ga::AttributeType ga::Attribute::getType()
 {
     return type_;