diff --git a/src/global_tables/objects.rs b/src/global_tables/objects.rs
index 9e39cc0..99e475a 100644
--- a/src/global_tables/objects.rs
+++ b/src/global_tables/objects.rs
@@ -144,6 +144,10 @@ impl<Object: Sized> ObjectArray<Object> {
         self.inner.num_elements as usize
     }
 
+    pub fn get(&self, i: usize) -> Option<&ObjectArrayItem<Object>> {
+        self.inner.get_index(i)
+    }
+
     pub fn iter(&self) -> iter::ObjectArrayIterator<'_, Object> {
         iter::ObjectArrayIterator::new(self)
     }
diff --git a/src/helper_types.rs b/src/helper_types.rs
index ac8ef45..93462dc 100644
--- a/src/helper_types.rs
+++ b/src/helper_types.rs
@@ -19,6 +19,7 @@ pub struct TPersistentObjectPtr<T, P> {
 }
 
 pub type TLazyObjectPtr<T> = TPersistentObjectPtr<T, [u8; 0x10]>;
+pub type TAssetPtr<T> = TPersistentObjectPtr<T, [u8; 0x10]>;
 pub type TSoftObjectPtr<T> = TPersistentObjectPtr<T, FSoftObjectPath>;
 
 #[repr(C)]
diff --git a/src/lib.rs b/src/lib.rs
index 7182212..2c228c1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -421,7 +421,8 @@ pub mod sdk {
                                 let param = MethodParameter {
                                     name: prop
                                         .get_name()
-                                        .context("failed to get parameter name")?,
+                                        .context("failed to get parameter name")?
+                                        .to_lowercase(),
                                     ty,
                                 };
 
@@ -561,6 +562,8 @@ pub mod sdk {
                 .into_par_iter()
                 .map(|pkg| pkg.process())
                 .map(|pkg| (pkg.package, pkg))
+                // filter out empty packages
+                .filter(|(_, pkg)| !pkg.types.is_empty())
                 .collect();
 
             Self { packages }
diff --git a/src/v2_types/mod.rs b/src/v2_types/mod.rs
index 9fdca4a..fcd5490 100644
--- a/src/v2_types/mod.rs
+++ b/src/v2_types/mod.rs
@@ -128,13 +128,13 @@ bitflags! {
         const ArchetypeObject              = 0x00000020;
         const Transient                    = 0x00000040;
         const MarkAsRootSet                = 0x00000080;
-        const TagGarbageTemp               = 0x00000100;
-        const NeedInitialization           = 0x00000200;
+        const Unreachable                  = 0x00000100;
+        const TagGarbageTemp               = 0x00000200;
         const NeedLoad                     = 0x00000400;
-        const KeepForCooker                = 0x00000800;
+        const AsyncLoading                 = 0x00000800;
         const NeedPostLoad                 = 0x00001000;
         const NeedPostLoadSubobjects       = 0x00002000;
-        const NewerVersionExists           = 0x00004000;
+        const PendingKill                  = 0x00004000;
         const BeginDestroyed               = 0x00008000;
         const FinishDestroyed              = 0x00010000;
         const BeingRegenerated             = 0x00020000;
@@ -142,6 +142,7 @@ bitflags! {
         const WasLoaded                    = 0x00080000;
         const TextExportTransient          = 0x00100000;
         const LoadCompleted                = 0x00200000;
+        // not existant for 4.5.1 / ARK
         const InheritableComponentTemplate = 0x00400000;
         const DuplicateTransient           = 0x00800000;
         const StrongRefOnFrame             = 0x01000000;