diff --git a/src/Core.hpp b/src/Core.hpp
index c102dcf..35f5562 100644
--- a/src/Core.hpp
+++ b/src/Core.hpp
@@ -34,10 +34,10 @@ class GameObj {
 		// TODO
 	} index;
 
-	unsigned  unknown0xC;
-	float     unknown0x10;
-	unsigned  sortKey; // Four-level key, one byte each
-	D3DVECTOR unknown0x18;
+	unsigned  otherBitfield;
+	float     reverseSortKey; // Sign flipped to produced sortKey
+	unsigned  sortKey;        // Four-level key, one byte each
+	D3DVECTOR someTranslation;
 
 	// Links forming a tree of objects
 	GameObj * parent;