Added target_root argument to clone functions.

include/niflib.h

@@ -204,9 +204,10 @@ NIFLIB_API void WriteFileGroup( string const & file_name, NiObject * root_object
  * \param[in] root The root object to start from when cloning the NIF data.  All referenced objects will be included in the new tree.
  * \param[in] version The version of the NIF format to use when writing a file.  Default is version 4.0.0.2.
  * \param[in] user_version The user version of the NIF format to use when writing a file.  Default is user version 0.
+ * \param[in] target_root The root of the nif tree in which the cloned tree will be embedded. If specified, missing links will be resolved to that tree.
  * \return The root of the new cloned tree.
  */
-NIFLIB_API Ref<NiObject> CloneNifTree( NiObject * root, unsigned version = 0xFFFFFFFF, unsigned user_version = 0 );
+NIFLIB_API Ref<NiObject> CloneNifTree( NiObject * root, unsigned version = 0xFFFFFFFF, unsigned user_version = 0, NiObject * target_root = NULL );
 
 
 //TODO:  Figure out how to fix this to work with the new system

include/obj/NiObject.h

@@ -74,9 +74,10 @@ public:
 	 * if you need to clone an obsolete piece of information.
 	 * \param[in] version The version number to use in the memory streaming operation.  Default is the highest version availiable.
 	 * \param[in] user_version The game-specific version number extention.
+	 * \param[in] target_root The root of the nif tree in which the cloned object will be embedded. If specified, missing links will be resolved to that tree.
 	 * \return A cloned copy of this object as a new object.
 	 */
-	NIFLIB_API Ref<NiObject> Clone( unsigned int version = 0xFFFFFFFF, unsigned int user_version = 0 );
+	NIFLIB_API Ref<NiObject> Clone( unsigned int version = 0xFFFFFFFF, unsigned int user_version = 0, NiObject *target_root = NULL );
 	
 public:
 	/*! Block number in the nif file. Only set when you read

src/niflib.cpp

@@ -1295,7 +1295,7 @@ string FormatVersionString(unsigned version) {
 }
 
 
-Ref<NiObject> CloneNifTree( NiObject * root, unsigned version, unsigned user_version ) {
+Ref<NiObject> CloneNifTree( NiObject *root, unsigned version, unsigned user_version, NiObject *target_root ) {
 	//Create a string stream to temporarily hold the state-save of this tree
 	stringstream tmp;
 

src/obj/NiObject.cpp

@@ -96,7 +96,7 @@ std::list<NiObject *> NiObject::GetPtrs() const {
 
 //--BEGIN MISC CUSTOM CODE--//
 
-NiObjectRef NiObject::Clone( unsigned int version, unsigned int user_version ) {
+NiObjectRef NiObject::Clone( unsigned int version, unsigned int user_version, NiObject *target_root ) {
 	//Create a string stream to temporarily hold the state-save of this object
 	stringstream tmp;