Fixed a bug in TargetControllerAttr.

Added IsController function.

NIF_Blocks.h

@@ -84,6 +84,7 @@ public:
 	vector<attr_ref> GetAttrs();
 	int GetBlockNum() { return _block_num; }
 	bool IsControllable() { return false; }
+	bool IsController() { return false; }
 	string asString();
 
 	//Links
@@ -195,6 +196,7 @@ class AController : public ABlock {
 public:
 	AController();
 	void Init() {}
+	bool IsController() { return true; }
 	~AController() {}
 };
 

nif_attrs.h

@@ -1268,7 +1268,7 @@ public:
 		ReadUInt(in);
 	}
 	void WriteAttr( ofstream& out, unsigned int version ) {
-		WriteUInt( _owner->GetParent()->GetBlockNum(), out );
+		WriteUInt( FindTarget()->GetBlockNum(), out );
 	}
 	blk_ref FindTarget() const {
 		//Find first ancestor that is controllable
@@ -1301,6 +1301,8 @@ public:
 		return out.str();
 	}
 	blk_ref asLink() const { return FindTarget(); }
+	void Set(blk_ref&) { throw runtime_error("The attribute you tried to set is calculated automatically.  You cannot change it directly."); }
+
 };
 
 class SkeletonRootAttr : public AAttr {
@@ -1355,6 +1357,8 @@ public:
 		return out.str();
 	}
 	blk_ref asLink() const { return FindRoot(); }
+	void Set(blk_ref&) { throw runtime_error("The attribute you tried to set is calculated automatically.  You cannot change it directly."); }
+
 private:
 	int original_root;
 };

niflib.h

@@ -455,6 +455,7 @@ public:
 	virtual string asString() = 0;
 	virtual string GetBlockType() = 0;
 	virtual bool IsControllable() = 0;
+	virtual bool IsController() = 0;
 
 	//Attribute Functions
 	virtual attr_ref GetAttr(string attr_name) = 0;