fixed niflib to exporter geometry data with binormals and tangets in it but...

fixed niflib to exporter geometry data with binormals and tangets in it but broke niflib a bit. WARNING! from now on niflib will cause bugs when regenerated because of this

include/ComplexShape.h

@@ -182,7 +182,8 @@ public:
 		int max_bones_per_partition = 4,
 		bool stripify = false,
 		bool tangent_space = false,
-		float min_vertex_weight = 0.001f
+		float min_vertex_weight = 0.001f,
+		byte tspace_flags = 0
 	) const;
 
 	/* 

src/ComplexShape.cpp

@@ -703,7 +703,7 @@ void ComplexShape::Merge( NiAVObject * root ) {
 	//Done Merging
 }
 
-Ref<NiAVObject> ComplexShape::Split( NiNode * parent, Matrix44 & transform, int max_bones_per_partition, bool stripify, bool tangent_space, float min_vertex_weight ) const {
+Ref<NiAVObject> ComplexShape::Split( NiNode * parent, Matrix44 & transform, int max_bones_per_partition, bool stripify, bool tangent_space, float min_vertex_weight, byte tspace_flags ) const {
 
 	//Make sure parent is not NULL
 	if ( parent == NULL ) {
@@ -1092,7 +1092,15 @@ Ref<NiAVObject> ComplexShape::Split( NiNode * parent, Matrix44 & transform, int
 
 		//If tangent space was requested, generate it
 		if ( tangent_space ) {
-			shapes[shape_num]->UpdateTangentSpace();
+			if(tspace_flags == 0) {
+				shapes[shape_num]->UpdateTangentSpace();
+			} else {
+				if(shapes[shape_num]->GetData() != NULL) {
+					shapes[shape_num]->GetData()->SetUVSetCount(1);
+					shapes[shape_num]->GetData()->SetTspaceFlag(tspace_flags);
+					shapes[shape_num]->UpdateTangentSpace(1);
+				}
+			}
 		}
 		
 		//Next Shape

src/obj/NiGeometryData.cpp

@@ -155,7 +155,7 @@ void NiGeometryData::Write( ostream& out, const map<NiObjectRef,unsigned int> &
 	//--END CUSTOM CODE--//
 
 	NiObject::Write( out, link_map, missing_link_stack, info );
-	bsNumUvSets = (unsigned short)(uvSets.size());
+	bsNumUvSets = ((unsigned short)(uvSets.size()) | (bsNumUvSets & 0xFF00));
 	numUvSets = (unsigned short)(uvSets.size());
 	numVertices = (unsigned short)(vertices.size());
 	if ( info.version >= 0x0A020000 ) {
@@ -659,12 +659,12 @@ void NiGeometryData::SetBound(Vector3 const & center, float radius)
 
 
 byte NiGeometryData::GetTspaceFlag() const {
-   return numUvSets | bsNumUvSets;
+   return (numUvSets | bsNumUvSets) >> 8;
 }
 
 void NiGeometryData::SetTspaceFlag( byte value ) {
-   numUvSets = value;
-   bsNumUvSets = value;
+   numUvSets = ((value << 8) | numUvSets);
+   bsNumUvSets = ((value << 8) | bsNumUvSets);
 }
 
 bool NiGeometryData::GetHasNormals() const {