merge uv-picking branch.

svn merge -r92602:92632 svn+ssh://svn.lindenlab.com/svn/linden/branches/uv-picking-4

1 files changed, 9 insertions, 3 deletions

diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index 0f0fa62ea1..a143589ee9 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -242,9 +242,15 @@ public:
 	
 
 	//detect if given line segment (in agent space) intersects with this viewer object.
-	//returns TRUE if intersection detected and moves end to the point of intersection
-	//closest to start.
-	virtual BOOL lineSegmentIntersect(const LLVector3& start, LLVector3& end) const;
+	//returns TRUE if intersection detected and returns information about intersection
+	virtual BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
+									  S32 face = -1,                          // which face to check, -1 = ALL_SIDES
+									  S32* face_hit = NULL,                   // which face was hit
+									  LLVector3* intersection = NULL,         // return the intersection point
+									  LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
+									  LLVector3* normal = NULL,               // return the surface normal at the intersection point
+									  LLVector3* bi_normal = NULL             // return the surface bi-normal at the intersection point
+		);
 	
 	virtual const LLVector3d getPositionGlobal() const;
 	virtual const LLVector3 &getPositionRegion() const;