1 files changed, 10 insertions, 0 deletions

diff --git a/linden/indra/newview/llvosurfacepatch.h b/linden/indra/newview/llvosurfacepatch.h
index 52c11c9..f014ca6 100644
--- a/linden/indra/newview/llvosurfacepatch.h
+++ b/linden/indra/newview/llvosurfacepatch.h
@@ -85,6 +85,16 @@ public:
         void dirtyPatch();
         void dirtyGeom();
 
+        /*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
+                                                                                  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
+                                                                                  BOOL pick_transparent = FALSE,
+                                                                                  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
+                );
+
         BOOL                    mDirtiedPatch;
 protected:
         ~LLVOSurfacePatch();