5 files changed, 38 insertions, 101 deletions
diff --git a/indra/llmath/llrigginginfo.cpp b/indra/llmath/llrigginginfo.cpp
index 885acb7670..0de07950c1 100644
--- a/indra/llmath/llrigginginfo.cpp
+++ b/indra/llmath/llrigginginfo.cpp
@@ -27,10 +27,6 @@
 #include "llmath.h"
 #include "llrigginginfo.h"
 
-//#if LL_WINDOWS
-//#pragma optimize("", off)
-//#endif
-
 //-----------------------------------------------------------------------------
 // LLJointRiggingInfo
 //-----------------------------------------------------------------------------
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 2654e204c2..ba284574c8 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -6411,101 +6411,6 @@ void LLVolumeFace::fillFromLegacyData(std::vector<LLVolumeFace::VertexData>& v,
 	}
 }
 
-// AXON appendFace/appendFaces not used - referenced by corresponding functions in
-// LLModel but these are not called anywhere.
-void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMatrix4& norm_mat_in)
-{
-	U16 offset = mNumVertices;
-
-	S32 new_count = face.mNumVertices + mNumVertices;
-
-	if (new_count > 65536)
-	{
-		LL_ERRS() << "Cannot append face -- 16-bit overflow will occur." << LL_ENDL;
-	}
-	
-	if (face.mNumVertices == 0)
-	{
-		LL_ERRS() << "Cannot append empty face." << LL_ENDL;
-	}
-
-	U32 old_vsize = mNumVertices*16;
-	U32 new_vsize = new_count * 16;
-	U32 old_tcsize = (mNumVertices*sizeof(LLVector2)+0xF) & ~0xF;
-	U32 new_tcsize = (new_count*sizeof(LLVector2)+0xF) & ~0xF;
-	U32 new_size = new_vsize * 2 + new_tcsize;
-
-	//allocate new buffer space
-	LLVector4a* old_buf = mPositions;
-	mPositions = (LLVector4a*) ll_aligned_malloc<64>(new_size);
-	mNormals = mPositions + new_count;
-	mTexCoords = (LLVector2*) (mNormals+new_count);
-
-	mNumAllocatedVertices = new_count;
-
-	LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) old_buf, old_vsize);
-	LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) (old_buf+mNumVertices), old_vsize);
-	LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) (old_buf+mNumVertices*2), old_tcsize);
-	
-	mNumVertices = new_count;
-
-	//get destination address of appended face
-	LLVector4a* dst_pos = mPositions+offset;
-	LLVector2* dst_tc = mTexCoords+offset;
-	LLVector4a* dst_norm = mNormals+offset;
-
-	//get source addresses of appended face
-	const LLVector4a* src_pos = face.mPositions;
-	const LLVector2* src_tc = face.mTexCoords;
-	const LLVector4a* src_norm = face.mNormals;
-
-	//load aligned matrices
-	LLMatrix4a mat, norm_mat;
-	mat.loadu(mat_in);
-	norm_mat.loadu(norm_mat_in);
-
-	for (U32 i = 0; i < face.mNumVertices; ++i)
-	{
-		//transform appended face position and store
-		mat.affineTransform(src_pos[i], dst_pos[i]);
-
-		//transform appended face normal and store
-		norm_mat.rotate(src_norm[i], dst_norm[i]);
-		dst_norm[i].normalize3fast();
-
-		//copy appended face texture coordinate
-		dst_tc[i] = src_tc[i];
-
-		if (offset == 0 && i == 0)
-		{ //initialize bounding box
-			// VFExtents change
-			mExtents[0] = mExtents[1] = dst_pos[i];
-		}
-		else
-		{
-			//stretch bounding box
-			// VFExtents change
-			update_min_max(mExtents[0], mExtents[1], dst_pos[i]);
-		}
-	}
-    LL_DEBUGS("RiggedBox") << "appendFace got extents " << mExtents[0] << ", " << mExtents[1] << " from dst_pos " << LL_ENDL;
-
-
-	new_count = mNumIndices + face.mNumIndices;
-
-	//allocate new index buffer
-	mIndices = (U16*) ll_aligned_realloc_16(mIndices, (new_count*sizeof(U16)+0xF) & ~0xF, (mNumIndices*sizeof(U16)+0xF) & ~0xF);
-	
-	//get destination address into new index buffer
-	U16* dst_idx = mIndices+mNumIndices;
-	mNumIndices = new_count;
-
-	for (U32 i = 0; i < face.mNumIndices; ++i)
-	{ //copy indices, offsetting by old vertex count
-		dst_idx[i] = face.mIndices[i]+offset;
-	}
-}
-
 BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 {
 	LL_CHECK_MEMORY
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index f92b43e77d..1d6d35c432 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -872,8 +872,6 @@ public:
 	BOOL create(LLVolume* volume, BOOL partial_build = FALSE);
 	void createTangents();
 	
-	void appendFace(const LLVolumeFace& face, LLMatrix4& transform, LLMatrix4& normal_tranform);
-
 	void resizeVertices(S32 num_verts);
 	void allocateTangents(S32 num_verts);
 	void allocateWeights(S32 num_verts);
diff --git a/indra/llmath/v3math.cpp b/indra/llmath/v3math.cpp
index e7107dee16..b04c67d926 100644
--- a/indra/llmath/v3math.cpp
+++ b/indra/llmath/v3math.cpp
@@ -369,3 +369,39 @@ BOOL LLVector3::parseVector3(const std::string& buf, LLVector3* value)
 
 	return FALSE;
 }
+
+// Displacement from query point to nearest neighbor point on bounding box.
+// Returns zero vector for points within or on the box.
+LLVector3 point_to_box_offset(LLVector3& pos, const LLVector3* box)
+{
+    LLVector3 offset;
+    for (S32 k=0; k<3; k++)
+    {
+        offset[k] = 0;
+        if (pos[k] < box[0][k])
+        {
+            offset[k] = pos[k] - box[0][k];
+        }
+        else if (pos[k] > box[1][k])
+        {
+            offset[k] = pos[k] - box[1][k];
+        }
+    }
+    return offset;
+}
+
+bool box_valid_and_non_zero(const LLVector3* box)
+{
+    if (!box[0].isFinite() || !box[1].isFinite())
+    {
+        return false;
+    }
+    LLVector3 zero_vec;
+    zero_vec.clear();
+    if ((box[0] != zero_vec) || (box[1] != zero_vec))
+    {
+        return true;
+    }
+    return false;
+}
+
diff --git a/indra/llmath/v3math.h b/indra/llmath/v3math.h
index f3fbce4843..6f857d7061 100644
--- a/indra/llmath/v3math.h
+++ b/indra/llmath/v3math.h
@@ -163,6 +163,8 @@ LLVector3 inverse_projected_vec(const LLVector3 &a, const LLVector3 &b); // Retu
 LLVector3 parallel_component(const LLVector3 &a, const LLVector3 &b); // Returns vector a projected on vector b (same as projected_vec)
 LLVector3 orthogonal_component(const LLVector3 &a, const LLVector3 &b); // Returns component of vector a not parallel to vector b (same as projected_vec)
 LLVector3 lerp(const LLVector3 &a, const LLVector3 &b, F32 u); // Returns a vector that is a linear interpolation between a and b
+LLVector3 point_to_box_offset(LLVector3& pos, const LLVector3* box); // Displacement from query point to nearest point on bounding box.
+bool box_valid_and_non_zero(const LLVector3* box);
 
 inline LLVector3::LLVector3(void)
 {