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-rw-r--r--indra/llmath/llvolume.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 6286d1bcea..f252b2a232 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -1876,6 +1876,18 @@ bool LLVolumeFace::VertexData::operator==(const LLVolumeFace::VertexData& rhs)co
return true;
}
+bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs, F32 angle_cutoff) const
+{
+ bool retval = false;
+ if (rhs.mPosition == mPosition && rhs.mTexCoord == mTexCoord)
+ {
+ F32 cur_angle = rhs.mNormal*mNormal;
+
+ retval = cur_angle > angle_cutoff;
+ }
+
+ return retval;
+}
BOOL LLVolume::createVolumeFacesFromFile(const std::string& file_name)
{