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-rw-r--r--indra/llmath/llvolume.cpp19
-rw-r--r--indra/llmath/llvolume.h2
2 files changed, 21 insertions, 0 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index de32070da1..596c5fe231 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -5468,6 +5468,25 @@ void LLVolumeFace::createBinormals()
}
}
+void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& transform, LLMatrix4& norm_transform)
+{
+ for (U32 i = 0; i < face.mVertices.size(); ++i)
+ {
+ VertexData v = face.mVertices[i];
+ v.mPosition *= mat;
+ v.mNormal *= norm_transform;
+
+
+ mVertices.push_back(v);
+ }
+
+ U16 offset = mIndices.size();
+ for (U32 i = 0; i < face.mIndices.size(); ++i)
+ {
+ mIndices.push_back(face.mIndices[i]+offset);
+ }
+}
+
BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
{
LLMemType m1(LLMemType::MTYPE_VOLUME);
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index e3ab648fe3..1bf6fac305 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -805,6 +805,8 @@ public:
BOOL create(LLVolume* volume, BOOL partial_build = FALSE);
void createBinormals();
+ void appendFace(const LLVolumeFace& face);
+
class VertexData
{
public: