From c02702f3871979cb7745b49aa502ac3c71f77681 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 13 Nov 2009 17:01:56 -0600
Subject: [PATCH] CTS-7 Add hard edge threshold capability to normal
generation.
---
indra/llmath/llvolume.cpp | 12 ++++++++++++
indra/llmath/llvolume.h | 1 +
2 files changed, 13 insertions(+)
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 6286d1bcea2..f252b2a2327 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)
{
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index 9f595ccbc4a..d2727d8f21c 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -814,6 +814,7 @@ class LLVolumeFace
bool operator<(const VertexData& rhs) const;
bool operator==(const VertexData& rhs) const;
+ bool compareNormal(const VertexData& rhs, F32 angle_cutoff) const;
};
enum
--
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