From edf6795edaa4ec822ac0e2bc906c71606b84b5c8 Mon Sep 17 00:00:00 2001
From: "Brad Payne (Vir Linden)" <vir@lindenlab.com>
Date: Wed, 13 Jun 2018 21:49:24 +0100
Subject: SL-915, MAINT-8554 - cleanup/reorg, added encroachment fix info to
 DebugAnimatedObjects output

---
 indra/llmath/v3math.cpp | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'indra/llmath/v3math.cpp')

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;
+}
+
-- 
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