2 files changed, 26 insertions, 0 deletions
diff --git a/indra/llmath/llbbox.cpp b/indra/llmath/llbbox.cpp
index b46a6e03d2..d2208f604e 100644
--- a/indra/llmath/llbbox.cpp
+++ b/indra/llmath/llbbox.cpp
@@ -89,6 +89,19 @@ void LLBBox::addBBoxAgent(const LLBBox& b)
 	}
 }
 
+LLBBox LLBBox::getAxisAligned() const
+{
+	// no rotiation = axis aligned rotation
+	LLBBox aligned(mPosAgent, LLQuaternion(), LLVector3(), LLVector3());
+
+	// add the center point so that it's not empty
+	aligned.addPointAgent(mPosAgent);
+
+	// add our BBox
+	aligned.addBBoxAgent(*this);
+
+	return aligned;
+}
 
 void LLBBox::expand( F32 delta )
 {
@@ -147,6 +160,15 @@ BOOL LLBBox::containsPointAgent(const LLVector3& p) const
 	return containsPointLocal(point_local);
 }
 
+LLVector3 LLBBox::getMinAgent() const
+{
+	return localToAgent(mMinLocal);
+}
+
+LLVector3 LLBBox::getMaxAgent() const
+{
+	return localToAgent(mMaxLocal);
+}
 
 /*
 LLBBox operator*(const LLBBox &a, const LLMatrix4 &b)
diff --git a/indra/llmath/llbbox.h b/indra/llmath/llbbox.h
index 5b911793f0..28e69b75e1 100644
--- a/indra/llmath/llbbox.h
+++ b/indra/llmath/llbbox.h
@@ -51,9 +51,11 @@ public:
 	const LLVector3&	getPositionAgent() const			{ return mPosAgent; }
 	const LLQuaternion&	getRotation() const					{ return mRotation; }
 
+	LLVector3           getMinAgent() const;
 	const LLVector3&	getMinLocal() const					{ return mMinLocal; }
 	void				setMinLocal( const LLVector3& min )	{ mMinLocal = min; }
 
+	LLVector3           getMaxAgent() const;
 	const LLVector3&	getMaxLocal() const					{ return mMaxLocal; }
 	void				setMaxLocal( const LLVector3& max )	{ mMaxLocal = max; }
 
@@ -80,6 +82,8 @@ public:
 	LLVector3			localToAgentBasis(const LLVector3& v) const;
 	LLVector3			agentToLocalBasis(const LLVector3& v) const;
 
+	// Get the smallest possible axis aligned bbox that contains this bbox
+	LLBBox              getAxisAligned() const;
 
 //	friend LLBBox operator*(const LLBBox& a, const LLMatrix4& b);