From bf87d4d1c0e79133a494d5e73d1a74a9ff897d32 Mon Sep 17 00:00:00 2001
From: kaetemi <kaetemi@gmail.com>
Date: Sat, 7 Sep 2013 15:53:10 +0200
Subject: [PATCH] Add distSqTo to CAIVector

---
 .../server/src/ai_service/ai_pos_mirror_inline.h  | 15 +++++++++++++++
 .../server/src/ai_service/ai_vector_mirror.h      |  3 +++
 code/ryzom/server/src/ai_share/ai_vector.h        |  1 +
 3 files changed, 19 insertions(+)

diff --git a/code/ryzom/server/src/ai_service/ai_pos_mirror_inline.h b/code/ryzom/server/src/ai_service/ai_pos_mirror_inline.h
index b75c54f1a..4185adafa 100644
--- a/code/ryzom/server/src/ai_service/ai_pos_mirror_inline.h
+++ b/code/ryzom/server/src/ai_service/ai_pos_mirror_inline.h
@@ -155,6 +155,11 @@ inline double	CAIVectorMirror::distTo(const CAIPos &dest) const
 	return (dest-CAIVector(*this)).norm(); 
 }
 
+inline double	CAIVectorMirror::distSqTo(const CAIPos &dest) const	
+{
+	return (dest-CAIVector(*this)).sqrnorm(); 
+}
+
 inline double	CAIVectorMirror::quickDistTo(const CAIPos &dest) const	
 {
 	double dx=fabs((dest.x()-x()).asDouble()), dy=fabs((dest.y()-y()).asDouble());
@@ -172,6 +177,11 @@ inline double	CAIVectorMirror::distTo(const CAIVector &dest) const
 	return (dest-CAIVector(*this)).norm(); 
 }
 
+inline double	CAIVectorMirror::distSqTo(const CAIVector &dest) const	
+{
+	return (dest-CAIVector(*this)).sqrnorm(); 
+}
+
 inline double	CAIVectorMirror::quickDistTo(const CAIVector &dest) const	
 {
 	double dx=fabs((dest.x()-x()).asDouble()), dy=fabs((dest.y()-y()).asDouble());
@@ -189,6 +199,11 @@ inline double	CAIVectorMirror::distTo(const CAIVectorMirror &dest)  const
 	return (dest-*this).norm(); 
 }
 
+inline double	CAIVectorMirror::distSqTo(const CAIVectorMirror &dest)  const	
+{
+	return (dest-*this).sqrnorm(); 
+}
+
 inline double	CAIVectorMirror::quickDistTo(const CAIVectorMirror &dest) const 
 {
 	double dx=fabs((dest.x()-x()).asDouble()), dy=fabs((dest.y()-y()).asDouble()); return (dx>dy)? (dx+dy/2): (dy+dx/2); 
diff --git a/code/ryzom/server/src/ai_service/ai_vector_mirror.h b/code/ryzom/server/src/ai_service/ai_vector_mirror.h
index dc03305bc..0464de4fb 100644
--- a/code/ryzom/server/src/ai_service/ai_vector_mirror.h
+++ b/code/ryzom/server/src/ai_service/ai_vector_mirror.h
@@ -83,14 +83,17 @@ public:		// Methods.
 	// a few handy utility methods
 	inline	CAngle	angleTo(const CAIPos &dest)			const;
 	inline	double	distTo(const CAIPos &dest)			const;
+	inline	double	distSqTo(const CAIPos &dest)		const;
 	inline	double	quickDistTo(const CAIPos &dest)		const;
 	
 	inline	CAngle	angleTo(const CAIVector &dest)		const;
 	inline	double	distTo(const CAIVector &dest)		const;
+	inline	double	distSqTo(const CAIVector &dest)		const;
 	inline	double	quickDistTo(const CAIVector &dest)	const;
 	
 	inline	CAngle	angleTo(const CAIVectorMirror &dest) const;
 	inline	double	distTo(const CAIVectorMirror &dest)  const;
+	inline	double	distSqTo(const CAIVectorMirror &dest)  const;
 	inline	double	quickDistTo(const CAIVectorMirror &dest) const;
 	
 protected:
diff --git a/code/ryzom/server/src/ai_share/ai_vector.h b/code/ryzom/server/src/ai_share/ai_vector.h
index 34a82bb82..8c818b70a 100644
--- a/code/ryzom/server/src/ai_share/ai_vector.h
+++ b/code/ryzom/server/src/ai_share/ai_vector.h
@@ -130,6 +130,7 @@ public:		// Methods.
 	template <class V> CAngle angleTo(const V &v)	const		{ return CAngle(atan2((v.y()-y()).asDouble(),
 																					  (v.x()-x()).asDouble())); }
 	template <class V> double distTo(const V &v)	const		{ return (*this-v).norm(); }
+	template <class V> double distSqTo(const V &v)	const		{ return (*this-v).sqrnorm(); }
 	template <class V> double quickDistTo(const V &v) const		{ double dx=fabs((v.x()-x()).asDouble()),
 																		 dy=fabs((v.y()-y()).asDouble());
 																  return (dx>dy)? (dx+dy/2): (dy+dx/2);	}