Add distSqTo to CAIVector

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); 

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:

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);	}