--- a/engine/core/util/math/angles.h	Fri Jan 29 19:52:14 2010 +0000
+++ b/engine/core/util/math/angles.h	Fri Jan 29 21:03:51 2010 +0000
@@ -31,14 +31,31 @@
 // These includes are split up in two parts, separated by one empty line
 // First block: files included from the FIFE root src directory
 // Second block: files included from the same folder
+#include "model/structures/location.h"
 
 namespace FIFE {
 	typedef std::map<unsigned int, int> type_angle2id;
-	
+
 	/** Returns id for given angle from angle2id map
 	 * in case there are no elements in the map, negative value is returned
 	 */
 	int getIndexByAngle(int angle, const type_angle2id& angle2id, int& closestMatchingAngle);
+
+	/** Gets angle of vector defined by given locations
+	 *  @return angle in polar coordinates between the line
+	 *  defined by the two locations and the horizontal axis (East <-> West)
+	 */
+	inline int getAngleBetween(const Location& loc1, const Location& loc2) {
+		ExactModelCoordinate c1 = loc1.getMapCoordinates();
+		ExactModelCoordinate c2 = loc2.getMapCoordinates();
+
+		double dy = (c2.y - c1.y);
+		double dx = (c2.x - c1.x);
+
+		int angle = static_cast<int>(atan2(-dy,dx)*(180.0/M_PI));
+
+		return angle;
+	}
 }
 
 #endif