More work on miss on purpose

src/core/include/groundunit.h

@@ -17,6 +17,8 @@ public:
 	virtual void setOnOff(bool newOnOff, bool force = false);
 	virtual void setFollowRoads(bool newFollowRoads, bool force = false);
 
+	void aimAtPoint(Coords aimTarget, double horizontalScatterMultiplier = 1, double verticalScatterMultiplier = 1);
+
 protected:
 	virtual void AIloop();
 	static json::value database;

src/core/include/unit.h

@@ -204,6 +204,7 @@ protected:
 	/********** Other **********/
 	unsigned int taskCheckCounter = 0;
 	unsigned int internalCounter = 0;
+	Unit* missOnPurposeTarget = nullptr;
 	bool hasTaskAssigned = false;
 	double initialFuel = 0;
 	map<unsigned char, unsigned long long> updateTimeMap;