Rework how XTarget auto haters work

This should cause the auto haters to be shared with other toons who might be
interested (group/raid) like live.

There maybe some bugs since there is a lot of complex interactions here.

zone/xtargetautohaters.h

@@ -0,0 +1,48 @@
+#ifndef XTARGETAUTOHATERS_H
+#define XTARGETAUTOHATERS_H
+
+#include <vector>
+
+class Mob;
+class Client;
+class Group;
+class Raid;
+
+class XTargetAutoHaters {
+struct HatersCount {
+	int spawn_id;
+	int count;
+};
+public:
+	XTargetAutoHaters() : m_client(nullptr), m_group(nullptr), m_raid(nullptr) {}
+	XTargetAutoHaters(Client *co, Group *go, Raid *ro) : m_client(co), m_group(go), m_raid(ro) {}
+	~XTargetAutoHaters() {}
+
+	void merge(XTargetAutoHaters &other);
+	void demerge(XTargetAutoHaters &other);
+	void increment_count(Mob *in);
+	void decrement_count(Mob *in);
+
+	bool contains_mob(int spawn_id);
+
+	inline const std::vector<HatersCount> &get_list() { return m_haters; }
+	inline void SetOwner(Client *c, Group *g, Raid *r) {m_client = c; m_group = g; m_raid = r; }
+	inline void clear() { m_haters.clear(); }
+	inline bool empty() { return m_haters.empty(); }
+
+private:
+	/* This will contain all of the mobs that are possible to fill in an autohater
+	 * slot. This keeps track of ALL MOBS for a client or group or raid
+	 * This list needs to be merged when you join group/raid/etc
+	 */
+	std::vector<HatersCount> m_haters;
+
+	// So this is the object that owns us ... only 1 shouldn't be null
+	Client	*m_client;
+	Group	*m_group;
+	Raid	*m_raid;
+};
+
+
+#endif /* !XTARGETAUTOHATERS_H */
+