WIP on auras

Lots to do still

Normal buffing auras currently work for the most part

zone/aura.h

@@ -0,0 +1,76 @@
+#ifndef AURA_H
+#define AURA_H
+
+#include <functional>
+#include <set>
+
+#include "mob.h"
+#include "npc.h"
+#include "../common/types.h"
+#include "../common/timer.h"
+
+class Group;
+class Raid;
+class Mob;
+struct NPCType;
+
+enum class AuraType {
+	OnAllFriendlies,		// AE PC/Pet basically (ex. Circle of Power)
+	OnAllGroupMembers,		// Normal buffing aura (ex. Champion's Aura)
+	OnGroupMembersPets,		// Hits just pets (ex. Rathe's Strength)
+	Totem,					// Starts pulsing on a timer when an enemy enters (ex. Idol of Malos)
+	EnterTrap,				// Casts once when an enemy enters (ex. Fire Rune)
+	ExitTrap,				// Casts when they start to flee (ex. Poison Spikes Trap)
+	FullyScripted,			// We just call script function not a predefined
+	Max
+};
+
+enum class AuraSpawns {
+	GroupMembers,			// most auras use this
+	Everyone,				// this is like traps and clickies who cast on everyone
+	Noone,					// custom!
+	Max
+};
+
+enum class AuraMovement {
+	Follow,					// follows caster
+	Stationary,
+	Pathing,				// some sorted pathing TODO: implement
+	Max
+};
+
+class Aura : public NPC
+{
+public:
+	Aura(NPCType *type_data, Mob *owner, AuraRecord &record);
+	~Aura() { };
+
+	bool IsAura() const { return true; }
+	bool Process();
+	void Depop(bool unused = false);
+
+	void ProcessOnAllFriendlies(Mob *owner);
+	void ProcessOnAllGroupMembers(Mob *owner);
+	void ProcessOnGroupMembersPets(Mob *owner);
+	void ProcessTotem(Mob *owner);
+	void ProcessEnterTrap(Mob *owner);
+	void ProcessExitTrap(Mob *owner);
+
+private:
+	int m_owner;
+	int spell_id; // spell we cast
+	int distance; // distance we remove
+	Timer remove_timer; // when we depop
+	Timer process_timer; // rate limit process calls
+	Timer cast_timer; // some auras pulse
+	Timer movement_timer; // rate limit movement updates
+	AuraType type;
+	AuraSpawns spawn_type;
+	AuraMovement movement_type;
+
+	std::function<void(Aura &, Mob *)> process_func;
+	std::set<int> casted_on; // we keep track of the other entities we've casted on
+};
+
+#endif /* !AURA_H */
+