CreatureGroups.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _FORMATIONS_H
#define _FORMATIONS_H

#include "Define.h"
#include <unordered_map>
#include <map>

class Creature;
class CreatureGroup;

struct FormationInfo
{
 ObjectGuid::LowType leaderGUID;
 float follow_dist;
 float follow_angle;
 uint8 groupAI;
 uint32 point_1;
 uint32 point_2;
};

typedef std::unordered_map<ObjectGuid::LowType/*memberDBGUID*/, FormationInfo*> CreatureGroupInfoType;

class TC_GAME_API FormationMgr
{
 private:
 FormationMgr() { }
 ~FormationMgr();

 public:
 static FormationMgr* instance();

 void AddCreatureToGroup(ObjectGuid::LowType leaderGuid, Creature* creature);
 void RemoveCreatureFromGroup(CreatureGroup* group, Creature* creature);
 void LoadCreatureFormations();
 CreatureGroupInfoType CreatureGroupMap;
};

class TC_GAME_API CreatureGroup
{
 private:
 Creature* m_leader; //Important do not forget sometimes to work with pointers instead synonims :D:D
 typedef std::map<Creature*, FormationInfo*> CreatureGroupMemberType;
 CreatureGroupMemberType m_members;

 ObjectGuid::LowType m_groupID;
 bool m_Formed;

 public:
 //Group cannot be created empty
 explicit CreatureGroup(ObjectGuid::LowType id) : m_leader(NULL), m_groupID(id), m_Formed(false) { }
 ~CreatureGroup() { }

 Creature* getLeader() const { return m_leader; }
 ObjectGuid::LowType GetId() const { return m_groupID; }
 bool isEmpty() const { return m_members.empty(); }
 bool isFormed() const { return m_Formed; }

 void AddMember(Creature* member);
 void RemoveMember(Creature* member);
 void FormationReset(bool dismiss);

 void LeaderMoveTo(float x, float y, float z);
 void MemberAttackStart(Creature* member, Unit* target);
};

#define sFormationMgr FormationMgr::instance()

#endif