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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* 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 SC_FOLLOWERAI_H
#define SC_FOLLOWERAI_H
#include "ScriptSystem.h"
#include "ScriptedCreature.h"
enum eFollowState
{
STATE_FOLLOW_NONE = 0x000,
STATE_FOLLOW_INPROGRESS = 0x001, //must always have this state for any follow
STATE_FOLLOW_RETURNING = 0x002, //when returning to combat start after being in combat
STATE_FOLLOW_PAUSED = 0x004, //disables following
STATE_FOLLOW_COMPLETE = 0x008, //follow is completed and may end
STATE_FOLLOW_PREEVENT = 0x010, //not implemented (allow pre event to run, before follow is initiated)
STATE_FOLLOW_POSTEVENT = 0x020 //can be set at complete and allow post event to run
};
class FollowerAI : public ScriptedAI
{
public:
explicit FollowerAI(Creature* creature);
~FollowerAI() override { }
//virtual void WaypointReached(uint32 uiPointId) = 0;
void MovementInform(uint32 motionType, uint32 pointId) override;
void AttackStart(Unit*) override;
void MoveInLineOfSight(Unit*) override;
void EnterEvadeMode(EvadeReason /*why*/ = EVADE_REASON_OTHER) override;
void JustDied(Unit*) override;
void JustRespawned() override;
void UpdateAI(uint32) override; //the "internal" update, calls UpdateFollowerAI()
virtual void UpdateFollowerAI(uint32); //used when it's needed to add code in update (abilities, scripted events, etc)
void StartFollow(Player* player, uint32 factionForFollower = 0, const Quest* quest = nullptr, bool inheritWalkState = true, bool inheritSpeed = true);
void SetFollowPaused(bool bPaused); //if special event require follow mode to hold/resume during the follow
void SetFollowComplete(bool bWithEndEvent = false);
bool HasFollowState(uint32 uiFollowState) { return (m_uiFollowState & uiFollowState); }
protected:
Player* GetLeaderForFollower();
private:
void AddFollowState(uint32 uiFollowState) { m_uiFollowState |= uiFollowState; }
void RemoveFollowState(uint32 uiFollowState) { m_uiFollowState &= ~uiFollowState; }
bool AssistPlayerInCombatAgainst(Unit* who);
ObjectGuid m_uiLeaderGUID;
uint32 m_uiUpdateFollowTimer;
uint32 m_uiFollowState;
const Quest* m_pQuestForFollow; //normally we have a quest
};
#endif
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