UnitEvents.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 _UNITEVENTS
#define _UNITEVENTS

#include "Common.h"

class ThreatContainer;
class ThreatManager;
class HostileReference;

//==============================================================
//==============================================================

enum UNIT_EVENT_TYPE
{
 // Player/Pet changed on/offline status
 UEV_THREAT_REF_ONLINE_STATUS = 1<<0,

 // Threat for Player/Pet changed
 UEV_THREAT_REF_THREAT_CHANGE = 1<<1,

 // Player/Pet will be removed from list (dead) [for internal use]
 UEV_THREAT_REF_REMOVE_FROM_LIST = 1<<2,

 // Player/Pet entered/left water or some other place where it is/was not accessible for the creature
 UEV_THREAT_REF_ASSECCIBLE_STATUS = 1<<3,

 // Threat list is going to be sorted (if dirty flag is set)
 UEV_THREAT_SORT_LIST = 1<<4,

 // New target should be fetched, could tbe the current target as well
 UEV_THREAT_SET_NEXT_TARGET = 1<<5,

 // A new victim (target) was set. Could be NULL
 UEV_THREAT_VICTIM_CHANGED = 1<<6

 // Future use
 //UEV_UNIT_KILLED = 1<<7,

 //Future use
 //UEV_UNIT_HEALTH_CHANGE = 1<<8,
};

#define UEV_THREAT_REF_EVENT_MASK (UEV_THREAT_REF_ONLINE_STATUS | UEV_THREAT_REF_THREAT_CHANGE | UEV_THREAT_REF_REMOVE_FROM_LIST | UEV_THREAT_REF_ASSECCIBLE_STATUS)
#define UEV_THREAT_MANAGER_EVENT_MASK (UEV_THREAT_SORT_LIST | UEV_THREAT_SET_NEXT_TARGET | UEV_THREAT_VICTIM_CHANGED)
#define UEV_ALL_EVENT_MASK (0xffffffff)

// Future use
//#define UEV_UNIT_EVENT_MASK (UEV_UNIT_KILLED | UEV_UNIT_HEALTH_CHANGE)

//==============================================================

class UnitBaseEvent
{
 private:
 uint32 iType;
 public:
 UnitBaseEvent(uint32 pType) { iType = pType; }
 uint32 getType() const { return iType; }
 bool matchesTypeMask(uint32 pMask) const { return (iType & pMask) != 0; }

 void setType(uint32 pType) { iType = pType; }
};

//==============================================================

class TC_GAME_API ThreatRefStatusChangeEvent : public UnitBaseEvent
{
 private:
 HostileReference* iHostileReference;
 union
 {
 float iFValue;
 int32 iIValue;
 bool iBValue;
 };
 ThreatManager* iThreatManager;
 public:
 ThreatRefStatusChangeEvent(uint32 pType) : UnitBaseEvent(pType), iThreatManager(NULL) { iHostileReference = NULL; }

 ThreatRefStatusChangeEvent(uint32 pType, HostileReference* pHostileReference) : UnitBaseEvent(pType), iThreatManager(NULL) { iHostileReference = pHostileReference; }

 ThreatRefStatusChangeEvent(uint32 pType, HostileReference* pHostileReference, float pValue) : UnitBaseEvent(pType), iThreatManager(NULL) { iHostileReference = pHostileReference; iFValue = pValue; }

 ThreatRefStatusChangeEvent(uint32 pType, HostileReference* pHostileReference, bool pValue) : UnitBaseEvent(pType), iThreatManager(NULL) { iHostileReference = pHostileReference; iBValue = pValue; }

 int32 getIValue() const { return iIValue; }

 float getFValue() const { return iFValue; }

 bool getBValue() const { return iBValue; }

 void setBValue(bool pValue) { iBValue = pValue; }

 HostileReference* getReference() const { return iHostileReference; }

 void setThreatManager(ThreatManager* pThreatManager) { iThreatManager = pThreatManager; }

 ThreatManager* getThreatManager() const { return iThreatManager; }
};

//==============================================================

class ThreatManagerEvent : public ThreatRefStatusChangeEvent
{
 private:
 ThreatContainer* iThreatContainer;
 public:
 ThreatManagerEvent(uint32 pType) : ThreatRefStatusChangeEvent(pType), iThreatContainer(NULL) { }
 ThreatManagerEvent(uint32 pType, HostileReference* pHostileReference) : ThreatRefStatusChangeEvent(pType, pHostileReference), iThreatContainer(NULL) { }

 void setThreatContainer(ThreatContainer* pThreatContainer) { iThreatContainer = pThreatContainer; }

 ThreatContainer* getThreatContainer() const { return iThreatContainer; }
};

//==============================================================
#endif