CharmInfo.h

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/*
 * This file is part of the TrinityCore 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 _CharmInfo_h__
#define _CharmInfo_h__
 
#include "Define.h"
#include "UnitDefines.h"
 
class SpellInfo;
class Unit;
class WorldPacket;
 
constexpr uint8 MAX_SPELL_CHARM = 4;
constexpr uint8 MAX_SPELL_VEHICLE = 6;
constexpr uint8 MAX_SPELL_POSSESS = 8;
constexpr uint8 MAX_SPELL_CONTROL_BAR = 10;
 
#define UNIT_ACTION_BUTTON_ACTION(X) (uint32(X) & 0x00FFFFFF)
#define UNIT_ACTION_BUTTON_TYPE(X) ((uint32(X) & 0xFF000000) >> 24)
#define MAKE_UNIT_ACTION_BUTTON(A, T) (uint32(A) | (uint32(T) << 24))
 
struct UnitActionBarEntry
{
 UnitActionBarEntry() : packedData(uint32(ACT_DISABLED) << 24) { }
 
 uint32 packedData;
 
 // helper
 ActiveStates GetType() const { return ActiveStates(UNIT_ACTION_BUTTON_TYPE(packedData)); }
 uint32 GetAction() const { return UNIT_ACTION_BUTTON_ACTION(packedData); }
 bool IsActionBarForSpell() const
 {
 ActiveStates Type = GetType();
 return Type == ACT_DISABLED || Type == ACT_ENABLED || Type == ACT_PASSIVE;
 }
 
 void SetActionAndType(uint32 action, ActiveStates type)
 {
 packedData = MAKE_UNIT_ACTION_BUTTON(action, type);
 }
 
 void SetType(ActiveStates type)
 {
 packedData = MAKE_UNIT_ACTION_BUTTON(UNIT_ACTION_BUTTON_ACTION(packedData), type);
 }
 
 void SetAction(uint32 action)
 {
 packedData = (packedData & 0xFF000000) | UNIT_ACTION_BUTTON_ACTION(action);
 }
};
 
enum CharmType : uint8
{
 CHARM_TYPE_CHARM = 0,
 CHARM_TYPE_POSSESS,
 CHARM_TYPE_VEHICLE,
 CHARM_TYPE_CONVERT
};
 
typedef UnitActionBarEntry CharmSpellInfo;
 
enum ActionBarIndex
{
 ACTION_BAR_INDEX_START = 0,
 ACTION_BAR_INDEX_PET_SPELL_START = 3,
 ACTION_BAR_INDEX_PET_SPELL_END = 7,
 ACTION_BAR_INDEX_END = 10
};
 
#define MAX_UNIT_ACTION_BAR_INDEX (ACTION_BAR_INDEX_END-ACTION_BAR_INDEX_START)
 
struct TC_GAME_API CharmInfo
{
 public:
 explicit CharmInfo(Unit* unit);
 ~CharmInfo();
 void RestoreState();
 uint32 GetPetNumber() const { return _petnumber; }
 void SetPetNumber(uint32 petnumber, bool statwindow);
 
 void SetCommandState(CommandStates st) { _CommandState = st; }
 CommandStates GetCommandState() const { return _CommandState; }
 bool HasCommandState(CommandStates state) const { return (_CommandState == state); }
 
 void InitPossessCreateSpells();
 void InitCharmCreateSpells();
 void InitPetActionBar();
 void InitEmptyActionBar(bool withAttack = true);
 
 //return true if successful
 bool AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates newstate = ACT_DECIDE, uint8 preferredSlot = 0);
 bool RemoveSpellFromActionBar(uint32 spell_id);
 void LoadPetActionBar(const std::string& data);
 void BuildActionBar(WorldPacket* data);
 void SetSpellAutocast(SpellInfo const* spellInfo, bool state);
 void SetActionBar(uint8 index, uint32 spellOrAction, ActiveStates type)
 {
 PetActionBar[index].SetActionAndType(spellOrAction, type);
 }
 
 UnitActionBarEntry const* GetActionBarEntry(uint8 index) const { return &(PetActionBar[index]); }
 
 void ToggleCreatureAutocast(SpellInfo const* spellInfo, bool apply);
 
 CharmSpellInfo* GetCharmSpell(uint8 index) { return &(_charmspells[index]); }
 
 void SetIsCommandAttack(bool val);
 bool IsCommandAttack();
 void SetIsCommandFollow(bool val);
 bool IsCommandFollow();
 void SetIsAtStay(bool val);
 bool IsAtStay();
 void SetIsFollowing(bool val);
 bool IsFollowing();
 void SetIsReturning(bool val);
 bool IsReturning();
 void SaveStayPosition();
 void GetStayPosition(float &x, float &y, float &z);
 
 private:
 
 Unit* _unit;
 UnitActionBarEntry PetActionBar[MAX_UNIT_ACTION_BAR_INDEX];
 CharmSpellInfo _charmspells[4];
 CommandStates _CommandState;
 uint32 _petnumber;
 
 //for restoration after charmed
 ReactStates _oldReactState;
 
 bool _isCommandAttack;
 bool _isCommandFollow;
 bool _isAtStay;
 bool _isFollowing;
 bool _isReturning;
 float _stayX;
 float _stayY;
 float _stayZ;
};
 
#endif // _CharmInfo_h__