Core/Units: moved CharmInfo class and its definitions into a own file (#29583)

(cherry picked from commit ea093fef2787121549f864b8b177d88ad8b54464)

18 files changed, 462 insertions, 388 deletions

diff --git a/src/server/game/AI/CoreAI/PetAI.cpp b/src/server/game/AI/CoreAI/PetAI.cpp
index 16e9356f646..fb2d3848946 100644
--- a/src/server/game/AI/CoreAI/PetAI.cpp
+++ b/src/server/game/AI/CoreAI/PetAI.cpp
@@ -17,6 +17,7 @@
 
 #include "PetAI.h"
 #include "AIException.h"
+#include "CharmInfo.h"
 #include "Creature.h"
 #include "Errors.h"
 #include "Group.h"
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 3f287ea5d51..f82d87dbe11 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -18,6 +18,7 @@
 #include "Creature.h"
 #include "BattlegroundMgr.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "CombatPackets.h"
 #include "Containers.h"
 #include "CreatureAI.h"
@@ -3107,6 +3108,11 @@ std::string Creature::GetNameForLocaleIdx(LocaleConstant locale) const
     return GetName();
 }
 
+uint8 Creature::GetPetAutoSpellSize() const
+{
+    return MAX_SPELL_CHARM;
+}
+
 uint32 Creature::GetPetAutoSpellOnPos(uint8 pos) const
 {
     if (pos >= MAX_SPELL_CHARM || !m_charmInfo || m_charmInfo->GetCharmSpell(pos)->GetType() != ACT_ENABLED)
diff --git a/src/server/game/Entities/Creature/Creature.h b/src/server/game/Entities/Creature/Creature.h
index 84865873963..ff513e0dae0 100644
--- a/src/server/game/Entities/Creature/Creature.h
+++ b/src/server/game/Entities/Creature/Creature.h
@@ -312,7 +312,7 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
 
         bool CanRegenerateHealth() const { return !_staticFlags.HasFlag(CREATURE_STATIC_FLAG_5_NO_HEALTH_REGEN) && _regenerateHealth; }
         void SetRegenerateHealth(bool value) { _staticFlags.ApplyFlag(CREATURE_STATIC_FLAG_5_NO_HEALTH_REGEN, !value); }
-        virtual uint8 GetPetAutoSpellSize() const { return MAX_SPELL_CHARM; }
+        virtual uint8 GetPetAutoSpellSize() const;
         virtual uint32 GetPetAutoSpellOnPos(uint8 pos) const;
         float GetPetChaseDistance() const;
 
diff --git a/src/server/game/Entities/Creature/TemporarySummon.cpp b/src/server/game/Entities/Creature/TemporarySummon.cpp
index 919f62262a8..f3a6f35770d 100644
--- a/src/server/game/Entities/Creature/TemporarySummon.cpp
+++ b/src/server/game/Entities/Creature/TemporarySummon.cpp
@@ -17,6 +17,7 @@
 
 #include "TemporarySummon.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "CreatureAI.h"
 #include "DB2Stores.h"
 #include "GameObject.h"
diff --git a/src/server/game/Entities/Pet/Pet.cpp b/src/server/game/Entities/Pet/Pet.cpp
index fe40abcf830..9c00423f941 100644
--- a/src/server/game/Entities/Pet/Pet.cpp
+++ b/src/server/game/Entities/Pet/Pet.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "Pet.h"
+#include "CharmInfo.h"
 #include "Common.h"
 #include "DatabaseEnv.h"
 #include "DB2Stores.h"
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 29afb42274b..5c36b15a7ea 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -36,6 +36,7 @@
 #include "CharacterDatabaseCleaner.h"
 #include "CharacterTemplateDataStore.h"
 #include "CharacterPackets.h"
+#include "CharmInfo.h"
 #include "Chat.h"
 #include "ChatPackets.h"
 #include "ChatTextBuilder.h"
diff --git a/src/server/game/Entities/Unit/CharmInfo.cpp b/src/server/game/Entities/Unit/CharmInfo.cpp
new file mode 100644
index 00000000000..ed440785cc1
--- /dev/null
+++ b/src/server/game/Entities/Unit/CharmInfo.cpp
@@ -0,0 +1,283 @@
+/*
+ * 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/>.
+ */
+
+#include "CharmInfo.h"
+#include "Creature.h"
+#include "Map.h"
+#include "SpellInfo.h"
+#include "SpellMgr.h"
+#include "StringConvert.h"
+#include "Unit.h"
+
+CharmInfo::CharmInfo(Unit* unit)
+: _unit(unit), _CommandState(COMMAND_FOLLOW), _petnumber(0), _oldReactState(REACT_PASSIVE),
+  _isCommandAttack(false), _isCommandFollow(false), _isAtStay(false), _isFollowing(false), _isReturning(false),
+  _stayX(0.0f), _stayY(0.0f), _stayZ(0.0f)
+{
+    for (uint8 i = 0; i < MAX_SPELL_CHARM; ++i)
+        _charmspells[i].SetActionAndType(0, ACT_DISABLED);
+
+    if (Creature* creature = _unit->ToCreature())
+    {
+        _oldReactState = creature->GetReactState();
+        creature->SetReactState(REACT_PASSIVE);
+    }
+}
+
+CharmInfo::~CharmInfo() { }
+
+void CharmInfo::RestoreState()
+{
+    if (Creature* creature = _unit->ToCreature())
+        creature->SetReactState(_oldReactState);
+}
+
+void CharmInfo::InitPetActionBar()
+{
+    // the first 3 SpellOrActions are attack, follow and stay
+    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_START - ACTION_BAR_INDEX_START; ++i)
+        SetActionBar(ACTION_BAR_INDEX_START + i, COMMAND_ATTACK - i, ACT_COMMAND);
+
+    // middle 4 SpellOrActions are spells/special attacks/abilities
+    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_END-ACTION_BAR_INDEX_PET_SPELL_START; ++i)
+        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_START + i, 0, ACT_PASSIVE);
+
+    // last 3 SpellOrActions are reactions
+    for (uint32 i = 0; i < ACTION_BAR_INDEX_END - ACTION_BAR_INDEX_PET_SPELL_END; ++i)
+        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_END + i, COMMAND_ATTACK - i, ACT_REACTION);
+}
+
+void CharmInfo::InitEmptyActionBar(bool withAttack)
+{
+    if (withAttack)
+        SetActionBar(ACTION_BAR_INDEX_START, COMMAND_ATTACK, ACT_COMMAND);
+    else
+        SetActionBar(ACTION_BAR_INDEX_START, 0, ACT_PASSIVE);
+    for (uint32 x = ACTION_BAR_INDEX_START+1; x < ACTION_BAR_INDEX_END; ++x)
+        SetActionBar(x, 0, ACT_PASSIVE);
+}
+
+void CharmInfo::InitPossessCreateSpells()
+{
+    if (_unit->GetTypeId() == TYPEID_UNIT)
+    {
+        // Adding switch until better way is found. Malcrom
+        // Adding entrys to this switch will prevent COMMAND_ATTACK being added to pet bar.
+        switch (_unit->GetEntry())
+        {
+            case 23575: // Mindless Abomination
+            case 24783: // Trained Rock Falcon
+            case 27664: // Crashin' Thrashin' Racer
+            case 40281: // Crashin' Thrashin' Racer
+            case 28511: // Eye of Acherus
+                break;
+            default:
+                InitEmptyActionBar();
+                break;
+        }
+
+        for (uint8 i = 0; i < MAX_CREATURE_SPELLS; ++i)
+        {
+            uint32 spellId = _unit->ToCreature()->m_spells[i];
+            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId, _unit->GetMap()->GetDifficultyID());
+            if (spellInfo)
+            {
+                if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
+                    continue;
+
+                if (spellInfo->IsPassive())
+                    _unit->CastSpell(_unit, spellInfo->Id, true);
+                else
+                    AddSpellToActionBar(spellInfo, ACT_PASSIVE, i % MAX_UNIT_ACTION_BAR_INDEX);
+            }
+        }
+    }
+    else
+        InitEmptyActionBar();
+}
+
+void CharmInfo::InitCharmCreateSpells()
+{
+    if (_unit->GetTypeId() == TYPEID_PLAYER)                // charmed players don't have spells
+    {
+        InitEmptyActionBar();
+        return;
+    }
+
+    InitPetActionBar();
+
+    for (uint32 x = 0; x < MAX_SPELL_CHARM; ++x)
+    {
+        uint32 spellId = _unit->ToCreature()->m_spells[x];
+        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId, _unit->GetMap()->GetDifficultyID());
+
+        if (!spellInfo)
+        {
+            _charmspells[x].SetActionAndType(spellId, ACT_DISABLED);
+            continue;
+        }
+
+        if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
+            continue;
+
+        if (spellInfo->IsPassive())
+        {
+            _unit->CastSpell(_unit, spellInfo->Id, true);
+            _charmspells[x].SetActionAndType(spellId, ACT_PASSIVE);
+        }
+        else
+        {
+            _charmspells[x].SetActionAndType(spellId, ACT_DISABLED);
+
+            ActiveStates newstate = ACT_PASSIVE;
+
+            if (!spellInfo->IsAutocastable())
+                newstate = ACT_PASSIVE;
+            else
+            {
+                if (spellInfo->NeedsExplicitUnitTarget())
+                {
+                    newstate = ACT_ENABLED;
+                    ToggleCreatureAutocast(spellInfo, true);
+                }
+                else
+                    newstate = ACT_DISABLED;
+            }
+
+            AddSpellToActionBar(spellInfo, newstate);
+        }
+    }
+}
+
+bool CharmInfo::AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates newstate, uint8 preferredSlot)
+{
+    uint32 spell_id = spellInfo->Id;
+    uint32 first_id = spellInfo->GetFirstRankSpell()->Id;
+
+    ASSERT(preferredSlot < MAX_UNIT_ACTION_BAR_INDEX);
+    // new spell rank can be already listed
+    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
+    {
+        if (uint32 action = PetActionBar[i].GetAction())
+        {
+            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr->GetFirstSpellInChain(action) == first_id)
+            {
+                PetActionBar[i].SetAction(spell_id);
+                return true;
+            }
+        }
+    }
+
+    // or use empty slot in other case
+    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
+    {
+        uint8 j = (preferredSlot + i) % MAX_UNIT_ACTION_BAR_INDEX;
+        if (!PetActionBar[j].GetAction() && PetActionBar[j].IsActionBarForSpell())
+        {
+            SetActionBar(j, spell_id, newstate == ACT_DECIDE ? spellInfo->IsAutocastable() ? ACT_DISABLED : ACT_PASSIVE : newstate);
+            return true;
+        }
+    }
+    return false;
+}
+
+bool CharmInfo::RemoveSpellFromActionBar(uint32 spell_id)
+{
+    uint32 first_id = sSpellMgr->GetFirstSpellInChain(spell_id);
+
+    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
+    {
+        if (uint32 action = PetActionBar[i].GetAction())
+        {
+            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr->GetFirstSpellInChain(action) == first_id)
+            {
+                SetActionBar(i, 0, ACT_PASSIVE);
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void CharmInfo::ToggleCreatureAutocast(SpellInfo const* spellInfo, bool apply)
+{
+    if (spellInfo->IsPassive())
+        return;
+
+    for (uint32 x = 0; x < MAX_SPELL_CHARM; ++x)
+        if (spellInfo->Id == _charmspells[x].GetAction())
+            _charmspells[x].SetType(apply ? ACT_ENABLED : ACT_DISABLED);
+}
+
+void CharmInfo::SetPetNumber(uint32 petnumber, bool statwindow)
+{
+    _petnumber = petnumber;
+    if (statwindow)
+        _unit->SetPetNumberForClient(_petnumber);
+    else
+        _unit->SetPetNumberForClient(0);
+}
+
+void CharmInfo::LoadPetActionBar(const std::string& data)
+{
+    InitPetActionBar();
+
+    std::vector<std::string_view> tokens = Trinity::Tokenize(data, ' ', false);
+    if (tokens.size() != (ACTION_BAR_INDEX_END-ACTION_BAR_INDEX_START) * 2)
+        return;                                             // non critical, will reset to default
+
+    auto iter = tokens.begin();
+    for (uint8 index = ACTION_BAR_INDEX_START; index < ACTION_BAR_INDEX_END; ++index)
+    {
+        Optional<uint8> type = Trinity::StringTo<uint8>(*(iter++));
+        Optional<uint32> action = Trinity::StringTo<uint32>(*(iter++));
+
+        if (!type || !action)
+            continue;
+
+        PetActionBar[index].SetActionAndType(*action, static_cast<ActiveStates>(*type));
+
+        // check correctness
+        if (PetActionBar[index].IsActionBarForSpell())
+        {
+            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(PetActionBar[index].GetAction(), _unit->GetMap()->GetDifficultyID());
+            if (!spellInfo)
+                SetActionBar(index, 0, ACT_PASSIVE);
+            else if (!spellInfo->IsAutocastable())
+                SetActionBar(index, PetActionBar[index].GetAction(), ACT_PASSIVE);
+        }
+    }
+}
+
+void CharmInfo::BuildActionBar(WorldPacket* data)
+{
+    for (uint32 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
+        *data << uint32(PetActionBar[i].packedData);
+}
+
+void CharmInfo::SetSpellAutocast(SpellInfo const* spellInfo, bool state)
+{
+    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
+    {
+        if (spellInfo->Id == PetActionBar[i].GetAction() && PetActionBar[i].IsActionBarForSpell())
+        {
+            PetActionBar[i].SetType(state ? ACT_ENABLED : ACT_DISABLED);
+            break;
+        }
+    }
+}
diff --git a/src/server/game/Entities/Unit/CharmInfo.h b/src/server/game/Entities/Unit/CharmInfo.h
new file mode 100644
index 00000000000..e21cf4f0f7d
--- /dev/null
+++ b/src/server/game/Entities/Unit/CharmInfo.h
@@ -0,0 +1,157 @@
+/*
+ * 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__
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index db256630584..a4be7be9173 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -25,6 +25,7 @@
 #include "BattlePetMgr.h"
 #include "CellImpl.h"
 #include "CharacterCache.h"
+#include "CharmInfo.h"
 #include "ChatPackets.h"
 #include "ChatTextBuilder.h"
 #include "CombatLogPackets.h"
@@ -9621,265 +9622,6 @@ void Unit::DeleteCharmInfo()
     m_charmInfo = nullptr;
 }
 
-CharmInfo::CharmInfo(Unit* unit)
-: _unit(unit), _CommandState(COMMAND_FOLLOW), _petnumber(0), _oldReactState(REACT_PASSIVE),
-  _isCommandAttack(false), _isCommandFollow(false), _isAtStay(false), _isFollowing(false), _isReturning(false),
-  _stayX(0.0f), _stayY(0.0f), _stayZ(0.0f)
-{
-    for (uint8 i = 0; i < MAX_SPELL_CHARM; ++i)
-        _charmspells[i].SetActionAndType(0, ACT_DISABLED);
-
-    if (Creature* creature = _unit->ToCreature())
-    {
-        _oldReactState = creature->GetReactState();
-        creature->SetReactState(REACT_PASSIVE);
-    }
-}
-
-CharmInfo::~CharmInfo() { }
-
-void CharmInfo::RestoreState()
-{
-    if (Creature* creature = _unit->ToCreature())
-        creature->SetReactState(_oldReactState);
-}
-
-void CharmInfo::InitPetActionBar()
-{
-    // the first 3 SpellOrActions are attack, follow and stay
-    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_START - ACTION_BAR_INDEX_START; ++i)
-        SetActionBar(ACTION_BAR_INDEX_START + i, COMMAND_ATTACK - i, ACT_COMMAND);
-
-    // middle 4 SpellOrActions are spells/special attacks/abilities
-    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_END-ACTION_BAR_INDEX_PET_SPELL_START; ++i)
-        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_START + i, 0, ACT_PASSIVE);
-
-    // last 3 SpellOrActions are reactions
-    for (uint32 i = 0; i < ACTION_BAR_INDEX_END - ACTION_BAR_INDEX_PET_SPELL_END; ++i)
-        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_END + i, COMMAND_ATTACK - i, ACT_REACTION);
-}
-
-void CharmInfo::InitEmptyActionBar(bool withAttack)
-{
-    if (withAttack)
-        SetActionBar(ACTION_BAR_INDEX_START, COMMAND_ATTACK, ACT_COMMAND);
-    else
-        SetActionBar(ACTION_BAR_INDEX_START, 0, ACT_PASSIVE);
-    for (uint32 x = ACTION_BAR_INDEX_START+1; x < ACTION_BAR_INDEX_END; ++x)
-        SetActionBar(x, 0, ACT_PASSIVE);
-}
-
-void CharmInfo::InitPossessCreateSpells()
-{
-    if (_unit->GetTypeId() == TYPEID_UNIT)
-    {
-        // Adding switch until better way is found. Malcrom
-        // Adding entrys to this switch will prevent COMMAND_ATTACK being added to pet bar.
-        switch (_unit->GetEntry())
-        {
-            case 23575: // Mindless Abomination
-            case 24783: // Trained Rock Falcon
-            case 27664: // Crashin' Thrashin' Racer
-            case 40281: // Crashin' Thrashin' Racer
-            case 28511: // Eye of Acherus
-                break;
-            default:
-                InitEmptyActionBar();
-                break;
-        }
-
-        for (uint8 i = 0; i < MAX_CREATURE_SPELLS; ++i)
-        {
-            uint32 spellId = _unit->ToCreature()->m_spells[i];
-            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId, _unit->GetMap()->GetDifficultyID());
-            if (spellInfo)
-            {
-                if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
-                    continue;
-
-                if (spellInfo->IsPassive())
-                    _unit->CastSpell(_unit, spellInfo->Id, true);
-                else
-                    AddSpellToActionBar(spellInfo, ACT_PASSIVE, i % MAX_UNIT_ACTION_BAR_INDEX);
-            }
-        }
-    }
-    else
-        InitEmptyActionBar();
-}
-
-void CharmInfo::InitCharmCreateSpells()
-{
-    if (_unit->GetTypeId() == TYPEID_PLAYER)                // charmed players don't have spells
-    {
-        InitEmptyActionBar();
-        return;
-    }
-
-    InitPetActionBar();
-
-    for (uint32 x = 0; x < MAX_SPELL_CHARM; ++x)
-    {
-        uint32 spellId = _unit->ToCreature()->m_spells[x];
-        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId, _unit->GetMap()->GetDifficultyID());
-
-        if (!spellInfo)
-        {
-            _charmspells[x].SetActionAndType(spellId, ACT_DISABLED);
-            continue;
-        }
-
-        if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
-            continue;
-
-        if (spellInfo->IsPassive())
-        {
-            _unit->CastSpell(_unit, spellInfo->Id, true);
-            _charmspells[x].SetActionAndType(spellId, ACT_PASSIVE);
-        }
-        else
-        {
-            _charmspells[x].SetActionAndType(spellId, ACT_DISABLED);
-
-            ActiveStates newstate = ACT_PASSIVE;
-
-            if (!spellInfo->IsAutocastable())
-                newstate = ACT_PASSIVE;
-            else
-            {
-                if (spellInfo->NeedsExplicitUnitTarget())
-                {
-                    newstate = ACT_ENABLED;
-                    ToggleCreatureAutocast(spellInfo, true);
-                }
-                else
-                    newstate = ACT_DISABLED;
-            }
-
-            AddSpellToActionBar(spellInfo, newstate);
-        }
-    }
-}
-
-bool CharmInfo::AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates newstate, uint8 preferredSlot)
-{
-    uint32 spell_id = spellInfo->Id;
-    uint32 first_id = spellInfo->GetFirstRankSpell()->Id;
-
-    ASSERT(preferredSlot < MAX_UNIT_ACTION_BAR_INDEX);
-    // new spell rank can be already listed
-    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
-    {
-        if (uint32 action = PetActionBar[i].GetAction())
-        {
-            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr->GetFirstSpellInChain(action) == first_id)
-            {
-                PetActionBar[i].SetAction(spell_id);
-                return true;
-            }
-        }
-    }
-
-    // or use empty slot in other case
-    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
-    {
-        uint8 j = (preferredSlot + i) % MAX_UNIT_ACTION_BAR_INDEX;
-        if (!PetActionBar[j].GetAction() && PetActionBar[j].IsActionBarForSpell())
-        {
-            SetActionBar(j, spell_id, newstate == ACT_DECIDE ? spellInfo->IsAutocastable() ? ACT_DISABLED : ACT_PASSIVE : newstate);
-            return true;
-        }
-    }
-    return false;
-}
-
-bool CharmInfo::RemoveSpellFromActionBar(uint32 spell_id)
-{
-    uint32 first_id = sSpellMgr->GetFirstSpellInChain(spell_id);
-
-    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
-    {
-        if (uint32 action = PetActionBar[i].GetAction())
-        {
-            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr->GetFirstSpellInChain(action) == first_id)
-            {
-                SetActionBar(i, 0, ACT_PASSIVE);
-                return true;
-            }
-        }
-    }
-
-    return false;
-}
-
-void CharmInfo::ToggleCreatureAutocast(SpellInfo const* spellInfo, bool apply)
-{
-    if (spellInfo->IsPassive())
-        return;
-
-    for (uint32 x = 0; x < MAX_SPELL_CHARM; ++x)
-        if (spellInfo->Id == _charmspells[x].GetAction())
-            _charmspells[x].SetType(apply ? ACT_ENABLED : ACT_DISABLED);
-}
-
-void CharmInfo::SetPetNumber(uint32 petnumber, bool statwindow)
-{
-    _petnumber = petnumber;
-    if (statwindow)
-        _unit->SetPetNumberForClient(_petnumber);
-    else
-        _unit->SetPetNumberForClient(0);
-}
-
-void CharmInfo::LoadPetActionBar(const std::string& data)
-{
-    InitPetActionBar();
-
-    std::vector<std::string_view> tokens = Trinity::Tokenize(data, ' ', false);
-    if (tokens.size() != (ACTION_BAR_INDEX_END-ACTION_BAR_INDEX_START) * 2)
-        return;                                             // non critical, will reset to default
-
-    auto iter = tokens.begin();
-    for (uint8 index = ACTION_BAR_INDEX_START; index < ACTION_BAR_INDEX_END; ++index)
-    {
-        Optional<uint8> type = Trinity::StringTo<uint8>(*(iter++));
-        Optional<uint32> action = Trinity::StringTo<uint32>(*(iter++));
-
-        if (!type || !action)
-            continue;
-
-        PetActionBar[index].SetActionAndType(*action, static_cast<ActiveStates>(*type));
-
-        // check correctness
-        if (PetActionBar[index].IsActionBarForSpell())
-        {
-            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(PetActionBar[index].GetAction(), _unit->GetMap()->GetDifficultyID());
-            if (!spellInfo)
-                SetActionBar(index, 0, ACT_PASSIVE);
-            else if (!spellInfo->IsAutocastable())
-                SetActionBar(index, PetActionBar[index].GetAction(), ACT_PASSIVE);
-        }
-    }
-}
-
-void CharmInfo::BuildActionBar(WorldPacket* data)
-{
-    for (uint32 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
-        *data << uint32(PetActionBar[i].packedData);
-}
-
-void CharmInfo::SetSpellAutocast(SpellInfo const* spellInfo, bool state)
-{
-    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
-    {
-        if (spellInfo->Id == PetActionBar[i].GetAction() && PetActionBar[i].IsActionBarForSpell())
-        {
-            PetActionBar[i].SetType(state ? ACT_ENABLED : ACT_DISABLED);
-            break;
-        }
-    }
-}
-
 void Unit::SetMovedUnit(Unit* target)
 {
     m_unitMovedByMe->m_playerMovingMe = nullptr;
diff --git a/src/server/game/Entities/Unit/Unit.h b/src/server/game/Entities/Unit/Unit.h
index d440615ba87..847e594b99c 100644
--- a/src/server/game/Entities/Unit/Unit.h
+++ b/src/server/game/Entities/Unit/Unit.h
@@ -39,11 +39,6 @@
 
 #define WARMODE_ENLISTED_SPELL_OUTSIDE 269083
 
-#define MAX_SPELL_CHARM         4
-#define MAX_SPELL_VEHICLE       6
-#define MAX_SPELL_POSSESS       8
-#define MAX_SPELL_CONTROL_BAR   10
-
 #define MAX_AGGRO_RESET_TIME 10 // in seconds
 #define MAX_AGGRO_RADIUS 45.0f  // yards
 
@@ -68,6 +63,7 @@ enum InventorySlot
 };
 
 struct AbstractFollower;
+struct CharmInfo;
 struct FactionTemplateEntry;
 struct LiquidData;
 struct LiquidTypeEntry;
@@ -98,6 +94,7 @@ class UnitAura;
 class Vehicle;
 class VehicleJoinEvent;
 
+enum CharmType : uint8;
 enum class EncounterType : uint8;
 enum class PetActionFeedback : uint8;
 enum MovementGeneratorType : uint8;
@@ -585,131 +582,8 @@ enum CurrentSpellTypes : uint8
 #define CURRENT_FIRST_NON_MELEE_SPELL 1
 #define CURRENT_MAX_SPELL             4
 
-#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);
-    }
-};
-
 typedef std::list<Player*> SharedVisionList;
 
-enum CharmType
-{
-    CHARM_TYPE_CHARM,
-    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;
-};
-
 // for clearing special attacks
 #define REACTIVE_TIMER_START 4000
 
diff --git a/src/server/game/Entities/Vehicle/Vehicle.cpp b/src/server/game/Entities/Vehicle/Vehicle.cpp
index 24f7dfcbf95..d00f313e56d 100644
--- a/src/server/game/Entities/Vehicle/Vehicle.cpp
+++ b/src/server/game/Entities/Vehicle/Vehicle.cpp
@@ -17,6 +17,7 @@
 
 #include "Vehicle.h"
 #include "Battleground.h"
+#include "CharmInfo.h"
 #include "Common.h"
 #include "CreatureAI.h"
 #include "DB2Stores.h"
diff --git a/src/server/game/Handlers/PetHandler.cpp b/src/server/game/Handlers/PetHandler.cpp
index 268c839f237..cd680f4a973 100644
--- a/src/server/game/Handlers/PetHandler.cpp
+++ b/src/server/game/Handlers/PetHandler.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "WorldSession.h"
+#include "CharmInfo.h"
 #include "Common.h"
 #include "CreatureAI.h"
 #include "DatabaseEnv.h"
diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index 339de289d64..cef5073b2ba 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -21,6 +21,7 @@
 #include "Battleground.h"
 #include "BattlegroundPackets.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "Common.h"
 #include "Containers.h"
 #include "DB2Stores.h"
diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index ed187e2c597..0817ecfd383 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -21,6 +21,7 @@
 #include "Battleground.h"
 #include "BattlePetMgr.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "CollectionMgr.h"
 #include "CombatLogPackets.h"
 #include "Common.h"
diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index 450bcfd7757..d056efd70c6 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -22,6 +22,7 @@
 #include "BattlegroundMgr.h"
 #include "BattlePetMgr.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "CombatLogPackets.h"
 #include "CombatPackets.h"
 #include "Common.h"
diff --git a/src/server/game/Spells/SpellHistory.cpp b/src/server/game/Spells/SpellHistory.cpp
index 7e090101530..4f8fc96e378 100644
--- a/src/server/game/Spells/SpellHistory.cpp
+++ b/src/server/game/Spells/SpellHistory.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "SpellHistory.h"
+#include "CharmInfo.h"
 #include "DatabaseEnv.h"
 #include "DB2Stores.h"
 #include "Duration.h"
diff --git a/src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp b/src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp
index fe9054503a9..9c2969e0704 100644
--- a/src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp
+++ b/src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp
@@ -17,6 +17,7 @@
 
 #include "CreatureAIImpl.h"
 #include "ScriptMgr.h"
+#include "CharmInfo.h"
 #include "CombatAI.h"
 #include "CreatureTextMgr.h"
 #include "G3DPosition.hpp"
diff --git a/src/server/scripts/World/npcs_special.cpp b/src/server/scripts/World/npcs_special.cpp
index afefcc42ba9..a3db8c19c6b 100644
--- a/src/server/scripts/World/npcs_special.cpp
+++ b/src/server/scripts/World/npcs_special.cpp
@@ -17,6 +17,7 @@
 
 #include "ScriptMgr.h"
 #include "CellImpl.h"
+#include "CharmInfo.h"
 #include "CombatAI.h"
 #include "Containers.h"
 #include "CreatureTextMgr.h"