Core/Spell: move attribute helpers to spellInfo

- Renamed CheckEffectExecuteData to AssertEffectExecuteData and made const, better reflects its purpose
- Added missing attribute check to IsNextMeleeSwingSpell
- Reworked SPELL_ATTR4_CAST_ONLY_IN_OUTLAND attr check (researched behavior)

src/server/game/DataStores/DBCStructure.h

@@ -192,6 +192,17 @@ struct AreaTableEntry
             return true;
         return (flags & AREA_FLAG_SANCTUARY) != 0;
     }
+
+    bool IsFlyable() const
+    {
+        if (flags & AREA_FLAG_OUTLAND)
+        {
+            if (!(flags & AREA_FLAG_NO_FLY_ZONE))
+                return true;
+        }
+
+        return false;
+    }
 };
 
 #define MAX_GROUP_AREA_IDS 6

src/server/game/Spells/Spell.cpp

@@ -647,7 +647,8 @@ Spell::~Spell()
 
     delete m_spellValue;
 
-    CheckEffectExecuteData();
+    // missing cleanup somewhere, mem leaks so let's crash
+    AssertEffectExecuteData();
 }
 
 void Spell::InitExplicitTargets(SpellCastTargets const& targets)
@@ -2992,7 +2993,7 @@ void Spell::prepare(SpellCastTargets const* targets, AuraEffect const* triggered
         m_casttime = m_spellInfo->CalcCastTime(this);
 
     if (m_caster->GetTypeId() == TYPEID_UNIT && !m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED)) // _UNIT actually means creature. for some reason.
-        if (!(IsNextMeleeSwingSpell() || IsAutoRepeat() || _triggeredCastFlags & TRIGGERED_IGNORE_SET_FACING))
+        if (!(m_spellInfo->IsNextMeleeSwingSpell() || IsAutoRepeat() || (_triggeredCastFlags & TRIGGERED_IGNORE_SET_FACING)))
         {
             if (m_targets.GetObjectTarget() && m_caster != m_targets.GetObjectTarget())
                 m_caster->ToCreature()->FocusTarget(this, m_targets.GetObjectTarget());
@@ -3005,8 +3006,8 @@ void Spell::prepare(SpellCastTargets const* targets, AuraEffect const* triggered
     // (even if they are interrupted on moving, spells with almost immediate effect get to have their effect processed before movement interrupter kicks in)
     if ((m_spellInfo->IsChanneled() || m_casttime) && m_caster->GetTypeId() == TYPEID_PLAYER && !(m_caster->IsCharmed() && m_caster->GetCharmerGUID().IsCreature()) && m_caster->isMoving() && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
     {
-        // 1. Is a channel spell, 2. Has no casttime, 3. And has flag to allow movement during channel
-        if (!(m_spellInfo->IsChanneled() && !m_casttime && m_spellInfo->HasAttribute(SPELL_ATTR5_CAN_CHANNEL_WHEN_MOVING)))
+        // 1. Has casttime, 2. Or doesn't have flag to allow movement during channel
+        if (m_casttime || !m_spellInfo->IsMoveAllowedChannel())
         {
             SendCastResult(SPELL_FAILED_MOVING);
             finish(false);
@@ -3561,7 +3562,7 @@ void Spell::update(uint32 difftime)
         (m_spellInfo->Effects[0].Effect != SPELL_EFFECT_STUCK || !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING_FAR))))
     {
         // don't cancel for melee, autorepeat, triggered and instant spells
-        if (!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !IsTriggered() && !(IsChannelActive() && m_spellInfo->HasAttribute(SPELL_ATTR5_CAN_CHANNEL_WHEN_MOVING)))
+        if (!m_spellInfo->IsNextMeleeSwingSpell() && !IsAutoRepeat() && !IsTriggered() && !(IsChannelActive() && m_spellInfo->IsMoveAllowedChannel()))
         {
             // if charmed by creature, trust the AI not to cheat and allow the cast to proceed
             // @todo this is a hack, "creature" movesplines don't differentiate turning/moving right now
@@ -3583,7 +3584,7 @@ void Spell::update(uint32 difftime)
                     m_timer -= difftime;
             }
 
-            if (m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
+            if (m_timer == 0 && !m_spellInfo->IsNextMeleeSwingSpell() && !IsAutoRepeat())
                 // don't CheckCast for instant spells - done in spell::prepare, skip duplicate checks, needed for range checks for example
                 cast(!m_casttime);
             break;
@@ -6618,14 +6619,14 @@ bool Spell::UpdatePointers()
 
 CurrentSpellTypes Spell::GetCurrentContainer() const
 {
-    if (IsNextMeleeSwingSpell())
-        return(CURRENT_MELEE_SPELL);
+    if (m_spellInfo->IsNextMeleeSwingSpell())
+        return CURRENT_MELEE_SPELL;
     else if (IsAutoRepeat())
-        return(CURRENT_AUTOREPEAT_SPELL);
+        return CURRENT_AUTOREPEAT_SPELL;
     else if (m_spellInfo->IsChanneled())
-        return(CURRENT_CHANNELED_SPELL);
-    else
-        return(CURRENT_GENERIC_SPELL);
+        return CURRENT_CHANNELED_SPELL;
+
+    return CURRENT_GENERIC_SPELL;
 }
 
 bool Spell::CheckEffectTarget(Unit const* target, uint32 eff, Position const* losPosition) const
@@ -6704,11 +6705,6 @@ bool Spell::CheckEffectTarget(Unit const* target, uint32 eff, Position const* lo
     return true;
 }
 
-bool Spell::IsNextMeleeSwingSpell() const
-{
-    return m_spellInfo->HasAttribute(SPELL_ATTR0_ON_NEXT_SWING);
-}
-
 bool Spell::IsAutoActionResetSpell() const
 {
     /// @todo changed SPELL_INTERRUPT_FLAG_AUTOATTACK -> SPELL_INTERRUPT_FLAG_INTERRUPT to fix compile - is this check correct at all?
@@ -7086,7 +7082,7 @@ void Spell::SetSpellValue(SpellValueMod mod, int32 value)
 
 void Spell::PrepareTargetProcessing()
 {
-    CheckEffectExecuteData();
+    AssertEffectExecuteData();
 }
 
 void Spell::FinishTargetProcessing()
@@ -7111,7 +7107,7 @@ void Spell::InitEffectExecuteData(uint8 effIndex)
     }
 }
 
-void Spell::CheckEffectExecuteData()
+void Spell::AssertEffectExecuteData() const
 {
     for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
         ASSERT(!m_effectExecuteData[i]);

src/server/game/Spells/Spell.h

@@ -473,7 +473,6 @@ class TC_GAME_API Spell
         bool IsAutoRepeat() const { return m_autoRepeat; }
         void SetAutoRepeat(bool rep) { m_autoRepeat = rep; }
         void ReSetTimer() { m_timer = m_casttime > 0 ? m_casttime : 0; }
-        bool IsNextMeleeSwingSpell() const;
         bool IsTriggered() const { return (_triggeredCastFlags & TRIGGERED_FULL_MASK) != 0; }
         bool IsIgnoringCooldowns() const { return (_triggeredCastFlags & TRIGGERED_IGNORE_SPELL_AND_CATEGORY_CD) != 0; }
         bool IsProcDisabled() const { return (_triggeredCastFlags & TRIGGERED_DISALLOW_PROC_EVENTS) != 0; }
@@ -637,7 +636,7 @@ class TC_GAME_API Spell
 
         // spell execution log
         void InitEffectExecuteData(uint8 effIndex);
-        void CheckEffectExecuteData();
+        void AssertEffectExecuteData() const;
 
         // Scripting system
         void LoadScripts();

src/server/game/Spells/SpellInfo.cpp

@@ -1181,12 +1181,22 @@ bool SpellInfo::IsPositiveEffect(uint8 effIndex) const
 
 bool SpellInfo::IsChanneled() const
 {
-    return HasAttribute(SPELL_ATTR1_CHANNELED_1) || HasAttribute(SPELL_ATTR1_CHANNELED_2);
+    return HasAttribute(SpellAttr1(SPELL_ATTR1_CHANNELED_1 | SPELL_ATTR1_CHANNELED_2));
+}
+
+bool SpellInfo::IsMoveAllowedChannel() const
+{
+    return IsChanneled() && HasAttribute(SPELL_ATTR5_CAN_CHANNEL_WHEN_MOVING);
 }
 
 bool SpellInfo::NeedsComboPoints() const
 {
-    return HasAttribute(SPELL_ATTR1_REQ_COMBO_POINTS1) || HasAttribute(SPELL_ATTR1_REQ_COMBO_POINTS2);
+    return HasAttribute(SpellAttr1(SPELL_ATTR1_REQ_COMBO_POINTS1 | SPELL_ATTR1_REQ_COMBO_POINTS2));
+}
+
+bool SpellInfo::IsNextMeleeSwingSpell() const
+{
+    return HasAttribute(SpellAttr0(SPELL_ATTR0_ON_NEXT_SWING | SPELL_ATTR0_ON_NEXT_SWING_2));
 }
 
 bool SpellInfo::IsBreakingStealth() const
@@ -1420,9 +1430,11 @@ SpellCastResult SpellInfo::CheckLocation(uint32 map_id, uint32 zone_id, uint32 a
     // continent limitation (virtual continent)
     if (HasAttribute(SPELL_ATTR4_CAST_ONLY_IN_OUTLAND))
     {
-        uint32 v_map = GetVirtualMapForMapAndZone(map_id, zone_id);
-        MapEntry const* mapEntry = sMapStore.LookupEntry(v_map);
-        if (!mapEntry || mapEntry->addon < 1 || !mapEntry->IsContinent())
+        AreaTableEntry const* areaEntry = sAreaTableStore.LookupEntry(area_id);
+        if (!areaEntry)
+            areaEntry = sAreaTableStore.LookupEntry(zone_id);
+
+        if (!areaEntry || !areaEntry->IsFlyable() || !player->CanFlyInZone(map_id, zone_id))
             return SPELL_FAILED_INCORRECT_AREA;
     }
 

src/server/game/Spells/SpellInfo.h

@@ -429,7 +429,9 @@ class TC_GAME_API SpellInfo
         bool IsPositive() const;
         bool IsPositiveEffect(uint8 effIndex) const;
         bool IsChanneled() const;
+        bool IsMoveAllowedChannel() const;
         bool NeedsComboPoints() const;
+        bool IsNextMeleeSwingSpell() const;
         bool IsBreakingStealth() const;
         bool IsRangedWeaponSpell() const;
         bool IsAutoRepeatRangedSpell() const;