[142] Implement worgen transformations

Signed-off-by: Yaki Khadafi <ElSolDolLo@gmail.com>

src/game/Spell.cpp

@@ -3390,7 +3390,17 @@ void Spell::cast(bool skipCheck)
             else if (m_spellInfo->Id == 20594)
                 AddTriggeredSpell(65116);                   // Stoneskin - armor 10% for 8 sec
             else if (m_spellInfo->Id == 68992)              // Darkflight
+            {
                 AddPrecastSpell(96223);                     // Run Speed Marker
+                AddPrecastSpell(97709);                     // Altered Form
+            }
+            else if (m_spellInfo->Id == 68996)              // Two Forms
+            {
+                if (m_caster->IsInWorgenForm())
+                    m_caster->RemoveSpellsCausingAura(SPELL_AURA_WORGEN_TRANSFORM);
+                else
+                    AddPrecastSpell(97709);                 // Altered Form
+            }
             // Chaos Bane strength buff
             else if (m_spellInfo->Id == 71904)
                 AddTriggeredSpell(73422);
@@ -5665,6 +5675,11 @@ SpellCastResult Spell::CheckCast(bool strict)
                     if (m_caster->IsInWater())
                         return SPELL_FAILED_ONLY_ABOVEWATER;
                 }
+                else if (m_spellInfo->Id == 68996)          // Two forms
+                {
+                    if (m_caster->isInCombat())
+                        return SPELL_FAILED_AFFECTING_COMBAT;
+                }
                 else if (m_spellInfo->SpellIconID == 156)   // Holy Shock
                 {
                     // spell different for friends and enemies

src/game/SpellAuraDefines.h

@@ -393,7 +393,7 @@ enum AuraType
     SPELL_AURA_355 = 355,
     SPELL_AURA_MOD_DAMAGE_DONE_FROM_PCT_POWER = 356,
     SPELL_AURA_357 = 357,
-    SPELL_AURA_358 = 358,
+    SPELL_AURA_WORGEN_TRANSFORM = 358,
     SPELL_AURA_359 = 359,
     SPELL_AURA_PROC_DUPLICATE_SPELLS = 360,
     SPELL_AURA_361 = 361,

src/game/SpellAuras.cpp

@@ -411,7 +411,7 @@ pAuraHandler AuraHandler[TOTAL_AURAS] =
     &Aura::HandleUnused,                                    //355 0 spells in 4.3.4
     &Aura::HandleNULL,                                      //356 SPELL_AURA_MOD_DAMAGE_DONE_FROM_PCT_POWER 2 spells in 4.3.4
     &Aura::HandleNULL,                                      //357 1 spells in 4.3.4 Enable Tower Assault Unit Frame
-    &Aura::HandleNULL,                                      //358 5 spells in 4.3.4 forces client-side transformation to worgen form
+    &Aura::HandleNoImmediateEffect,                         //358 SPELL_AURA_WORGEN_TRANSFORM 5 spells in 4.3.4 forces client-side transformation to worgen form
     &Aura::HandleNULL,                                      //359 1 spells in 4.3.4 healing done vs aurastate?
     &Aura::HandleNULL,                                      //360 SPELL_AURA_PROC_DUPLICATE_SPELLS 2 spells in 4.3.4
     &Aura::HandleNULL,                                      //361 4 spells in 4.3.4 some damage spells

src/game/Unit.cpp

@@ -8171,6 +8171,9 @@ void Unit::SetInCombatState(bool PvP, Unit* enemy)
             if (IsNonCombatSpell(spell->m_spellInfo))
                 InterruptSpell(CurrentSpellTypes(i), false);
 
+    if (getRace() == RACE_WORGEN && !IsInWorgenForm(true))
+        CastSpell(this, 97709, true);   // cast Altered Form
+
     if (creatureNotInCombat)
     {
         // should probably be removed for the attacked (+ it's party/group) only, not global
@@ -11626,6 +11629,16 @@ bool Unit::IsSplineEnabled() const
     return movespline->Initialized();
 }
 
+bool Unit::IsInWorgenForm(bool inPermanent) const
+{
+    AuraList const& vTransformAuras = GetAurasByType(SPELL_AURA_WORGEN_TRANSFORM);
+    for (AuraList::const_iterator itr = vTransformAuras.begin(); itr != vTransformAuras.end(); ++itr)
+        if (!inPermanent || (*itr)->GetHolder()->IsPermanent())
+            return true;
+
+    return false;
+}
+
 void Unit::BuildForceMoveRootPacket(WorldPacket* data, bool apply, uint32 value)
 {
     if (apply)
@@ -11677,7 +11690,6 @@ void Unit::BuildSendPlayVisualPacket(WorldPacket* data, uint32 value, bool impac
     data->WriteGuidBytes<0, 4, 1, 6, 7, 2, 3, 5>(GetObjectGuid());
 }
 
-
 void Unit::BuildMoveWaterWalkPacket(WorldPacket* data, bool apply, uint32 value)
 {
     if (apply)

src/game/Unit.h

@@ -1961,6 +1961,8 @@ class MANGOS_DLL_SPEC Unit : public WorldObject
 
         bool IsSplineEnabled() const;
 
+        bool IsInWorgenForm(bool inPermanent = false) const;
+
         // Packet builders
         void BuildForceMoveRootPacket(WorldPacket* data, bool apply, uint32 value);
         void BuildMoveWaterWalkPacket(WorldPacket* data, bool apply, uint32 value);

src/game/UnitAuraProcHandler.cpp

@@ -390,7 +390,7 @@ pAuraProcHandler AuraProcHandler[TOTAL_AURAS] =
     &Unit::HandleNULLProc,                                  //355 0 spells in 4.3.4
     &Unit::HandleNULLProc,                                  //356 SPELL_AURA_MOD_DAMAGE_DONE_FROM_PCT_POWER 2 spells in 4.3.4
     &Unit::HandleNULLProc,                                  //357 1 spells in 4.3.4 Enable Tower Assault Unit Frame
-    &Unit::HandleNULLProc,                                  //358 5 spells in 4.3.4 worgen form/mount related
+    &Unit::HandleNULLProc,                                  //358 SPELL_AURA_WORGEN_TRANSFORM 5 spells in 4.3.4 forces client-side transformation to worgen form
     &Unit::HandleNULLProc,                                  //359 1 spells in 4.3.4 healing done vs aurastate?
     &Unit::HandleNULLProc,                                  //360 SPELL_AURA_PROC_DUPLICATE_SPELLS 2 spells in 4.3.4
     &Unit::HandleNULLProc,                                  //361 4 spells in 4.3.4 some damage spells

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "0141"
+ #define REVISION_NR "0142"
 #endif // __REVISION_NR_H__