[7089] Implement ITEM_ENCHANTMENT_TYPE_USE_SPELL support.

This allow cast spells at item used from engineering recipes 54999, 54736, 54998, 55002, 55016, 54793.

src/game/Item.h

@@ -152,7 +152,7 @@ enum EnchantmentSlot
     SOCK_ENCHANTMENT_SLOT_2         = 3,
     SOCK_ENCHANTMENT_SLOT_3         = 4,
     BONUS_ENCHANTMENT_SLOT          = 5,
-    WOTLK_ENCHANTMENT_SLOT          = 6,
+    PRISMATIC_ENCHANTMENT_SLOT      = 6,                    // added at apply special permanent enchantment
     MAX_INSPECTED_ENCHANTMENT_SLOT  = 7,
 
     PROP_ENCHANTMENT_SLOT_0         = 7,                    // used with RandomSuffix

src/game/Player.cpp

@@ -6947,6 +6947,92 @@ void Player::CastItemCombatSpell(Item *item,Unit* Target, WeaponAttackType attTy
     }
 }
 
+void Player::CastItemUseSpell(Item *item,SpellCastTargets const& targets,uint8 cast_count, uint32 glyphIndex)
+{
+    ItemPrototype const* proto = item->GetProto();
+    // special learning case
+    if(proto->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN || proto->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN_PET)
+    {
+        uint32 learn_spell_id = proto->Spells[0].SpellId;
+        uint32 learning_spell_id = proto->Spells[1].SpellId;
+
+        SpellEntry const *spellInfo = sSpellStore.LookupEntry(learn_spell_id);
+        if(!spellInfo)
+        {
+            sLog.outError("Player::CastItemUseSpell: Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, learn_spell_id);
+            SendEquipError(EQUIP_ERR_NONE,item,NULL);
+            return;
+        }
+
+        Spell *spell = new Spell(this, spellInfo, false);
+        spell->m_CastItem = item;
+        spell->m_cast_count = cast_count;                   //set count of casts
+        spell->m_currentBasePoints[0] = learning_spell_id;
+        spell->prepare(&targets);
+        return;
+    }
+
+    // use triggered flag only for items with many spell casts and for not first cast
+    int count = 0;
+
+    // item spells casted at use
+    for(int i = 0; i < 5; ++i)
+    {
+        _Spell const& spellData = proto->Spells[i];
+
+        // no spell
+        if(!spellData.SpellId)
+            continue;
+
+        // wrong triggering type
+        if( spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
+            continue;
+
+        SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
+        if(!spellInfo)
+        {
+            sLog.outError("Player::CastItemUseSpell: Item (Entry: %u) in have wrong spell id %u, ignoring",proto->ItemId, spellData.SpellId);
+            continue;
+        }
+
+        Spell *spell = new Spell(this, spellInfo, (count > 0));
+        spell->m_CastItem = item;
+        spell->m_cast_count = cast_count;                   // set count of casts
+        spell->m_glyphIndex = glyphIndex;                   // glyph index
+        spell->prepare(&targets);
+
+        ++count;
+    }
+
+    // Item enchantments spells casted at use
+    for(int e_slot = 0; e_slot < MAX_ENCHANTMENT_SLOT; ++e_slot)
+    {
+        uint32 enchant_id = item->GetEnchantmentId(EnchantmentSlot(e_slot));
+        SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
+        if(!pEnchant) continue;
+        for (int s=0;s<3;s++)
+        {
+            if(pEnchant->type[s]!=ITEM_ENCHANTMENT_TYPE_USE_SPELL)
+                continue;
+
+            SpellEntry const *spellInfo = sSpellStore.LookupEntry(pEnchant->spellid[s]);
+            if (!spellInfo)
+            {
+                sLog.outError("Player::CastItemUseSpell Enchant %i, cast unknown spell %i", pEnchant->ID, pEnchant->spellid[s]);
+                continue;
+            }
+
+            Spell *spell = new Spell(this, spellInfo, (count > 0));
+            spell->m_CastItem = item;
+            spell->m_cast_count = cast_count;               // set count of casts
+            spell->m_glyphIndex = glyphIndex;               // glyph index
+            spell->prepare(&targets);
+
+            ++count;
+        }
+    }
+}
+
 void Player::_RemoveAllItemMods()
 {
     sLog.outDebug("_RemoveAllItemMods start.");
@@ -11876,6 +11962,9 @@ void Player::ApplyEnchantment(Item *item,EnchantmentSlot slot,bool apply, bool a
                 }
                 break;
             }
+            case ITEM_ENCHANTMENT_TYPE_USE_SPELL:
+                // processed in Player::CastItemUseSpell
+                break;
             default:
                 sLog.outError("Unknown item enchantment display type: %d",enchant_display_type);
                 break;

src/game/Player.h

@@ -46,6 +46,7 @@ class Pet;
 class PlayerMenu;
 class Transport;
 class UpdateMask;
+class SpellCastTargets;
 class PlayerSocial;
 class AchievementMgr;
 class Vehicle;
@@ -1871,6 +1872,7 @@ class MANGOS_DLL_SPEC Player : public Unit
         void ApplyEquipSpell(SpellEntry const* spellInfo, Item* item, bool apply, bool form_change = false);
         void UpdateEquipSpellsAtFormChange();
         void CastItemCombatSpell(Item *item,Unit* Target, WeaponAttackType attType);
+        void CastItemUseSpell(Item *item,SpellCastTargets const& targets,uint8 cast_count, uint32 glyphIndex);
 
         void SendInitWorldStates();
         void SendUpdateWorldState(uint32 Field, uint32 Value);

src/game/Spell.cpp

@@ -2036,7 +2036,7 @@ void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
     }
 }
 
-void Spell::prepare(SpellCastTargets * targets, Aura* triggeredByAura)
+void Spell::prepare(SpellCastTargets const* targets, Aura* triggeredByAura)
 {
     m_targets = *targets;
 

src/game/Spell.h

@@ -321,7 +321,7 @@ class Spell
         Spell( Unit* Caster, SpellEntry const *info, bool triggered, uint64 originalCasterGUID = 0, Spell** triggeringContainer = NULL );
         ~Spell();
 
-        void prepare(SpellCastTargets * targets, Aura* triggeredByAura = NULL);
+        void prepare(SpellCastTargets const* targets, Aura* triggeredByAura = NULL);
         void cancel();
         void update(uint32 difftime);
         void cast(bool skipCheck = false);

src/game/SpellHandler.cpp

@@ -125,59 +125,7 @@ void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
     if(!Script->ItemUse(pUser,pItem,targets))
     {
         // no script or script not process request by self
-
-        // special learning case
-        if((pItem->GetProto()->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN) || (pItem->GetProto()->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN_PET))
-        {
-            uint32 learn_spell_id = pItem->GetProto()->Spells[0].SpellId;
-            uint32 learning_spell_id = pItem->GetProto()->Spells[1].SpellId;
-
-            SpellEntry const *spellInfo = sSpellStore.LookupEntry(learn_spell_id);
-            if(!spellInfo)
-            {
-                sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, learn_spell_id);
-                pUser->SendEquipError(EQUIP_ERR_NONE,pItem,NULL);
-                return;
-            }
-
-            Spell *spell = new Spell(pUser, spellInfo, false);
-            spell->m_CastItem = pItem;
-            spell->m_cast_count = cast_count;               //set count of casts
-            spell->m_currentBasePoints[0] = learning_spell_id;
-            spell->prepare(&targets);
-            return;
-        }
-
-        // use triggered flag only for items with many spell casts and for not first cast
-        int count = 0;
-
-        for(int i = 0; i < 5; ++i)
-        {
-            _Spell const& spellData = pItem->GetProto()->Spells[i];
-
-            // no spell
-            if(!spellData.SpellId)
-                continue;
-
-            // wrong triggering type
-            if( spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
-                continue;
-
-            SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
-            if(!spellInfo)
-            {
-                sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
-                continue;
-            }
-
-            Spell *spell = new Spell(pUser, spellInfo, (count > 0));
-            spell->m_CastItem = pItem;
-            spell->m_cast_count = cast_count;               // set count of casts
-            spell->m_glyphIndex = glyphIndex;               // glyph index
-            spell->prepare(&targets);
-
-            ++count;
-        }
+        pUser->CastItemUseSpell(pItem,targets,cast_count,glyphIndex);
     }
 }
 

src/shared/Database/DBCEnums.h

@@ -251,13 +251,15 @@ enum AbilytyLearnType
 
 enum ItemEnchantmentType
 {
-    ITEM_ENCHANTMENT_TYPE_NONE         = 0,
-    ITEM_ENCHANTMENT_TYPE_COMBAT_SPELL = 1,
-    ITEM_ENCHANTMENT_TYPE_DAMAGE       = 2,
-    ITEM_ENCHANTMENT_TYPE_EQUIP_SPELL  = 3,
-    ITEM_ENCHANTMENT_TYPE_RESISTANCE   = 4,
-    ITEM_ENCHANTMENT_TYPE_STAT         = 5,
-    ITEM_ENCHANTMENT_TYPE_TOTEM        = 6
+    ITEM_ENCHANTMENT_TYPE_NONE             = 0,
+    ITEM_ENCHANTMENT_TYPE_COMBAT_SPELL     = 1,
+    ITEM_ENCHANTMENT_TYPE_DAMAGE           = 2,
+    ITEM_ENCHANTMENT_TYPE_EQUIP_SPELL      = 3,
+    ITEM_ENCHANTMENT_TYPE_RESISTANCE       = 4,
+    ITEM_ENCHANTMENT_TYPE_STAT             = 5,
+    ITEM_ENCHANTMENT_TYPE_TOTEM            = 6,
+    ITEM_ENCHANTMENT_TYPE_USE_SPELL        = 7,
+    ITEM_ENCHANTMENT_TYPE_PRISMATIC_SOCKET = 8
 };
 
 enum TotemCategoryType

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "7088"
+ #define REVISION_NR "7089"
 #endif // __REVISION_NR_H__