[9934] Skinning related fixes

* Show skinning tooltip only after creature loot
  (when creature can be explcitly skinned).
* Allow reopen skinning loot if still have not looted items.

src/game/Creature.cpp

@@ -370,6 +370,7 @@ void Creature::Update(uint32 diff)
                 m_respawnTime = 0;
                 lootForPickPocketed = false;
                 lootForBody         = false;
+                lootForSkin         = false;
 
                 if(m_originalEntry != GetEntry())
                     UpdateEntry(m_originalEntry);
@@ -810,6 +811,38 @@ void Creature::AI_SendMoveToPacket(float x, float y, float z, uint32 time, Splin
     SendMonsterMove(x, y, z, type, flags, time);
 }
 
+void Creature::PrepareBodyLootState()
+{
+    loot.clear();
+
+    // if have normal loot then prepare it access
+    if (!isAlive() && GetCreatureInfo()->lootid && !lootForBody)
+    {
+        SetUInt32Value(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
+        return;
+    }
+
+    // if not have normal loot allow skinning if need
+    if (!isAlive() && !lootForSkin)
+    {
+        lootForBody = true;                                 // pass this loot mode
+
+        if (GetCreatureInfo()->SkinLootId)
+        {
+            if (LootTemplates_Skinning.HaveLootFor(GetCreatureInfo()->SkinLootId))
+            {
+                RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
+                SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SKINNABLE);
+                return;
+            }
+        }
+    }
+
+    RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
+    RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SKINNABLE);
+}
+
+
 /**
  * Return original player who tap creature, it can be different from player/group allowed to loot so not use it for loot code
  */
@@ -1330,10 +1363,6 @@ void Creature::setDeathState(DeathState s)
         SetTargetGUID(0);                                   // remove target selection in any cases (can be set at aura remove in Unit::setDeathState)
         SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);
 
-        if (!isPet() && GetCreatureInfo()->SkinLootId)
-            if (LootTemplates_Skinning.HaveLootFor(GetCreatureInfo()->SkinLootId))
-                SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SKINNABLE);
-
         if (canFly() && FallGround())
             return;
 

src/game/Creature.h

@@ -531,7 +531,9 @@ class MANGOS_DLL_SPEC Creature : public Unit
         Loot loot;
         bool lootForPickPocketed;
         bool lootForBody;
+        bool lootForSkin;
 
+        void PrepareBodyLootState();
         ObjectGuid GetLootRecipientGuid() const { return m_lootRecipientGuid; }
         uint32 GetLootGroupRecipientId() const { return m_lootGroupRecipientId; }
         Player* GetLootRecipient() const;                   // use group cases as prefered

src/game/LootHandler.cpp

@@ -442,12 +442,11 @@ void WorldSession::DoLootRelease(ObjectGuid lguid)
 
             if (loot->isLooted())
             {
-                // skip pickpocketing loot for speed, skinning timer redunction is no-op in fact
+                // for example skinning after normal loot
+                pCreature->PrepareBodyLootState();
+
                 if(!pCreature->isAlive())
                     pCreature->AllLootRemovedFromCorpse();
-
-                pCreature->RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
-                loot->clear();
             }
             break;
         }

src/game/Player.cpp

@@ -7886,8 +7886,16 @@ void Player::SendLoot(ObjectGuid guid, LootType loot_type)
                 // possible only if creature->lootForBody && loot->empty() at spell cast check
                 if (loot_type == LOOT_SKINNING)
                 {
-                    loot->clear();
-                    loot->FillLoot(creature->GetCreatureInfo()->SkinLootId, LootTemplates_Skinning, this, false);
+                    if (!creature->lootForSkin)
+                    {
+                        creature->lootForSkin = true;
+                        loot->clear();
+                        loot->FillLoot(creature->GetCreatureInfo()->SkinLootId, LootTemplates_Skinning, this, false);
+
+                        // let reopen skinning loot if will closed.
+                        if (!loot->empty())
+                            creature->SetUInt32Value(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
+                    }
                 }
                 // set group rights only for loot_type != LOOT_SKINNING
                 else

src/game/Spell.cpp

@@ -4805,7 +4805,7 @@ SpellCastResult Spell::CheckCast(bool strict)
                     return SPELL_FAILED_TARGET_UNSKINNABLE;
 
                 Creature* creature = (Creature*)m_targets.getUnitTarget();
-                if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody || !creature->loot.empty() ) )
+                if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody || creature->lootForSkin || !creature->loot.empty() ) )
                 {
                     return SPELL_FAILED_TARGET_NOT_LOOTED;
                 }

src/game/Unit.cpp

@@ -566,9 +566,7 @@ uint32 Unit::DealDamage(Unit *pVictim, uint32 damage, CleanDamage const* cleanDa
         pVictim->SetHealth(0);
 
         // allow loot only if has loot_id in creature_template
-        CreatureInfo const* cInfo = ((Creature*)pVictim)->GetCreatureInfo();
-        if(cInfo && cInfo->lootid)
-            pVictim->SetUInt32Value(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
+        ((Creature*)pVictim)->PrepareBodyLootState();
 
         // some critters required for quests (need normal entry instead possible heroic in any cases)
         if(GetTypeId() == TYPEID_PLAYER)
@@ -809,10 +807,7 @@ uint32 Unit::DealDamage(Unit *pVictim, uint32 damage, CleanDamage const* cleanDa
             {
                 cVictim->DeleteThreatList();
                 // only lootable if it has loot or can drop gold
-                if(cVictim->GetCreatureInfo()->lootid || cVictim->GetCreatureInfo()->maxgold > 0)
-                    cVictim->SetUInt32Value(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_LOOTABLE);
-                else
-                    cVictim->lootForBody = true;            // needed for skinning
+                cVictim->PrepareBodyLootState();
             }
             // Call creature just died function
             if (cVictim->AI())

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "9933"
+ #define REVISION_NR "9934"
 #endif // __REVISION_NR_H__