[7870] Implement creature ranged ammo show at ranged weapon use. Author: VladimirMangos

* Use BDC data (creature weapon not alwas listed in item_template)

--HG--
branch : trunk

src/game/DBCStructure.h

@@ -964,7 +964,7 @@ struct ItemEntry
 {
    uint32   ID;                                             // 0
    uint32   Class;                                          // 1
-   //uint32   SubClass;                                     // 2 some items have strnage subclasses
+   uint32   SubClass;                                       // 2 some items have strnage subclasses
    int32    Unk0;                                           // 3
    int32    Material;                                       // 4
    uint32   DisplayId;                                      // 5

src/game/DBCfmt.h

@@ -63,7 +63,7 @@ const char GtOCTRegenHPfmt[]="f";
 const char GtRegenHPPerSptfmt[]="f";
 const char GtRegenMPPerSptfmt[]="f";
 const char Holidaysfmt[]="nxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
-const char Itemfmt[]="nixiiiii";
+const char Itemfmt[]="niiiiiii";
 const char ItemBagFamilyfmt[]="nxxxxxxxxxxxxxxxxx";
 //const char ItemDisplayTemplateEntryfmt[]="nxxxxxxxxxxixxxxxxxxxxx";
 //const char ItemCondExtCostsEntryfmt[]="xiii";

src/game/ObjectMgr.cpp

@@ -866,8 +866,8 @@ void ObjectMgr::LoadEquipmentTemplates()
     sLog.outString( ">> Loaded %u equipment template", sEquipmentStorage.RecordCount );
     sLog.outString();
 
-    // This DBC is currently only used for item templates and creature equipments checks.
+    // Creature items can be not listed in item_template
-    sItemStore.Clear();
+    //sItemStore.Clear(); -- so used in spell casting
 }
 
 CreatureModelInfo const* ObjectMgr::GetCreatureModelInfo(uint32 modelid)

src/game/Spell.cpp

@@ -3241,7 +3241,40 @@ void Spell::WriteAmmoToPacket( WorldPacket * data )
             }
         }
     }
-    // TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
+    else
+    {
+        for (uint8 i = 0; i < 3; ++i)
+        {
+            if(uint32 item_id = m_caster->GetUInt32Value(UNIT_VIRTUAL_ITEM_SLOT_ID + i))
+            {
+                if(ItemEntry const * itemEntry = sItemStore.LookupEntry(item_id))
+                {
+                    if(itemEntry->Class==ITEM_CLASS_WEAPON)
+                    {
+                        switch(itemEntry->SubClass)
+                        {
+                            case ITEM_SUBCLASS_WEAPON_THROWN:
+                                ammoDisplayID = itemEntry->DisplayId;
+                                ammoInventoryType = itemEntry->InventoryType;
+                                break;
+                            case ITEM_SUBCLASS_WEAPON_BOW:
+                            case ITEM_SUBCLASS_WEAPON_CROSSBOW:
+                                ammoDisplayID = 5996;       // is this need fixing?
+                                ammoInventoryType = INVTYPE_AMMO;
+                                break;
+                            case ITEM_SUBCLASS_WEAPON_GUN:
+                                ammoDisplayID = 5998;       // is this need fixing?
+                                ammoInventoryType = INVTYPE_AMMO;
+                                break;
+                        }
+
+                        if(ammoDisplayID)
+                            break;
+                    }
+                }
+            }
+        }
+    }
 
     *data << uint32(ammoDisplayID);
     *data << uint32(ammoInventoryType);