#31 & #314: Splitting and stacking items in inventory now works

src/servers/sapphire_zone/Inventory/Inventory.cpp

@@ -128,7 +128,7 @@ Core::ItemPtr Core::Inventory::getItemAt( uint16_t containerId, uint8_t slotId )
    return m_inventoryMap[containerId]->getItem( slotId );
 }
 
-Core::ItemPtr Core::Inventory::createItem( uint32_t catalogId, uint8_t quantity )
+Core::ItemPtr Core::Inventory::createItem( uint32_t catalogId, uint16_t quantity )
 {
    auto pExdData = g_fw.get< Data::ExdDataGenerated >();
    auto pDb = g_fw.get< Db::DbWorkerPool< Db::CharaDbConnection > >();
@@ -144,7 +144,7 @@ Core::ItemPtr Core::Inventory::createItem( uint32_t catalogId, uint8_t quantity
 
    uint8_t flags = 0;
 
-   std::string itemName( itemInfo->name );
+//   std::string itemName( itemInfo->name );
 
    ItemPtr pItem( new Item( catalogId ) );
 
@@ -473,7 +473,7 @@ bool Core::Inventory::isObtainable( uint32_t catalogId, uint8_t quantity )
 }
 
 
-int16_t Core::Inventory::addItem( uint16_t inventoryId, int8_t slotId, uint32_t catalogId, uint8_t quantity )
+int16_t Core::Inventory::addItem( uint16_t inventoryId, int8_t slotId, uint32_t catalogId, uint16_t quantity, bool isHq )
 {
    auto pDb = g_fw.get< Db::DbWorkerPool< Db::CharaDbConnection > >();
    auto pExdData = g_fw.get< Data::ExdDataGenerated >();
@@ -505,6 +505,8 @@ int16_t Core::Inventory::addItem( uint16_t inventoryId, int8_t slotId, uint32_t
 
    auto item = createItem( catalogId, quantity );
 
+   item->setHq( isHq );
+
    if( rSlotId != -1 )
    {
 
@@ -598,6 +600,70 @@ bool Core::Inventory::updateContainer( uint16_t containerId, uint8_t slotId, Ite
    return true;
 }
 
+void Core::Inventory::splitItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot, uint16_t itemCount )
+{
+   auto fromItem = m_inventoryMap[fromInventoryId]->getItem( fromSlotId );
+   if( !fromItem )
+      return;
+
+   // check we have enough items in the origin slot
+   // nb: don't let the client 'split' a whole stack into another slot
+   if( fromItem->getStackSize() < itemCount )
+      // todo: correct the invalid item split? does retail do this or does it just ignore it?
+      return;
+
+   // make sure toInventoryId & toSlot are actually free so we don't orphan an item
+   if( m_inventoryMap[toInventoryId]->getItem( toSlot ) )
+      // todo: correct invalid move? again, not sure what retail does here
+      return;
+
+   auto newSlot = addItem( toInventoryId, toSlot, fromItem->getId(), itemCount, fromItem->isHq() );
+   if( newSlot == -1 )
+      return;
+
+   auto newItem = m_inventoryMap[toInventoryId]->getItem( static_cast< uint8_t >( newSlot ) );
+
+   fromItem->setStackSize( fromItem->getStackSize() - itemCount );
+
+   updateContainer( fromInventoryId, fromSlotId, fromItem );
+   updateContainer( toInventoryId, toSlot, newItem );
+
+   updateItemDb( fromItem );
+}
+
+void Core::Inventory::mergeItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot )
+{
+   auto fromItem = m_inventoryMap[fromInventoryId]->getItem( fromSlotId );
+   auto toItem = m_inventoryMap[toInventoryId]->getItem( toSlot );
+
+   if( !fromItem || !toItem )
+      return;
+
+   if( fromItem->getId() != toItem->getId() )
+      return;
+
+   uint32_t stackSize = fromItem->getStackSize() + toItem->getStackSize();
+   uint32_t stackOverflow = stackSize - std::min< uint32_t >( m_maxSlotSize, stackSize );
+
+   // we can destroy the original stack if there's no overflow
+   if( stackOverflow == 0 )
+   {
+      m_inventoryMap[fromInventoryId]->removeItem( fromSlotId );
+      fromItem = nullptr;
+   }
+   else
+      fromItem->setStackSize( stackOverflow );
+
+   toItem->setStackSize( stackSize );
+
+   updateContainer( fromInventoryId, fromSlotId, fromItem );
+   updateContainer( toInventoryId, toSlot, toItem );
+
+   updateItemDb( toItem );
+   if( fromItem )
+      updateItemDb( fromItem );
+}
+
 void Core::Inventory::swapItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot )
 {
    auto fromItem = m_inventoryMap[fromInventoryId]->getItem( fromSlotId );

src/servers/sapphire_zone/Inventory/Inventory.h

@@ -140,12 +140,14 @@ public:
 
    InvSlotPairVec getSlotsOfItemsInInventory( uint32_t catalogId );
    InvSlotPair getFreeBagSlot();
-   int16_t addItem( uint16_t inventoryId, int8_t slotId, uint32_t catalogId, uint8_t quantity = 1 );
+   int16_t addItem( uint16_t inventoryId, int8_t slotId, uint32_t catalogId, uint16_t quantity = 1, bool isHq = false );
    void moveItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot );
    void swapItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot );
    void discardItem( uint16_t fromInventoryId, uint8_t fromSlotId );
+   void splitItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot, uint16_t splitCount );
+   void mergeItem( uint16_t fromInventoryId, uint8_t fromSlotId, uint16_t toInventoryId, uint8_t toSlot );
 
-   ItemPtr createItem( uint32_t catalogId, uint8_t quantity = 1 );
+   ItemPtr createItem( uint32_t catalogId, uint16_t quantity = 1 );
 
    ItemPtr loadItem( uint64_t uId );
 
@@ -197,6 +199,7 @@ public:
 private:
    Entity::Player* m_pOwner;
    InventoryMap m_inventoryMap;
+   const uint32_t m_maxSlotSize = 999;
 };
 
 }

src/servers/sapphire_zone/Network/Handlers/InventoryHandler.cpp

@@ -47,6 +47,7 @@ void Core::Network::GameConnection::inventoryModifyHandler( const Packets::GameP
    uint8_t toSlot = inPacket.getValAt< uint8_t >( 0x44 );
    uint16_t fromContainer = inPacket.getValAt< uint16_t >( 0x2C );
    uint16_t toContainer = inPacket.getValAt< uint16_t >( 0x40 );
+   uint16_t splitCount = inPacket.getValAt< uint16_t >( 0x48 );
 
    ZoneChannelPacket< FFXIVIpcInventoryActionAck > ackPacket( player.getId() );
    ackPacket.data().sequence = seq;
@@ -83,13 +84,13 @@ void Core::Network::GameConnection::inventoryModifyHandler( const Packets::GameP
 
       case InventoryOperation::Merge: // merge stack action
       {
-
+         player.getInventory()->mergeItem( fromContainer, fromSlot, toContainer, toSlot );
       }
       break;
 
       case InventoryOperation::Split: // split stack action
       {
-
+         player.getInventory()->splitItem( fromContainer, fromSlot, toContainer, toSlot, splitCount );
       }
       break;