Making sure the inventory window shows the correct number of used slots

The SlotsBar is updated, if  InventoryWindow::slotsChanged() is called.
This did not happen when an item disappeared from the inventory, because
of using it. Then the item quantity was just set to 0, but the SlotBar
was not notified.

Reviewed-by: Jaxad0127

1 files changed, 10 insertions, 2 deletions

diff --git a/src/net/tmwa/inventoryhandler.cpp b/src/net/tmwa/inventoryhandler.cpp
index f5b379b9..3809399d 100644
--- a/src/net/tmwa/inventoryhandler.cpp
+++ b/src/net/tmwa/inventoryhandler.cpp
@@ -270,7 +270,11 @@ void InventoryHandler::handleMessage(Net::MessageIn &msg)
 
             if (Item *item = inventory->getItem(index))
             {
-                item->setQuantity(amount);
+                if (amount)
+                    item->setQuantity(amount);
+                else
+                    inventory->removeItemAt(index);
+
                 inventoryWindow->updateButtons();
             }
 
@@ -288,7 +292,11 @@ void InventoryHandler::handleMessage(Net::MessageIn &msg)
             {
                 if (Item *item = inventory->getItem(index))
                 {
-                    item->setQuantity(amount);
+                    if (amount)
+                        item->setQuantity(amount);
+                    else
+                        inventory->removeItemAt(index);
+
                     inventoryWindow->updateButtons();
                 }
             }