Question 1

How do I drag and drop inventory items into the world in Unreal Engine 5 using Ninja Inventory?

Accepted Answer

I add a Drop Fragment to the item’s data asset, then I give it a Pickup Actor Class and an EQS Placement Query so it knows what to spawn and where. After that, I create a Ninja Inventory Drop Zone widget in the UI. When I drag the item onto that drop zone, it removes from the container and spawns back into the world.

Question 2

What is the Drop Fragment in Ninja Bear Studios inventory and what does it need?

Accepted Answer

The Drop Fragment is the piece that enables world dropping for an inventory item. It requires a pickup actor class (so you can pick the item up again) and a placement query (so the system can find a valid spot to spawn it). In my example, the pickup actor is the same BP pickup sword I was already using.

Question 3

How do I set up an EQS query for dropping items near the player?

Accepted Answer

I create an Environment Query and use a Simple Grid generator around the querier. Then I add a Distance test (distance to the carrier/character) and a Trace test to make sure the point is valid. I set a min/max range like 5 to 100 and switch scoring to inverse linear so it prefers closer drop points.

Question 4

Why does my dropped item get picked up immediately after I drop it?

Accepted Answer

That usually happens when your auto-pickup collision is big and your drop distance minimum is too small. I mention bumping the minimum range up so the EQS doesn’t choose a point inside your pickup radius. That way, the item spawns a little away from you instead of right on top of your character.

Question 5

Where do I add the Ninja Inventory Drop Zone widget in my inventory UI?

Accepted Answer

I create a blueprint based on the Ninja Inventory Drop Zone widget and add it to my inventory screen. In my setup I place it outside the widget switcher and put it at the bottom, then size it big enough that it’s hard to miss. I kept it ugly on purpose—just a bright border—so you can clearly see where to drop.

Question 6

What should I set as the drag widget class for my inventory item widget?

Accepted Answer

I set the parent class of my weapon widget to the inventory item widget, then I set the drag widget class to the item widget itself. That way, when I click and drag, the thing you see moving is the same item UI. Tooltips still work too, since I leave the tooltip widget in place.

Question 7

Can I reuse the same EQS drop query for multiple weapons?

Accepted Answer

Yeah, that’s exactly what I’m doing by creating something like an EQ_Weapons query and saving it in my interactables folder. As long as your items share the same general drop behavior, you can point multiple item data assets at the same placement query. It keeps the setup consistent and saves time.

Drag and Drop Inventory Items using Ninja Bear Studios (NBS)

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