Features:

Drop-in, component-based design
Inventory: stacking, gold, item selection, use/drop, and a HUD widget toggled with one function call
Walk-up merchant shop: buy/sell with quantity selection + confirmation prompts
Data-driven items & pickups: define items in a DataTable; place a pickup and set its ItemID
Extensible potion effects: duplicate an effect, override one function, and point an item row at it, with no inventory or UI edits
Full UMG UI: inventory, shop, item-slot, and health-bar widgets
Rich customization: master materials with colored instances plus themed signs, backgrounds, and icons

Number of Blueprints: 13 (9 gameplay + 4 UMG widgets; 22 incl. demo/Mannequin helpers)

Input: Keyboard & Mouse, built on Enhanced Input.

Network Replicated: No

Supported Development Platforms:

Documentation Link: https://drive.google.com/file/d/1jVbYwwAuIxiwT06GwPWbB6XoIcD_e3M_/view?usp=sharing

Important/Additional Notes:

Includes a playable demo map: components are hosted on a demo character (standard UE Mannequin), none of which is required. To use in your game, migrate just the InteractivePotionShop folder and skip Demo/.
Health component is a worked example/reference for building your own effects.
Supports Nanite for Unreal Engine 5.0+

Carbonic Acid Studios

Typy produktów