Inventory Component

Creating Inventory Components & Functions

• Actor Component Setup

• Create new blueprint class as actor component
• Actor vs Scene Component:
  • Both similar, but scene components have transform
  • Scene components can be placed in level relative to owner

• Inventory System Design

• Variables:

  • Content variable uses “map” type

    DA_Item as key (must be unique) Integer as value (quantity)

• Core Functions Created:

  • Add to Inventory

    Takes item (DA_Item) and quantity Uses Add Map to combine with existing quantity Returns success boolean

  • Remove from Inventory

    Takes item and quantity to remove Checks if enough quantity exists Subtracts quantity if possible

  • Query Inventory

    Takes item and quantity Returns:

    • Boolean (if exists)
    • “In stock” value (quantity owned)

The inventory system uses a map structure to track items and their quantities, with three main functions to manage the contents: adding, removing and querying items. The system is built as an actor component that can be added to any actor in the game.