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  1. Components / Managers
  2. Player Specific Components

Inventory Manager

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Last updated 1 month ago

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The Inventory Manager (AC_InventoryManager) provides all the necessary functionality to handle player Inventory & Storage, including adding, removing, and using items, managing currency, and updating the UI in runtime.

It is added to the PlayerController class by default (PC_SoulslikeFramework).

How It Works

  1. Initialization:

    • Initializes all item slots and prepares the inventory UI for use.

    • InitializeLoadedInventory method tries to load inventory data from the relevant save slot.

  2. Item Handling:

    • Adding Items: Items can be added through the relevant item asset or a Gameplay Tag.

      • Automatically increments quantity if the item already exists, or creates a new slot if it doesn’t.

    • Removing Items: Removes a specific quantity or deletes the item from the inventory entirely.

    • Using Items: Triggers the item’s OnUse function, spawning the appropriate actor (e.g., potion, consumable) and applying effects.

    • Triggering Actions: Triggers the item's provided ActionTag, queueing it through the Input Buffer.

  3. Inventory Queries:

    • Supports multiple ways to query inventory data:

      • HasItem: Checks if a specific item is present.

      • GetAmountOfItemWithTag: Retrieves the quantity of items matching a specific tag.

      • GetEmptySlot: Finds the next available empty inventory slot.

  4. UI Updates:

    • Event dispatchers such as OnInventoryUpdated and OnCurrencyUpdated ensure the inventory UI is always in sync with changes.

    • The GetInventoryWidget function links the UI directly to the inventory component.

  5. Saving/Loading:

    • The SaveAllInventory function serializes the inventory state, including items, quantities, and configurations.

    • Inventory data is restored on load using the InitializeLoadedInventory function.

Example Usages

The provided Parent Door Class (B_Door) has a great example on utilizing the Inventory Manager for checking if multiple key items (e.g, KeyA x1 & KeyB x4) exist in inventory before unlocking a door:

Rest of the functionality is mainly handled by Inventory Widget.