The Inventory class

Learn the Inventory class and slot logic.

The Inventory class

The Inventory class is the main component that holds the items the player carries. It contains a fixed number of slots; each slot holds one item type. The slot count decides the capacity.

[SerializeField] private int slotSayisi = 20;

When the inventory is full, no new item can be added.

Slots and capacity

Each slot shows one item type and how many of that type are present. The capacity is the slot count itself; an inventory with 20 slots can carry at most 20 different item types. The same items stack in one slot.

int kapasite = 20;
int doluSlot = 5;

Slot management is the basic operation of the inventory.

Exercise Count the slots

In a class named SlotSayimi, define an int kapasite field with the value 20 and an int doluSlot field with the value 5. In the Start method, subtract doluSlot from kapasite and assign the result to an integer named bosSlot. Print the text "Bos slot: " joined with bosSlot using Debug.Log.

Show example solution

using UnityEngine;

public class SlotSayimi : MonoBehaviour
{
    int kapasite = 20;
    int doluSlot = 5;

    void Start()
    {
        int bosSlot = kapasite - doluSlot;
        Debug.Log("Bos slot: " + bosSlot);
    }
}

Test yourself

What is a slot?
- The total capacity of an inventory
- A place reserved for a single item type
- A button in the interface
- A list header where items are sorted
Show answer

A place reserved for a single item type — A slot is the smallest unit of the inventory and is reserved for one item type.

Compute the empty slot count

    int kapasite = 20;
    int doluSlot = 5;
    int bosSlot = kapasite - ____;

Show answer

    int kapasite = 20;
    int doluSlot = 5;
    int bosSlot = kapasite - doluSlot;

Inventory terms

Inventory

The system that holds items
Slot

A place reserved for a single item type
Kapasite

The total slot count of the inventory
Stack

The pile of the same items in one slot

Next lesson: Matching and stacking

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