Summary - Inventory system

Combine the inventory system with a single summary task.

Inventory system summary

The inventory system has three layers: data, logic and interface. Item information is stored with ItemData, the Inventory class manages the slots, and the interface is drawn with prefab slot widgets. The same items are merged as a stack.

int toplamYigin = birAdet + ikiAdet;

Thanks to modular design each layer can be developed independently.

Exercise Inventory system summary task

In a class named EnvanterOzet, define a string katman field with the value "Veri", an int slotSayisi field with the value 20, and an int islem field. In the Awake method, set the katman value to "Arayuz". In the Start method, print the pieces "Katman: ", katman, " Slot: " and slotSayisi joined together with Debug.Log. In the Update method, increase the islem counter by one every frame.

Show example solution

using UnityEngine;

public class EnvanterOzet : MonoBehaviour
{
    string katman = "Veri";
    int slotSayisi = 20;
    int islem;

    void Awake()
    {
        katman = "Arayuz";
    }

    void Start()
    {
        Debug.Log("Katman: " + katman + " Slot: " + slotSayisi);
    }

    void Update()
    {
        islem++;
    }
}

Test yourself

What does a 'stack' do in an inventory system?
```
int toplamYigin = birAdet + ikiAdet;
```
- It increases the slot count
- It places items in the scene
- It changes the color of the interface
- It gathers the same items in one slot
Show answer

It gathers the same items in one slot — A stack collects items of the same type under one slot, letting them be carried without spending slots.

Compute the maximum item count

    int slotSayisi = 20;
    int yiginLimiti = 10;
    int maksimumOge = slotSayisi * ____;

Show answer

    int slotSayisi = 20;
    int yiginLimiti = 10;
    int maksimumOge = slotSayisi * yiginLimiti;

Inventory summary table

ItemData

The data that holds item info
Inventory

The system that manages slots
Stack

Combining the same items
Slot widget

The slot display in the interface

Next lesson: Dialogue data model

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