SoftwareArch-Shop/Assets/Scripts/Shop/Model/ItemArmor.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ItemArmor : Item
{
    public int Defense { get; private set; }

    public int Block { get; private set; }
    
    private readonly int startPrice;    // Represents the price this is worth without upgrades - for price calculation

    public ItemArmor(string name, string iconName, int pbasePrice,int pDefense, int pBlock, string descr = "", ItemRarity rarity = ItemRarity.Common) : base(name, iconName, pbasePrice, descr,rarity)
    {
        Block = pBlock;
        Defense = pDefense;
        
        startPrice = basePrice;
    }

    // This is used so we can identify a type purely through polymorphism. No hardcoding of types involved, nothing to see here!
    public override ItemType GetItemType()
    {
        return ItemType.Armor;
    }

    public override string GetStats()
    {
        return "Defense: " + Defense + "\tBlock: " + Block; 
    }

    public override void Upgrade(float upgradeFactor)
    {
        Block = (int) (Block * upgradeFactor);     // Don't wanna randomise upgrades for now, to be honest
        Defense = (int) (Defense * upgradeFactor);
        // We increase value, but only by half as much as the upgrade improved stats. No one wants to buy a bad item upgraded to be passable. Cost to do so is higher by as much as the upgrade shop charges extra
        basePrice += (int)(GetUpgradeCosts(upgradeFactor) * 0.5);    // The goal is to make upgrading an endless money sink, and incentivise buying better base items
    }

    public override int GetUpgradeCosts(float upgradeFactor)
    {
        return (int) (((basePrice * upgradeFactor) - startPrice));  
    }
}