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Add Shop system with ShopManager, ShopUI, and ShopSlotUI; implement item purchasing and shop UI functionality

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This commit is contained in:
Gabriel Kaszewski
2025-07-12 02:07:43 +02:00
parent 8f3a913b7e
commit ad02e07a87
15 changed files with 753 additions and 3 deletions
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360
Assets/Scenes/main.unity
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18
Assets/Scripts/Data/CharacterAttributes.cs
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@@ -28,6 +28,7 @@ namespace Data
[OdinSerialize] public float armor = 0f;
[OdinSerialize] public int level = 1;
[OdinSerialize] public int experience = 0;
[OdinSerialize] public int baseExperienceToLevelUp = 100;
[OdinSerialize, PropertyTooltip("This is damage multiplier")]
public float damage = 1f;
@@ -54,6 +55,7 @@ namespace Data
public event Action<int> OnExperienceChanged;
public event Action<int> OnLevelChanged;
public event Action OnLevelUp;
public float Health
{
@@ -174,7 +176,15 @@ namespace Data
experience = value;
OnExperienceChanged?.Invoke(experience);
//TODO: Implement level up logic
if (experience >= ExperienceToNextLevel())
{
Level++;
experience -= ExperienceToNextLevel();
}
else if (experience < 0)
{
experience = 0;
}
}
}
@@ -186,6 +196,7 @@ namespace Data
if (level == value) return;
level = value;
OnLevelChanged?.Invoke(level);
OnLevelUp?.Invoke();
}
}
@@ -327,5 +338,10 @@ namespace Data
Level = 1;
Experience = 0;
}
private int ExperienceToNextLevel()
{
return (int)(baseExperienceToLevelUp * Math.Pow(Level, 2));
}
}
}

23
Assets/Scripts/Inventory/StatModifierItem.cs
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@@ -12,8 +12,31 @@ namespace Inventory
public string itemName;
[TextArea] public string description;
public Sprite icon;
public int price;
public List<IStatModifier> cures = new();
public List<IStatModifier> curses = new();
[Button("Build Description")]
private void BuildDescription()
{
var descriptionBuilder = new System.Text.StringBuilder();
foreach (var modifier in cures)
{
if (descriptionBuilder.Length > 0) descriptionBuilder.Append(", ");
var desc = $"Cure: {modifier.Description}";
descriptionBuilder.Append(desc);
}
foreach (var modifier in curses)
{
if (descriptionBuilder.Length > 0) descriptionBuilder.Append(", ");
var desc = $"Curse: {modifier.Description}";
descriptionBuilder.Append(desc);
}
description = descriptionBuilder.ToString();
}
}
}

1
Assets/Scripts/Inventory/WeaponItem.cs
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@@ -10,5 +10,6 @@ namespace Inventory
[OdinSerialize, TextArea] public string description;
[OdinSerialize] public GameObject prefab;
[OdinSerialize] public Sprite icon;
[OdinSerialize] public int price;
}
}

8
Assets/Scripts/Modifiers/PercentStatModifier.cs
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@@ -11,7 +11,7 @@ namespace Modifiers
public Stat stat;
public float percent;
public string Description => $"{stat} +{percent * 100}%";
public string Description => GetDescription();
public void Apply(CharacterAttributes attributes)
{
@@ -55,5 +55,11 @@ namespace Modifiers
_ => throw new System.ArgumentOutOfRangeException()
};
}
private string GetDescription()
{
var sign = percent >= 0 ? "+" : "";
return $"{stat} {sign}{percent * 100}%";
}
}
}

3
Assets/Scripts/Shop.meta Normal file
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@@ -0,0 +1,3 @@
fileFormatVersion: 2
guid: b873cfd693194508ae2ef2947a6c42fd
timeCreated: 1752272703

96
Assets/Scripts/Shop/ShopManager.cs Normal file
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@@ -0,0 +1,96 @@
using System;
using System.Collections.Generic;
using Inventory;
using Sirenix.Serialization;
using Systems;
using UnityEngine;
using Random = UnityEngine.Random;
namespace Shop
{
public class ShopManager : MonoBehaviour
{
private List<StatModifierItem> currentItemChoices = new();
private List<WeaponItem> currentWeaponChoices = new();
[SerializeField] private ShopUI shopUI;
[SerializeField] private InventoryManager inventoryManager;
[SerializeField] private int itemsPerShop = 4;
[OdinSerialize, SerializeField] private List<StatModifierItem> possibleItems = new();
[OdinSerialize, SerializeField] private List<WeaponItem> possibleWeapons = new();
private void OnEnable()
{
// GameManager.Instance.OnRoundEnd += OpenShop;
GameManager.Instance.OnStoreOpen += OpenShop;
}
private void OnDisable()
{
// GameManager.Instance.OnRoundEnd -= OpenShop;
GameManager.Instance.OnStoreOpen -= OpenShop;
}
public void CloseShop()
{
shopUI.Hide();
Time.timeScale = 1f;
}
public void BuyItem(StatModifierItem item, int price)
{
if (GameManager.Instance.Coins < price) return;
GameManager.Instance.SpendCoins(price);
inventoryManager.EquipItem(item);
shopUI.MarkAsPurchased(item);
}
public void BuyWeapon(WeaponItem weapon, int price)
{
if (GameManager.Instance.Coins < price) return;
GameManager.Instance.SpendCoins(price);
inventoryManager.EquipWeapon(weapon);
shopUI.MarkAsPurchased(weapon);
}
public void RerollShop()
{
currentItemChoices = DrawRandomItems(possibleItems, itemsPerShop);
currentWeaponChoices = DrawRandomItems(possibleWeapons, itemsPerShop);
shopUI.Show(currentItemChoices, currentWeaponChoices, this);
}
private void OpenShop()
{
OpenShop(GameManager.Instance.CurrentRound);
}
private void OpenShop(int round)
{
currentItemChoices = DrawRandomItems(possibleItems, itemsPerShop);
currentWeaponChoices = DrawRandomItems(possibleWeapons, itemsPerShop);
shopUI.Show(currentItemChoices, currentWeaponChoices, this);
Time.timeScale = 0f;
}
private List<T> DrawRandomItems<T>(List<T> pool, int count)
{
var result = new List<T>();
var poolCopy = new List<T>(pool);
for (var i = 0; i < count && poolCopy.Count > 0; i++)
{
var idx = Random.Range(0, poolCopy.Count);
result.Add(poolCopy[idx]);
poolCopy.RemoveAt(idx);
}
return result;
}
}
}

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fileFormatVersion: 2
guid: 3f37c728615643a1abc988bbfd34986c
timeCreated: 1752272671

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using Inventory;
using Systems;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
namespace Shop
{
public class ShopSlotUI : MonoBehaviour
{
private ScriptableObject item;
private ShopManager shopManager;
private int price;
[SerializeField] private Image icon;
[SerializeField] private TextMeshProUGUI nameText;
[SerializeField] private TextMeshProUGUI descriptionText;
[SerializeField] private TextMeshProUGUI priceText;
[SerializeField] private Button purchaseButton;
public void Setup(StatModifierItem item, ShopManager manager)
{
this.item = item;
shopManager = manager;
price = item.price;
icon.sprite = item.icon;
nameText.text = item.name;
descriptionText.text = item.description;
priceText.text = $"Price: {price}";
purchaseButton.interactable = GameManager.Instance.Coins >= price;
purchaseButton.onClick.AddListener(() => shopManager.BuyItem(item, price));
}
public void Setup(WeaponItem weapon, ShopManager manager)
{
item = weapon;
shopManager = manager;
price = weapon.price;
icon.sprite = weapon.icon;
nameText.text = weapon.weaponName;
descriptionText.text = weapon.description;
priceText.text = $"Price: {price}";
purchaseButton.interactable = GameManager.Instance.Coins >= price;
purchaseButton.onClick.AddListener(() => shopManager.BuyWeapon(weapon, price));
}
public bool MatchesItem(ScriptableObject item) => this.item == item;
public void MarkAsPurchased()
{
purchaseButton.interactable = false;
}
}
}

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fileFormatVersion: 2
guid: 1d76cc9c15ed441b930dbe52e5e9af5f
timeCreated: 1752273703

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using System;
using System.Collections.Generic;
using Inventory;
using Systems;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
namespace Shop
{
public class ShopUI : MonoBehaviour
{
[SerializeField] private GameObject shopPanel;
[SerializeField] private Transform itemSlotParent;
[SerializeField] private Transform weaponSlotParent;
[SerializeField] private ShopSlotUI slotPrefab;
[SerializeField] private TextMeshProUGUI roundsText;
private List<ShopSlotUI> currentSlots = new();
private void OnEnable()
{
GameManager.Instance.OnRoundEnd += UpdateRoundText;
}
private void OnDisable()
{
GameManager.Instance.OnRoundEnd -= UpdateRoundText;
}
public void Show(List<StatModifierItem> items, List<WeaponItem> weapons, ShopManager shopManager)
{
GameManager.Instance.StoreIsClosed = false;
UpdateRoundText(GameManager.Instance.CurrentRound);
shopPanel.SetActive(true);
ClearSlots();
foreach (var item in items)
{
var slot = Instantiate(slotPrefab, itemSlotParent);
slot.Setup(item, shopManager);
currentSlots.Add(slot);
}
foreach (var weapon in weapons)
{
var slot = Instantiate(slotPrefab, weaponSlotParent);
slot.Setup(weapon, shopManager);
currentSlots.Add(slot);
}
}
public void Hide()
{
GameManager.Instance.StoreIsClosed = true;
shopPanel.SetActive(false);
ClearSlots();
}
public void MarkAsPurchased(ScriptableObject item)
{
foreach (var slot in currentSlots)
{
if (slot.MatchesItem(item)) slot.MarkAsPurchased();
}
}
private void ClearSlots()
{
foreach (var slot in currentSlots) Destroy(slot.gameObject);
currentSlots.Clear();
}
private void UpdateRoundText(int round)
{
var nextRound = Mathf.Min(round + 1, GameManager.Instance.MaxRounds);
roundsText.text = $"Round: {nextRound}/{GameManager.Instance.MaxRounds}";
}
}
}

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fileFormatVersion: 2
guid: abe11e705b4f47feb25a4e4845d1e6e9
timeCreated: 1752272723

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Assets/Scripts/Systems/EnemyDeathBehavior.cs
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using Interfaces;
using Sirenix.Serialization;
using UnityEngine;
namespace Systems
{
public class EnemyDeathBehavior : MonoBehaviour, IDeathBehavior
{
[OdinSerialize, SerializeField] private int expReward = 5;
[OdinSerialize, SerializeField] private int coinReward = 1;
public void Die()
{
GameManager.Instance.Player.attributes.ModifyExperience(expReward);
GameManager.Instance.AddCoins(coinReward);
Destroy(gameObject);
// later let's add particle effects, sound effects, etc.
// and give player experience points
}
}
}

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using System;
using System.Collections;
using Data;
using Sirenix.Serialization;
using UnityEngine;
namespace Systems
{
public class GameManager : MonoBehaviour
{
private float timer;
public static GameManager Instance { get; private set; }
[OdinSerialize, SerializeField] private int currentRound = 1;
[OdinSerialize, SerializeField] private int coins = 0;
[OdinSerialize, SerializeField] private float roundTime = 60f;
[OdinSerialize, SerializeField] private int maxRounds = 20;
[OdinSerialize, SerializeField] private Character player;
public Character Player => player;
public int Coins => coins;
public int CurrentRound => currentRound;
public float RoundTime => roundTime;
public int MaxRounds => maxRounds;
public bool StoreIsClosed { get; set; } = true;
public event Action<int> OnRoundStart;
public event Action<int> OnRoundEnd;
public event Action OnStoreOpen;
private void Awake()
{
if (Instance == null)
{
Instance = this;
DontDestroyOnLoad(gameObject);
}
else
{
Destroy(gameObject);
}
}
private void Start()
{
StartCoroutine(RoundLoop());
}
private IEnumerator RoundLoop()
{
OnStoreOpen?.Invoke();
yield return new WaitUntil(() => StoreIsClosed);
for (currentRound = 1; currentRound <= maxRounds; currentRound++)
{
OnRoundStart?.Invoke(currentRound);
timer = roundTime;
while (timer > 0)
{
timer -= Time.deltaTime;
yield return null;
}
OnRoundEnd?.Invoke(currentRound);
StoreIsClosed = false;
OnStoreOpen?.Invoke();
yield return new WaitUntil(() => StoreIsClosed);
}
}
public void AddCoins(int amount)
{
coins += amount;
}
public void SpendCoins(int amount)
{
if (coins >= amount)
{
coins -= amount;
}
}
}
}

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fileFormatVersion: 2
guid: 41ea29e7d7d04eb5be628e56520e9bbd
timeCreated: 1752271597