Unity类银河恶魔城学习记录12-4 p126 Item Tooltip源代码

Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码

【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili

UI.cs

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

public class UI : MonoBehaviour
{
    [SerializeField] private GameObject characterUI;
    public UI_itemTooltip itemTooltip;
    public void Start()
    {
        itemTooltip = characterUI.GetComponentInChildren<UI_itemTooltip>();
    }
    public void SwitchTo(GameObject _menu)
    {
        for(int i = 0;i < transform.childCount;i++)
        {
            transform.GetChild(i).gameObject.SetActive(false);
        }

        if(_menu != null)
        {
            _menu.SetActive(true);
        }
    }
}

UI_itemTooltip.cs

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

public class UI_itemTooltip : MonoBehaviour
{
    [SerializeField] private TextMeshProUGUI itemNameText;
    [SerializeField] private TextMeshProUGUI itemTypeText;
    [SerializeField] private TextMeshProUGUI itemDescription;

    [SerializeField] private int defaultFontSize = 32;

    public void ShowToolTip(ItemData_Equipment item)//将item里面的数据读取到对应的text上并显示此组件
    {
        if (item == null)
            return;

        itemNameText.text = item.itemName;
        itemTypeText.text = item.equipmentType.ToString();
        itemDescription.text = item.GetDescription();

        if (itemNameText.text.Length > 12)//使标题超过最大尺寸时字体缩小
        {
            itemNameText.fontSize = itemNameText.fontSize * .7f;
        }
        else
        {
            itemNameText.fontSize = defaultFontSize;
        }

        gameObject.SetActive(true);
    }

    public void HideToolTip()//关闭此组件
    {
        itemNameText.fontSize = defaultFontSize;//防止字体越来越小
        gameObject.SetActive(false);
    }
}

UI_itemSlot.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using UnityEngine.EventSystems;

public class UI_itemSlot : MonoBehaviour ,IPointerDownHandler, IPointerEnterHandler, IPointerExitHandler
{
    [SerializeField] private Image itemImage;
    [SerializeField] private TextMeshProUGUI itemText;

    private UI ui;

    public InventoryItem item;

    private void Start()
    {
        ui = GetComponentInParent<UI>();
    }

    public void UpdateSlots(InventoryItem _newItem)
    {
        item = _newItem;

        itemImage.color = Color.white;

        if (item != null)
        {
            itemImage.sprite = item.data.icon;

            if (item.stackSize > 1)
            {
                itemText.text = item.stackSize.ToString();

            }
            else
            {
                itemText.text = "";
            }
        }
    }

    public void CleanUpSlot()//解决出现UI没有跟着Inventory变化的bug
    {
        item = null;

        itemImage.sprite = null;
        itemImage.color = Color.clear;

        itemText.text = "";
    }

    public virtual void OnPointerDown(PointerEventData eventData)
    {
        if(item == null)//修复点击空白处会报错的bug
        {
            return;
        }

        if(Input.GetKey(KeyCode.LeftControl))
        {
            Inventory.instance.RemoveItem(item.data);
            return;
        }

        if (item.data.itemType == ItemType.Equipment)
            Inventory.instance.EquipItem(item.data);
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        if (item == null || item.data == null)
            return;

        
        ui.itemTooltip.ShowToolTip(item.data as ItemData_Equipment);
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        if (item == null || item.data == null)
            return;

        ui.itemTooltip.HideToolTip();
    }
}

ItemData_equipment.cs

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

public enum EquipmentType
{
    Weapon,
    Armor,
    Amulet,
    Flask

}

[CreateAssetMenu(fileName = "New Item Data", menuName = "Data/Equipment")]
public class ItemData_Equipment : ItemData
{
    public EquipmentType equipmentType;

    public float itemCooldown;

    public ItemEffect[] itemEffects;



    [Header("Major stats")]
    public int strength; // 力量 增伤1点 爆伤增加 1% 物抗
    public int agility;// 敏捷 闪避 1% 闪避几率增加 1%
    public int intelligence;// 1 点 魔法伤害 1点魔抗 
    public int vitality;//加血的

    [Header("Offensive stats")]
    public int damage;
    public int critChance;      // 暴击率
    public int critPower;       //150% 爆伤

    [Header("Defensive stats")]
    public int health;
    public int armor;
    public int evasion;//闪避值
    public int magicResistance;

    [Header("Magic stats")]
    public int fireDamage;
    public int iceDamage;
    public int lightingDamage;

    [Header("Craft requirements")]
    public int descriptionLength;

    public void AddModifiers()
    {
        PlayerStats playerStats = PlayerManager.instance.player.GetComponent<PlayerStats>();
        playerStats.strength.AddModifier(strength);
        playerStats.agility.AddModifier(agility);
        playerStats.intelligence.AddModifier(intelligence);
        playerStats.vitality.AddModifier(vitality);

        playerStats.damage.AddModifier(damage);
        playerStats.critChance.AddModifier(critChance);
        playerStats.critPower.AddModifier(critPower);

        playerStats.Health.AddModifier(health);
        playerStats.armor.AddModifier(armor);
        playerStats.evasion.AddModifier(evasion);
        playerStats.magicResistance.AddModifier(magicResistance);

        playerStats.fireDamage.AddModifier(fireDamage);
        playerStats.iceDamage.AddModifier(iceDamage);
        playerStats.lightingDamage.AddModifier(lightingDamage);
    }

    public void RemoveModifiers()
    {
        PlayerStats playerStats = PlayerManager.instance.player.GetComponent<PlayerStats>();
        playerStats.strength.RemoveModifier(strength);
        playerStats.agility.RemoveModifier(agility);
        playerStats.intelligence.RemoveModifier(intelligence);
        playerStats.vitality.RemoveModifier(vitality);

        playerStats.damage.RemoveModifier(damage);
        playerStats.critChance.RemoveModifier(critChance);
        playerStats.critPower.RemoveModifier(critPower);

        playerStats.Health.RemoveModifier(health);
        playerStats.armor.RemoveModifier(armor);
        playerStats.evasion.RemoveModifier(evasion);
        playerStats.magicResistance.RemoveModifier(magicResistance);

        playerStats.fireDamage.RemoveModifier(fireDamage);
        playerStats.iceDamage.RemoveModifier(iceDamage);
        playerStats.lightingDamage.RemoveModifier(lightingDamage);

    }

    public void Effect(Transform _enemyPosition)//循环调用Effect类里的Effect的函数
    {
        foreach(var item in itemEffects)
        {
            item.ExecuteEffect(_enemyPosition);
        }
    }
    public override string GetDescription()//让外界能够拿到拼出字符串的函数
    {
        sb.Length = 0;
        descriptionLength = 0;


        AddItemDescription(strength, "strength");
        AddItemDescription(agility, "agility");
        AddItemDescription(intelligence, "intelligence");
        AddItemDescription(vitality, "vitality");

        AddItemDescription(damage, "damage");
        AddItemDescription(critChance, "critChance");
        AddItemDescription(critPower, "critPower");

        AddItemDescription(health, "health");
        AddItemDescription(evasion, "evasion");
        AddItemDescription(armor, "armor");
        AddItemDescription(magicResistance, "magicResistance");

        AddItemDescription(fireDamage, "fireDamage");
        AddItemDescription(iceDamage, "iceDamage");
        AddItemDescription(lightingDamage, "lightingDamage");

        Debug.Log("In GetDescription");

        if(descriptionLength < 5)//使窗口拥有最小尺寸
        {
            for(int i = 0;i < 5- descriptionLength;i++)
            {
                sb.AppendLine();
                sb.Append("");
            }
        }

        return sb.ToString();
        
    }

    private void AddItemDescription(int _value,string _name)//通过判断拼出想要的字符串的函数
    {
        if(_value != 0)
        {
            Debug.Log(1);
            if(sb.Length >= 0)
                sb.AppendLine();//这是控制行数的
            if(_value > 0)
                sb.Append(" + "+_value + " " + _name);//这是实打实添加字符串的

            descriptionLength++;
            
        }
    }
}

ItemData.cs

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

public enum ItemType
{
    Material,
    Equipment
}

[CreateAssetMenu(fileName = "New Item Data", menuName = "Data/Item")]
public class ItemData : ScriptableObject 
{
    public ItemType itemType;
    public string itemName;
    public Sprite icon;//图标

    [Range(0,100)]
    public float dropChance;

    protected StringBuilder sb = new StringBuilder();

    public virtual string GetDescription()
    {
        return "";
    }
}