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

public class ItemNameByUI : MonoBehaviour
{
    GameObject nameObj = null;
    Text nameText = null;
    string name = "";
    int quality = 0;
    // Start is called before the first frame update
    void Start()
    {
        nameObj = this.transform.Find("UIName/Name").gameObject;
        nameText = nameObj.transform.Find("Text").GetComponent<Text>();
        RefrashName();
    }

    // Update is called once per frame
    void Update()
    {
        if(nameObj == null)
        {
            return;
        }

        nameObj.transform.position = Camera.main.WorldToScreenPoint(this.transform.position + Vector3.up * 0.6f);
    }

    public void SetName(string _name,int _quality)
    {
        name = _name;
        quality = _quality;
    }

    private void RefrashName()
    {
        Color col = Color.white;
        switch (quality)
        {
            case 0:
            case 1:
                break;
            case 2:
                col = new Color(0x1B / 255.0f, 0xFF / 255.0f, 0x00 / 255.0f);
                break;
            case 3:
                col = new Color(0x00 / 255.0f, 0x35 / 255.0f, 0xFF / 255.0f);
                break;
            case 4:
                col = new Color(0xC2 / 255.0f, 0x00 / 255.0f, 0xFF / 255.0f);
                break;
            case 5:
                col = new Color(0xFF / 255.0f, 0x8D / 255.0f, 0x00 / 255.0f);
                break;
        }
        nameText.text = name;
        nameText.color = col;
    }

    public Vector2 CalPositionAt(RectTransform from, RectTransform at)
    {
        Camera uiCamera = Camera.main;
        //将from转换到屏幕坐标
        Vector2 V2fromInScreen = RectTransformUtility.WorldToScreenPoint(uiCamera, from.transform.position);
        //将屏幕坐标转换到at的局部坐标中
        Vector2 V2InAt;
        RectTransformUtility.ScreenPointToLocalPointInRectangle(at, V2fromInScreen, uiCamera, out V2InAt);

        return V2InAt;
    }
}