test/Assets/RankDemo/Script/RankItemUI.cs

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

namespace LocalRank
{
    [System.Serializable]
    public class RankSpriteInfo
    {
        public Sprite sprite;
        public Vector2 size; // 显示尺寸
    }
    public class RankItemUI : MonoBehaviour
    {
        public Text rankIndexText;
        public Text infoText;
        public Image avatarImage;
        public Transform iconTransform;
        public Image iconImage;
        public Text iconText;
        public Outline outline;

        // 图标资源（可选，也可以从外部注入）
        public RankSpriteInfo firstPlaceSprite;
        public RankSpriteInfo secondPlaceSprite;
        public RankSpriteInfo thirdPlaceSprite;

        public Sprite selfSprite; // 自己的背景
        public Sprite otherSprite; // 其他人的背景
        public Sprite otherTopSprite;   // 其他人的背景（前3名）
        private RankItemData rankItemData;

        private Coroutine fakeRankCoroutine;
        private int realRank = 0;

        public void SetData(RankItemData data)
        {
            // 设置数据
            if (data == null) return;
            rankItemData = data;

            realRank = data.Rank;

            rankIndexText.text = $"#{data.RankIndex}";
            infoText.text = $"{data.Score}"; //{data.UserName}  

            // 设置名次文本或前三图标
            ApplyRankDisplay(data.Rank);
            // if (iconTransform != null && iconImage != null && iconText != null)
            // {
            //     if (data.Rank == 1 || data.Rank == 2 || data.Rank == 3)
            //     {
            //         iconImage.enabled = true;
            //         iconText.gameObject.SetActive(false);
            //         RankSpriteInfo info = null;
            //         switch (data.Rank)
            //         {
            //             case 1:
            //                 info = firstPlaceSprite;
            //                 break;
            //             case 2:
            //                 info = secondPlaceSprite;
            //                 break;
            //             case 3:
            //                 info = thirdPlaceSprite;
            //                 break;
            //         }
            //         if (info != null && info.sprite != null)
            //         {
            //             iconImage.sprite = info.sprite;
            //             iconImage.rectTransform.sizeDelta = info.size;
            //         }
            //     }
            //     else
            //     {
            //         iconImage.enabled = false;
            //         iconText.gameObject.SetActive(true);
            //         iconText.text = $"{data.Rank}";
            //     }
            // }

            Sprite topSprite = data.Rank <= 3 ? otherTopSprite : otherSprite;
            GetComponent<Image>().sprite = data.IsSelf ? selfSprite : topSprite;
            // Outline
            // if (outline != null)
            //     outline.enabled = data.IsSelf;
        }

        public void SetAvatar(Sprite avatarSprite)
        {
            if (avatarImage != null)
                avatarImage.sprite = avatarSprite;
        }
        public void SetOtherSprite()
        {
            GetComponent<Image>().sprite = otherSprite;
        }
        public void HideIconAndText()
        {
            if (iconImage != null) iconImage.enabled = false;
            if (iconText != null) iconText.gameObject.SetActive(false);
        }
        public void HideIcon()
        {
            if (iconImage != null) iconImage.enabled = false;

        }
        public void ShowIconAndText()
        {
            if (rankItemData.Rank == 1 || rankItemData.Rank == 2 || rankItemData.Rank == 3)
            {
                iconImage.enabled = true;
                iconText.gameObject.SetActive(false);
            }
            else
            {
                iconImage.enabled = false;
                iconText.gameObject.SetActive(true);
            }

        }

        public void StartRunUI()
        {

            StartFakeRankAnimation(1.5f, 0.1f);
            HideIcon();
        }
        public void StopRunUI()
        {
            RestoreRealRank();
            ShowIconAndText();
        }

        // 设置排名展示（图标或文本）
        private void ApplyRankDisplay(int rank)
        {
            if (iconTransform != null && iconImage != null && iconText != null)
            {
                if (rank <= 3 && rank >= 1 )
                {
                    iconImage.enabled = true;
                    iconText.gameObject.SetActive(false);
                    RankSpriteInfo info = rank == 1 ? firstPlaceSprite : rank == 2 ? secondPlaceSprite : thirdPlaceSprite;
                    if (info != null && info.sprite != null)
                    {
                        iconImage.sprite = info.sprite;
                        iconImage.rectTransform.sizeDelta = info.size;
                    }
                }
                else
                {
                    iconImage.enabled = false;
                    iconText.gameObject.SetActive(true);
                    iconText.text = $"{rank}";
                }
            }
            rankIndexText.text = $"#{rank}";
        }

        // 自动开始假排名跳动
        public void StartFakeRankAnimation(float duration = 1.5f, float interval = 0.1f)
        {
            if (fakeRankCoroutine != null)
                StopCoroutine(fakeRankCoroutine);

            fakeRankCoroutine = StartCoroutine(FakeRankRoutine(duration, interval));
        }

        // 恢复真实排名
        public void RestoreRealRank()
        {
            if (fakeRankCoroutine != null)
            {
                StopCoroutine(fakeRankCoroutine);
                fakeRankCoroutine = null;
            }
            ApplyRankDisplay(realRank);
        }

        // 协程：随机数字跳变动画
        private IEnumerator FakeRankRoutine(float duration, float interval)
        {
            float elapsed = 0f;
            while (elapsed < duration)
            {
                int fakeRank = Random.Range(100, 1001);
                ApplyRankDisplay(fakeRank);
                yield return new WaitForSeconds(interval);
                elapsed += interval;
            }

            // 恢复真实排名
            ApplyRankDisplay(realRank);
            fakeRankCoroutine = null;
        }

    }


}