156 lines
3.9 KiB
C#
156 lines
3.9 KiB
C#
using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class TribeHoverEffect : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
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{
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private Image maskImage;
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private Image selectImage;
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private GameObject selectedObject;
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private Button button;
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private bool isSelected = false;
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private Color highlightColor = new Color32(0x88, 0x88, 0x88, 255); // #888888
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private Color defaultColor = new Color32(0x2A, 0xFF, 0x00, 255); // #2AFF00
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private byte normalAlpha = 150;
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private byte hoverAlpha = 200;
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private byte selectedAlpha = 255;
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public bool IsLocked;
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void Awake()
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{
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// 自动获取 UI 组件
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maskImage = transform.Find("TribeIconMask/Mask")?.GetComponent<Image>();
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selectImage = transform.Find("TribeIconMask/Select")?.GetComponent<Image>();
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selectedObject = transform.Find("TribeIconMask/Select/Selected")?.gameObject;
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// 获取同节点的 Button
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button = GetComponent<Button>();
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}
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void Start()
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{
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// 自动选中同级中第一个拥有 TribeHoverEffect 的对象
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if (IsFirstTribeInParent())
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{
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OnClicked(); // 默认选中
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}
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else
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{
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if (!isSelected)
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{
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ApplyNormalState();
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if (selectedObject != null)
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selectedObject.SetActive(false);
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}
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}
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// 如果有 Button，则通过代码绑定点击事件
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if (button != null)
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{
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button.onClick.AddListener(HandleButtonClick);
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}
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}
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private bool IsFirstTribeInParent()
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{
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Transform parent = transform.parent;
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if (parent == null) return false;
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foreach (Transform child in parent)
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{
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var effect = child.GetComponent<TribeHoverEffect>();
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if (effect != null)
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{
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return child == transform; // 第一个找到的就是自己
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}
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}
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return false;
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}
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// 供 Button 调用的封装
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public void HandleButtonClick()
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{
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if(!IsLocked)
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OnClicked();
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}
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private void OnClicked()
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{
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// 取消兄弟节点选中
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Transform parent = transform.parent;
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if (parent != null)
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{
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foreach (Transform child in parent)
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{
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if (child == transform) continue;
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var effect = child.GetComponent<TribeHoverEffect>();
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if (effect != null)
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{
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effect.Deselect();
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}
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}
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}
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// 自身设为选中
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isSelected = true;
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selectImage.color = highlightColor;
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SetAlpha(maskImage, selectedAlpha);
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if (selectedObject != null)
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selectedObject.SetActive(true);
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}
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public void OnPointerEnter(PointerEventData eventData)
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{
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if (IsLocked) return;
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if (!isSelected)
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{
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selectImage.color = highlightColor;
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SetAlpha(maskImage, hoverAlpha);
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}
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}
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public void OnPointerExit(PointerEventData eventData)
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{
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if (IsLocked) return;
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if (!isSelected)
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{
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selectImage.color = defaultColor;
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SetAlpha(maskImage, normalAlpha);
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}
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}
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private void ApplyNormalState()
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{
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if (selectImage != null)
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selectImage.color = defaultColor;
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SetAlpha(maskImage, normalAlpha);
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}
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private void SetAlpha(Image image, byte alpha)
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{
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if (image == null) return;
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Color color = image.color;
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color.a = alpha / 255f;
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image.color = color;
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}
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public void Deselect()
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{
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isSelected = false;
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ApplyNormalState();
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if (selectedObject != null)
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selectedObject.SetActive(false);
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}
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public bool CheckIsSelected()
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{
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return isSelected;
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}
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}
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