76 lines
2.2 KiB
C#
76 lines
2.2 KiB
C#
using System.Collections.Generic;
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using PhxhSDK;
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using UnityEngine;
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public class UIReuseable : MonoBehaviour
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{
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static private Stack<GameObject> _cellPoolList = new Stack<GameObject>();
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private GameObject _childGameObject;
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private GameObject _childTemplateGameObject;
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private Rect _availableRect;
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[SerializeField] private bool _using;
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private System.Action<GameObject> _initChildCallback;
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private float _delayCheckDelta = 0.1f;
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public void Init(GameObject childTemplate, Rect availableRect, System.Action<GameObject> initChildCallback)
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{
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_availableRect = availableRect;
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_initChildCallback = initChildCallback;
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_using = false;
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_childTemplateGameObject = childTemplate;
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}
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private GameObject GetReusedCell(GameObject template, GameObject parent)
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{
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GameObject cell = null;
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if (_cellPoolList.Count == 0)
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{
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cell = PhxhSDK.Utils.Instantiate(template, parent);
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cell.SetActive(true);
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}
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else
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{
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cell = _cellPoolList.Pop();
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cell.transform.SetParent(parent.transform);
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}
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var templateRectransform = parent.GetComponent<RectTransform>();
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var cellRectTransform = cell.GetComponent<RectTransform>();
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cellRectTransform.anchorMax = new Vector2(0.5f, 0.5f);
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cellRectTransform.anchorMin = new Vector2(0.5f, 0.5f);
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cellRectTransform.sizeDelta = templateRectransform.sizeDelta;
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cellRectTransform.localPosition = Vector2.zero;
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return cell;
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}
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private void FixedUpdate()
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{
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_delayCheckDelta -= Time.deltaTime;
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if (_delayCheckDelta > 0) return;
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if (_availableRect.Contains(transform.position))
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{
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if (!_using)
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{
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_using = true;
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_childGameObject = GetReusedCell(_childTemplateGameObject, gameObject);
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_initChildCallback(_childGameObject);
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}
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}
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else
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{
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if (_using)
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{
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_using = false;
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_cellPoolList.Push(_childGameObject);
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}
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}
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}
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static public void ClearPool(){
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_cellPoolList.Clear();
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}
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} |