53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.Events;
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using TMPro;
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namespace BaseGames.UI
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{
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/// <summary>
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/// 滑条控件封装：Slider + 实时数值标签 + 一行式 <see cref="Bind"/>，
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/// 消除设置面板里"移除监听→设值→加监听→更新标签"的重复样板。
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/// </summary>
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[DisallowMultipleComponent]
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public class UISlider : MonoBehaviour
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{
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[SerializeField] private Slider _slider;
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[Tooltip("实时数值标签（可空）。")]
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[SerializeField] private TMP_Text _valueLabel;
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[Tooltip("数值标签格式（当未传 fmt 委托时使用）。例：\"{0:0}\"、\"{0:0}%\"。")]
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[SerializeField] private string _format = "{0:0}";
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private Func<float, string> _fmt;
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public Slider Slider => _slider;
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public float Value => _slider != null ? _slider.value : 0f;
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/// <summary>
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/// 绑定取值范围、初值与变更回调。<paramref name="fmt"/> 可自定义数值标签文本（优先于 <see cref="_format"/>）。
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/// </summary>
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public void Bind(float min, float max, float value, UnityAction<float> onChanged, Func<float, string> fmt = null)
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{
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if (_slider == null) return;
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_slider.onValueChanged.RemoveAllListeners();
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_slider.minValue = min;
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_slider.maxValue = max;
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_slider.value = Mathf.Clamp(value, min, max);
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_fmt = fmt;
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UpdateLabel(_slider.value);
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_slider.onValueChanged.AddListener(v =>
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{
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onChanged?.Invoke(v);
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UpdateLabel(v);
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});
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}
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private void UpdateLabel(float v)
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{
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if (_valueLabel == null) return;
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_valueLabel.text = _fmt != null ? _fmt(v) : string.Format(_format, v);
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}
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}
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}
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