53 lines
1.7 KiB
C#
53 lines
1.7 KiB
C#
using UnityEngine;
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using System;
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namespace Architecture.Variables
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{
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/// <summary>
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/// 共享浮点变量（ScriptableObject 资产）。
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/// 任何系统可读取 / 写入，并由 OnValueChanged 事件驱动 UI 刷新，
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/// 替代 MonoBehaviour 字段跨系统传递与逐帧反射读取。
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/// </summary>
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[CreateAssetMenu(menuName = "Architecture/Variables/Float", fileName = "NewFloatVariable")]
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public class FloatVariable : ScriptableObject, Architecture.IVariable
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{
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[SerializeField] private float _value;
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[Tooltip("进入 Play Mode 时的初始值，由 VariableRegistry 在每次启动游戏时自动恢复，防止跨局状态泄漏")]
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[SerializeField] private float _defaultValue;
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public float Value
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{
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get => _value;
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set
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{
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if (Mathf.Approximately(_value, value)) return;
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_value = value;
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OnValueChanged?.Invoke(value);
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}
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}
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public event Action<float> OnValueChanged;
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public void SetValue(float value) => Value = value;
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public void ApplyChange(float amount) => Value += amount;
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/// <summary>将运行时值重置为 _defaultValue（每次进入 Play Mode 时由 VariableRegistry 自动调用）。</summary>
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public void ResetToDefault()
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{
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_value = _defaultValue;
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OnValueChanged?.Invoke(_value);
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}
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[ContextMenu("Reset To Default")]
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public void Reset() => ResetToDefault();
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private void OnEnable() => VariableRegistry.Register(this);
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private void OnDisable()
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{
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VariableRegistry.Unregister(this);
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OnValueChanged = null;
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}
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}
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}
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