49 lines
1.3 KiB
C#
49 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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namespace UnityEngine.Rendering
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{
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/// <summary>
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/// Represents an observable value of type T. Subscribers can be notified when the value changes.
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/// </summary>
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/// <typeparam name="T">The type of the value.</typeparam>
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public struct Observable<T>
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{
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/// <summary>
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/// Event that is triggered when the value changes.
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/// </summary>
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public event Action<T> onValueChanged;
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private T m_Value;
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/// <summary>
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/// The current value.
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/// </summary>
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public T value
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{
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get => m_Value;
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set
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{
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// Only invoke the event if the new value is different from the current value
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if (!EqualityComparer<T>.Default.Equals(value, m_Value))
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{
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m_Value = value;
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// Notify subscribers when the value changes
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onValueChanged?.Invoke(value);
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}
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}
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}
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/// <summary>
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/// Constructor with value
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/// </summary>
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/// <param name="newValue">The new value to be assigned.</param>
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public Observable(T newValue)
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{
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m_Value = newValue;
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onValueChanged = null;
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}
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}
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}
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