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Bachelor-Arbeit-Adrian-Haefner/Library/PackageCache/com.unity.xr.arfoundation@ef86c118adc4/Runtime/ARFoundation/ARMeshesChangedEventArgs.cs
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2025-07-31 15:21:08 +02:00

109 lines
4.7 KiB
C#

using System;
using System.Collections.Generic;
namespace UnityEngine.XR.ARFoundation
{
/// <summary>
/// Event arguments for the <see cref="ARMeshManager.meshesChanged"/> event.
/// </summary>
public struct ARMeshesChangedEventArgs : IEquatable<ARMeshesChangedEventArgs>
{
/// <summary>
/// The list of <c>MeshFilter</c>s added since the last event.
/// </summary>
public List<MeshFilter> added { get; }
/// <summary>
/// The list of <c>MeshFilter</c>s updated since the last event.
/// </summary>
public List<MeshFilter> updated { get; }
/// <summary>
/// The list of <c>MeshFilter</c>s removed since the last event.
/// </summary>
public List<MeshFilter> removed { get; }
/// <summary>
/// Constructs an <see cref="ARMeshesChangedEventArgs"/>.
/// </summary>
/// <param name="added">The list of <c>MeshFilter</c>s added since the last event.</param>
/// <param name="updated">The list of <c>MeshFilter</c>s updated since the last event.</param>
/// <param name="removed">The list of <c>MeshFilter</c>s removed since the last event.</param>
public ARMeshesChangedEventArgs(
List<MeshFilter> added,
List<MeshFilter> updated,
List<MeshFilter> removed)
{
this.added = added;
this.updated = updated;
this.removed = removed;
}
/// <summary>
/// Generates a hash suitable for use with containers like `HashSet` and `Dictionary`.
/// </summary>
/// <returns>A hash code generated from this object's fields.</returns>
public override int GetHashCode() => HashCodeUtil.Combine(
HashCodeUtil.ReferenceHash(added),
HashCodeUtil.ReferenceHash(updated),
HashCodeUtil.ReferenceHash(removed));
/// <summary>
/// <c>IEquatable</c> interface.
/// </summary>
/// <param name="obj">The object to compare for equality.</param>
/// <returns><c>True</c> if <paramref name="obj"/> is of type <see cref="ARMeshesChangedEventArgs"/>
/// and compares equal using <see cref="Equals(ARMeshesChangedEventArgs)"/>.</returns>
public override bool Equals(object obj)
{
return obj is ARMeshesChangedEventArgs args && Equals(args);
}
/// <summary>
/// Generates a string representation of this struct, including the number of
/// added, updated, and removed meshes.
/// </summary>
/// <returns>A string representation of this struct.</returns>
public override string ToString()
{
return $"Added: {added?.Count ?? 0}, Updated: {updated?.Count ?? 0}, Removed: {removed?.Count ?? 0}";
}
/// <summary>
/// Compares <paramref name="other"/> for equality.
/// </summary>
/// <param name="other">The <see cref="ARMeshesChangedEventArgs"/> to compare for equality.</param>
/// <returns><c>True</c> if <see cref="added"/>, <see cref="updated"/>, and <see cref="removed"/>
/// have the same <c>List</c> references as the corresponding properties of <paramref name="other"/>.</returns>
public bool Equals(ARMeshesChangedEventArgs other)
{
return
ReferenceEquals(added, other.added) &&
ReferenceEquals(updated, other.updated) &&
ReferenceEquals(removed, other.removed);
}
/// <summary>
/// Compares for equality. Same as <see cref="Equals(ARMeshesChangedEventArgs)"/>.
/// </summary>
/// <param name="lhs">The first <see cref="ARMeshesChangedEventArgs"/> to compare.</param>
/// <param name="rhs">The second <see cref="ARMeshesChangedEventArgs"/> to compare.</param>
/// <returns>The same value as <see cref="Equals(ARMeshesChangedEventArgs)"/></returns>
public static bool operator ==(ARMeshesChangedEventArgs lhs, ARMeshesChangedEventArgs rhs)
{
return lhs.Equals(rhs);
}
/// <summary>
/// Compares for inequality. Same as <c>!</c><see cref="Equals(ARMeshesChangedEventArgs)"/>.
/// </summary>
/// <param name="lhs">The first <see cref="ARMeshesChangedEventArgs"/> to compare.</param>
/// <param name="rhs">The second <see cref="ARMeshesChangedEventArgs"/> to compare.</param>
/// <returns>The same value as <c>!</c><see cref="Equals(ARMeshesChangedEventArgs)"/></returns>
public static bool operator !=(ARMeshesChangedEventArgs lhs, ARMeshesChangedEventArgs rhs)
{
return !lhs.Equals(rhs);
}
}
}