You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
4.1 KiB
97 lines
4.1 KiB
using System;
|
|
|
|
namespace UnityEngine.XR.ARSubsystems
|
|
{
|
|
/// <summary>
|
|
/// A <c>Guid</c> that can be serialized by Unity. The 128-bit <c>Guid</c>
|
|
/// is stored as two 64-bit <c>ulong</c>s. See also the creation utility at
|
|
/// <c>UnityEditor.XR.ARSubsystems.SerializableGuidUtil</c>.
|
|
/// </summary>
|
|
[Serializable]
|
|
public struct SerializableGuid : IEquatable<SerializableGuid>
|
|
{
|
|
/// <summary>
|
|
/// Constructs a <see cref="SerializableGuid"/> from two 64-bit <c>ulong</c>s.
|
|
/// </summary>
|
|
/// <param name="guidLow">The low 8 bytes of the <c>Guid</c>.</param>
|
|
/// <param name="guidHigh">The high 8 bytes of the <c>Guid</c>.</param>
|
|
public SerializableGuid(ulong guidLow, ulong guidHigh)
|
|
{
|
|
m_GuidLow = guidLow;
|
|
m_GuidHigh = guidHigh;
|
|
}
|
|
|
|
static readonly SerializableGuid k_Empty = new SerializableGuid(0, 0);
|
|
|
|
/// <summary>
|
|
/// Used to represent <c>System.Guid.Empty</c>, e.g., a GUID whose value is all zeros.
|
|
/// </summary>
|
|
public static SerializableGuid empty => k_Empty;
|
|
|
|
/// <summary>
|
|
/// Reconstructs the <c>Guid</c> from the serialized data.
|
|
/// </summary>
|
|
public Guid guid => GuidUtil.Compose(m_GuidLow, m_GuidHigh);
|
|
|
|
public override int GetHashCode()
|
|
{
|
|
unchecked
|
|
{
|
|
var hash = m_GuidLow.GetHashCode();
|
|
return hash * 486187739 + m_GuidHigh.GetHashCode();
|
|
}
|
|
}
|
|
|
|
public override bool Equals(object obj)
|
|
{
|
|
if (!(obj is SerializableGuid))
|
|
return false;
|
|
|
|
return Equals((SerializableGuid)obj);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generates a string representation of the <c>Guid</c>. Same as <see cref="guid"/><c>.ToString()</c>.
|
|
/// See <a href="https://docs.microsoft.com/en-us/dotnet/api/system.guid.tostring?view=netframework-4.7.2#System_Guid_ToString">Microsoft's documentation</a>
|
|
/// for more details.
|
|
/// </summary>
|
|
/// <returns>A string representation of the <c>Guid</c>.</returns>
|
|
public override string ToString() => guid.ToString();
|
|
|
|
/// <summary>
|
|
/// Generates a string representation of the <c>Guid</c>. Same as <see cref="guid"/><c>.ToString(format)</c>.
|
|
/// </summary>
|
|
/// <param name="format">A single format specifier that indicates how to format the value of the <c>Guid</c>.
|
|
/// See <a href="https://docs.microsoft.com/en-us/dotnet/api/system.guid.tostring?view=netframework-4.7.2#System_Guid_ToString_System_String_">Microsoft's documentation</a>
|
|
/// for more details.</param>
|
|
/// <returns>A string representation of the <c>Guid</c>.</returns>
|
|
public string ToString(string format) => guid.ToString(format);
|
|
|
|
/// <summary>
|
|
/// Generates a string representation of the <c>Guid</c>. Same as <see cref="guid"/><c>.ToString(format, provider)</c>.
|
|
/// </summary>
|
|
/// <param name="format">A single format specifier that indicates how to format the value of the <c>Guid</c>.
|
|
/// See <a href="https://docs.microsoft.com/en-us/dotnet/api/system.guid.tostring?view=netframework-4.7.2#System_Guid_ToString_System_String_System_IFormatProvider_">Microsoft's documentation</a>
|
|
/// for more details.</param>
|
|
/// <param name="provider">An object that supplies culture-specific formatting information.</param>
|
|
/// <returns>A string representation of the <c>Guid</c>.</returns>
|
|
public string ToString(string format, IFormatProvider provider) => guid.ToString(format, provider);
|
|
|
|
public bool Equals(SerializableGuid other)
|
|
{
|
|
return
|
|
(m_GuidLow == other.m_GuidLow) &&
|
|
(m_GuidHigh == other.m_GuidHigh);
|
|
}
|
|
|
|
public static bool operator ==(SerializableGuid lhs, SerializableGuid rhs) => lhs.Equals(rhs);
|
|
|
|
public static bool operator !=(SerializableGuid lhs, SerializableGuid rhs) => !lhs.Equals(rhs);
|
|
|
|
[SerializeField]
|
|
ulong m_GuidLow;
|
|
|
|
[SerializeField]
|
|
ulong m_GuidHigh;
|
|
}
|
|
}
|