XRReferencePointSubsystemDescriptor.deprecated.cs
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using System;
#if UNITY_2020_2_OR_NEWER
using UnityEngine.SubsystemsImplementation;
#endif
namespace UnityEngine.XR.ARSubsystems
{
/// <summary>
/// Describes the capabilities of an <see cref="XRReferencePointSubsystem"/>.
/// </summary>
[Obsolete("XRReferencePointSubsystemDescriptor has been deprecated. Use XRAnchorSubsystemDescriptor instead (UnityUpgradable) -> UnityEngine.XR.ARSubsystems.XRAnchorSubsystemDescriptor", false)]
#if UNITY_2020_2_OR_NEWER
public class XRReferencePointSubsystemDescriptor
: SubsystemDescriptorWithProvider<XRReferencePointSubsystem, XRReferencePointSubsystem.Provider>
#else
public class XRReferencePointSubsystemDescriptor
: SubsystemDescriptor<XRReferencePointSubsystem>
#endif
{
/// <summary>
/// <c>true</c> if the subsystem supports attachments, i.e., the ability to attach a reference point to a trackable.
/// </summary>
public bool supportsTrackableAttachments { get; private set; }
/// <summary>
/// Constructor info used to register a descriptor.
/// </summary>
public struct Cinfo : IEquatable<Cinfo>
{
/// <summary>
/// The string identifier for this subsystem.
/// </summary>
public string id { get; set; }
#if UNITY_2020_2_OR_NEWER
/// <summary>
/// Specifies the provider implementation type to use for instantiation.
/// </summary>
/// <value>
/// The provider implementation type to use for instantiation.
/// </value>
public Type providerType { get; set; }
/// <summary>
/// Specifies the <c>XRReferencePointSubsystem</c>-derived type that forwards casted calls to its provider.
/// </summary>
/// <value>
/// The type of the subsystem to use for instantiation. If null, <c>XRAnchorSubsystem</c> will be instantiated.
/// </value>
public Type subsystemTypeOverride { get; set; }
#endif
/// <summary>
/// The concrete <c>Type</c> of the subsystem which will be instantiated if a subsystem is created from this descriptor.
/// </summary>
#if UNITY_2020_2_OR_NEWER
[Obsolete("XRReferencePointSubsystem no longer supports the deprecated set of base classes for subsystems as of Unity 2020.2. Use providerType and, optionally, subsystemTypeOverride instead.", true)]
#endif
public Type subsystemImplementationType { get; set; }
/// <summary>
/// <c>true</c> if the subsystem supports attachments, i.e., the ability to attach a reference point to a trackable.
/// </summary>
public bool supportsTrackableAttachments { get; set; }
/// <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()
{
unchecked
{
int hash = HashCode.ReferenceHash(id);
#if UNITY_2020_2_OR_NEWER
hash = hash * 486187739 + HashCode.ReferenceHash(providerType);
hash = hash * 486187739 + HashCode.ReferenceHash(subsystemTypeOverride);
#else
hash = hash * 486187739 + HashCode.ReferenceHash(subsystemImplementationType);
#endif
return hash;
}
}
/// <summary>
/// Tests for equality.
/// </summary>
/// <param name="obj">The `object` to compare against.</param>
/// <returns>`True` if <paramref name="obj"/> is of type <see cref="Cinfo"/> and
/// <see cref="Equals(Cinfo)"/> also returns `true`; otherwise `false`.</returns>
public override bool Equals(object obj)
{
if (!(obj is Cinfo))
return false;
return Equals((Cinfo)obj);
}
/// <summary>
/// Tests for equality.
/// </summary>
/// <param name="other">The other <see cref="Cinfo"/> to compare against.</param>
/// <returns>`True` if every field in <paramref name="other"/> is equal to this <see cref="Cinfo"/>, otherwise false.</returns>
public bool Equals(Cinfo other)
{
return
String.Equals(id, other.id) &&
#if UNITY_2020_2_OR_NEWER
ReferenceEquals(providerType, other.providerType) &&
ReferenceEquals(subsystemTypeOverride, other.subsystemTypeOverride);
#else
ReferenceEquals(subsystemImplementationType, other.subsystemImplementationType);
#endif
}
/// <summary>
/// Tests for equality. Same as <see cref="Equals(Cinfo)"/>.
/// </summary>
/// <param name="lhs">The left-hand side of the comparison.</param>
/// <param name="rhs">The right-hand side of the comparison.</param>
/// <returns>`True` if <paramref name="lhs"/> is equal to <paramref name="rhs"/>, otherwise `false`.</returns>
public static bool operator ==(Cinfo lhs, Cinfo rhs) => lhs.Equals(rhs);
/// <summary>
/// Tests for inequality. Same as `!`<see cref="Equals(Cinfo)"/>.
/// </summary>
/// <param name="lhs">The left-hand side of the comparison.</param>
/// <param name="rhs">The right-hand side of the comparison.</param>
/// <returns>`True` if <paramref name="lhs"/> is not equal to <paramref name="rhs"/>, otherwise `false`.</returns>
public static bool operator !=(Cinfo lhs, Cinfo rhs) => !lhs.Equals(rhs);
}
/// <summary>
/// Creates a new subsystem descriptor and registers it with the <c>SubsystemManager</c>.
/// </summary>
/// <param name="cinfo">Constructor info describing the descriptor to create.</param>
public static void Create(Cinfo cinfo)
{
#if UNITY_2020_2_OR_NEWER
SubsystemDescriptorStore.RegisterDescriptor(new XRReferencePointSubsystemDescriptor(cinfo));
#else
SubsystemRegistration.CreateDescriptor(new XRReferencePointSubsystemDescriptor(cinfo));
#endif
}
XRReferencePointSubsystemDescriptor(Cinfo cinfo)
{
id = cinfo.id;
#if UNITY_2020_2_OR_NEWER
providerType = cinfo.providerType;
subsystemTypeOverride = cinfo.subsystemTypeOverride;
#else
subsystemImplementationType = cinfo.subsystemImplementationType;
#endif
supportsTrackableAttachments = cinfo.supportsTrackableAttachments;
}
}
}