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