91 lines
2.9 KiB
C#
91 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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namespace UnityEngine.ResourceManagement.ResourceLocations
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{
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/// <summary>
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/// Contains enough information to load an asset (what/where/how/dependencies)
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/// </summary>
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public interface IResourceLocation
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{
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/// <summary>
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/// Internal name used by the provider to load this location
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/// </summary>
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/// <value>The identifier.</value>
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string InternalId { get; }
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/// <summary>
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/// Matches the provider used to provide/load this location
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/// </summary>
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/// <value>The provider id.</value>
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string ProviderId { get; }
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/// <summary>
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/// Gets the dependencies of other IResourceLocations.
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/// </summary>
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/// <value>The dependencies.</value>
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IList<IResourceLocation> Dependencies { get; }
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/// <summary>
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/// The hash of this location combined with the specified type.
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/// </summary>
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/// <param name="resultType">The type of the result.</param>
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/// <returns>The combined hash of the location and the type.</returns>
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int Hash(Type resultType);
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/// <summary>
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/// The precomputed hash code of the dependencies.
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/// </summary>
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int DependencyHashCode { get; }
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/// <summary>
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/// Checks the dependencies of other IResourceLocations
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/// </summary>
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/// <value>The dependencies.</value>
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bool HasDependencies { get; }
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/// <summary>
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/// Gets any data object associated with this locations
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/// </summary>
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/// <value>The object.</value>
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object Data { get; }
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/// <summary>
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/// Primary address for this location.
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/// </summary>
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string PrimaryKey { get; }
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/// <summary>
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/// The type of the resource for th location.
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/// </summary>
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Type ResourceType { get; }
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}
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/// <summary>
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/// An IEqualityComparerer to check if two IResourceLocations are the same
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/// </summary>
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public class ResourceLocationComparer : IEqualityComparer<IResourceLocation>
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{
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/// <summary>
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/// Check if two Resource locations are equal
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/// </summary>
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/// <param name="x">First location to compare</param>
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/// <param name="y">Second location to compare</param>
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/// <returns>True if they're equal, false otherwise</returns>
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public bool Equals(IResourceLocation x, IResourceLocation y)
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{
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return GetHashCode(x) == GetHashCode(y);
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}
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/// <summary>
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/// Calculates the hash code for a Resource Location
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/// </summary>
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/// <param name="obj">The resource location to compute</param>
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/// <returns>A hash code of the data in a Resource Location</returns>
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public int GetHashCode(IResourceLocation obj)
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{
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return obj.InternalId.GetHashCode() * 31 + obj.ResourceType.GetHashCode();
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}
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}
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}
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