71 lines
3.1 KiB
C#
71 lines
3.1 KiB
C#
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using System;
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using System.Linq;
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using UnityEditor.Build;
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using UnityEditor.XR.Management;
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namespace UnityEditor.XR.ARSubsystems
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{
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/// <summary>
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/// A utility class to run AR build preprocessors.
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/// </summary>
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public static class ARBuildProcessor
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{
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/// <summary>
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/// Implement this interface to receive a callback when <see cref="PreprocessBuild"/> is called.
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/// </summary>
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public interface IPreprocessBuild : IOrderedCallback
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{
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/// <summary>
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/// Invoked when <see cref="PreprocessBuild"/> is called.
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/// </summary>
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/// <param name="buildEventArgs">The <see cref="PreprocessBuildEventArgs"/> associated with this
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/// preprocessor event.</param>
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void OnPreprocessBuild(PreprocessBuildEventArgs buildEventArgs);
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}
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/// <summary>
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/// Applies any preprocessing necessary to setup assets for a given build target.
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/// </summary>
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/// <remarks>
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/// This method instantiates all classes that derive from <see cref="IPreprocessBuild"/> and executes their
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/// <see cref="IPreprocessBuild.OnPreprocessBuild"/> methods.
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///
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/// You should call this before building asset bundles (see
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/// [BuildPipeline.BuildAssetBundles](xref:UnityEditor.BuildPipeline.BuildAssetBundles(System.String,UnityEditor.BuildAssetBundleOptions,UnityEditor.BuildTarget)))
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/// in order to ensure that all AR assets have been correctly configured.
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/// </remarks>
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/// <param name="buildTarget">The build target for which assets should be preprocessed.</param>
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public static void PreprocessBuild(BuildTarget buildTarget)
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{
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// Get the list of active loaders for the given BuildTarget
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var settings = XRGeneralSettingsPerBuildTarget
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.XRGeneralSettingsForBuildTarget(BuildPipeline.GetBuildTargetGroup(buildTarget));
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var activeLoaders = settings && settings.Manager ? settings.Manager.activeLoaders : null;
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if (activeLoaders == null)
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return;
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// Clear the data store before asking packages to populate it.
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XRReferenceImageLibraryBuildProcessor.ClearDataStore();
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// Find and create all IPreprocessBuild objects
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var interfaces = AppDomain.CurrentDomain
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.GetAssemblies()
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.SelectMany(x => x.GetTypes())
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.Where(type => Array.Exists(type.GetInterfaces(), i => i == typeof(IPreprocessBuild)))
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.Select(type => Activator.CreateInstance(type) as IPreprocessBuild)
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.Where(buildPreprocessor => buildPreprocessor != null)
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.ToList();
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// Sort by callback order
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interfaces.Sort((a, b) => a.callbackOrder.CompareTo(b.callbackOrder));
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// Invoke OnPreprocessBuild on each one
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var eventArgs = new PreprocessBuildEventArgs(buildTarget, activeLoaders);
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foreach (var @interface in interfaces)
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{
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@interface.OnPreprocessBuild(eventArgs);
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}
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}
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}
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}
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