49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph
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{
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// this class is used to track asset dependencies in shadergraphs and subgraphs
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// that is: it tracks files that the shadergraph or subgraph must access to generate the shader
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// this data is used to automatically re-import the shadergraphs or subgraphs when any of the tracked files change
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[GenerationAPI]
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internal class AssetCollection
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{
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[Flags]
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public enum Flags
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{
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SourceDependency = 1 << 0, // ShaderGraph directly reads the source file in the Assets directory
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ArtifactDependency = 1 << 1, // ShaderGraph reads the import result artifact (i.e. subgraph import)
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IsSubGraph = 1 << 2, // This asset is a SubGraph (used when we need to get multiple levels of dependencies)
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IncludeInExportPackage = 1 << 3 // This asset should be pulled into any .unitypackages built via "Export Package.."
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}
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internal Dictionary<GUID, Flags> assets = new Dictionary<GUID, Flags>();
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internal IEnumerable<GUID> assetGUIDs { get { return assets.Keys; } }
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public AssetCollection()
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{
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}
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internal void Clear()
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{
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assets.Clear();
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}
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// these are assets that we read the source files directly (directly reading the file out of the Assets directory)
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public void AddAssetDependency(GUID assetGUID, Flags flags)
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{
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if (assets.TryGetValue(assetGUID, out Flags existingFlags))
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{
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assets[assetGUID] = existingFlags | flags;
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}
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else
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{
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assets.Add(assetGUID, flags);
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}
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}
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}
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}
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