Version: 2020.3
LanguageEnglish
  • C#

AssetImportContext.DependsOnCustomDependency

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Declaration

public void DependsOnCustomDependency(string dependency);

Parameters

dependency Name of dependency. You can use any name you like, but because these names are global across all your Assets, it can be useful to use a naming convention (eg a path-based naming system as in the example below) to avoid clashes with other custom dependency names.

Description

Allows you to specify that an Asset has a custom dependency.

Use custom dependency if need to setup a dependency to something that can't be expressed as either an source asset dependency or artifact dependency.

using UnityEngine;
using UnityEditor.AssetImporters;
using UnityEditor.Experimental;
using UnityEngine.Assertions;
using UnityEditor;

class MySystem { public const string CustomDependencyName = "MyProject/Settings";

public static string GetSetting() { return "42"; }

public static void RegisterCustomDependency() { // You cannot register a custom dependency during the Asset Import process, so this method must be called before the Asset is imported. AssetDatabaseExperimental.RegisterCustomDependency(CustomDependencyName, Hash128.Compute(GetSetting())); } }

class SomeValue : ScriptableObject { public int value; }

[ScriptedImporter(1, "data", AllowCaching = true)] public class MyDataImporter : ScriptedImporter { public override void OnImportAsset(AssetImportContext ctx) { ctx.DependsOnCustomDependency(MySystem.CustomDependencyName);

var someObj = ScriptableObject.CreateInstance<SomeValue>();

var setting = MySystem.GetSetting(); if (setting == "42") someObj.value = 100; else someObj.value = -1;

ctx.AddObjectToAsset("someObj", someObj); } }
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