107 lines
3.8 KiB
C#
107 lines
3.8 KiB
C#
// Animancer // https://kybernetik.com.au/animancer // Copyright 2018-2025 Kybernetik //
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#if UNITY_EDITOR
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using UnityEditor;
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using UnityEngine;
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namespace Animancer.Editor
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{
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/// <summary>[Editor-Only]
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/// A utility for automatically swapping materials based on supported shaders.
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/// </summary>
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/// <remarks>
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/// This system is used to allow materials to be used in any render pipeline.
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/// </remarks>
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/// https://kybernetik.com.au/animancer/api/Animancer.Editor/MaterialVariantGroup
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//[CreateAssetMenu(
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// menuName = Strings.MenuPrefix + "Material Variant Group",
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// order = Strings.AssetMenuOrder + 5)]
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[AnimancerHelpUrl(typeof(MaterialVariantGroup))]
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public class MaterialVariantGroup : ScriptableObject
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{
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/************************************************************************************************************************/
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[SerializeField]
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private Material _Material;
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/// <summary>The target material.</summary>
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public ref Material Material
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=> ref _Material;
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[SerializeField]
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private Material[] _Variants;
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/// <summary>The variants to try applying to the target material.</summary>
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public ref Material[] Variants
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=> ref _Variants;
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/************************************************************************************************************************/
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/// <summary>Applies the first variant that successfully loaded its shader.</summary>
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protected virtual void OnEnable()
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{
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if (_Material == null ||
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_Variants.IsNullOrEmpty())
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return;
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foreach (var variant in _Variants)
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{
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if (variant == null ||
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variant.shader == null ||
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!variant.shader.isSupported)
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continue;
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if (_Material.shader != variant.shader)
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{
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_Material.shader = variant.shader;
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_Material.CopyPropertiesFromMaterial(variant);
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}
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return;
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}
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}
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/************************************************************************************************************************/
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/// <summary>[Editor-Only]
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/// Loads all assets of this type to ensure their <see cref="OnEnable"/> is called.
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/// </summary>
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private class Initializer : AssetPostprocessor
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{
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/************************************************************************************************************************/
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/// <summary>Loads all assets of this type to ensure their <see cref="OnEnable"/> is called.</summary>
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private static void OnPostprocessAllAssets(
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string[] importedAssets,
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string[] deletedAssets,
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string[] movedAssets,
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string[] movedFromAssetPaths,
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bool didDomainReload)
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{
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if (!didDomainReload)
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return;
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var filter = $"t:{nameof(MaterialVariantGroup)}";
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var guids = AssetDatabase.FindAssets(filter);
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if (guids.Length == 0)
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return;
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for (int i = 0; i < guids.Length; i++)
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{
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var path = AssetDatabase.GUIDToAssetPath(guids[i]);
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AssetDatabase.LoadAssetAtPath<MaterialVariantGroup>(path);
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}
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}
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/************************************************************************************************************************/
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}
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/************************************************************************************************************************/
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}
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}
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#endif
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