chore: initial commit

Packages/com.kybernetik.animancer/Editor/MaterialVariantGroup.cs

@@ -0,0 +1,106 @@
+// Animancer // https://kybernetik.com.au/animancer // Copyright 2018-2026 Kybernetik //
+
+#if UNITY_EDITOR
+
+using UnityEditor;
+using UnityEngine;
+
+namespace Animancer.Editor
+{
+    /// <summary>[Editor-Only]
+    /// A utility for automatically swapping materials based on supported shaders.
+    /// </summary>
+    /// <remarks>
+    /// This system is used to allow materials to be used in any render pipeline.
+    /// </remarks>
+    /// https://kybernetik.com.au/animancer/api/Animancer.Editor/MaterialVariantGroup
+    //[CreateAssetMenu(
+    //     menuName = Strings.MenuPrefix + "Material Variant Group",
+    //     order = Strings.AssetMenuOrder + 5)]
+    [AnimancerHelpUrl(typeof(MaterialVariantGroup))]
+    public class MaterialVariantGroup : ScriptableObject
+    {
+        /************************************************************************************************************************/
+
+        [SerializeField]
+        private Material _Material;
+
+        /// <summary>The target material.</summary>
+        public ref Material Material
+            => ref _Material;
+
+        [SerializeField]
+        private Material[] _Variants;
+
+        /// <summary>The variants to try applying to the target material.</summary>
+        public ref Material[] Variants
+            => ref _Variants;
+
+        /************************************************************************************************************************/
+
+        /// <summary>Applies the first variant that successfully loaded its shader.</summary>
+        protected virtual void OnEnable()
+        {
+            if (_Material == null ||
+                _Variants.IsNullOrEmpty())
+                return;
+
+            foreach (var variant in _Variants)
+            {
+                if (variant == null ||
+                    variant.shader == null ||
+                    !variant.shader.isSupported)
+                    continue;
+
+                if (_Material.shader != variant.shader)
+                {
+                    _Material.shader = variant.shader;
+                    _Material.CopyPropertiesFromMaterial(variant);
+                }
+
+                return;
+            }
+        }
+
+        /************************************************************************************************************************/
+
+        /// <summary>[Editor-Only]
+        /// Loads all assets of this type to ensure their <see cref="OnEnable"/> is called.
+        /// </summary>
+        private class Initializer : AssetPostprocessor
+        {
+            /************************************************************************************************************************/
+
+            /// <summary>Loads all assets of this type to ensure their <see cref="OnEnable"/> is called.</summary>
+            private static void OnPostprocessAllAssets(
+                string[] importedAssets,
+                string[] deletedAssets,
+                string[] movedAssets,
+                string[] movedFromAssetPaths,
+                bool didDomainReload)
+            {
+                if (!didDomainReload)
+                    return;
+
+                var filter = $"t:{nameof(MaterialVariantGroup)}";
+
+                var guids = AssetDatabase.FindAssets(filter);
+                if (guids.Length == 0)
+                    return;
+
+                for (int i = 0; i < guids.Length; i++)
+                {
+                    var path = AssetDatabase.GUIDToAssetPath(guids[i]);
+                    AssetDatabase.LoadAssetAtPath<MaterialVariantGroup>(path);
+                }
+            }
+
+            /************************************************************************************************************************/
+        }
+
+        /************************************************************************************************************************/
+    }
+}
+
+#endif
+