Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Utilities/AnimatedPropertyUtility.cs

@@ -0,0 +1,73 @@
+using System;
+using UnityEngine;
+
+namespace UnityEditor.Timeline
+{
+    // Helper methods for animated properties
+    internal static class AnimatedPropertyUtility
+    {
+        public static bool IsMaterialProperty(string propertyName)
+        {
+            return propertyName.StartsWith("material.");
+        }
+
+        /// <summary>
+        /// Given a propertyName (from an EditorCurveBinding), and the gameObject it refers to,
+        /// remaps the path to include the exposed name of the shader parameter
+        /// </summary>
+        /// <param name="gameObject">The gameObject being referenced.</param>
+        /// <param name="propertyName">The propertyName to remap.</param>
+        /// <returns>The remapped propertyName, or the original propertyName if it cannot be remapped</returns>
+        public static string RemapMaterialName(GameObject gameObject, string propertyName)
+        {
+            if (!IsMaterialProperty(propertyName) || gameObject == null)
+                return propertyName;
+
+            var renderers = gameObject.GetComponents<Renderer>();
+            if (renderers == null || renderers.Length == 0)
+                return propertyName;
+
+            var propertySplits = propertyName.Split('.');
+            if (propertySplits.Length <= 1)
+                return propertyName;
+
+            // handles post fixes for texture properties
+            var exposedParameter = HandleTextureProperties(propertySplits[1], out var postFix);
+            foreach (var renderer in renderers)
+            {
+                foreach (var material in renderer.sharedMaterials)
+                {
+                    if (material.shader == null)
+                        continue;
+
+                    var index = material.shader.FindPropertyIndex(exposedParameter);
+                    if (index >= 0)
+                    {
+                        propertySplits[1] = material.shader.GetPropertyDescription(index) + postFix;
+                        return String.Join(".", propertySplits);
+                    }
+                }
+            }
+
+            return propertyName;
+        }
+
+        private static string HandleTextureProperties(string exposedParameter, out string postFix)
+        {
+            postFix = String.Empty;
+            RemoveEnding(ref exposedParameter, ref postFix, "_ST");
+            RemoveEnding(ref exposedParameter, ref postFix, "_TexelSize");
+            RemoveEnding(ref exposedParameter, ref postFix, "_HDR");
+            return exposedParameter;
+        }
+
+        private static void RemoveEnding(ref string name, ref string postFix, string ending)
+        {
+            if (name.EndsWith(ending))
+            {
+                name = name.Substring(0, name.Length - ending.Length);
+                postFix = ending;
+            }
+        }
+    }
+}