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