152 lines
5.6 KiB
C#
152 lines
5.6 KiB
C#
using UnityEngine;
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using UnityEditor;
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public class ReplaceStandardShaderWithURP : Editor
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{
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[MenuItem("Tools/Replace Standard Shader with URP")]
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private static void ReplaceShadersInSelectedMaterials()
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{
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Material[] selectedMaterials = Selection.GetFiltered<Material>(SelectionMode.Assets);
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if (selectedMaterials.Length == 0)
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{
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Debug.LogWarning("No materials selected. Please select materials in the Project window.");
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return;
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}
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int replacedCount = 0;
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foreach (Material material in selectedMaterials)
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{
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if (material.shader.name == "Standard" || material.shader.name == "Standard (Specular setup)")
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{
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// 保存原有属性
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Texture albedoTexture = material.GetTexture("_MainTex");
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Color albedoColor = material.GetColor("_Color");
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Texture metallicMap = material.GetTexture("_MetallicGlossMap");
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float metallic = material.GetFloat("_Metallic");
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float smoothness = material.GetFloat("_Glossiness");
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Texture normalMap = material.GetTexture("_BumpMap");
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Texture emissionMap = material.GetTexture("_EmissionMap");
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Color emissionColor = material.GetColor("_EmissionColor");
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Texture occlusionMap = material.GetTexture("_OcclusionMap");
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// 替换Shader
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material.shader = Shader.Find("Universal Render Pipeline/Lit");
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// 转换Albedo到BaseMap
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if (albedoTexture != null)
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{
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material.SetTexture("_BaseMap", albedoTexture);
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// 确保纹理导入设置正确
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SetTextureImportSettings(albedoTexture);
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}
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material.SetColor("_BaseColor", albedoColor);
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// 转换金属度和平滑度
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if (metallicMap != null)
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{
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material.SetTexture("_MetallicGlossMap", metallicMap);
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SetTextureImportSettings(metallicMap);
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}
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else
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{
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material.SetFloat("_Metallic", metallic);
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}
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material.SetFloat("_Smoothness", smoothness);
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// 转换法线贴图
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if (normalMap != null)
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{
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material.SetTexture("_BumpMap", normalMap);
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SetTextureImportSettings(normalMap, true);
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material.SetFloat("_BumpScale", 1.0f); // URP默认使用1.0的比例
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}
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// 转换自发光
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if (emissionMap != null)
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{
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material.SetTexture("_EmissionMap", emissionMap);
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material.SetColor("_EmissionColor", emissionColor);
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material.EnableKeyword("_EMISSION");
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SetTextureImportSettings(emissionMap);
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}
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// 转换环境光遮蔽
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if (occlusionMap != null)
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{
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material.SetTexture("_OcclusionMap", occlusionMap);
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SetTextureImportSettings(occlusionMap);
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}
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EditorUtility.SetDirty(material);
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replacedCount++;
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}
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}
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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Debug.Log($"Replaced {replacedCount} materials with URP Lit shader.");
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}
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private static void SetTextureImportSettings(Texture texture, bool isNormalMap = false)
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{
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string path = AssetDatabase.GetAssetPath(texture);
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TextureImporter importer = AssetImporter.GetAtPath(path) as TextureImporter;
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if (importer != null)
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{
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importer.sRGBTexture = !isNormalMap; // 法线贴图应该禁用sRGB
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importer.textureType = isNormalMap ? TextureImporterType.NormalMap : TextureImporterType.Default;
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importer.mipmapEnabled = true;
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importer.SaveAndReimport();
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}
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}
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}
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// public class ReplaceStandardShaderWithURP : Editor
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// {
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// [MenuItem("Tools/Replace Standard Shader with URP")]
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// private static void ReplaceShadersInSelectedMaterials()
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// {
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// // 获取选中的材质文件
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// Material[] selectedMaterials = Selection.GetFiltered<Material>(SelectionMode.Assets);
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//
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// if (selectedMaterials.Length == 0)
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// {
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// Debug.LogWarning("No materials selected. Please select materials in the Project window.");
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// return;
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// }
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//
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// int replacedCount = 0;
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//
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// foreach (Material material in selectedMaterials)
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// {
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// if (material.shader.name == "Standard" || material.shader.name == "Standard (Specular setup)")
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// {
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// // 保存Albedo贴图
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// Texture albedoTexture = material.GetTexture("_MainTex");
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//
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// // 替换Shader为Universal Render Pipeline/Lit
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// material.shader = Shader.Find("Universal Render Pipeline/Lit");
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//
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// // 将保存的Albedo贴图赋值给Base Map
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// if (albedoTexture != null)
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// {
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// material.SetTexture("_BaseMap", albedoTexture);
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// }
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//
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// // 保存材质
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// EditorUtility.SetDirty(material);
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// replacedCount++;
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// }
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// }
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//
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// AssetDatabase.SaveAssets();
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// AssetDatabase.Refresh();
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//
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// Debug.Log($"Replaced {replacedCount} materials with URP Lit shader.");
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// }
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// } |