104 lines
3.1 KiB
C#
104 lines
3.1 KiB
C#
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using System.IO;
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using UnityEditor;
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using UnityEngine;
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using System.Collections;
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public class ModelMatTool : AssetPostprocessor
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{
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private static bool _needWaiting = false;
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/// <summary>
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/// 是否启用删除操作
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/// OnPostprocessModel回调在模型导入的时候就会调到，
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/// 通过这个标记位保证只在调用脚本函数的时候执行。
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/// </summary>
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private static bool _enableDelete = false;
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/// <summary>
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/// 批量删除模型上的材质
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/// </summary>
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public static IEnumerator DelModelMats(Object[] models)
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{
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foreach (Object obj in models)
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{
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while (_needWaiting) yield return null;
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DelModelMat(obj as GameObject);
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}
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}
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/// <summary>
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/// 删除模型上绑定的材质
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/// </summary>
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/// <param name="model">模型对象</param>
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public static void DelModelMat(GameObject model)
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{
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if (null == model) return;
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string assetPath = AssetDatabase.GetAssetPath(model);
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ModelImporter importer = AssetImporter.GetAtPath(assetPath) as ModelImporter;
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if (null == importer) return;
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_enableDelete = true;
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_needWaiting = true;
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AssetDatabase.ImportAsset(assetPath);
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}
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public static void DelModelMatByPath(string assetPath)
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{
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ModelImporter importer = AssetImporter.GetAtPath(assetPath) as ModelImporter;
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if (null == importer) return;
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_enableDelete = true;
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_needWaiting = true;
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AssetDatabase.ImportAsset(assetPath);
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}
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private void OnPostprocessModel(GameObject model)
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{
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if (null == model) return;
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if (!_enableDelete) return;
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_enableDelete = false;
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Renderer[] renders = model.GetComponentsInParent<Renderer>();
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if (null == renders) return;
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foreach (Renderer render in renders)
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{
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render.sharedMaterials = new Material[render.sharedMaterials.Length];
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}
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renders = model.GetComponentsInChildren<Renderer>();
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if (null == renders) return;
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foreach (Renderer render in renders)
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{
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render.sharedMaterials = new Material[render.sharedMaterials.Length];
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}
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_needWaiting = false;
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}
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[MenuItem("Tools/删除模型的默认材质")]
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static void DelSelectedModelMat()
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{
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/*
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Object[] objs = Selection.GetFiltered(typeof(Object), SelectionMode.DeepAssets);
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if ( objs != null)
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{
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DelModelMat(objs[0] as GameObject);
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return;
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}
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*/
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string[] m_folder = { "Assets" };
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var mesh_assets = AssetDatabase.FindAssets("t:mesh", m_folder);
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var i = 0;
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foreach(var meshGuid in mesh_assets)
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{
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var assetPath_ = AssetDatabase.GUIDToAssetPath(meshGuid);
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DelModelMatByPath(assetPath_);
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EditorUtility.DisplayProgressBar("重新导出assets", string.Format("更改Mesh的材质 {0}/{1}", i, mesh_assets.Length), (i * 1.0f) / mesh_assets.Length);
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i++;
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}
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EditorUtility.ClearProgressBar();
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}
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}
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