80 lines
3.9 KiB
C#
80 lines
3.9 KiB
C#
using UnityEditor;
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using UnityEngine;
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using UnityEngine.SceneManagement;
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namespace SK.Framework
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{
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/// <summary>
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/// 批量删除场景中的LOD Group组件
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/// 删除后只保留最高层次细节的物体
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/// </summary>
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public class DeleteLOD
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{
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[MenuItem("SKFramework/LOD/Delete")]
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public static void Execute()
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{
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//弹出进行删除操作的提醒窗口
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bool confirm = EditorUtility.DisplayDialog("提醒", "是否确定删除当前场景中所有的LOD Group组件，只保留最高层次的细节", "确定", "取消");
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//点击取消则return
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if (!confirm) return;
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//弹出窗口 询问是否执行Prefab Unpack操作
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bool unpackPrefab = EditorUtility.DisplayDialog("确认", "如果目标物体属于Prefab预制体，执行Prefab Unpack操作还是跳过它？", "Unpack", "Skip");
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//获取当前场景中的所有根物体
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GameObject[] rootObjs = SceneManager.GetActiveScene().GetRootGameObjects();
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//遍历所有根物体
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for (int i = 0; i < rootObjs.Length; i++)
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{
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GameObject rootObj = rootObjs[i];
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//在根物体及子物体身上查找所有LOD Group组件
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LODGroup[] groups = rootObj.GetComponentsInChildren<LODGroup>(true);
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//遍历所有LOD Group组件
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for (int j = 0; j < groups.Length; j++)
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{
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LODGroup group = groups[j];
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GameObject obj = group.gameObject;
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//获取LOD Group中的所有LOD结构
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LOD[] lods = group.GetLODs();
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if (lods.Length < 2) continue;
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//遍历LOD结构 索引从1开始 保留最高层次的细节
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for (int l = 1; l < lods.Length; l++)
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{
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LOD lod = lods[l];
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//遍历LOD中的Renderer组件
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for (int n = 0; n < lod.renderers.Length; n++)
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{
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Renderer renderer = lod.renderers[n];
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if (renderer == null) continue;
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//如果Renderer组件不为空 获取其挂载的物体
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GameObject target = renderer.gameObject;
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//物体不为空，进行销毁
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if (target != null)
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{
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//如果目标物体属于Prefab预制体
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if (PrefabUtility.IsPartOfAnyPrefab(target))
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{
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if (unpackPrefab)
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{
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//获取Prefab预制体根级
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var prefabRoot = PrefabUtility.GetOutermostPrefabInstanceRoot(target);
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//Prefab Unpack Completely
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PrefabUtility.UnpackPrefabInstance(prefabRoot, PrefabUnpackMode.Completely, InteractionMode.AutomatedAction);
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}
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else continue;
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}
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//弹出进度条
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EditorUtility.DisplayProgressBar("LOD deleting...", $"{rootObj.name}/{obj.name}/{target.name}", (i + 1) / rootObjs.Length);
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Object.DestroyImmediate(target);
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}
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}
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}
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Debug.Log($"删除{group.name}的LOD Group组件.");
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//销毁LOD Group组件
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Object.DestroyImmediate(group);
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EditorUtility.SetDirty(obj);
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}
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}
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//清除进度条
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EditorUtility.ClearProgressBar();
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}
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}
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} |