Unity editor window help finder for empty Meshfilter & MeshCollider

CheckEmptyMeshes.cs

using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;


public class CheckEmptyMesh : EditorWindow
{
	[MenuItem("Window/Check Empty Mesh")]
	private static void Init()
	{
		CheckEmptyMesh _window = GetWindow<CheckEmptyMesh>();
		
		_window.title = "Check Empty";
		_window.Show();
		
	}// Init()
	
	private static Transform root;
	
	private static MeshFilter[] emptyMeshes = new MeshFilter[]{};
	private static bool foldoutEmptyMeshes = false;
	private static Vector2 scrollEmptyMeshes = Vector2.zero;
	
	private static bool checkForCollider = false;
	
	private static MeshCollider[] emptyColliders = new MeshCollider[]{};
	private static bool foldoutEmptyCollider = false;
	private static Vector2 scrollEmptyCollider = Vector2.zero;
	
	
	private void OnGUI()
	{
		// pick root
		root = (Transform)EditorGUILayout.ObjectField("Root", root, typeof(Transform), true);
		
		// clear root
		if(GUILayout.Button("Clear")) root = null;
		
		// warning
		EditorGUILayout.HelpBox("If no root is picked, it will search the entire scene.", MessageType.Info);
		
		// mesh collider ?
		checkForCollider = EditorGUILayout	.Toggle("Mesh Collider",checkForCollider);
		
		// search ?
		if(GUILayout.Button("Search"))
		{
			FindEmptyMeshes(root);
			
			if(checkForCollider) FindEmptyCollider(root);
		}
		
		EditorGUILayout.Space();
		
		// show meshes
		if(emptyMeshes != null && emptyMeshes.Length > 0)
		{
			// foldout
			foldoutEmptyMeshes = EditorGUILayout.Foldout(foldoutEmptyMeshes, "Empty Meshes Filters");
			
			if(foldoutEmptyMeshes)
			{
				// scrollview
				scrollEmptyMeshes = EditorGUILayout.BeginScrollView(scrollEmptyMeshes);
				
				// indent
				EditorGUI.indentLevel++;
				
				for(int i = 0; i < emptyMeshes.Length; i++)
				{
					if(GUILayout.Button(emptyMeshes[i].name)) Selection.activeGameObject = emptyMeshes[i].gameObject;
					
				}//for()
				
				// end scrollview
				EditorGUILayout.EndScrollView();
			}
		}
		
		// show collider
		if(emptyColliders != null && emptyColliders.Length > 0)
		{
			// foldout
			foldoutEmptyCollider = EditorGUILayout.Foldout(foldoutEmptyCollider, "Empty Meshes Colliders");
			
			if(foldoutEmptyCollider)
			{
				// scrollview
				scrollEmptyCollider = EditorGUILayout.BeginScrollView(scrollEmptyCollider);
				
				EditorGUI.indentLevel++;
				
				for(int i = 0; i < emptyColliders.Length; i++)
				{
					if(GUILayout.Button(emptyColliders[i].name)) Selection.activeGameObject = emptyColliders[i].gameObject;
					
				}//for()
				
				// end scrollview
				EditorGUILayout.EndScrollView();
			}
		}
		
	}// OnGUI()
	
	
	private void FindEmptyMeshes(Transform root)
	{
		List<MeshFilter> lmf = new List<MeshFilter>();
		
		if(root)
		{
			emptyMeshes = root.GetComponentsInChildren<MeshFilter>(true);
		}
		else
		{
			emptyMeshes = GameObject.FindObjectsOfType<MeshFilter>();
		}
		
		lmf = new List<MeshFilter>(emptyMeshes.Length);
		
		for(int i = 0; i < emptyMeshes.Length; i++)
		{
			if(emptyMeshes[i].sharedMesh == null) lmf.Add(emptyMeshes[i]);
			
		}// for()
		
		emptyMeshes = lmf.ToArray();
		
	}// FindEmptyMeshes()
	
	
	private void FindEmptyCollider(Transform root)
	{
		List<MeshCollider> lmc = new List<MeshCollider>();
		
		if(root)
		{
			emptyColliders = root.GetComponentsInChildren<MeshCollider>(true);
		}
		else
		{
			emptyColliders = GameObject.FindObjectsOfType<MeshCollider>();
		}
		
		lmc = new List<MeshCollider>(emptyColliders.Length);
		
		for(int i = 0; i < emptyColliders.Length; i++)
		{
			if(emptyColliders[i].sharedMesh == null) lmc.Add(emptyColliders[i]);
			
		}// for()
		
		emptyColliders = lmc.ToArray();
		
	}// FindEmptyCollider()
	
	
}// CheckEmptyMesh : EditorWindow