UnityでTextureのAssetBundleを確認するWindow

BundleTextureWindow.cs

using UnityEngine;
using UnityEditor;
using System.Linq;
using System.Collections;

public class BundleTextureWindow : EditorWindow
{
	static EditorWindow window;
	Texture[] texs;
	Vector2 scroll;
	const int ButtonHeight = 50;

	[MenuItem("Custom/Bundle Texture")]
	public static void Open()
	{
		window = GetWindow<BundleTextureWindow>("Bundle Texture");
	}

	void OnGUI()
	{
		//AssetBundleを選択するダイアログを開く
		if(GUI.Button(new Rect(0, 0, window.position.size.x, ButtonHeight), "Open"))
		{
			//Bundleのパスを取得する
			var path = EditorUtility.OpenFilePanel("Select Bundle", Application.dataPath, "unity3d");
			if(path.Length != 0)
			{
				var bundle = AssetBundle.LoadFromFile(path);
				//AssetBundleからTextureをロード
				texs = bundle.LoadAllAssets<Texture>();
				bundle.Unload(false);
			}
		}
		//取得したAssetBundleからTextureがロード出来た場合に、Textureを表示する
		if(texs != null)
		{
			int h = 0;
			int hmax = 0;
			int vmax = 0;
			for(int i = 0; i < texs.Length; ++i)
			{
				hmax += texs[i].height;
				vmax = vmax < texs[i].width ? texs[i].width : vmax;
			}

			scroll = GUI.BeginScrollView(new Rect(0, ButtonHeight, window.position.size.x, window.position.size.y - ButtonHeight), scroll, new Rect(0, 0, vmax, hmax));

			for(int i = 0; i < texs.Length; ++i)
			{
				h += texs[i].height;
				GUI.DrawTexture(new Rect(0, i * h, texs[i].width, texs[i].height), texs[i]);
			}
			GUI.EndScrollView();
		}
	}
}