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

public static class CreateSpriteAsset
{
    [MenuItem("Assets/Create/UGUI Sprite Asset",false,10)]
    static void main()
    {
        Object target = Selection.activeObject;
        if (target == null || target.GetType() != typeof(Texture2D))
            return;

        Texture2D sourceTex = target as Texture2D;
        //整体路径
        string filePathWithName = AssetDatabase.GetAssetPath(sourceTex);
        //带后缀的文件名
        string fileNameWithExtension = Path.GetFileName(filePathWithName);
        //不带后缀的文件名
        string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(filePathWithName);
        //不带文件名的路径
        string filePath = "Assets/LuaFramework/Resources/asset/";//filePathWithName.Replace(fileNameWithExtension, "");
        //LogManager.LogWarning(filePath);
        string newFilePath = filePath + fileNameWithoutExtension + ".asset";
        if (File.Exists(newFilePath)) File.Delete(newFilePath);
        SpriteAsset spriteAsset;
       // SpriteAsset spriteAsset = AssetDatabase.LoadAssetAtPath(filePath + fileNameWithoutExtension + ".asset", typeof(SpriteAsset)) as SpriteAsset;
       // bool isNewAsset = spriteAsset == null ? true : false;
        //if (isNewAsset)
        //{
            spriteAsset = ScriptableObject.CreateInstance<SpriteAsset>();
            spriteAsset.texSource = sourceTex;
            spriteAsset.listSpriteInfor = GetSpritesInfor(sourceTex);
            AssetDatabase.CreateAsset(spriteAsset, newFilePath);
       // }
    }
    public static List<SpriteInfor> GetSpritesInfor(Texture2D tex)
    {
        List<SpriteInfor> m_sprites = new List<SpriteInfor>();

        string filePath = UnityEditor.AssetDatabase.GetAssetPath(tex);

        Object[] objects = UnityEditor.AssetDatabase.LoadAllAssetsAtPath(filePath);

        for (int i = 0; i < objects.Length; i++)
        {
            if (objects[i].GetType() == typeof(Sprite))
            {
                SpriteInfor temp = new SpriteInfor();
                Sprite sprite = objects[i] as Sprite;
                temp.ID = i;
                temp.name = sprite.name;
                temp.pivot = sprite.pivot;
                temp.rect = sprite.rect;
                temp.sprite = sprite;
                m_sprites.Add(temp);
            }
        }
        return m_sprites;
    }
}