using Spine;
using Spine.Unity;
using Spine.Unity.AttachmentTools;
using System.Collections;
using UnityEngine;

public class WpTest2 : MonoBehaviour
{
    #region Universal
    [Header("Universal")]
    public bool rePack = false;
    public TextureFormat txFormat = TextureFormat.RGBA32;
    public string skinName = "base";
    public string slotName = "gun";
    public string attachmentName = "gun";

    public Material matBase;
    public Sprite sprWeapon;

    private Texture2D tx2dRunAtlas;
    private Material matRunAtlas;
    private Skin skinCustom;
    private Skin skinRepack;
    #endregion Universal


    #region Skeleton Animation
    [Header("Skeleton Animation")]
    public bool useSkeletonAnimation = true;
    public SkeletonAnimation skAnim;
    private Skeleton skeletonAnim;
    private MeshRenderer mrendAnim;
    #endregion Skeleton Animation


    #region Skeleton Graphic
    [Header("Skeleton Graphic")]
    public bool useSkeletonGraphic = true;
    public SkeletonGraphic skGraphic;
    private Skeleton skeletonGraphic;
    #endregion Skeleton Graphic


    // Start is called before the first frame update
    private IEnumerator Start()
    {
        skeletonAnim = skAnim.Skeleton;
        mrendAnim = skAnim.GetComponent<MeshRenderer>();
        skeletonGraphic = skGraphic.Skeleton;
        yield return null;
        AtlasUtilities.ClearCache();
        Resources.UnloadUnusedAssets();

        yield return new WaitForSeconds(3f);
        StartCoroutine(ChangeWeapon());
    }

    private IEnumerator ChangeWeapon()
    {
        #region Universal
        skinCustom = skinCustom ?? new Skin("customskin");
        Skin skintemp = skeletonAnim.Data.FindSkin(skinName);

        int islotindexwp = skeletonAnim.Data.FindSlot(slotName).Index;
        Attachment atchtemp = skintemp.GetAttachment(islotindexwp, attachmentName);
        Attachment atchwp = atchtemp.GetRemappedClone(sprWeapon, matBase, pivotShiftsMeshUVCoords: false);
        if (atchwp != null)
            skinCustom.SetAttachment(islotindexwp, attachmentName, atchwp);

        if (rePack)
        {
            skinRepack = new Skin("repackskin");
            skinRepack.AddSkin(skeletonAnim.Data.DefaultSkin);
            skinRepack.AddSkin(skinCustom);

            if (matRunAtlas)
                Destroy(matRunAtlas);
            if (tx2dRunAtlas)
                Destroy(tx2dRunAtlas);
            skinRepack = skinRepack.GetRepackedSkin("repackskin", matBase, out matRunAtlas, out tx2dRunAtlas, textureFormat: txFormat);
        }
        yield return null;
        #endregion Universal


        #region Animation
        if (useSkeletonAnimation)
        {
            if (rePack)
                skeletonAnim.SetSkin(skinRepack);
            else
                skeletonAnim.SetSkin(skinCustom);

            skeletonAnim.SetSlotsToSetupPose();
            skAnim.Update(0f);
            yield return null;
        }
        #endregion Animation


        #region Graphic
        if (useSkeletonGraphic)
        {
            if (rePack)
                skeletonGraphic.SetSkin(skinRepack);
            else
                skeletonGraphic.SetSkin(skinCustom);

            //skeletonGraphic.SetSlotsToSetupPose();
            skeletonGraphic.SetToSetupPose();
            skGraphic.Update(0f);
            skGraphic.OverrideTexture = tx2dRunAtlas;
        }
        #endregion Graphic


        yield return null;
        AtlasUtilities.ClearCache();
        Resources.UnloadUnusedAssets();
    }

}