using UnityEngine;
using System.Collections;
using Spine;


public class AtlasRegionAttacher : MonoBehaviour
{

    [System.Serializable]
    public class SlotRegionPair
    {
        [SpineSlot]
        public string slot;

        [SpineAtlasRegion]
        public string region;
    }

    public AtlasAsset atlasAsset;
    public SlotRegionPair[] attachments;

    Atlas atlas;

    void Awake()
    {
        GetComponent<SkeletonRenderer>().OnReset += Apply;
    }


    void Apply(SkeletonRenderer skeletonRenderer)
    {
        atlas = atlasAsset.GetAtlas();

        AtlasAttachmentLoader loader = new AtlasAttachmentLoader(atlas);

        float scaleMultiplier = skeletonRenderer.skeletonDataAsset.scale;

        var enumerator = attachments.GetEnumerator();
        while (enumerator.MoveNext())
        {
            var entry = (SlotRegionPair)enumerator.Current;
            var regionAttachment = loader.NewRegionAttachment(null, entry.region, entry.region);
            regionAttachment.Width = regionAttachment.RegionOriginalWidth * scaleMultiplier;
            regionAttachment.Height = regionAttachment.RegionOriginalHeight * scaleMultiplier;

            regionAttachment.SetColor(new Color(1, 1, 1, 1));
            regionAttachment.UpdateOffset();

            var slot = skeletonRenderer.skeleton.FindSlot(entry.slot);
            slot.Attachment = regionAttachment;
        }
    }

}