/*           INFINITY CODE           */
/*     https://infinity-code.com     */

using InfinityCode.uPano.Renderers.Base;
using UnityEngine;

namespace HutongGames.PlayMaker.Actions.uPano
{
    [ActionCategory(uPanoCategories.PANORAMA)]
    [Tooltip("Get Panorama Pan and Tilt By Screen Position")]
    public class GetPanTiltByScreenPosition : FsmPanoStateAction
    {
        [RequiredField]
        public FsmObject panorama;

        [RequiredField]
        public FsmVector2 screenPosition;

        [UIHint(UIHint.Variable)]
        public FsmFloat storePan;

        [UIHint(UIHint.Variable)]
        public FsmFloat storeTilt;

        public override void Reset()
        {
            panorama = null;
            storePan = null;
            storeTilt = null;
            screenPosition = null;
        }

        public override void OnEnter()
        {
            DoEnter();
            Finish();
        }

        private void DoEnter()
        {
            if (panorama.IsNone)
            {
                Debug.LogError("Requires reference to the panorama");
                return;
            }

            PanoRenderer panoRenderer = GetPanoRenderer(panorama);

            if (panoRenderer == null)
            {
                Debug.LogError("Panorama field should contain a reference to Panorama or Panorama Renderer");
                return;
            }

            float pan, tilt;
            panoRenderer.GetPanTiltByScreenPosition(screenPosition.Value, out pan, out tilt);

            if (!storePan.IsNone) storePan.Value = pan;
            if (!storeTilt.IsNone) storeTilt.Value = tilt;
        }
    }
}