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

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

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

        [RequiredField]
        public FsmFloat pan;

        [RequiredField]
        public FsmFloat tilt;

        public FsmObject camera;

        [UIHint(UIHint.Variable)]
        public FsmVector2 storeScreenPosition;

        public override void Reset()
        {
            panorama = null;
            pan = null;
            tilt = null;
            storeScreenPosition = 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;
            }

            Camera cam = !camera.IsNone? camera.Value as Camera: null;

            storeScreenPosition.Value = panoRenderer.GetScreenPosition(pan.Value, tilt.Value, cam);
        }
    }
}