using UnityEngine;

namespace Thousandto.Launcher.ExternalLibs
{
    /// <summary>
    /// 不透明物体的Bloom处理脚本
    /// </summary>
    [RequireComponent(typeof(Camera))]
    public class OpaqueBloomScript : MonoBehaviour
    {
        [Range(1,10)]
        public float Offset = 2f;
        [Range(0,10)]
        public float Strength =  2f;
        [Range(0,2)]
        public float Threshold = 0.9f;
        [Range(0,2)]
        public float Knee = 0.5f;

        private OpaqueBloom _logic;
        //是否激活
        public bool _isActive = true;

        private void Awake()
        {
            if (_logic == null)
            {
                _logic = new OpaqueBloom();
                _logic.Enabled = _isActive;
            }
        }

        private void Start()
        {
            OnPostEffectInit();
        }
        private void OnEnable()
        {
            if (_logic != null)
            {
                _logic.BindCamera(GetComponent<Camera>());
                _logic.RefreshMat();
            }
        }

        private void OnDisable()
        {
            if (_logic != null)
            {
                _logic.BindCamera(null);
            }
        }

        private void OnDestroy()
        {
            if (_logic != null)
            {
                _logic.UnInitialize();
                _logic = null;
            }
        }

        private void OnValidate()
        {
            if (_logic != null)
            {
                _logic.SetOffsetAndStrength(new Vector2(Offset, Offset), Strength);
                _logic.SeThreshold(Threshold, Knee);
            }
        }

        private void OnPostEffectInit()
        {   
            //如果没有初始化完毕,就直接初始化
            if (_logic != null)
            {
                
                _logic.Enabled = _isActive;
                _logic.Initialize();
                _logic.SetOffsetAndStrength(new Vector2(Offset, Offset), Strength);
                _logic.SeThreshold(Threshold, Knee);
                _logic.BindCamera(GetComponent<Camera>());
                Debug.Log("后处理初始化处理完毕,IsInited:"+_logic.IsInited);
            }
        }

        private void OnPostEffectActive(int val)
        {
            var tmp = val > 0;

          
            //根据激活状态来处理
            if (_isActive != tmp)
            {
                _isActive = tmp;
                if (_logic != null)
                {
                    _logic.Enabled = _isActive;
                    _logic.BindCamera(_isActive ? GetComponent<Camera>() : null);
                    _logic.RefreshMat();

                }
            }
        }
    }
}