// 本脚本只在不存在时会生成一次。组件逻辑写在当前脚本内。已存在不会再次生成覆盖 

using System;
using UnityEngine;
using FairyGUI;
using NBC;

namespace NBF
{
    public partial class ModelTexture : GComponent
    {
        ModelRenderImage _renderImage;
        private Vector2 _startPos;
        private Vector3 _startRot;
        private SwipeGesture _swipeGesture;

        public float ZoomValue = 5;
        public float MinZoom = 1;
        public float MaxZoom = 15;


        private void OnInited()
        {
            SetRotateListening();
        }

        /// <summary>
        /// 加载资产模型
        /// </summary>
        /// <param name="configId"></param>
        public void LoadAsset(int configId)
        {
            if (_renderImage == null)
            {
                _renderImage = new ModelRenderImage(ModelHolder.asGraph);
            }

            var model = _renderImage.LoadModel("Role/npc");
            _renderImage.modelRoot.localScale = Vector3.one;

            var previewableAsset = model.GetComponent<PreviewableAsset>();
            if (previewableAsset != null)
            {
                _renderImage.modelRoot.localPosition = new Vector3(0, 0, previewableAsset.zoom.zoom);
                _renderImage.modelRoot.localRotation = Quaternion.Euler(previewableAsset.rotation);
            }
            else
            {
                _renderImage.modelRoot.localPosition = new Vector3(0, 0, 3);
                _renderImage.modelRoot.localRotation = Quaternion.Euler(Vector3.zero);
            }
        }

        /// <summary>
        /// 加载角色模型
        /// </summary>
        public void LoadRole()
        {
        }

        private void SetRotateListening()
        {
            var dragObj = TouchHolder;
            var gesture1 = new SwipeGesture(dragObj);
            gesture1.onMove.Set(OnSwipeMove);
            gesture1.onEnd.Set(OnSwipeEnd);
        }


        private void OnSwipeMove(EventContext context)
        {
            var gesture = context.sender as SwipeGesture;
            if (gesture == null) return;
            var v = Vector3.zero;


            if (context.inputEvent.button == 0)
            {
                v.y = -gesture.delta.x * 0.2f;
                v.z = -gesture.delta.y * 0.2f;
                if (!gesture.snapping)
                {
                    v.y = 0;
                    v.z = 0;
                }

                if (Mathf.Abs(v.y) < 1) //消除手抖影响
                    v.y = 0;
                if (Mathf.Abs(v.z) < 1) //消除手抖影响
                    v.z = 0;
                _renderImage.StartRotate(v);
            }
            else
            {
                v.y = -gesture.delta.y * 0.005f;
                v.x = gesture.delta.x * 0.005f;
                //平移
                var pos = _renderImage.modelRoot.localPosition;
                _renderImage.modelRoot.localPosition = new Vector3(pos.x + v.x, pos.y + v.y, pos.z);
            }
        }

        private void OnSwipeEnd(EventContext context)
        {
            _renderImage.StopRotate();
        }
    }
}