// using System;
// using System.Collections;
// using System.Collections.Generic;
// using UnityEditor;
// using UnityEditor.SceneManagement;
// using UnityEngine;
// using UnityEngine.UIElements;
//
// public class MapBuildPlacer : MonoBehaviour
// {
//     [HideInInspector] public GameObject startPositionObject; // 坐标起始点
//     [HideInInspector] public float cellSize = 2; // 单元格大小
//     [HideInInspector] public Camera mainCamera;
//     [HideInInspector] public MapListener mapListener;
//
//     private Collider2D hit_oldest;
//     private Color sprite_render_color;
//     private readonly Color sprite_render_unable_color = new Color32(166, 73, 73, 255);
//     private SpriteRenderer sprite_render_children;
//     private MapBuildableCell snap_grid; // 吸附的格子
//     private bool is_trigger_with_has_build = false;
//     private bool isSnap = false;
//     private GameObject render_container;
//     private Vector2Int snap_grid_position_for_SO = Vector2Int.zero; // SO的坐标数据 , 不是世界坐标
//     private Transform UIContainer;
//     private LayerMask buildable_layer;
//     private MapPlacerItem map_placer_item;
//
//     private void Awake()
//     {
//         gameObject.AddComponent<Rigidbody2D>().isKinematic = true;
//         map_placer_item = gameObject.GetComponent<MapPlacerItem>();
//     }
//
//     private void Start()
//     {
//         render_container = transform.Find("RenderContainer").gameObject;
//         sprite_render_children = transform.Find("RenderContainer/RoomSpriteRender").GetComponent<SpriteRenderer>();
//         UIContainer = transform.Find("RenderContainer/UI");
//         sprite_render_color = sprite_render_children.color;
//         foreach (Transform ui_child in UIContainer.transform)
//         {
//             ui_child.GetComponent<SpriteRenderer>().color = Color.green;
//         }
//
//         buildable_layer = 1 << LayerMask.NameToLayer("BuildableCell");
//     }
//
//     private void Update()
//     {
//         // render_container.SetActive(); // 设置吸附状态的响应
//         self_move_with_mouse_with_ray();
//     }
//
//     // private void self__trigger_with_already_build(MapBuildableCell snap_grid)
//     // {
//     //     switch (buildRoomType)
//     //     {
//     //         case HomeMapSO.RoomType.CageRoom:
//     //             Vector2Int snap_position_ = _self_get_snap_position();
//     //             // is_trigger_with_has_build =
//     //             // mapListener.m_send_SOMap_get_placeholder_area_has_room(snap_position_, buildRoomType);
//     //             break;
//     //         default:
//     //             break;
//     //     }
//     //
//     //     Vector2Int _self_get_snap_position() => snap_grid.m_recv_get_grid_position_with_vector2();
//     // }
//
//     // 跟随鼠标移动使用射线检测
//     private void self_move_with_mouse_with_ray()
//     {
//         Vector3 mouse_world_position = mainCamera.ScreenToWorldPoint(Input.mousePosition);
//         mouse_world_position.z = 0;
//         RaycastHit2D hit = Physics2D.Raycast(
//             origin: mouse_world_position,
//             direction: Vector2.zero,
//             distance: 0.1f,
//             layerMask: buildable_layer);
//         if (hit.collider) // 射线检测到格子, 吸附到格子坐标
//         {
//             if (hit.collider != hit_oldest) // 射线检测到的格子发生变化
//             {
//                 snap_grid = hit.collider.GetComponent<MapBuildableCell>();
//                 hit_oldest = hit.collider;
//             }
//
//             mm_self_gameobject_snap_move();
//         }
//         else
//         {
//             mm_self_gameobject_free_move();
//         }
//
//         return;
//
//         void mm_self_gameobject_snap_move() // 射线检测到格子, 吸附到格子坐标
//         {
//             Vector3 snap_grid_position = startPositionObject.transform.position +
//                                          snap_grid.m_recv_get_grid_position_with_vector3() * cellSize;
//             transform.position = snap_grid_position;
//             isSnap = true;
//             snap_grid_position_for_SO = snap_grid.m_recv_get_grid_position_with_vector2();
//             is_trigger_with_has_build = mapListener.m_send_SOMap_trigger_placeholder_area_has_room(
//                 snap_grid_position_for_SO, map_placer_item
//             );
//             sprite_render_children.color = is_trigger_with_has_build ? sprite_render_unable_color : sprite_render_color; // 更改SR颜色 
//         }
//
//         void mm_self_gameobject_free_move() // 射线没有检测到格子, 自由移动
//         {
//             sprite_render_children.color = sprite_render_unable_color; // 更改sr为不可建造的颜色
//             transform.position = mouse_world_position;
//             isSnap = false;
//             is_trigger_with_has_build = true;
//             snap_grid_position_for_SO = Vector2Int.zero;
//         }
//     }
//
//     public Vector2Int m_recv_placer_get_snap_grid_position_for_SO() => snap_grid_position_for_SO;
//
//     public bool m_recv_placer_is_snap_to_grid() => isSnap;
//
//     public bool m_recv_is_trigger_with_has_build() => is_trigger_with_has_build;
//
//     // private void self_on_trigger_event(Collider2D other, bool status)
//     // {
//     //     // 检测是否与某个图层的碰撞器相交
//     //     if (other.gameObject.layer == LayerMask.NameToLayer("AlreadyBuild"))
//     //     {
//     //         is_trigger_with_has_build = status;
//     //     }
//     // }
//
//
//     // private void OnTriggerStay2D(Collider2D other)
//     // {
//     //     self_on_trigger_event(other, true);
//     // }
//     //
//     // private void OnTriggerExit2D(Collider2D other)
//     // {
//     //     self_on_trigger_event(other, false);
//     // }
// }