ZhenShiXunYouJi2/Assets/Scripts/SUISSEngine/GridTile.cs

using System;
using System.Threading;
using UnityEngine;

namespace SUISSEngine
{
    public class GridTile : MonoBehaviour
    {
        public enum Status
        {
            None,
            Preview,
            Moving,
            Created,
            Destroyed
        }

        public int gridSizeU;

        public int gridSizeV;

        public bool canMirror = true;

        public bool canHide = true;

        public Vector3 offset = Vector3.zero;

        public int requiredGridType = 3;

        [SelfReference]
        public SpriteRenderer spriteRenderer;

        [ChildReference(true)]
        public SpriteRenderer bottomRenderer;

        public int orderOffset;

        public bool fixedOrder;

        private Status _status;

        private GridSize _size;

        private bool _mirrored;

        private GridIndex _index;

        private bool _hidden;

        private Renderer _renderer;

        private Collider2D _collider2D;

        public Status status
        {
            get
            {
                return _status;
            }
            set
            {
                if (value != _status)
                {
                    Status status = _status;
                    _status = value;
                    SendMessage("OnGridTileStatusChanged", status, SendMessageOptions.DontRequireReceiver);
                }
            }
        }

        public GridSize size => _size;

        public GridSize currentSize
        {
            get
            {
                if (_mirrored)
                {
                    return new GridSize(_size.v, _size.u);
                }
                return _size;
            }
        }

        public bool mirrored
        {
            get
            {
                return _mirrored;
            }
            set
            {
                _mirrored = value;
            }
        }

        public GridIndex index
        {
            get
            {
                return _index;
            }
            set
            {
                _index = value;
            }
        }

        public bool hidden
        {
            get
            {
                return _hidden;
            }
            set
            {
                if (!canHide)
                {
                    value = false;
                }
                if (value != _hidden)
                {
                    _hidden = value;
                    if (_renderer != null)
                    {
                        _renderer.enabled = !_hidden;
                    }
                    if (_collider2D != null)
                    {
                        _collider2D.enabled = !_hidden;
                    }
                    SendMessage("OnGridTileHiddenChanged", SendMessageOptions.DontRequireReceiver);
                }
            }
        }

        public GridPoint middle
        {
            get
            {
                GridSize currentSize = this.currentSize;
                GridPoint result = default(GridPoint);
                result.u = (float)(_index.u + 1) - (float)currentSize.u * 0.5f;
                result.v = (float)(_index.v + 1) - (float)currentSize.v * 0.5f;
                return result;
            }
        }

        public IsometricGrid grid
        {
            get
            {
                IsometricGrid result = null;
                Transform transform = base.transform;
                while (transform != null && (result = transform.gameObject.GetComponent<IsometricGrid>()) == null)
                {
                    transform = transform.parent;
                }
                return result;
            }
        }

        public GridElement element
        {
            get
            {
                IsometricGrid grid = this.grid;
                if (grid == null)
                {
                    return null;
                }
                return grid[_index];
            }
        }

        public event Action<GridTile> DidUpdateTransformEvent;

        private void Awake()
        {
            _renderer = GetComponent<Renderer>();
            _collider2D = GetComponent<Collider2D>();
            if (gridSizeU <= 0 || gridSizeV <= 0)
            {
                throw new ArgumentException("A tile's grid sizes must be larger than 0.", (gridSizeU > 0) ? "gridSizeV" : "gridSizeU");
            }
            _status = Status.None;
            _size.u = gridSizeU;
            _size.v = gridSizeV;
            _mirrored = false;
            _index = GridIndex.invalid;
            _hidden = false;
        }

        public static int GetSortingOrder(GridIndex index, GridSize size)
        {
            return 4 * (index.u + index.v - size.u);
        }

        public void UpdateTransform()
        {
            IsometricGrid grid = this.grid;
            Vector3 localPosition = offset + (Vector3)grid[_index].Origin;
            localPosition.z = 0f;
            int num = ((!fixedOrder) ? GetSortingOrder(_index, _size) : 0) + orderOffset;
            spriteRenderer.sortingOrder = num + 1;
            if (bottomRenderer != null)
            {
                bottomRenderer.sortingOrder = 0;
            }
            Vector3 one = Vector3.one;
            if (_mirrored)
            {
                one.x = 0f - one.x;
            }
            base.transform.localPosition = localPosition;
            base.transform.localScale = one;
            if (this.DidUpdateTransformEvent != null)
            {
                this.DidUpdateTransformEvent(this);
            }
        }
    }
}