gather-and-defend/Assets/Scripts/LevelManager/LevelTile.cs

using System.Collections;
using System.Collections.Generic;
using Unity.Plastic.Newtonsoft.Json.Linq;
using UnityEngine;
using UnityEngine.Tilemaps;
using static Extensions;
/// <summary>
/// can be inherited by tiles in order to be added to the level manager
/// </summary>
public abstract class LevelTile : TileBase, ILevelObject
{
    [SerializeField]
    private Sprite _sprite;
    [LevelSerialize]
    public Vector3 Position { get; protected set; }

    [LevelSerialize]
    public string Tilemap { get; protected set; }
    [LevelSerialize]
    public string Name => name;

    public virtual void LevelStart() { }
    public virtual void LevelDestroy() { }
    public virtual void LevelUpdate() { }
    public virtual bool Equals(ILevelObject other)
    {
        if (!other.GetType().Equals(GetType())) return false;

        var otherTile = other as LevelTile;

        return Name == otherTile.Name
            && Position == otherTile.Position
            && Tilemap == otherTile.Tilemap;
    }
    public override bool StartUp(Vector3Int position, ITilemap tilemap, GameObject go)
    {
        //only execute if application is in play mode
        if (!Application.isPlaying)
        {
            return base.StartUp(position, tilemap, go);
        }

        var comp = tilemap.GetComponent<Tilemap>();

        //need to create an instance of the tile, otherwise the position will change for all tiles instead of only this one.
        var instance = Instantiate(this);
        instance.name = name;
        instance.Position = position;
        instance.Tilemap = comp.name;

        //if tile already exists, dont add to level manager
        if (LevelManager.Instance.Has<LevelTile>(tile => tile.Equals(instance)))
        {
            return base.StartUp(position, tilemap, go);
        }

        LevelManager.Instance.Add(instance);
        return base.StartUp(position, tilemap, go);
    }
    public override void GetTileData(Vector3Int position, ITilemap tilemap, ref TileData tileData)
    {
        tileData.sprite = _sprite;
        tileData.transform.SetTRS(Vector3.zero, Quaternion.identity, Vector3.one);
        tileData.color = Color.white;
    }

    public abstract Dictionary<string, object> ToDictionary();
}