Farming mechanic

My question is based around my own personal 2D project. So in my game I wish to implement a way to till the land, plant, grow and harvest plants. My question comes with how would I make the normal ground(grass tile) change to tilled land tile. My theory was that I would make layers to the ground and whenever the player used the hoe it would then delete the tile on the layer. Is this the way to do this or is there a better way of implementing this idea. I have looked through the 2D Farming kit idea and the problem is that does not showcase what I am looking for.

 

@RKSrep

You could do what @MelvMay said - just set the tiles to new ones where something happens. It is visual change only, but it might be enough, as you can always check what tile you have at specific map cell. It would work for a Stardew Valley like game. You can also store additional data to some dictionary / list, if you need to store for example how much your plants / crops have grown.

https://docs.unity3d.com/ScriptReference/Tilemaps.Tilemap.SetTile.html
https://docs.unity3d.com/ScriptReference/Tilemaps.Tilemap.SetTiles.html

Code (CSharp):

1. if (Input.GetMouseButtonDown(0))
2. {
3.     // works with ortho camera
4.     var wpos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
5.  
6.     // get tile pos
7.     var tilePos = tilemap.WorldToCell(wpos);
8.  
9.     // Set new tile to location
10.     tilemap.SetTile(tilePos, myNewTile);
11. }

 

A few months ago I made a tile based crop growing project with that mechanic in mind, hopefully you can take something from that: https://github.com/sikozonpc/Tile-Based-Crop-Growing-Mechanics

 

What I recommend would be a secondary tilemap that sits on top of the ground tilemap, that way you do not need to have a perfect square tile sprite for tiling and the second reason if you need to check if the ground is tiled you just check if the tilemap has tile