Populate tilemap-palette with custom TileBase class?

If you drag a sprite atlas onto the tilemap-palette Unity automatically generates the required tile-assets. However I'd like Unity to use my custom TileBase-inherited class for all tiles, so I can add a few useful properties like SurfaceType.

Is there anyway to tell Unity to use my custom tile class?

 

Yes, write your class (inherited from TileBase or Tile) and add to code of this class such lines:

Code (CSharp):

1. #if UNITY_EDITOR
2. // The following is a helper that adds a menu item to create a MyTile Asset
3.     [MenuItem("Assets/Create/MyTile")]
4.     public static void CreateMyTile()
5.     {
6.         string path = EditorUtility.SaveFilePanelInProject("Save My Tile", "New My Tile", "Asset", "Save My Tile", "Assets");
7.         if (path == "")
8.             return;
9.     AssetDatabase.CreateAsset(ScriptableObject.CreateInstance<MyTile>(), path);
10.     }
11. #endif

These lines will create new menu item (in Unity Editor) here: Assets->Create->MyTile. Click this and you will get your Tile.

See Unity example here: https://docs.unity3d.com/Manual/Tilemap-ScriptableTiles-Example.html
And you can use shorter alternative - CreateAssetMenuAttribute ( https://docs.unity3d.com/ScriptReference/CreateAssetMenuAttribute.html )

 

Is there a better solution for this? It seems cumbersome to have to create a new Tile object each time you want to add properties to a new sprite you want to make into a tile, as well as individually drag those new objects into the tile palette.

Let's say I create a WallTile that has a property that says this tile is impassable. Every time I have a new sprite that represents a wall I would have to create another WallTile scriptable object, add the sprite asset to it, then drag it into the correct tile palette.

Is there a way to customize the tile palette inspector to assign tile types to tiles already added to the palette?

 

I'm also looking for that. It would be very nice feature

 

Has this been improved in the 3 years since?

 

Thanks for your answer ChuanXin. Though this Override helps a LOT, it´s still a bit tedious process to make it this way.

Whenever i update my TileClass with the next feature which gets configured/setup at creationTime, i need to dump an recreate all Pallets. Is there an easy way to re-create them using the same sprites?

 

No, i´m talking about the same class, but while you develop your game, one might constantly working on that class, giving it new features and abilities. Some of them should/might be configured during creation time. For example i´ve a certain name convention for my hex-tile sprites, which then translates in a certain enum configuration. All of this is done during creation time, so i can check the tile-assets in the editor.

Code (CSharp):

1. [CreateTileFromPalette]
2.     public static TileBase CreateTileClass(Sprite sprite)
3.     {
4.         var tClass = ScriptableObject.CreateInstance<TileClass>();
5.         tClass.sprite = sprite;
6.         tClass.name = sprite.name;
7.         tClass.Setup(Vector3Int.zero);
8.         return tClass;
9.     }
10.    
11.     public void Setup(Vector3Int pos) {
12.         biome = TileUtils.GetBiomeForTileAsset(name);
13.         type = TileUtils.GetTypeForTileAsset(name);
14.         level = TileUtils.GetLevelForTileAsset(name);
15.         this.pos = pos;
16.     }

Later on i´m planing to setup even more details about that tile during creation time... for that case a "Recreate all tiles" button in the palette would be great

 

Hi, sorry to bump this up but this is the first search engine result and I found a solution that's somewhat janky but works rather well and takes like 5s to setup with no editor code.

You have your custom tile class, inherited from

TileBase

or

Tile

. Let's call it

FloraTile

because that's what I use.

Select the tile asset (that you created by dragging your sprite onto the tile palette).
Switch the inspector to Debug mode. Notice that by default the asset uses the

Tile

script.



Hotswap the

Tile

script of the asset with your custom script.



You're done.

Pros:
- You can still use the handy bulk-creation method of dragging your atlas onto the tile palette
- You can bulk edit the tiles to change the script

Cons: None so far,

GetTile<FloraTile>(position)

works fine by me and I can access my custom extra data.

Let me know if this works for you
Cheers
Leonard

 

I'm using 2023.1.0 and tiles have a 'GameObject to Instanciate' property which I assumed could be usedto link a GO to a tile TYPE. You can drag a prefab in there, but that means all instances of that tile will have the same properties and property values, not ideal.

the other method, overriding Tile will allow you to add a property or field, but it will have to be the same property and property value as well for every instance of that tile on the map.

Clicking on a custom tile when it's placed in the map does not show the extra property in the inspector

Associating data with map tiles is something we've had since the 1980's in map editors, it's shocking maps have been out for years now in Unity and still don't have this basic functionality.