chore: initial commit

Assets/Feel/MMTools/Accessories/MMTilemaps/MMTilemapBoolean.cs

@@ -0,0 +1,44 @@
+using UnityEngine;
+using UnityEngine.Tilemaps;
+
+namespace MoreMountains.Tools
+{
+	[AddComponentMenu("More Mountains/Tools/Tilemaps/MMTilemapBoolean")]
+	public class MMTilemapBoolean : MonoBehaviour
+	{
+		public Tilemap TilemapToClean;
+
+		[MMInspectorButton("BooleanClean")]
+		public bool BooleanCleanButton;
+
+		protected Tilemap _tilemap;
+
+		/// <summary>
+		/// This method will copy the reference tilemap into the one on this gameobject
+		/// </summary>
+		public virtual void BooleanClean()
+		{
+			if (TilemapToClean == null)
+			{
+				return;
+			}
+
+			_tilemap = this.gameObject.GetComponent<Tilemap>();
+
+			// we grab all filled positions from the ref tilemap
+			foreach (Vector3Int pos in _tilemap.cellBounds.allPositionsWithin)
+			{
+				Vector3Int localPlace = new Vector3Int(pos.x, pos.y, pos.z);
+				if (_tilemap.HasTile(localPlace))
+				{
+					if (TilemapToClean.HasTile(localPlace))
+					{
+						TilemapToClean.SetTile(localPlace, null);
+					}
+				}                
+			}
+			// we clear our tilemap and resize it
+			_tilemap.RefreshAllTiles();            
+		}
+	}
+}