♻️ Better miner tile

Scripts/Tiles/MinerTile.cs

@@ -6,7 +6,7 @@ namespace AceFieldNewHorizon.Scripts.Tiles;
 public partial class MinerTile : BaseTile
 {
     [Export] public PackedScene ItemPickup { get; set; }
-    [Export] public string ItemToMine { get; set; } = "OreIron";
+    [Export] public string ItemToMine { get; set; }
     [Export] public int MiningRate = 1; // Items per second
 
     private Vector2I _gridPosition;
@@ -16,10 +16,29 @@ public partial class MinerTile : BaseTile
     {
         base._Ready();
         _gridPosition = GridUtils.WorldToGrid(Position);
+
+        var ground = Grid.GetTileAtCell(_gridPosition, GridLayer.Ground) as BaseTile;
+        if (ground == null)
+        {
+            GD.Print($"[Miner] Miner {GetInstanceId()} not found available resource...");
+            return;
+        }
+
+        ItemToMine = (ground.TileId) switch
+        {
+            "stone" => "stone",
+            "ore_iron" => "ore_iron",
+            _ => null
+        };
+        if (ItemToMine == null)
+            GD.Print($"[Miner] Miner {GetInstanceId()} not found available resource...");
     }
 
     public override void _Process(double delta)
     {
+        if (ItemToMine == null)
+            return;
+        
         // Don't mine if building is not completed
         if (!IsConstructed || ItemPickup == null)
             return;