♻️ Optimizations of the various system

🍱 Retexture of the enemy portal

Scripts/System/GridManager.cs

@@ -43,11 +43,29 @@ public partial class GridManager : Node
 
     public void FreeArea(Vector2I topLeft, Vector2I size, float rotation, GridLayer layer = GridLayer.Building)
     {
+        // Get all cells that should be occupied by this building
         var occupiedCells = GridUtils.GetOccupiedCells(topLeft, size, rotation);
-        foreach (var cell in occupiedCells)
+    
+        // Create a list to store cells that should be removed
+        var cellsToRemove = new List<Vector2I>();
+    
+        // First, find all cells that match this building's position and size
+        foreach (var cell in _layers[layer].Keys.ToList())
         {
-            if (_layers[layer].ContainsKey(cell))
-                _layers[layer].Remove(cell);
+            var (building, buildingSize, buildingRotation) = _layers[layer][cell];
+            var buildingCells = GridUtils.GetOccupiedCells(cell, buildingSize, buildingRotation);
+        
+            // If any of the building's cells match our target area, mark all of its cells for removal
+            if (buildingCells.Any(c => occupiedCells.Contains(c)))
+            {
+                cellsToRemove.AddRange(buildingCells);
+            }
+        }
+    
+        // Remove all marked cells
+        foreach (var cell in cellsToRemove.Distinct())
+        {
+            _layers[layer].Remove(cell);
         }
     }